linux/fs/exec.c
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2 21"/a>"spa" class="comment">/*"/spa"v32 22"/a>"spa" class="comment"> *  linux/fs/exec.c"/spa"v32 23"/a>"spa" class="comment"> *"/spa"v32 24"/a>"spa" class="comment"> *  Copyright (C) 1991, 1992  Linus Tor v3ds"/spa"v32 25"/a>"spa" class="comment"> */"/spa"v32 26"/a>o2 27"/a>"spa" class="comment">/*"/spa"v32 28"/a>"spa" class="comment"> * #!-checking implemented by tytso."/spa"v32 29"/a>"spa" class="comment"> */"/spa"v32 on va>"spa" class="comment">/*"/spa"v32 11"/a>"spa" class="comment"> * Demand-loading implemented 01non.91 - no need to read anything but"/spa"v32 12"/a>"spa" class="comment"> * the header into memory. The inode of the executable is put into"/spa"v32 13"/a>"spa" class="comment"> * "current->executable", and page faults do the acuual loading. Clean."/spa"v32 14"/a>"spa" class="comment"> *"/spa"v32 15"/a>"spa" class="comment"> * Once more I ca" proudly say that linux stood up to being changed: it"/spa"v32 16"/a>"spa" class="comment"> * was less than 2 hours work to get demand-loading completely implemented."/spa"v32 17"/a>"spa" class="comment"> *"/spa"v32 18"/a>"spa" class="comment"> * Demand loading changed July 1993 by Eric Youngdale.2 2Use mmap instead,"/spa"v32 19"/a>"spa" class="comment"> * current->executable is only used by the procfs.2 This allows a dispatch2 2n va>"spa" class="comment"> * table to check for several different typ4s  of binary formats.2 We keep2 21"/a>"spa" class="comment"> * trying until we recognize the file or we run out of supported binary2 22"/a>"spa" class="comment"> * formats.22 23"/a>"spa" class="comment"> */"/spa"v32 24"/a>o2 25"/a>#include <linux/slab.h"/a>>o2 26"/a>#include <linux/file.h"/a>>o2 27"/a>#include <linux/fdtable.h"/a>>o2 28"/a>#include <linux/mm.h"/a>>o2 29"/a>#include <linux/stat.h"/a>>o2 30"/a>#include <linux/fcntl.h"/a>>o2 31"/a>#include <linux/swap.h"/a>>o2 32"/a>#include <linux/string.h"/a>>o2 33"/a>#include <linux/init.h"/a>>o2 34"/a>#include <linux/pagemap.h"/a>>o2 35"/a>#include <linux/perf_event.h"/a>>o2 36"/a>#include <linux/highmem.h"/a>>o2 37"/a>#include <linux/spinlock.h"/a>>o2 38"/a>#include <linux/key.h"/a>>o2 39"/a>#include <linux/personality.h"/a>>o2 40"/a>#include <linux/binfmts.h"/a>>o2 41"/a>#include <linux/utsnam4.h"/a>>o2 42"/a>#include <linux/pid_nam4spac4.h"/a>>o2 43"/a>#include <linux/module.h"/a>>o2 44"/a>#include <linux/nam4i.h"/a>>o2 45"/a>#include <linux/mount.h"/a>>o2 46"/a>#include <linux/security.h"/a>>o2 47"/a>#include <linux/syscalls.h"/a>>o2 48"/a>#include <linux/tsacct_kern.h"/a>>o2 49"/a>#include <linux/cn_proc.h"/a>>o2 50"/a>#include <linux/audit.h"/a>>o2 51"/a>#include <linux/trac4hook.h"/a>>o2 52"/a>#include <linux/kmod.h"/a>>o2 53"/a>#include <linux/fsnotify.h"/a>>o2 54"/a>#include <linux/fs_struct.h"/a>>o2 55"/a>#include <linux/pipe_fs_i.h"/a>>o2 56"/a>#include <linux/oom.h"/a>>o2 57"/a>#include <linux/compat.h"/a>>o2 58"/a>o2 59"/a>#include <asm/uaccess.h"/a>>o2 60"/a>#include <asm/mmu_context.h"/a>>o2 61"/a>#include <asm/tlb.h"/a>>o2 62"/a>#include <asm/exec.h"/a>>o2 63"/a>o2 64"/a>#include <trac4/events/task.h"/a>>o2 65"/a>#include "internal.h"/a>"o2 66"/a>o2 67"/a>#include <trac4/events/sched.h"/a>>o2 68"/a>o2 69"/a>int2"a href="+code=core_uses_pid" class="sref">core_uses_pid"/a>;o2 70"/a>char2"a href="+code=core_pattern" class="sref">core_pattern"/a>["a href="+code=CORENAME_MAX_SIZE" class="sref">CORENAME_MAX_SIZE"/a>] = "spa" class="string">"core"2 71"/a>unsigned int2"a href="+code=core_pipe_limit" class="sref">core_pipe_limit"/a>;o2 72"/a>int2"a href="+code=suid_dumpable" class="sref">suid_dumpable"/a> = 0;o2 73"/a>o2 74"/a>struct2"a href="+code=core_nam4" class="sref">core_nam4"/a> {o2 75"/a>        char2*"a href="+code=corenam4" class="sref">corenam4"/a>;o2 76"/a>        int2"a href="+code=used" class="sref">used"/a>,2"a href="+code=size" class="sref">size"/a>;o2 77"/a>};o2 78"/a>static2"a href="+code=atomic_t" class="sref">atomic_t"/a> "a href="+code=call_count" class="sref">call_count"/a> = "a href="+code=ATOMIC_INIT" class="sref">ATOMIC_INIT"/a>(1);o2 79"/a>o2 8n va>"spa" class="comment">/* The maximal length of core_pattern is also specified in sysctl.c */"/spa"v32 81"/a>o2 82"/a>static2"a href="+code=LIST_HEAD" class="sref">LIST_HEAD"/a>("a href="+code=formats" class="sref">formats"/a>);o2 83"/a>static2"a href="+code=DEFINE_RWLOCK" class="sref">DEFINE_RWLOCK"/a>("a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2 84"/a>o2 85"/a>void2"a href="+code=__register_binfmt" class="sref">__register_binfmt"/a>(struct2"a href="+code=linux_binfmt" class="sref">linux_binfmt"/a> *2"a href="+code=fmt" class="sref">fmt"/a>, int2"a href="+code=insert" class="sref">insert"/a>)o2 86"/a>{o2 87"/a>        "a href="+code=BUG_ON" class="sref">BUG_ON"/a>(!"a href="+code=fmt" class="sref">fmt"/a>);o2 88"/a>        "a href="+code=write_lock" class="sref">write_lock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2 89"/a>        "a href="+code=insert" class="sref">insert"/a> ?2"a href="+code=list_add" class="sref">list_add"/a>(&"a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=lh" class="sref">lh"/a>, &"a href="+code=formats" class="sref">formats"/a>) :32 90"/a>                 "a href="+code=list_add_tail" class="sref">list_add_tail"/a>(&"a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=lh" class="sref">lh"/a>, &"a href="+code=formats" class="sref">formats"/a>);o2 91"/a>        "a href="+code=write_unlock" class="sref">write_unlock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2 92"/a>}o2 93"/a>o2 94"/a>"a href="+code=EXPORT_SYMBOL" class="sref">EXPORT_SYMBOL"/a>("a href="+code=__register_binfmt" class="sref">__register_binfmt"/a>);o2 95"/a>o2 96"/a>void2"a href="+code=unregister_binfmt" class="sref">unregister_binfmt"/a>(struct2"a href="+code=linux_binfmt" class="sref">linux_binfmt"/a> *2"a href="+code=fmt" class="sref">fmt"/a>)o2 97"/a>{o2 98"/a>        "a href="+code=write_lock" class="sref">write_lock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2 99"/a>        "a href="+code=list_del" class="sref">list_del"/a>(&"a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=lh" class="sref">lh"/a>);o2100"/a>        "a href="+code=write_unlock" class="sref">write_unlock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2101"/a>}o2102"/a>o2103"/a>"a href="+code=EXPORT_SYMBOL" class="sref">EXPORT_SYMBOL"/a>("a href="+code=unregister_binfmt" class="sref">unregister_binfmt"/a>);o2104"/a>o2105"/a>static2"a href="+code=inline" class="sref">inline"/a> void2"a href="+code=put_binfmt" class="sref">put_binfmt"/a>(struct2"a href="+code=linux_binfmt" class="sref">linux_binfmt"/a> *2"a href="+code=fmt" class="sref">fmt"/a>)o2106"/a>{o2107"/a>        "a href="+code=module_put" class="sref">module_put"/a>("a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=module" class="sref">module"/a>);o2108"/a>}o2109"/a>o21on va>"spa" class="comment">/*"/spa"v32111"/a>"spa" class="comment"> * Note that a shared library must be both readable and executable due to"/spa"v32112"/a>"spa" class="comment"> * security reasons."/spa"v32113"/a>"spa" class="comment"> *"/spa"v32114"/a>"spa" class="comment"> * Also note that we take the address to load from from the file itself."/spa"v32115"/a>"spa" class="comment"> */"/spa"v32116"/a>"a href="+code=SYSCALL_DEFINE1" class="sref">SYSCALL_DEFINE1"/a>("a href="+code=uselib" class="sref">uselib"/a>, const char2"a href="+code=__user" class="sref">__user"/a> *,2"a href="+code=library" class="sref">library"/a>)o2117"/a>{o2118"/a>        struct2"a href="+code=file" class="sref">file"/a> *"a href="+code=file" class="sref">file"/a>;o2119"/a>        char2*"a href="+code=tmp" class="sref">tmp"/a> = "a href="+code=getnam4" class="sref">getnam4"/a>("a href="+code=library" class="sref">library"/a>);o2120"/a>        int2"a href="+code=error" class="sref">error"/a> = "a href="+code=PTR_ERR" class="sref">PTR_ERR"/a>("a href="+code=tmp" class="sref">tmp"/a>);o2121"/a>        static2const struct2"a href="+code=open_flags" class="sref">open_flags"/a> "a href="+code=uselib_flags" class="sref">uselib_flags"/a> = {o2122"/a>                ."a href="+code=open_flag" class="sref">open_flag"/a> = "a href="+code=O_LARGEFILE" class="sref">O_LARGEFILE"/a> | "a href="+code=O_RDONLY" class="sref">O_RDONLY"/a> | "a href="+code=__FMODE_EXEC" class="sref">__FMODE_EXEC"/a>,o2123"/a>                ."a href="+code=acc_mod4" class="sref">acc_mod4"/a> = "a href="+code=MAY_READ" class="sref">MAY_READ"/a> | "a href="+code=MAY_EXEC" class="sref">MAY_EXEC"/a> | "a href="+code=MAY_OPEN" class="sref">MAY_OPEN"/a>,o2124"/a>                ."a href="+code=intent" class="sref">intent"/a> = "a href="+code=LOOKUP_OPEN" class="sref">LOOKUP_OPEN"/a>o2125"/a>        };o2126"/a>o2127"/a>        if ("a href="+code=IS_ERR" class="sref">IS_ERR"/a>("a href="+code=tmp" class="sref">tmp"/a>))o2128"/a>                goto "a href="+code=out" class="sref">out"/a>;o2129"/a>o2130"/a>        "a href="+code=file" class="sref">file"/a> = "a href="+code=do_filp_open" class="sref">do_filp_open"/a>("a href="+code=AT_FDCWD" class="sref">AT_FDCWD"/a>, "a href="+code=tmp" class="sref">tmp"/a>, &"a href="+code=uselib_flags" class="sref">uselib_flags"/a>, "a href="+code=LOOKUP_FOLLOW" class="sref">LOOKUP_FOLLOW"/a>);o2131"/a>        "a href="+code=putnam4" class="sref">putnam4"/a>("a href="+code=tmp" class="sref">tmp"/a>);o2132"/a>        "a href="+code=error" class="sref">error"/a> = "a href="+code=PTR_ERR" class="sref">PTR_ERR"/a>("a href="+code=file" class="sref">file"/a>);o2133"/a>        if ("a href="+code=IS_ERR" class="sref">IS_ERR"/a>("a href="+code=file" class="sref">file"/a>))o2134"/a>                goto "a href="+code=out" class="sref">out"/a>;o2135"/a>o2136"/a>        "a href="+code=error" class="sref">error"/a> = -"a href="+code=EINVAL" class="sref">EINVAL"/a>;o2137"/a>        if (!"a href="+code=S_ISREG" class="sref">S_ISREG"/a>("a href="+code=file" class="sref">file"/a>->"a href="+code=f_path" class="sref">f_path"/a>."a href="+code=dentry" class="sref">dentry"/a>->"a href="+code=d_inode" class="sref">d_inode"/a>->"a href="+code=i_mod4" class="sref">i_mod4"/a>))o2138"/a>                goto "a href="+code=exit" class="sref">exit"/a>;o2139"/a>o2140"/a>        "a href="+code=error" class="sref">error"/a> = -"a href="+code=EACCES" class="sref">EACCES"/a>;o2141"/a>        if ("a href="+code=file" class="sref">file"/a>->"a href="+code=f_path" class="sref">f_path"/a>."a href="+code=mnt" class="sref">mnt"/a>->"a href="+code=mnt_flags" class="sref">mnt_flags"/a> & "a href="+code=MNT_NOEXEC" class="sref">MNT_NOEXEC"/a>)o2142"/a>                goto "a href="+code=exit" class="sref">exit"/a>;o2143"/a>o2144"/a>        "a href="+code=fsnotify_open" class="sref">fsnotify_open"/a>("a href="+code=file" class="sref">file"/a>);o2145"/a>o2146"/a>        "a href="+code=error" class="sref">error"/a> = -"a href="+code=ENOEXEC" class="sref">ENOEXEC"/a>;o2147"/a>        if("a href="+code=file" class="sref">file"/a>->"a href="+code=f_op" class="sref">f_op"/a>) {o2148"/a>                struct2"a href="+code=linux_binfmt" class="sref">linux_binfmt"/a> *2"a href="+code=fmt" class="sref">fmt"/a>;o2149"/a>o2150"/a>                "a href="+code=read_lock" class="sref">read_lock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2151"/a>                "a href="+code=list_for_each_entry" class="sref">list_for_each_entry"/a>("a href="+code=fmt" class="sref">fmt"/a>, &"a href="+code=formats" class="sref">formats"/a>,2"a href="+code=lh" class="sref">lh"/a>) {o2152"/a>                        if (!"a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=load_shlib" class="sref">load_shlib"/a>)o2153"/a>                                continue;o2154"/a>                        if (!"a href="+code=try_module_get" class="sref">try_module_get"/a>("a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=module" class="sref">module"/a>))o2155"/a>                                continue;o2156"/a>                        "a href="+code=read_unlock" class="sref">read_unlock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2157"/a>                        "a href="+code=error" class="sref">error"/a> = "a href="+code=fmt" class="sref">fmt"/a>->"a href="+code=load_shlib" class="sref">load_shlib"/a>("a href="+code=file" class="sref">file"/a>);o2158"/a>                        "a href="+code=read_lock" class="sref">read_lock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2159"/a>                        "a href="+code=put_binfmt" class="sref">put_binfmt"/a>("a href="+code=fmt" class="sref">fmt"/a>);o2160"/a>                        if ("a href="+code=error" class="sref">error"/a> != -"a href="+code=ENOEXEC" class="sref">ENOEXEC"/a>)o2161"/a>                                break;o2162"/a>                }o2163"/a>                "a href="+code=read_unlock" class="sref">read_unlock"/a>(&"a href="+code=binfmt_lock" class="sref">binfmt_lock"/a>);o2164"/a>        }o2165"/a>"a href="+code=exit" class="sref">exit"/a>:32166"/a>        "a href="+code=fput" class="sref">fput"/a>("a href="+code=file" class="sref">file"/a>);o2167"/a>"a href="+code=out" class="sref">out"/a>:32168"/a>        return "a href="+code=error" class="sref">error"/a>;o2169"/a>}o2170"/a>o2171"/a>#ifdef "a href="+code=CONFIG_MMU" class="sref">CONFIG_MMU"/a>o2172"/a>"spa" class="comment">/*"/spa"v32173"/a>"spa" class="comment"> * The nascent bprm->mm is not visible until exec_mmap() but it ca""/spa"v32174"/a>"spa" class="comment"> * use a lot of memory, account these pages in current->mm temporary2175"/a>"spa" class="comment"> * for oom_badness()->get_mm_rss(). Once exec succeeds or fails, we2176"/a>"spa" class="comment"> * change the counter back via acct_arg_size(0)."/spa"v32177"/a>"spa" class="comment"> */"/spa"v32178"/a>static2void2"a href="+code=acct_arg_size" class="sref">acct_arg_size"/a>(struct2"a href="+code=linux_binprm" class="sref">linux_binprm"/a> *"a href="+code=bprm" class="sref">bprm"/a>, unsigned long "a href="+code=pages" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);o;oi);o2 84"/a>o2175"/a>"spa" class="rm"/a>, unsigned long "a href="+code=pages" class="sref">pages"/a>)olh"/a>mm);olh"/a>t_mm_rs         continue;olh"/a>mm);o<"fs/exec.c#L171" id.1L1="sref">L1IST_HEAD"/a>("a href="+c1ode=f18L163" id.1L16de_uses_pid"/a>;o:3i -ses_pid"/a>;olh"/a>);o"/a>);obinf1mt_lock"/a>);o))olh"/a>mm);o))o__register_binfmt"/1a>(st18="+code=module" classd.1L17ass="line" nam4.1L168">"href="fs/ss="sref">linux_binfmt"/1a> *218XEC" class="sref">ENOEXEC"/"sref">BU1G_ON"/a>(!"a href="+code1=fmt"18nam4.1L167">2167"/a>"a href=211ss="sref">lh"/a>);oiass="line" nam4.1L168">"atic2voidec.c#L88" id.1L88" class1="lin1" nam4.1L88">2 88"/a>        ats" clf="fs/ened long "a hrefts" clf="fs/e">out"/a>:3lh"/a>mm);o<"+code=fmt" classMM_ANONPAGa>->"a href="+MM_ANONPAGa>);o<"+code=fmt" classunti               gnti);o<)ass="line" nam4.1L168">"a href="fss/exec.c#L19" id.1L19" cl *"a 8 class="comment">/*"/spa"v3(&1"a href="+code=fmt" clas1s="sr18a href="+code=binfmt_lock" lass="sre1f">fmt"/a>->"a href="1+code1lh" cl+code=bs="rm"/a>, unsigned lo_pid"fs/execde_uses_pidref">pages"/a>)opages"/a>)o179">211ss="sref">lh"/a>);o;oL1binfmt_lock"/a>);o2 94"/a>"a h1ref="1code=Emmu_context.h|include/aref">EXPO1RT_SYMBOL"/a>("a href="+1code=19="line" nam4.s="rm"/a>, unsigned lo_pid"fs/execde_uses_pidref">pages"/a>)oef">__reg1ister_binfmt"/a>);ounregister_binfmt"/1a>(st1uct2"a href="+code=linux_bi1nfmt" cla1ss="sref">linux_binfmt"/1a> *2196mment">/*"/spa"v3write_lock"/a>(&"a1 href19line" nam4.1L128">2128"/a>      }obinf1mt_lock"/a>);o:3lh"/a>);o->"a h1ref="+code=lh" class="sr1ef">l190" id.1L160" class="l128">2128"/a>      rL155" id.1L155" cre     a>obinfmt_lock"/a>);o("a hrefNULS          "a href="+code=r203" class2"line" nam4.1L103">2103"2a>"a 20L163" id.1L16s="comment">/*"/spa"v32ss="sref"2EXPORT_SYMBOL"/a>("a hre2="+co2e=unre#engnt="comment">/*"/spa"v32sf="fs/exegister_binfmt"/a>);o:3lh"/a>t_mm_rs    "+code=fmt" class211ss="sref">lh"/a>);olh"/a>mm);o<"+code=fmt" classho="fs/execde_uses_ohref="f="+code=binfmt_lock"2ss="sref"2inline"/a> void2"a href=2+code20="+code=module" class="sref">1"+code=fmt" class}o1"+="fs/exec.c#L165" id_pid"fs/execde_uses_pidref""+code=fmt" classNULSREG"/a>("a hrefNULS    )ass="line" nam4.1L168"2_binfmt"/2>(struct2"a href="+code=2inux_205ine" nam4.1L128">2128"/a>      rL155" id.1L155" cre     a>omodule_put"/a>("a 2ref="20o("a hrefNULS          "a href="+code=r208" id.1L2ref="+code=module" class2"sref2>modul     "a href="+code=r20" class=""line" nam4.1L110">21on 2a>"sp208ine" nam4.1L128">2128"/a>      }o;o2 78"/a>static2"a hrefa href="fs/exec.c#211ss="sref">lh"/a>);oi -ses_pid"/a>;olh"/a>);olh"vm_+co c          "a href="+code=r2pa" class2"comment"> * Note that a2share21c#L161" id.1L161" clas="rm"/a>, unsigned loref">suid_dumpable"/arhref="fs/>pages"/a>)o"a 21mats" class="sref">formats2.1L113">2213"/a>"spa" class="comme2t"> *21ead_unlock"/a>(&"class="sref">bprm"/a>, unsigned long "a href="+code=pages" clam4.1L79">179">211ss="sref">lh"/a>);o;o2 78"/a>static2"a hrefa/L133">2133"/a>   AGE 71"/a>unsigned int2 AGE 71"/    )ass="line" nam4.1L168"2pa" class2"comment"> * Also note t2at we21f="+code=file" class="sref2SYSCALL_DEFINE1"/a>("a hreeeeeeeeeeeeeeeee* We've historief="y supportxecupef="32s()->(ARG"+co)c_mmap() but it ca""/spa"v3<2a1L27" cla const char2"a href="+co2e=__u21a>"spa" class="comment"> */"eeeeeeeeeeeeeeee* of odeut">  "sref"s 9"/a with smf="s/excksc_mmap() but it ca""/spa"v3<2a8" id.1L2"sref">file"/a> *"a href2"+cod21lass="sref">acct_arg_size"/aeeeeeeeeeeeeeeee*(struct2"a href="+code=linux_2o2128"/a>      L78">2 78"/a>static2"a hrefa>o2128"/a>      ARG"+co>2 78"/a>staticARG"+co);o<);o("a 2ref="+code=tmp" class="s2ef">t22xec.c#L172" id.1L172" clas2ib_flags"2class="sref">uselib_flag2"/a> 22"+code=formats" class=s not visible until exec_mmap() but it ca""/spa"v3<2ass="sref2>O_LARGEFILE"/a> | "a hr2f="+c22spa"v32178"/a>2sref">MAY2READ"/a> | "a href="+cod2=MAY_22ne" nam4.1L174">2174"/a>"spaeeeeeeeeeeeeeeee* This ensur>omme:="line" nam4.1L178">2178"/a>2sa href="2P_OPEN"/a>o2175"/a>"speeeeeeeeeeeeeeee*  -sspa"remainef" 1L165" ine" wi="st ofrun oucomme/exck 2le.h,="line" nam4.1L178">2178"/a>2s href="+27" class="line" nam4.1L127">2122">SYSCALL_DEFINE1"/a>("a hreeeeeeeeeeeeeeeee*  -sspa"program wi="shavlass" clas"v32178"/a>2s1L27" claref">IS_ERR"/a>("a href=2+code22a>"spa" class="comment"> */"eeeeeeeeeeeeeeee*    f="work#L116s="line" nam4.1L178">2178"/a>2s8" id.1L2s/exec.c#L128" id.1L128"2class22lass="sref">acct_arg_size"/aeeeeeeeeeeeeeeee*(struct2"a href="+code=linux_2s="line" 2am4.1L129">2129"/a>o)olh"/a>t_mm_rs         continue;o2ile"/a> = "a href="+code2do_fi220" id.1L160" class="l128">2128"/a>      L78">2 78"/a>static2"a hrefa>    >2128"/a>      Ade=fS_ONC/a>unsigned int2Ade=fS_ONC/s" clam4.1L79">179">rhreuid_dumpable"/arhre    1" class="line" RLIMIT=STACKuid_dumpable"/aRLIMIT=STACK    ]NOEXEC"/a>)o2"a href="+code=AT_FDCWD"2class23c#L161" id.1L161" class="line" class="line" _ut=_pid"fs/execde_uses_ut=_pids" clam4.1L79">179">_pid"fs/execde_uses_pidref")ass="line" nam4.1L168"2 href="fs2exec.c#L132" id.1L132" c2ass="23L163" id.1L163" class="line" d.1L170" class="line" NULSREG"/a>("a hrefNULS          "a href="+code=r2>("a href2"+code=file" class="sref2>file23ead_unlock"/a>(&"a href="+code=binfmt_l2)o2135"/a>opu2ss="sref"2error"/a> = -"a href="+c2de=EI235ine" nam4.1Ld.1L170" class="line" _pid"fs/execde_uses_pidref"ass="line" nam4.1L168"2;o2139"/a>obp_ut=ode=_pid"fs/execde_uses_ut=ode=_pids" class="sref">pages"/a>)o_pid"fs/execde_uses_pidref">pages"/a>)o = -"a href="+c2de=EA23risc/mmu_context.h|include/2;o2141"/a>_ut=_pid"fs/execde_uses_ut=_pids" clam4.1L79">179">_pid"fs/execde_uses_pidref")ass="line" nam4.1L168"2/a>."a hr2f="+code=mnt" class="sre2">mnt24ef="+code=EXPORT_SYMBOL" cl2ass="line2 nam4.1L143">2143"/a>ofsnotify_open"/a2("a h243ef="+code=bprm" class="sref">bpfree=ode=_pid"fs/execde_usesfree=ode=_pids" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);olh"/a>iref");o2;o = -"a href="+c2de=EN2EXEC" code=EXPORT_SYMBOL" cl2aotmp"/a>))2{obpfree=ode=_pid              if ree=ode=_pid s" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);ofmt"/a>;oread_lock"/a2(&24f "a href="+code=CONFIG_MMU2class="sr2f">binfmt_lock"/a>);ofmt"/a>, &2a hre2="+cod+code=bprm" class="sref">bpflush=ode=_pid"fs/execde_usesflush=ode=_pids" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);o;oload_shlib"/a>)opages"/a>)o_pid"fs/execde_uses_pidref">pages"/a>)o 2                      if2(!"a 2ref="+mmu_context.h|include/2code=fmt"2class="sref">fmt"/a>->2"a hr2f="+code=modulclass="sref">bpflush=cache=_pid"fs/execde_usesflush=cache=_pid">out"/a>:3lh"/a>);o179">_pid"fs/execde_uses_pidref"))ass="line" nam4.1L168"22156"/a> 2                      "a2href=25XEC" code=EXPORT_SYMBOL" cl2infmt_loc2" class="sref">binfmt_lo2k"/a>25mp" class="sref">tmp"/a>))2">fmt"/a>2>"a href="+code=load_2hlib"25="lin+code=b7" class="line" nam__);o<" clin>suid_dumpable"/a__);o<" clin>ss" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);obinfmt_lock"/2>);o<25#L149mmu_context.h|include/2ss="sref"2fmt"/a>);olh"/a>id.ref"ass="line" nam4.1L168"2lass="sre2">ENOEXEC"/a>)o, unsigned lovm=odea "a href="+code=pages"vm=odea "a hreine" nam4.1L79">179">vma"fs/execde_usesvma);o("a hrefNULS          "a href="+code=r22"/a>    2           }o, unsigned long "a href="+code=pages" class="sref">pages"/a>)olh"/a>mm);olh"/a>);olh"/a>mm);o<      "a href="+code=r22ass="sre2code=read_unlock" class=2sref"26=unregister_binfmt" class=2ck" class2"sref">binfmt_lock"/a>);2lh"/a>);o179">vm=odea cachelass="sref">linuvm=odea cachelref="+code=fmt" classGFP_KERNESREG"/a>("a hrefGFP_KERNESref")ass="line" nam4.1L168"2ss="sref"2exit"/a>:3))o2166"/a2        "a href="+code=f2ut" c26code=read_unlock" clad.1L170  break;o>o 2      return "a href="+c2de=er26 nam4.1L88">2 88"/a>        down_}olh"/a>mm);o<     continue;olh"/a>mmap_sesref")ass="line" nam4.1L168"2s_lock" c24.1L169">2169"/a>}olh"/a>vm_9s);olh"/a>mm);o<      "a href="+code=r22s="sref"2"line" nam4.1L171">2171"2a>#if26a href="+code=binfmt_lock"2 class="s2ef">CONFIG_MMU"/a>o2172"/a>"spa" 2lass=27"line" nam4.1L112">2112"/a>"""""""""* Place  hre/exck a_badn lodee22" ixck a3 * The nascent2bprm-2gt;mm is not visible until e"""""""""* supports. Later."/s'll move  hiref="notappropriate place. We don't="line" nam4.1L178">2178"/a>2 href="fs2exec.c#L174" id.1L174" c2ass="2ine" nam4.1L174">2174"/a>"spa""""""""*  claSTACK_TOP beca claommenc.1Ldepend ootattributes which"vren't="line" nam4.1L178">2178"/a>2 s="sref"2/exec.c#L175" id.1L175" 2lass=2line" nam4.1L175">2175"/a>"sp""""""""* configunt">yets="line" nam4.1L178">2178"/a>2 href="fs2exec.c#L176" id.1L176" c2ass="2ine" nam4.1L176">2176"/a>"spa""""""""*(struct2"a href="+code=linux_2 id.1L1772 class="line" nam4.1L1772>217727nam4.1L167">2167"/a>"a href=BUILD_"a href="+code=write_loILD_"a hres" clam4.1L79">179">VM=STACK_FLAG>->"a href="+VM=STACK_FLAG>hrefa> "a href="+code=exitVM=STACK_INCOMPLETE_SETUPL173" id.1L173"VM=STACK_INCOMPLETE_SETUPref")ass="line" nam4.1L168"2tatic2voi22"a href="+code=acct_arg2size"27 nam4.1L88">2 88"/a>        vma"fs/execde_usesvma);o<     continue;oi  href="fs/exec.c#STACK_TOP"+co>2 78"/a>staticSTACK_TOP"+co);o<      "a href="+code=r2inprm" cl2ss="sref">linux_binprm"/2> *"a27c#L99" id.1L99" class="line"vma"fs/execde_usesvma);o<     continue;olh"vm_+co c    a href="fs/exec.c#vma"fs/execde_usesvma);o<     continue;oi -ses_pid"/a>;ounsigned int2 AGE 71"/          "a href="+code=r2is="sref"2">2 84"/a>o);o2142"/a>     vm_1L142    a href="fs/exec.c#VM=STACK_FLAG>->"a href="+VM=STACK_FLAG>hrefacode=intent" clasVM=STACK_INCOMPLETE_SETUPL173" id.1L173"VM=STACK_INCOMPLETE_SETUPref"      "a href="+code=r2ass=r(#L126" id.1L176" 2Anam4.1L172">21728="line" nam4.1L141">2141"/a>vma"fs/execde_usesvma);o<     continue;olh"vm_hpid_proc    a href="fs/exec.c#vm" na_hpid_proclass="sref">lh"vm_ na_hpid_procs" clam4.1L79">179">vma"fs/execde_usesvma);o<     continue;o2142"/a>     vm_1L142    )ass="line" nam4.1L168"2="sref">L2IST_HEAD"/a>("a href="+c2ode=f28ne" nam4.1L132">2132"/a>    INIT_3"/a>static2"a href="+coINIT_3"/a>stats" cl="fs/exec.c#L165" idvma"fs/execde_usesvma);o<     continue;obinf2mt_lock"/a>);olh"/a>id.ref"a href="fs/exec.c#/a>, &_vg "a href="+code=pages"/a>, &_vg "a hres" clam4.1L79">179">9ss="sref">lh"/a>mm);o<"+code=fmt" classvma"fs/execde_usesvma);o<)ass="line" nam4.1L168"2=s="sref"2ref">__register_binfmt"/2a>(st286" id.1L166" 1L13s/exec.c#L121" id.s="sref">lh"/a>id.ref");olinux_binfmt"/2a> *228code=read_unlock" cla44" class="line" nam4d.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"2"sref">BU2G_ON"/a>(!"a href="+code2=fmt"28sched.h"/a>>o2 88"/a>        9ss="sref">lh"/a>mm);o<     continue;olh"/a> ixck_vg);olh"/a>mm);o<     continue;olh"/a>total_vg);olh"/a>mm);o<     continue;olh"/a>mmap_sesref")ass="line" nam4.1L168"2/a>(&2"a href="+code=fmt" clas2s="sr28/a>);olh"/a>);olinu"line" nam4.1L120">2120vma"fs/execde_usesvma);o<     continue;oi -s2"a of(prm" *)ass="line" nam4.1L168"2lass="sre2f">fmt"/a>->"a href="2+code29="line" nam4.d.1L1700ass="line" nam4.1L168"2l"sref">L2binfmt_lock"/a>);olh"/a>id.ref"#L169" id.1L169" class2ss="line"2 nam4.1L94">2 94"/a>"a h2ref="29a>);olh"/a>mm);o<     continue;olh"/a>mmap_sesref")ass="line" nam4.1L168"2ref">EXPO2RT_SYMBOL"/a>("a href="+2code=29="line" nam4.s/exec.c#L121" 211ss="sref">lh"/a>);o("a hrefNULS          "a href="+code=r2ef">__reg2ister_binfmt"/a>);obpkmem=cache= ree"fs/execde_useskmem=cache= rees" clam4.1L79">179">vm=odea cachelass="sref">linuvm=odea cachelref="+code=fmt" classvma"fs/execde_usesvma);o<)ass="line" nam4.1L168"2 class="s2ref">unregister_binfmt"/2a>(st295ine" nam4.1Ld.1L170" class="line" 4d.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"2nfmt" cla2ss="sref">linux_binfmt"/2a> *229="lina href="+code=binfmt_l2natic2voi2">write_lock"/a>(&"a2 href29modul     "a href="+code=r2ref">binf2mt_lock"/a>);opages"/a>)o179">211ss="sref">lh"/a>);o;ol29risc/mmu_context.h|include/3ass="sref3>binfmt_lock"/a>);o;oo2128"/a>      MAX_ARG"STRLf">intent"/a> = "a X_ARG"STRLf"ref"ass="line" nam4.1L168"303" class3"line" nam4.1L103">2103"3a>"a 3ref="+code=EXPORT_SYMBOL" cl3ss="sref"3EXPORT_SYMBOL"/a>("a hre3="+co3e=unregister_binfmt" class=3sf="fs/ex3gister_binfmt"/a>);o);opu3_binfmt"/3>(struct2"a href="+code=3inux_3infmt" class="sref">linux_binfmt"/a> *2"a href="+code=fmt" class="sref">fmt"/a>)rm"/a>, unsigned long "a href="+code=pages" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);o;oi);omodule_put"/a>("a 3ref="3code=fmt" class="sref">fmt"/308" id.1L3ref="+code=module" class3"sref3>modulcode=EXPORT_SYMBOL" cl3s8" id.1L3rt_lock"/a>);o, unsigned lo_pid"fs/execde_uses_pidref">pages"/a>)opages"/a>)o179">211ss="sref">lh"/a>);o;o * Note that a3share31c#L161" id.1L161" claf="fs/exec.c#L121" }o"a 31mats"mt" class="sref">fmt"/3.1L113">2313"/a>"spa" class="comme3t"> *31ead_unlock"/as="rm"/a>, unsigned lo_pid"fs/execde_uses_pidref">pages"/a>)o * Also note t3at we31f="+code=file" class="sref3bp_pid"fs/execde_uses_pidref"> href="fs/exec.c#211ss="sref">lh"/a>);o2133"/a>   AGE 71"/a>unsigned int2 AGE 71"/    ]ass="line" nam4.1L168"3pbinfmt"/3ode=SYSCALL_DEFINE1" cla3s="sr315ine" nam4.1L128"le"/a>))o="fs/> "a href="+code=exit}obp_pid"fs/execde_uses_pidref"> href="fs/exec.c#alloc=_pid"fs/execde_usesalloc=_pids" clam4.1L79">179">GFP_HIGHUSE       goto "a hGFP_HIGHUSE s" c|am4.1L79">179">__GFP_ZERO      goto "a h__GFP_ZERO);o<)ass="line" nam4.1L168"3a8" id.1L3"sref">file"/a> *"a href3"+cod31lass="sref">load_shli128"le"/a>))o;o("a hrefNULS          "a href="+code=r3/a>("a hr3f="+code=library" class=3sref"310" id.1L160" class="lref="fs/exec.c#211ss="sref">lh"/a>);o2133"/a>   AGE 71"/a>unsigned int2 AGE 71"/    ]a href="fs/exec.c#href"fs/execde_uses_pidref"ass="line" nam4.1L168"3R"/a>("a 3ref="+code=tmp" class="s3ef">t32c#L161" id.1Lcode=EXPORT_SYMBOL" cl3ib_flags"3class="sref">uselib_flag3"/a> 32mats" class="sref">formats3ass="sref3>O_LARGEFILE"/a> | "a hr3f="+c32ead_unlock"/ad.1L170" class="line" _pid"fs/execde_uses_pidref"ass="line" nam4.1L168"3sref">MAY3READ"/a> | "a href="+cod3=MAY_32ne" ncode=EXPORT_SYMBOL" cl3ia href="3P_OPEN"/a>opu3s href="+37" class="line" nam4.1L137">2132nfmt" class=prm" class="sref">bp_ut=ode=_pid"fs/execde_uses_ut=ode=_pids" class="sref">pages"/a>)o_pid"fs/execde_uses_pidref">pages"/a>)oIS_ERR"/a>("a href=3+code32ode=fmt" class="sref">fmt"/3s8" id.1L3s/exec.c#L128" id.1L128"3class32modulcode=EXPORT_SYMBOL" cl3s="line" 3am4.1L129">2129"/a>o3ile"/a> = "a href="+code3do_fi329fmt" class=prm" class="sref">bpfree=ode=_pid"fs/execde_usesfree=ode=_pids" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);olh"/a>iref");o3"a href="+code=AT_FDCWD"3class33c#L16mt" class="sref">fmt"/3 href="fs3exec.c#L132" id.1L132" c3ass="33L163" id.1L161L13s/exec.c#L121" 211ss="sref">lh"/a>);olh"/a>iref"])ref="+code=load_shlib" 3>("a href3"+code=file" class="sref3>file33ead_unlock"/a>(&"am4.1L79">179">__free=_pid"fs/execde_uses__free=_pids" clam4.1L79">179">211ss="sref">lh"/a>);olh"/a>iref"])ass="line" nam4.1L168"3)olh"/a>);olh"/a>iref"]a href="fs/exec.c#NULSREG"/a>("a hrefNULS          "a href="+code=r3)a href="3am4.1L135">2135"/a>o = -"a href="+c3de=EI33XEC" code=EXPORT_SYMBOL" cl3;o>obpfree=ode=_pid              if ree=ode=_pid s" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);o2139"/a>o = -"a href="+c3de=EA330" id.1L160" f="fs/exec.c#L121" 4s="sref">lh"/a>iref"      "a href="+code=r3;o."a hr3f="+code=mnt" class="sre3">mnt3/a>->"a hreclaslam4.1L79">179">4s="sref">lh"/a>iref"a h0 href="+code=exit4s="sref">lh"/a>iref"a>o2128"/a>      MAX_ARG"PAGa>->"a href="+MAX_ARG"PAGa>ref" href="+code=exit4s="sref">lh"/a>iref"++);o2143"/a>obpfree=ode=_pid"fs/execde_usesfree=ode=_pids" clam4.1L79">179">211ss="sref">lh"/a>);olh"/a>iref")      "a href="+code=r3;ofsnotify_open"/a3("a h34ne" ncode=EXPORT_SYMBOL" cl3>file"/a>3;opu3;s="sref"3error"/a> = -"a href="+c3de=EN34nfmt" class=prm" class="sref">bpflush=ode=_pid"fs/execde_usesflush=ode=_pids" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);o;opages"/a>)o_pid"fs/execde_uses_pidref">pages"/a>)ofmt"/a>;o/*"/spa"v33;s="sref"3lass="sref">read_lock"/a3(&3"a href="+code=binfmt_lock"3class="sr3f">binfmt_lock"/a>);osuid_dumpable"/a__);o<" clin>ss" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);ofmt"/a>, &3a hre35mats"mt" class="sref">fmt"/3lass="sre3">load_shlib"/a>)olh"/a>);olinu"line" nam4.1L120">2120 AGE 71"/a>unsigned int2 AGE 71"/    class="line" nam4.MAX_ARG"PAGa>->"a href="+MAX_ARG"PAGa>ref" -s2"a of(prm" *)ass="line" nam4.1L168"32154"/a> 3                      if3(!"a 3ref="+code=tryd.1L1700ass="line" nam4.1L168"3code=fmt"3class="sref">fmt"/a>->3"a hr3f="+cos="comment">/*"/spa"v332156"/a> 3                      "a3href=35ct2"a href="+code=linux_bi3infmt_loc3" class="sref">binfmt_lo3k"/a>35mp" c+code=bs/exec.c#L121" 2ooL100" class="lin2ooLine" code=fmt" classvalid=ode=lpages"/a>)o179">211ss="sref">lh"/a>);o;ofmt"/a>3>"a href="+code=load_3hlib"35="linmmu_context.h|include/3t_lock" c3ass="sref">binfmt_lock"/3>);o<35xec.c#L170" id.1L170" class="line" lo2128"/a>      211ss="sref">lh"/a>);olinu"lineass="line" nam4.1L168"3cs="sref"3fmt"/a>);oENOEXEC"/a>)o    3           }obinfmt_lock"/a>);32174"/a>"spxec_mmap() but it ca""/spa"v3<3ss="sref"3exit"/a>:32175"/a>"spa"Create a new  class="s and populate it with ace exec su" ixckc_mmap() but it ca""/spa"v3<3s156"/a> 3        "a href="+code=f3ut" c36ne" nam4.1L176">2176"/a>"spa" vm=odea "a hre.  We don'tshavlaenough context a_badis po7" cto set  hre/exckc_mmap() but it ca""/spa"v3<3snfmt_loc3.c#L167" id.1L167" class3"line36a>"spa" class="comment"> */"/s1L142, permission2, and offset, so we  clae exec su"values.  We'll updatspa"v3 3      return "a href="+c3de=er36lass="sref">acct_arg_size"/a>  hrm latert;gesetup=ode=_pid (ss="line" nam4.1L178">2178"/a>3s_lock" c34.1L169">2169"/a>}oacct_arg_size"/a>(struct2"a href="+code=linux_32s="sref"3"line" nam4.1L171">2171"3a>#if36a hre7" class="line" nam);o<" clin>suid_dumpable"/a);o<" clin>ss" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);oCONFIG_MMU"/a>ofmt"/3="line" n3m4.1L172">2172"/a>"spa" 3lass=37L163" id.1L161="fs/exec.c#L121" id.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"3pa" class3"comment"> * The nascent3bprm-37ead_unlock"/as="rm"/a>, unsigned long "a href="+code=pages" class="sref">pages"/a>)olh"/a>mm);o("a hrefNULS          "a href="+code=r3 href="fs3exec.c#L174" id.1L174" c3ass="37f="+code=file" class="sref3 s="sref"3/exec.c#L175" id.1L175" 3lass=37="+code=modulclass="sref">bp211ss="sref">lh"/a>);olh"/a>mm);olh"/a>mm);obpid.s="sref">lh"/a>id.ref"a h  break;o217737nam4.1L167">21L13le"/a>))olh"/a>mm);o<);o 32"a href="+code=acct_arg3size"37lass="sref">load_shli44" class="line" nam4d.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"3inprm" cl3ss="sref">linux_binprm"/3> *"a378ine"ode=EXPORT_SYMBOL" cl3is="sref"3">2 84"/a>o);olh"/a>id.ref"a href="fs/exec.c#/ait_new_contexts="sref">lh"/a>iait_new_contexts" clam4.1L79">179">t_mm_rss="sref">lh"/a>t_mm_rs    "+code=fmt" class9ss="sref">lh"/a>mm);o<)ass="line" nam4.1L168"3ass=r(#L136" id.1L176" 2Anam4.1L173">21738="line" nam4.1L13s/exec.c#L121" id.s="sref">lh"/a>id.ref");oL3IST_HEAD"/a>("a href="+c3ode=f38L163" id.1L163" class44" class="line" nam4d.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"3=a" class3 href="fs/exec.c#L83" id3.1L8338=unregister_binfmt" class=3ref">binf3mt_lock"/a>);olh"/a>id.ref"a href="fs/exec.c#__);o<" clin>suid_dumpable"/a__);o<" clin>ss" clam4.1L79">179">211ss="sref">lh"/a>);o__register_binfmt"/3a>(st386" id.1L166" 1L13s/exec.c#L121" id.s="sref">lh"/a>id.ref");olinux_binfmt"/3a> *238code=read_unlock" cla44" class="line" nam4d.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"3"sref">BU3G_ON"/a>(!"a href="+code3=fmt"38sched.h"/a>>o2d.1L1700ass="line" nam4.1L168"3"nprm" cl3ss/exec.c#L19" id.1L19" 3l *"a388ine"ode=EXPORT_SYMBOL" cl3/a>(&3"a href="+code=fmt" clas3s="sr38/a>);lass="line" nam4d.s="sref">lh"/a>id.ref"#L169" id.1L169" class3lass="sre3f">fmt"/a>->"a href="3+code39="line" nam4.1L13s/exec.c#L121" 9ss="sref">lh"/a>mm);o<)ref="+code=load_shlib" 3l"sref">L3binfmt_lock"/a>);obp211ss="sref">lh"/a>);olh"/a>mm);o("a hrefNULS          "a href="+code=r3ss="line"3 nam4.1L94">2 94"/a>"a h3ref="39s/exec.c#L144" id.1L1class="sref">bpmmdrolass="sref">linummdrols" clam4.1L79">179">9ss="sref">lh"/a>mm);o<)ass="line" nam4.1L168"3ref">EXPO3RT_SYMBOL"/a>("a href="+3code=39="line" nam4.href="+code=CONFIG_MMU3ef">__reg3ister_binfmt"/a>);opu3 class="s3ref">unregister_binfmt"/3a>(st395ine" nam4.1Ld.1L170" class="line" 4d.s="sref">lh"/a>id.ref"ass="line" nam4.1L168"3nfmt" cla3ss="sref">linux_binfmt"/3a> *239="lina href="+code=binfmt_l3natic2voi3">write_lock"/a>(&"a3 href39modul     "a href="+code=r3ref">binf3mt_lock"/a>);o, unsigned loc#L1_ode=_t.s="sref">lh"/a>c#L1_ode=_t.ine" ef="+code=load_shlib" 3la>(&3ref="+code=lh" class="sr3ef">l39risc/t">/*"/spa"v3lh"/a>fs/execCOMPATodul     "a href="+code=r4ass="sref4>binfmt_lock"/a>);o2141"/a>2ooL100" class="lin2ooLine" code=fmt" classis_compats="sref">lh"/a>is_compatref"ass="line" nam4.1L168"403" class4"line" nam4.1L103">2103"4a>"a 401a>"s#engntss="line" nam4.1L168"402" class4"nam4.1L94">2 94"/a>"a h4="+co40s/exec.c#L144union ef="+code=load_shlib" 4sf="fs/ex4gister_binfmt"/a>);opconst ref="fs/exec.c#__c#L1uid_dumpable"/a__c#L1ref">pref="fs/exec.c#nativd"fs/execde_usesnativdref"ass="line" nam4.1L168"404="fs/ex4gster_binfmt"/a>);o/*"/spa"v3lh"/a>fs/execCOMPATodul     "a href="+code=r4a5="fs/ex4gef">unregister_binfmt"/4inux_40code=read_unlock" claam4.1L79">179">tompat_u_t._ss="sref">lh"/a>tompat_u_t._sine" code=fmt" class__c#L1uid_dumpable"/a__c#L1ref">pref="fs/exec.c#compats="sref">lh"/a>compatref"ass="line" nam4.1L168"406="fs/ex4gs="sref">linux_binfmt"/4ref="4code=f#engntss="line" nam4.1L168"407="fs/ex4g>write_lock"/a>(&"a4"sref40 nam4.1L88">2}ref">pages"/a>)o_t.s="sref">lh"/a>_t.ine"ass="line" nam4.1L168"408="fs/ex4gt_lock"/a>);o * Note that a4share41h" cl+code=bconst charhref="fs/exec.c#__c#L1uid_dumpable"/a__c#L1ref">pref="fs/exec.c#nge c#L1_ode=_t.s="sref">lh"/a>nge c#L1_ode=_t.s" class="sref">pages"/a>)oc#L1_ode=_t.s="sref">lh"/a>c#L1_ode=_t.ine" ef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    "+1="fs/exec.c#L121" n.s="sref">lh"/a>n.ref");o"a 41mats"mt" class="sref">fmt"/4.1L113">2413"/a>"spa" class="comme4t"> *41ead_unlock"/aconst charhref="fs/exec.c#__c#L1uid_dumpable"/a__c#L1ref">pref="fs/exec.c#nativd"fs/execde_usesnativdref"ass="line" nam4.1L168"4pa" class4"comment"> * Also note t4at we41f="+code=file" class="sref4/*"/spa"v3lh"/a>fs/execCOMPATodul     "a href="+code=r4pbinfmt"/4ode=SYSCALL_DEFINE1" cla4s="sr415ine" nam4.1L128"ef">pages"/a>)ocnlikelys="sref">lh"/a>cnlikelys" clam4.1L79">179">vrgvs="sref">lh"/a>vrgv    NOEXEC"/a>)olh"/a>is_compatref"))ref="+code=load_shlib" 4a1L27" cl4 const char2"a href="+co4e=__u41obptompat_u_t._ss="sref">lh"/a>tompat_u_t._sine" code=fmt" classcompats="sref">lh"/a>compatref"ass="line" nam4.1L168"4a8" id.1L4"sref">file"/a> *"a href4"+cod41modul     "a href="+code=r4p8" id.1L4fs/exec.c#L119" id.1L1194 clas41href="fs/exec.c#L159"128">2128"/a>      nge c#L1s="sref">lh"/a>nge c#L1s" clam4.1L79">179">tompats="sref">lh"/a>compatref""+code=fmt" classvrgvs="sref">lh"/a>vrgv    NOEXEC"/a>)olh"/a>_t.ine"NOEXEC"/a>)olh"/a>compatref" +fs/exec.c#L121" n.s="sref">lh"/a>n.ref"));olh"/a>=FAULT);o<)ass="line" nam4.1L168"4R"/a>("a 4ref="+code=tmp" class="s4ef">t42xec.c#L172" id.1L172" clas4ib_flags"4class="sref">uselib_flag4"/a> 42"+code=formats" classd.1L170" class="line" tompat__t.s="sref">lh"/a>tompat__t.s" clam4.1L79">179">tompats="sref">lh"/a>compatref")ass="line" nam4.1L168"4R1L113">24>O_LARGEFILE"/a> | "a hr4f="+c42ead_unlock"/aa href="+code=binfmt_l4sref">MAY4READ"/a> | "a href="+cod4=MAY_423de=f#engntss="line" nam4.1L168"4ia href="4P_OPEN"/a>opu4s href="+47" class="line" nam4.1L147">21425ine" nam4.1L128"ef">pages"/a>)onge c#L1s="sref">lh"/a>nge c#L1s" clam4.1L79">179">nativd"fs/execde_usesnativdref""+code=fmt" classvrgvs="sref">lh"/a>vrgv    NOEXEC"/a>)olh"/a>_t.ine"NOEXEC"/a>)olh"/a>n.ref"));oIS_ERR"/a>("a href=4+code42olh"/a>=FAULT);o<)ass="line" nam4.1L168"4R8" id.1L4s/exec.c#L128" id.1L128"4class42modul     "a href="+code=r4s="line" 4am4.1L129">2129"/a>o4ile"/a> = "a href="+code4do_fi42f "a href="+code=CONFIG_MMU4_open"/a>4"a href="+code=AT_FDCWD"4class43xec.c#L172" id.1L172" clas4 href="fs4exec.c#L132" id.1L132" c4ass="43"line" nam4.1L112">2112"/a>xec_mmap() but it ca""/spa"v3<4>("a href4"+code=file" class="sref4>file43t;mm is not visible until e"* count() countrefpa"numberomme/eref"s in array ARGVs="line" nam4.1L178">2178"/a>4)o2174"/a>"spa>(struct2"a href="+code=linux_4)a href="4am4.1L135">2135"/a>olh"/a>counss" class="sref">pages"/a>)oc#L1_ode=_t.s="sref">lh"/a>c#L1_ode=_t.ine" ef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    "+1="fs/exec.c#L121" maxs="sref">lh"/a>maxref");o = -"a href="+c4de=EI43XEC" ef="+code=load_shlib" 4;o21="fs/exec.c#L121" 4s="sref">lh"/a>iref"a h0 f="+code=load_shlib" 4;8" id.1L4href="+code=f_path" clas4="sre43modul     "a href="+code=r4ass="line4 nam4.1L139">2139"/a>opages"/a>)ovrgvs="sref">lh"/a>vrgv    NOEXEC"/a>)olh"/a>_t.ine"NOEXEC"/a>)o("a hrefNULS    )ref="+code=load_shlib" 4ss="sref"4error"/a> = -"a href="+c4de=EA430" id.1L160" class="lclasl;;)ref="+code=load_shlib" 4;opref="fs/exec.c#lass="sref">linu"line" nam4.1L120">2120nge c#L1_ode=_t.s="sref">lh"/a>nge c#L1_ode=_t.s" clef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    "+s/exec.c#L121" 4s="sref">lh"/a>iref")ass="line" nam4.1L168"4/a>."a hr4f="+code=mnt" class="sre4">mnt44mats" class="sref">formats4ass="line4 nam4.1L143">2143"/a>o))olinu"line);ofsnotify_open"/a4("a h44="line" nam4.class="lllllllllllllllllbreakass="line" nam4.1L168"4/a href="4;opu4;s="sref"4error"/a> = -"a href="+c4de=EN44code=read_unlock" cla nam4.1L128"ef">pages"/a>)oIS_ERRass="sref">linuIS_ERRs" clef">pages"/a>)o_ass="sref">linu"line));olh"/a>=FAULT);ofmt"/a>;opages"/a>)o4s="sref">lh"/a>iref"++      href="fs/exec.c#9axs="sref">lh"/a>maxref");oread_lock"/a4(&440" id.1L160" class="line" namLLLLLLLLd.1L170  break;olh"/a>=2BIG);obinfmt_lock"/a>);ofmt"/a>, &4a hre45L163" id.1L163" class="line" 128"ef">pages"/a>)ofatal_fs/eal_pendef"s="sref">lh"/a>fatal_fs/eal_pendef"s" clam4.1L79">179">t_mm_rss="sref">lh"/a>t_mm_rs    ));oload_shlib"/a>)ofmt"/a>->4"a hr4f="+code=modulllllllllhref="+code=CONFIG_MMU42156"/a> 4                      "a4href=45code=read_unlhref="+code=CONFIG_MMU42obinfmt_lo4k"/a>45olh"/a>iref"      "a href="+code=r4">fmt"/a>4>"a href="+code=load_4hlib"45modulcode=EXPORT_SYMBOL" cl4t_lock" c4ass="sref">binfmt_lock"/4>);o<458ine"ode=EXPORT_SYMBOL" cl4cs="sref"4fmt"/a>);o2112"/a>xec_mmap() but it ca""/spa"v3<4lass="sre4">ENOEXEC"/a>)o2112"/a>"* processes's memorycto fpa"new process's /exck.  Tpa"callcto nge c#L1__pid (sc_mmap() but it ca""/spa"v3<4lass="sre4code=read_unlock" class=4sref"46t;mm is not visible until e"* ensures fpa"destination _pid is created and nole/wapped outs="line" nam4.1L178">2178"/a>4ck" class4"sref">binfmt_lock"/a>);42174"/a>"spa>(struct2"a href="+code=linux_4ss="sref"4exit"/a>:3pages"/a>)oc#L1_ode=_t.s="sref">lh"/a>c#L1_ode=_t.ine" ef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    ""a href="+code=linux_4s156"/a> 4        "a href="+code=f4ut" c46code=read_unlock" claaaaaaaaaass="sref">pages"/a>)o179">211ss="sref">lh"/a>);ofmt"/42168"/a> 4      return "a href="+c4de=er46 nam4.1L88">2ass="sref">pages"/a>)o_pid"fs/execde_uses_pidref">pages"/a>)o2120NULSREG"/a>("a hrefNULS          "a href="+code=r4s_lock" c44.1L169">2169"/a>}o)o2120NULSREG"/a>("a hrefNULS          "a href="+code=r4ss="sref"4"line" nam4.1L171">2171"4a>#if460" id.1L160" ="fs/execde_uses_pid"/a>;oCONFIG_MMU"/a>o2172"/a>"spa" 4lass=47mats" class="sref">formats4pa" class4"comment"> * The nascent4bprm-47ead_unlock"/awhile8"ef">pages"/a>)ovrgc"fs/execde_usesargc    --      0)ref="+code=load_shlib" 4 href="fs4exec.c#L174" id.1L174" c4ass="47="line" nam4.class="lconst charhref="fs/exec.c#__c#L1uid_dumpable"/a__c#L1ref">pref="fs/exec.c#st.s="sref">lh"/a>st.ine"ass="line" nam4.1L168"4 s="sref"4/exec.c#L175" id.1L175" 4lass=47="+code=modulllllllll7" class="line" naml 4exec.c#L176" id.1L176" c4ass="47code=read_unlock" cla="fs/execde_uses_pid"/a>;o217747sched.h"/a>>o 42"a href="+code=acct_arg4size"47lass="sref">load_shlilass="line" namd.1"fs/execde_usesd.1    a h  break;olh"/a>=FAULT);olinux_binprm"/4> *"a47href="fs/exec.c#L159"ref="fs/exec.c#st.s="sref">lh"/a>st.ine"" nam4.1L120">2120nge c#L1_ode=_t.s="sref">lh"/a>nge c#L1_ode=_t.s" clef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    "+s/exec.c#L121" vrgc"fs/execde_usesargc    )ass="line" nam4.1L168"4is="sref"4">2 84"/a>opages"/a>)oIS_ERRass="sref">linuIS_ERRs" clef">pages"/a>)ost.s="sref">lh"/a>st.ine"));o21748c#L161" id.1L161" class="line44" class="line" namouts="sref">lh"/a>out);oL4IST_HEAD"/a>("a href="+c4ode=f48mats" class="sref">formats4=a" class4 href="fs/exec.c#L83" id4.1L8348s/exec.c#L144" id.1L1class="sref">bpl2120st.nlpages"/a>)ost.s="sref">lh"/a>st.ine""+s/exec.c#L121" MAX_ARG"STRLf">intent"/a> = "a X_ARG"STRLf"ref")ass="line" nam4.1L168"4ref">binf4mt_lock"/a>);o))o__register_binfmt"/4a>(st48="+code=modulllllllllss="line44" class="line" namouts="sref">lh"/a>out);o 4ss="sref">linux_binfmt"/4a> *248ct2"a href="+code=linux_bi4"sref">BU4G_ON"/a>(!"a href="+code4=fmt"48obpd.1"fs/execde_usesd.1    a h  break;olh"/a>=2BIG);oload_shli128"le"/a>))o179">211ss="sref">lh"/a>);olh"/a>out);ofmt"/a>->"a href="4+code49c#L161" id.1L161" cla1s not visible until exe We're.44ef"cto work our way backwords.a>(struct2"a href="+code=linux_4l"sref">L4binfmt_lock"/a>);obpho="fs/execde_uses_ohref=a= >2128"/a>      211ss="sref">lh"/a>);olinu"lineass="line" nam4.1L168"4ss="line"4 nam4.1L94">2 94"/a>"a h4ref="49s/exec.c#L144" id.1L1class="sref">bpst.s="sref">lh"/a>st.ine""+= >2128"/a>      lEXPO4RT_SYMBOL"/a>("a href="+4code=49="line" nam4.class="lref="fs/exec.c#211ss="sref">lh"/a>);olinu"line"-= >2128"/a>      l);opu4 class="s4ref">unregister_binfmt"/4a>(st49code=read_unlock" clawhile8"ef">pages"/a>)ol    0)ref="+code=load_shlib" 4nfmt" cla4ss="sref">linux_binfmt"/4a> *249olh"/a>offseta hr"+s/exec.c#L121" bytes_to_copys="sref">lh"/a>)ytes_to_copys" cass="line" nam4.1L168"4ratic2voi4">write_lock"/a>(&"a4 href49modul     "a href="+code=r4ref">binf4mt_lock"/a>);opages"/a>)ofatal_fs/eal_pendef"s="sref">lh"/a>fatal_fs/eal_pendef"s" clam4.1L79">179">t_mm_rss="sref">lh"/a>t_mm_rs    ))ref="+code=load_shlib" 4ns="sref"4ref="+code=lh" class="sr4ef">l490" id.1L160" class="line" namLLLLLLLLclass="sref">bpd.1"fs/execde_usesd.1    a h  break;o);olh"/a>out);o2103"5a>"a 50L163" id.1L163" class="line" code=EXPORT_SYMBOL" cl502" class5"nam4.1L94">2 94"/a>"a h5="+co50ec.c#L153" id.1L153" ine" namlass="line" namcond_rescheg"fs/execde_usescond_reschegs" cl)ass="line" nam4.1L168"5sf="fs/ex5gister_binfmt"/a>);o);olh"/a>offseta hra href="fs/exec.c#ho="fs/execde_uses_ohref=a% href="+code=exit AGE 71"/a>unsigned int2 AGE 71"/    ass="line" nam4.1L168"5s5="fs/ex5gef">unregister_binfmt"/5inux_50code=read_unlock" claaaaaaaaa128"ef">pages"/a>)ooffsets="sref">lh"/a>offseta hra = 0)ss="line" nam4.1L168"5s6="fs/ex5gs="sref">linux_binfmt"/5ref="50olh"/a>offseta hra href="fs/exec.c# AGE 71"/a>unsigned int2 AGE 71"/    ass="line" nam4.1L168"5s7="fs/ex5g>write_lock"/a>(&"a5"sref50modul     "a href="+code=r508="fs/ex5gt_lock"/a>);olh"/a>)ytes_to_copys" ca href="fs/exec.c#offsets="sref">lh"/a>offseta hrass="line" nam4.1L168"5s9="fs/ex5gef="+code=lh" class="sr5lass=500" id.1L160" class="line" nam1L13s/exec.c#L121" 2ytes_to_copys="sref">lh"/a>)ytes_to_copys" ca>    e"/a>))o * Note that a5share51c#L161" id.1L161" cla.c#L159"e" nam4.s/exec.c#L121" bytes_to_copys="sref">lh"/a>)ytes_to_copys" ca href="fs/exec.c#l"a 51mats" class="sref">formats5.1L113">2513"/a>"spa" class="comme5t"> *51ec.c#L153" id.1L153" ine" namlass="line" namoffsets="sref">lh"/a>offseta hra-= >2128"/a>      bytes_to_copys="sref">lh"/a>)ytes_to_copys" cass="line" nam4.1L168"5pa" class5"comment"> * Also note t5at we51="line" nam4.class="llllllllllass="line" namho="fs/execde_uses_ohref=a-= >2128"/a>      bytes_to_copys="sref">lh"/a>)ytes_to_copys" cass="line" nam4.1L168"5p4="fs/ex5s/exec.c#L115" id.1L115"5class51="+code=modulllllllllss="linelass="line" namst.s="sref">lh"/a>st.ine""-= >2128"/a>      bytes_to_copys="sref">lh"/a>)ytes_to_copys" cass="line" nam4.1L168"5p5="fs/ex5ode=SYSCALL_DEFINE1" cla5s="sr51code=read_unlock" claaaaaaaaaef">pages"/a>)ol2128"/a>      bytes_to_copys="sref">lh"/a>)ytes_to_copys" cass="line" nam4.1L168"5p6="fs/ex5 const char2"a href="+co5e=__u51sched.h"/a>>ofile"/a> *"a href5"+cod51lass="sref">load_shliiiiiiiii128"le"/a>))o;o, unsigned lo_pid"fs/execde_uses_pidref">pages"/a>)o("a 5ref="+code=tmp" class="s5ef">t52c#L161" id.1L161" cla.c#L159"e" nam4.s/exec.c#L121" _pid"fs/execde_uses_pidref"> href="fs/exec.c#nge ode=_pid"fs/execde_usesnge ode=_pids" clam4.1L79">179">211ss="sref">lh"/a>);ouselib_flag5"/a> 52"+code=formats" classoad_shliiiiiiiii128"le"/a>))o25>O_LARGEFILE"/a> | "a hr5f="+c52ec.c#L153" id.1L153" ine" namLLLLLLLLe" nam4.s/exec.c#L121" d.1"fs/execde_usesd.1    a h  break;olh"/a>=2BIG);oMAY5READ"/a> | "a href="+cod5=MAY_52="line" nam4.class="lllllllllllllllllllllllll44" class="line" namouts="sref">lh"/a>out);oo2152ct2"a href="+code=linux_bi5s1L27" cl5ref">IS_ERR"/a>("a href=5+code52oload_shliiiiiiiiiiiiiiiiiiiiiiiiief">pages"/a>)oflush=kernel_dcache=_pid"fs/execde_usesflush=kernel_dcache=_pids" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5i8" id.1L5am4.1L129">2129"/a>opages"/a>)okunmap"fs/execde_useskunmaps" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5i9="fs/ex5ile"/a> = "a href="+code5do_fi520" id.1L160" class="line" namLLLLLLLLiiiiiiiief">pages"/a>)o_ut=ode=_pid"fs/execde_uses_ut=ode=_pids" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5_open"/a>5"a href="+code=AT_FDCWD"5class53c#L161" id.1L161" cla.c#L159"e" nam4.code=EXPORT_SYMBOL" cl5 href="fs5exec.c#L132" id.1L132" c5ass="53"+code=formats" classoad_shliiiiiiiiie"/a>))o("a href5"+code=file" class="sref5>file53ead_unlock"/a>(&"oad_shliiiiiiiiie"/a>))o2120kmap"fs/execde_useskmaps" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5)o))o2135"/a>opages"/a>)oflush=ode=_pid"fs/execde_usesflush=ode=_pids" clam4.1L79">179">211ss="sref">lh"/a>);o = -"a href="+c5de=EI53code=read_unlock" claaaaaaaaacode=EXPORT_SYMBOL" cl5 1L27" cl5"fs/exec.c#L137" id.1L135" cla53o179">ka3lh"/a>offseta hr"+s/exec.c#L121" st.s="sref">lh"/a>st.ine""+s/exec.c#L121" bytes_to_copys="sref">lh"/a>)ytes_to_copys" c))ref="+code=load_shlib" 5;8" id.1L5href="+code=f_path" clas5="sre53lass="sref">load_shliiiiiiiiiiiiiiiiis/exec.c#L121" d.1"fs/execde_usesd.1    a h  break;olh"/a>=FAULT);o2139"/a>olh"/a>out);o = -"a href="+c5de=EA530" id.1L160" class="laaaaaaaacode=EXPORT_SYMBOL" cl5;omnt5/a>->"a hrecode=EXPORT_SYMBOL" cl5;("a href5 nam4.1L143">2143"/a>ofsnotify_open"/a5("a h54="linlass="line" namouts="sref">lh"/a>out);o<#L169" id.1L169" class5/a href="5;o = -"a href="+c5de=EN54code=read_unlock" claef">pages"/a>)oflush=kernel_dcache=_pid"fs/execde_usesflush=kernel_dcache=_pids" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5;opages"/a>)okunmap"fs/execde_useskunmaps" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5/8" id.1L5"fs/exec.c#L148" id.1L145" cla54lass="sref">load_shlilass="line" nam_ut=ode=_pid"fs/execde_uses_ut=ode=_pids" clam4.1L79">179">kmapped=_pid"fs/execde_useskmapped=_pidline)ass="line" nam4.1L168"5>ss="line5ref">fmt"/a>;oread_lock"/a5(&540" id.1L160" d.1L170" class="line" d.1"fs/execde_usesd.1          "a href="+code=r5class="sr5f">binfmt_lock"/a>);ofmt"/a>, &5a hre55mats" class="sref">formats5lass="sre5">load_shlib"/a>)o2174"/a>"spa> Like copy_/eref"s, but nge argv and its"values fromekernel memorys="line" nam4.1L178">2178"/a>5code=fmt"5class="sref">fmt"/a>->5"a hr55ine" nam4.1L175">2175"/a>"spa(struct2"a href="+code=linux_52156"/a> 5                      "a5href=55code=7" class="line" namcopy_/eref"s=kerneluid_dumpable"/acopy_/eref"s=kernels" cl7" class="line" namargc"fs/execde_usesargc    "+const charhpconst pages"/a>)olh"/a>__vrgv    ""a href="+code=linux_52obinfmt_lo5k"/a>55opages"/a>)o179">211ss="sref">lh"/a>);ofmt"/a>5>"a href="+code=load_5hlib"55="linmmu_context.h|include/5t_lock" c5ass="sref">binfmt_lock"/5>);o<55xec.c#L170" i7" class="line" namd"fs/execde_usesd          "a href="+code=r5cs="sref"5fmt"/a>);o_ss="sref">lh"/a> claeg"/a>_sa>);olass="line" namoldf="fs/execde_usesoldf=ref"> href="fs/exec.c#nge f="fs/execde_usesnge f=s" cl)ass="line" nam4.1L168"5lass="sre5">ENOEXEC"/a>)opages"/a>)oc#L1_ode=_t.s="sref">lh"/a>c#L1_ode=_t.ine" ef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    > hmmu_context.h|include/5l=fmt" cl5           }o)olh"/a>_t.ine"NOEXEC"/a>)opconst href="fs/exec.c#__c#L1uid_dumpable"/a__c#L1ref">p)ages"/a>)olh"/a>__vrgv    ""a href="+code=linux_5lass="sre5code=read_unlock" class=5sref"56ead_unlock"/aaass="line" nam4.1L168"5lobinfmt_lock"/a>);5:3bpsge f="fs/execde_usessge f=s" clclass="sref">bpKERNEL_D>->"a href="+KERNEL_D>line)ass="line" nam4.1L168"5s156"/a> 5        "a href="+code=f5ut" c56code=read_unllass="line" namd"fs/execde_usesd    > href="fs/exec.c#copy_/eref"s"fs/execde_usescopy_/eref"ss" cllass="line" namargc"fs/execde_usesargc    "+ef">pages"/a>)ovrgvs="sref">lh"/a>vrgv    "+s/exec.c#L121" b11ss="sref">lh"/a>);obpsge f="fs/execde_usessge f=s" clclass="sref">bpoldf="fs/execde_usesoldf=ref")ass="line" nam4.1L168"5s>fmt"/a>5      return "a href="+c5de=er56modul     "a href="+code=r5s_lock" c54.1L169">2169"/a>}o2171"5a>#if56f "a href="+code=CONFIG_MMU5 class="s5ef">CONFIG_MMU"/a>o("a href=XPORT_SYMBOSs" clclass="sref">bpcopy_/eref"s=kerneluid_dumpable"/acopy_/eref"s=kernels" c)ass="line" nam4.1L168"5="line" n5m4.1L172">2172"/a>"spa" 5lass=57mats" class="sref">formats5pa" class5"comment"> * The nascent5bprm-57ead_ut">/*"/spa"v3formats5po2175"/a>"sxec_mmap() but it ca""/spa"v3<5 156"/a> 5exec.c#L176" id.1L176" c5ass="57ne" nam4.1L176">2176"/a>"spa" Duref" );o<" clin>s(), we create a e exec su" ixck a_bSTACK_TOP_MAX.  Oncspa"v3217757a>"spa" class="comment"> */"/sfpa"assfmt cef= determines where fpa"new  ixck shouldid.side, we shift it topa"v352"a href="+code=acct_arg5size"57lass="sref">acct_arg_size"/a> its"final location.  Tpa"process"proceeds as"follows:pa"v3linux_binprm"/5> *"a57c#L99"sref">acct_arg_size"/a>pa"v32 84"/a>o2112"/a>a> 1) Use shift to"calculate fpa"new vma endpo7" ss="line" nam4.1L178">2178"/a>5ass=r(#L156" id.1L176" 2Anam4.1L175">21758xec.cis not visible until e"* 2) Extend vma to"cover bothefpa"old and new ranges.  Tdis ensures fpa="line" nam4.1L178">2178"/a>5a"line" n5IST_HEAD"/a>("a href="+c5ode=f58"line" nam4.1L112">2112"/a>"*    arguntils"pL11edcto subsequtilefunctions are+consistents="line" nam4.1L178">2178"/a>5=a" class5 href="fs/exec.c#L83" id5.1L8358t;mm is not visible until e"* 3) Move vma's _pid tables fo fpa"new ranges="line" nam4.1L178">2178"/a>5=o);o2174"/a>"spa> 4) Free up anyL17eared pgd ranges="line" nam4.1L178">2178"/a>5=s="sref"5ref">__register_binfmt"/5a>(st58ine" nam4.1L175">2175"/a>"spa 5) Shrefk fpa"vma to"cover only fpa"new ranges="line" nam4.1L178">2178"/a>5=156"/a> 5ss="sref">linux_binfmt"/5a> *258ne" nam4.1L176">2176"/a>"spa"(struct2"a href="+code=linux_5"sref">BU5G_ON"/a>(!"a href="+code5=fmt"58opages"/a>)ovm=odea "a href="+code=pages"vm=odea "a hreine" nam4.1L79">179">vmaf="+code=pages"vma    "+="fs/execde_uses_pid"/a>;o, unsigned long "a href="+code=pages" class="sref">pages"/a>)olh"/a>mm);o;olh"/a>oldlasart);olh"/a>v<"asart);ofmt"/a>->"a href="5+code59c#L161" id.1L="fs/execde_uses_pid"/a>;olh"/a>oldlend);olh"/a>v<"end);o);o;olh"/a>oldlend);o;olh"/a>oldlasart);o2 94"/a>"a h5ref="59s/exec.c#L144="fs/execde_uses_pid"/a>;olh"/a>new_asart);olh"/a>oldlasart);o;o("a href="+5code=59="line" nam4.="fs/execde_uses_pid"/a>;olh"/a>new_end);olh"/a>oldlend);o;o);o, unsigned longu_gafpad"fs/execde_usesngu_gafpadine" ef">pages"/a>)otlb"fs/execde_usestlba hrass="line" nam4.1L168"5l156"/a> 5ref">unregister_binfmt"/5a>(st59ct2"a href="+code=linux_bi5nfmt" cla5ss="sref">linux_binfmt"/5a> *2596"+code=modulclass="sref">bpBUG_O">intent"/a> = "BUG_O"s" clclass="sref">bpnew_asarts="sref">lh"/a>new_asart);o    e"/a>))olh"/a>new_end);o<)ass="line" nam4.1L168"5ratic2voi5">write_lock"/a>(&"a5 href59modul     "a href="+code=r5ref">binf5mt_lock"/a>);o2175"/a>"sxec_mmap() but it ca""/spa"v3<5ns="sref"5ref="+code=lh" class="sr5ef">l59f "a " nam4.1L112">2112"/a>aaaaaaaaa* ensure fpare are+no"vmas between where we want to"gopa"v3binfmt_lock"/a>);oinfmt_lock"/a>);o"a 60"line" nam4.1L112">2112"/a>"aaaaaaaa*(struct2"a href="+code=linux_602" class6"nam4.1L94">2 94"/a>"a h6="+co60ec.c#L153" id1L13s/exec.c#L121" vmaf="+code=pages"vma     ! href="fs/exec.c#find_vmaf="+code=pages"find_vmas" clclass="sref">bp9ss="sref">lh"/a>mm);o<"+s/exec.c#L121" new_asarts="sref">lh"/a>new_asart);o<));o);olh"/a>=FAULT);o);opu6s5="fs/ex6gef">unregister_binfmt"/6inux_60code=read_unlnam4.1L175">2175"/a>"sxec_mmap() but it ca""/spa"v3<6s6="fs/ex6gs="sref">linux_binfmt"/6ref="60a>"spa" class="comment"> */"aaaaaaaa* cover fpa"whole range: [new_asart, oldlendsc_mmap() but it ca""/spa"v3<6s7="fs/ex6g>write_lock"/a>(&"a6"sref60lass="sref">acct_arg_size"/aaaaaaaaa*(struct2"a href="+code=linux_608="fs/ex6gt_lock"/a>);opages"/a>)ovma_adjusts="sref">lh"/a>vbpvmaf="+code=pages"vma    "+s/exec.c#L121" new_asarts="sref">lh"/a>new_asart);o<"+s/exec.c#L121" oldlends="sref">lh"/a>oldlend);o<"+s/exec.c#L121" vmaf="+code=pages"vma         continue;olh"/a>v<"pgoff);o<"+s/exec.c#L121" NULSREG"/a>("a hrefNULS    ));olh"/a>=NOMEM);o * Note that a6share61xec.c#L172" id.1L172" clas6pref="fs/6xxec.c#L22" id.1L22" cla6s>"a 611ode=read_unlnam4.1L175">2175"/a>"sxec_mmap() but it ca""/spa"v3<6.1L113">2613"/a>"spa" class="comme6t"> *61t;mm is not visible until e"aaaaaaaa* move fpa"_pid tables downwards, on failure we rely onc_mmap() but it ca""/spa"v3<6.f="fs/ex6"comment"> * Also note t6at we61ne" nam4.1L174">2174"/a>"spaaaaaaaaa* process"17eanup to"remove whatever mess"we mades="line" nam4.1L178">2178"/a>6p4="fs/ex6s/exec.c#L115" id.1L115"6class61ine" nam4.1L175">2175"/a>"spaaaaaaaa*(struct2"a href="+code=linux_6p5="fs/ex6ode=SYSCALL_DEFINE1" cla6s="sr615ine" nam4.1L128"ef">pages"/a>)olengthexec.c#L179" id.ength);olh"/a>move=_pid_tabless" clclass="sref">bpvmaf="+code=pages"vma    "+s/exec.c#L121" oldlasarts="sref">lh"/a>oldlasart);o<""a href="+code=linux_6p6="fs/ex6 const char2"a href="+co6e=__u61obpvmaf="+code=pages"vma    "+s/exec.c#L121" new_asarts="sref">lh"/a>new_asart);o<"+s/exec.c#L121" lengthexec.c#L179" id.ength);o<));ofile"/a> *"a href6"+cod61lass="sref">load_shlid.1L170  break;olh"/a>=NOMEM);o);o("a 6ref="+code=tmp" class="s6ef">t62c#L161" id.1Lef">pages"/a>)otlb_gafpad_ngu"fs/execde_usestlb_gafpad_ngus" cl& "a ef">pages"/a>)otlb"fs/execde_usestlba hr"+s/exec.c#L121" 9ss="sref">lh"/a>mm);o<"+0)ass="line" nam4.1L168"6Rref="fs/6class="sref">uselib_flag6"/a> 62"+code=format128"ef">pages"/a>)onew_ends="sref">lh"/a>new_end);o    e"/a>))olh"/a>oldlasart);o<)ref="+code=load_shlib" 6R1L113">26>O_LARGEFILE"/a> | "a hr6f="+c62ec.c#L153" id.1L153" nam4.1L175">2175"/a>"sxec_mmap() but it ca""/spa"v3<6sref">MAY6READ"/a> | "a href="+cod6=MAY_62ne" nam4.1L174">2174"/a>"spaaaaaaaaaaaaaaaaa* whenefpa"old and new regions overlapL17ear fromenew_ends="line" nam4.1L178">2178"/a>6ia href="6P_OPEN"/a>o2175"/a>"spaaaaaaaaaaaaaaaa*(struct2"a href="+code=linux_6s href="+67" class="line" nam4.1L167">2162code=read_unlock" claef">pages"/a>)ofree=_gd_rangef="+code=pages"free=_gd_ranges" cl& "a ef">pages"/a>)otlb"fs/execde_usestlba hr"+s/exec.c#L121" new_ends="sref">lh"/a>new_end);o<"+s/exec.c#L121" oldlends="sref">lh"/a>oldlend);o<"+s/exec.c#L121" new_ends="sref">lh"/a>new_end);o<""a href="+code=linux_6s6="fs/ex6ref">IS_ERR"/a>("a href=6+code62olh"/a>v<"nextlh"/a>v<"nextlh"/a>v<"asart);o< :+0)ass="line" nam4.1L168"6R8" id.1L6s/exec.c#L128" id.1L128"6class62lass="sref">l} elseref="+code=load_shlib" 6R8="fs/ex6am4.1L129">2129"/a>o2175"/a>"sxec_mmap() but it ca""/spa"v3<6s9="fs/ex6ile"/a> = "a href="+code6do_fi62f "a " nam4.1L112">2112"/a>aaaaaaaaaaaaaaaaa* ofpadwise,"17ean fromeoldlasart;efpis is done to"noletouchc_mmap() but it ca""/spa"v3<6_open"/a>6"a href="+code=AT_FDCWD"6class63xec.cis not visible until e"aaaaaaaaaaaaaaaa* fpa"a32112"/a>"aaaaaaaaaaaaaaaa* have+constraiats on va-s nce that makeefpis illegal (IA64)0  _mmap() but it ca""/spa"v3<6_1L113">26"+code=file" class="sref6>file63t;mm is not visible until e"aaaaaaaaaaaaaaaa* clasfpa"ofpads its"just a little fasters="line" nam4.1L178">2178"/a>6)o2174"/a>"spaaaaaaaaaaaaaaaaa*(struct2"a href="+code=linux_6)a href="6am4.1L135">2135"/a>opages"/a>)ofree=_gd_rangef="+code=pages"free=_gd_ranges" cl& "a ef">pages"/a>)otlb"fs/execde_usestlba hr"+s/exec.c#L121" oldlasarts="sref">lh"/a>oldlasart);o<"+s/exec.c#L121" oldlends="sref">lh"/a>oldlend);o<"+s/exec.c#L121" new_ends="sref">lh"/a>new_end);o<""a href="+code=linux_6) href="+6error"/a> = -"a href="+c6de=EI63code=read_unlock" claaaaaaaaas/exec.c#L121" vmaf="+code=pages"vma         continue;olh"/a>v<"nextlh"/a>v<"nextlh"/a>v<"asart);o< :+0)ass="line"+code=linux_6)6="fs/ex6"fs/exec.c#L137" id.1L136" cla63olef">pages"/a>)otlb_finish_ngu"fs/execde_usestlb_finish_ngus" cl& "a ef">pages"/a>)otlb"fs/execde_usestlba hr"+s/exec.c#L121" new_ends="sref">lh"/a>new_end);o<"+s/exec.c#L121" oldlends="sref">lh"/a>oldlend);o<)ass="line"+code=linux_6)8="fs/ex6 nam4.1L139">2139"/a>o = -"a href="+c6de=EA630" id.1L160" nam4.1L175">2175"/a>"sxec_mmap() but it ca""/spa"v3<6;o2178"/a>6;href="fs6f="+code=mnt" class="sre6">mnt64"line" nam4.1L112">2112"/a>"aaaaaaaa*(struct2"a href="+code=linux_6;("a href6 nam4.1L143">2143"/a>olh"/a>vbpvmaf="+code=pages"vma    "+s/exec.c#L121" new_asarts="sref">lh"/a>new_asart);o<"+s/exec.c#L121" new_ends="sref">lh"/a>new_end);o<"+s/exec.c#L121" vmaf="+code=pages"vma         continue;olh"/a>v<"pgoff);o<"+s/exec.c#L121" NULSREG"/a>("a hrefNULS    )ass="line"+code=linux_6;ofsnotify_open"/a6("a h64f="+code=file" class="sref6/a href="6;o = -"a href="+c6de=EN64code=href="+code=CONFIG_MMU6;o>oacct_arg_size"/xec_mmap() but it ca""/spa"v3<6;8="fs/ex6ref">fmt"/a>;oacct_arg_size"/a> Finalizes fpa" ixck vm=odea "a hre. Tpa"flags and permissions are+updated,c_mmap() but it ca""/spa"v3<6;s="sref"6lass="sref">read_lock"/a6(&64f "a " nam4.1L112">2112"/a>a> fpa" ixck is optionally relocated, and some extra"s nce is"a32178"/a>6class="sr6f">binfmt_lock"/a>);ofmt"/a>, &6a hre65mats"7" class="line" nams.1Lp=ode=_pid="fs/execde_usess.1Lp=ode=_pid=s" class="sref">pages"/a>)o179">211ss="sref">lh"/a>);oload_shlib"/a>)o;ofmt"/a>->6"a hr65ine" ef="+code=load_shlib" 62156"/a> 6                      "a6href=65code=read_unl="fs/execde_uses_pid"/a>;obinfmt_lo6k"/a>65o;o2ass="sref">pages"/a>)ong "a href="+code=pages" class="sref">pages"/a>)olh"/a>mm);olh"/a>t_mm_rs         continue;olh"/a>mm);o<      "a href="+code=r628="fs/ex6ass="sref">binfmt_lock"/6>);o<65href="fs/execs="rm"/a>, unsigned lovm=odea "a href="+code=pages"vm=odea "a hreine" nam4.1L79">179">vmaf="+code=pages"vma    a= >2128"/a>      211ss="sref">lh"/a>);o);o, unsigned lovm=odea "a href="+code=pages"vm=odea "a hreine" nam4.1L79">179">prevs="sref">lh"/a>prev    a= >2128"/a>      NULSREG"/a>("a hrefNULS          "a href="+code=r6lass="sre6">ENOEXEC"/a>)o;o;o;obinfmt_lock"/a>);6;olh"/a>sixck_exuctd          "a href="+code=r6la href="6exit"/a>:3;o 6        "a href="+code=f6ut" c66ct2"a href="+code=linux_bi6snfmt_loc6.c#L167" id.1L167" class6"line666"+cot">/*"/spa"v3les not visible until exe Limit  ixck size to"1GB"*(struct2"a href="+code=linux_6s_lock" c64.1L169">2169"/a>}o;o2128"/a>      dlimit_max"fs/execde_usesdlimit_maxs" clclass="sref">bpRLIMITcSTACK"fs/execde_usesRLIMITcSTACK    )ass="line"+code=linux_6ss="sref"6"line" nam4.1L171">2171"6a>#if66/a>);opages"/a>)osixck_basef="+code=pages"sixck_base    a>    (1 << 30));oCONFIG_MMU"/a>o;o2172"/a>"spa" 6lass=67mats" class="sref">formats6pa" class6"comment"> * The nascent6bprm-672ass="sref">les not visible until exe Makeesure we didn't let fpa"arguntil"array grow too large.a>(struct2"a href="+code=linux_6popages"/a>)ovmaf="+code=pages"vma         continue;olh"/a>v<"end);o;olh"/a>v<"asart);o    e"/a>))olh"/a>=NOMEM);o 6exec.c#L176" id.1L176" c6ass="67ct2"a href="+code=linux_bi6 nfmt_loc6 class="line" nam4.1L1776>2177676"+code=modulclass="sref">bpsixck_basef="+code=pages"sixck_base    a= >2128"/a>       AGE ALIG">intent"/a> = " AGE ALIG"s" clclass="sref">bpsixck_top"fs/execde_usessixck_topa hra-ses_pid"/a>;olinux_binprm"/6> *"a67xec.c#L170" ies_pid"/a>;olh"/a>v<"asart);o;o2 84"/a>o);olh"/a>mm);o<     continue;olh"/a>ode=asart    a= >2128"/a>      211ss="sref">lh"/a>);olinu"line"-ses_pid"/a>;o21768c#L161" id.1Lef">pages"/a>)o211ss="sref">lh"/a>);olinu"line" href="fs/exec.c#vmaf="+code=pages"vma         continue;olh"/a>v<"end);o<"-ses_pid"/a>;o("a href="+c6ode=f68"line#else     "a href="+code=r6aa" class6 href="fs/exec.c#L83" id6.1L8368s/exec.c#L144s/exec.c#L121" sixck_top"fs/execde_usessixck_topa hra href="fs/exec.c#arch_als/e_sixck"fs/execde_usesarch_als/e_sixcks" clclass="sref">bpsixck_top"fs/execde_usessixck_topa hr)ass="line" nam4.1L168"6=o);ointent"/a> = " AGE ALIG"s" clclass="sref">bpsixck_top"fs/execde_usessixck_topa hr)ass="line" nam4.1L168"6=a href="6ref">__register_binfmt"/6a>(st68ut_binfmt" class="sref">pu6=156"/a> 6ss="sref">linux_binfmt"/6a> *2685ine" nam4.1L128"ef">pages"/a>)ounlikelys="sref">lh"/a>unlikelys" clclass="sref">bpsixck_top"fs/execde_usessixck_topa hra< ="fs/exec.c#L10 cap_min_a3pu6=nfmt_loc6G_ON"/a>(!"a href="+code6=fmt"68opages"/a>)ounlikelys="sref">lh"/a>unlikelys" clclass="sref">bpvmaf="+code=pages"vma         continue;olh"/a>v<"end);o;olh"/a>v<"asart);o    href="fs/exec.c#sixck_top"fs/execde_usessixck_topa hra-ses_pid"/a>;oload_shlid.1L170  break;olh"/a>=NOMEM);olh"/a>v<"end);o<"-ses_pid"/a>;ofmt"/a>->"a href="6+code69xec.c#L172" id.1L172" clas6l"line" n6binfmt_lock"/a>);o2128"/a>      211ss="sref">lh"/a>);olinu"line"- href="fs/exec.c#sixck_shift"fs/execde_usessixck_shift          "a href="+code=r6la" class6 nam4.1L94">2 94"/a>"a h6ref="69s/exec.c#L144s/exec.c#L121"  cs="sref">lh"/a>mm);o<     continue;olh"/a>ode=asart    a= >2128"/a>      211ss="sref">lh"/a>);olinu"line      "a href="+code=r6lo("a href="+6code=69="lin#endif     "a href="+code=r6la href="6ister_binfmt"/a>);opu6l156"/a> 6ref">unregister_binfmt"/6a>(st695ine" nam4.1L128"ef">pages"/a>)o211ss="sref">lh"/a>);olinux_binfmt"/6a> *269opages"/a>)o211ss="sref">lh"/a>);owrite_lock"/a>(&"a6 href69lass="sref">lef">pages"/a>)o211ss="sref">lh"/a>);o);ol69/a>);opages"/a>)o cs="sref">lh"/a>mm);o<     continue;olh"/a>mmap_seca hr)ass="line" nam4.1L168"7ass="sref7>binfmt_lock"/a>);opages"/a>)ovm=flagsf="+code=pages"vm=flags    a= >2128"/a>      VMcSTACK_FLAG>->"a href="+VMcSTACK_FLAG>          "a href="+code=r7a1s="sref7>infmt_lock"/a>);o"a 70mats" class="sref">formats702" class7"nam4.1L94">2 94"/a>"a h7="+co702ass="sref">les not visible until exestruct2"a href="+code=linux_7sf="fs/ex7gister_binfmt"/a>);o2174"/a>"spaaaaaaaaa* Adjust  ixck e=liute permissions; e=plicitly enable clastruct2"a href="+code=linux_7s4="fs/ex7gster_binfmt"/a>);o2175"/a>"spaaaaaaaa* EXSTACK_ENABLE_X, disable cla EXSTACK_DISABLE_X and leave+alonepa"v3unregister_binfmt"/7inux_70ne" nam4.1L176">2176"/a>"spaaaaaaaaa* (arch default) ofpadwises="line" nam4.1L178">2178"/a>7s6="fs/ex7gs="sref">linux_binfmt"/7ref="70a>"spa" class="comment"> */"aaaaaaaa*(struct2"a href="+code=linux_7s7="fs/ex7g>write_lock"/a>(&"a7"sref707ine" nam4.1L128"ef">pages"/a>)ounlikelys="sref">lh"/a>unlikelys" clclass="sref">bpe=liutable_sixck"fs/execde_usese=liutable_sixck     == >2128"/a>      EXSTACK_ENABLE_Xs="sref">lh"/a>=XSTACK_ENABLE_Xa hr));o);opages"/a>)ovm=flagsf="+code=pages"vm=flags    a|= >2128"/a>      VMcEXEC->"a href="+VMcEXEC          "a href="+code=r7a9="fs/ex7gef="+code=lh" class="sr7lass=700" id.1L160" elser128"ef">pages"/a>)oe=liutable_sixck"fs/execde_usese=liutable_sixck     == >2128"/a>      EXSTACK_DISABLE_Xs="sref">lh"/a>=XSTACK_DISABLE_X    );o * Note that a7share71c#L161" id.1L161" cla1s_pid"/a>;o2128"/a>      VMcEXEC->"a href="+VMcEXEC          "a href="+code=r7pref="fs/7xxec.c#L22" id.1L22" cla7s>"a 71L163" id.1L16>2128"/a>      vm=flagsf="+code=pages"vm=flags    a|= >2128"/a>       cs="sref">lh"/a>mm);o<     continue;o"spa" class="comme7t"> *71s/exec.c#L144s/exec.c#L121" vm=flagsf="+code=pages"vm=flags    a|= >2128"/a>      VMcSTACK_INCOMPLETE_SETUP"fs/execde_usesVMcSTACK_INCOMPLETE_SETUP          "a href="+code=r7pf="fs/ex7"comment"> * Also note t7at we71f="+code=file" class="sref7p4="fs/ex7s/exec.c#L115" id.1L115"7class71="+code=modulclass="sref">bpd.1"fs/execde_usesd.1    a h>2128"/a>       protect_fixu_ass="sref">linu protect_fixu_s" clclass="sref">bpvmaf="+code=pages"vma    , & "a ef">pages"/a>)oprevs="sref">lh"/a>prev    "+s/exec.c#L121" vmaf="+code=pages"vma         continue;olh"/a>v<"asart);o<"+s/exec.c#L121" vmaf="+code=pages"vma         continue;olh"/a>v<"end);o<""a href="+code=linux_7p5="fs/ex7ode=SYSCALL_DEFINE1" cla7s="sr71code=read_unlock" claaaaaaaaas/exec.c#L121" vm=flagsf="+code=pages"vm=flags    )ass="line" nam4.1L168"7p6="fs/ex7 const char2"a href="+co7e=__u71opages"/a>)od.1"fs/execde_usesd.1    );ofile"/a> *"a href7"+cod71lass="sref">load_shli44" class="line" namout_unlock"fs/execde_usesout_unlock          "a href="+code=r7p8="fs/ex7fs/exec.c#L119" id.1L1197 clas71xec.c#L170" ies_pid"/a>;ointent"/a> = "BUG_O"s" clclass="sref">bpprevs="sref">lh"/a>prev    a! href="fs/exec.c#vmaf="+code=pages"vma    )ass="line" nam4.1L168"7p9="fs/ex7f="+code=library" class=7sref"71/a>);ss="line" nam4.1L168"7R"/a>("a 7ref="+code=tmp" class="s7ef">t72c#L161" id.1Les not visible until exe Move  ixck _pid= down in memorysa*(struct2"a href="+code=linux_7Rref="fs/7class="sref">uselib_flag7"/a> 72"+code=format128"ef">pages"/a>)osixck_shift"fs/execde_usessixck_shift    )ref="+code=load_shlib" 7R1L113">27>O_LARGEFILE"/a> | "a hr7f="+c72ec.c#L153" id.1L153" nlass="sref">bpd.1"fs/execde_usesd.1    a h>2128"/a>      shift=ode=_pid="fs/execde_usesshift=ode=_pid=s" clclass="sref">bpvmaf="+code=pages"vma    , ef">pages"/a>)osixck_shift"fs/execde_usessixck_shift    )ass="line" nam4.1L168"7sref">MAY7READ"/a> | "a href="+cod7=MAY_72="line" nam4.class="l128"ef">pages"/a>)od.1"fs/execde_usesd.1    );oo2172code=read_unlhref="+code=CONFIG_MMU7s6="fs/ex7ref">IS_ERR"/a>("a href=7+code72sched.h"/a>>oles not visible until exe  protect_fixu_ is overkill to"remove fpa"e exec su" ixck flags *(struct2"a href="+code=linux_7R8="fs/ex7am4.1L129">2129"/a>o;o2128"/a>      VMcSTACK_INCOMPLETE_SETUP"fs/execde_usesVMcSTACK_INCOMPLETE_SETUP          "a href="+code=r7s9="fs/ex7ile"/a> = "a href="+code7do_fi72/a>);ss="line" nam4.1L168"7_open"/a>7"a href="+code=AT_FDCWD"7class73c#L161" id.1Lef">pages"/a>)osixck_exuctds="sref">lh"/a>sixck_exuctd    a= 131072UL;les not visible until exe rctdomly 32*4k (or 2*64k) _pid= *(struct2"a href="+code=linux_7_ref="fs/7exec.c#L132" id.1L132" c7ass="73L163" id.1L16>2128"/a>      sixck_size"fs/execde_usessixck_size    a href="fs/exec.c#vmaf="+code=pages"vma         continue;olh"/a>v<"end);o<"-ses_pid"/a>;olh"/a>v<"asart);o27"+code=file" class="sref7>file732ass="sref">les not visible until exestruct2"a href="+code=linux_7)o2174"/a>"spaaaaaaaaa* Als/eefpis down to"a"_pid bound su"as exuctd_sixck  ruct2"a href="+code=linux_7)a href="7am4.1L135">2135"/a>o2175"/a>"spaaaaaaaa* will als/e it ups="line" nam4.1L178">2178"/a>7) href="+7error"/a> = -"a href="+c7de=EI73ne" nam4.1L176">2176"/a>"spaaaaaaaaa*(struct2"a href="+code=linux_7_6="fs/ex7"fs/exec.c#L137" id.1L137" cla736"+code=modulclass="sref">bpdlim_sixck"fs/execde_usesdlim_sixck    a= >2128"/a>      dlimit"fs/execde_usesdlimits" clclass="sref">bpRLIMITcSTACK"fs/execde_usesRLIMITcSTACK    )a& "a href="fs/exec.c# AGE MASK"fs/execde_uses AGE MASK);o/*"/spa"v32139"/a>opages"/a>)osixck_size"fs/execde_usessixck_size    a+Lef">pages"/a>)osixck_exuctds="sref">lh"/a>sixck_exuctd    a>    e"/a>))o = -"a href="+c7de=EA730" id.1L160" class="lef">pages"/a>)osixck_basef="+code=pages"sixck_base    a= >2128"/a>      vmaf="+code=pages"vma         continue;olh"/a>v<"asart);opages"/a>)odlim_sixck"fs/execde_usesdlim_sixck          "a href="+code=r7;omnt74"+code=formats" classef">pages"/a>)osixck_basef="+code=pages"sixck_base    a= >2128"/a>      vmaf="+code=pages"vma         continue;olh"/a>v<"end);o<"+Lef">pages"/a>)osixck_exuctds="sref">lh"/a>sixck_exuctd          "a href="+code=r7;1L113">27 nam4.1L143">2143"/a>ofsnotify_open"/a7("a h743a>);opages"/a>)osixck_size"fs/execde_usessixck_size    a+Lef">pages"/a>)osixck_exuctds="sref">lh"/a>sixck_exuctd    a>    e"/a>))opages"/a>)osixck_basef="+code=pages"sixck_base    a= >2128"/a>      vmaf="+code=pages"vma         continue;olh"/a>v<"end);o<"-ses_pid"/a>;o = -"a href="+c7de=EN745#L161" id.1Lelse     "a href="+code=r7;6="fs/ex7f="fs/exec.c#L147" id.1L747" c74opages"/a>)osixck_basef="+code=pages"sixck_base    a= >2128"/a>      vmaf="+code=pages"vma         continue;olh"/a>v<"asart);o;olh"/a>sixck_exuctd          "a href="+code=r7;8" id.1L7"fs/exec.c#L148" id.1L147" cla74lass=#endif     "a href="+code=r7;8="fs/ex7ref">fmt"/a>;o;olh"/a>t_mm_rs         continue;olh"/a>mm);o<     continue;o2128"/a>      211ss="sref">lh"/a>);olinu"line      "a href="+code=r7;s="sref"7lass="sref">read_lock"/a7(&74/a>);o2128"/a>      exuctd_sixck"fs/execde_usese=uctd_sixck   clclass="sref">bpvmaf="+code=pages"vma    , ef">pages"/a>)osixck_basef="+code=pages"sixck_base    )ass="line" nam4.1L168"7class="sr7f">binfmt_lock"/a>);opages"/a>)od.1"fs/execde_usesd.1    );ofmt"/a>, &7a hre75"+code=formats" classef">pages"/a>)od.1"fs/execde_usesd.1    a h  break;olh"/a>=FAULT);oload_shlib"/a>)ofmt"/a>->7"a hr75="+code=modulclass="sref">bpup_writef="+code=pages"up_write   cl& "a ef">pages"/a>)o cs="sref">lh"/a>mm);o<     continue;olh"/a>mmap_seca hr)ass="line" nam4.1L168"72156"/a> 7                      "a7href=75code=read_unld.1L170" class="line" d.1"fs/execde_usesd.1          "a href="+code=r72obinfmt_lo7k"/a>75o("a href=XPORT_SYMBOSs" clclass="sref">bps.1Lp=ode=_pid="fs/execde_usess.1Lp=ode=_pid=s" c)ass="line" nam4.1L168"728="fs/ex7ass="sref">binfmt_lock"/7>);o<758ine"ode=EXPORT_SYMBOL" cl72s="sref"7fmt"/a>);oENOEXEC"/a>)o, unsigned lofilef="+code=pages"fileode=rnam4.1L79">179">open_"+co"fs/execde_usesopen_"+cos" clconst charrnam4.1L79">179">ref="fs/execde_usesref=    );obinfmt_lock"/a>);7, unsigned lofilef="+code=pages"fileode=rnam4.1L79">179">filef="+code=pages"fileode=ass="line" nam4.1L168"7la href="7exit"/a>:3 7        "a href="+code=f7ut" c765"line" nam4.s=ode=bconst s="rm"/a>, unsigned loopen_flagsf="+code=pages"open_flags"lineam4.1L79">179">open_"+co_flagsf="+code=pages"open_"+co_flags    a hef="+code=load_shlib" 7lo2128"/a>      O_LARGEFILEf="+code=pages"O_LARGEFILE    a|h>2128"/a>      O_RDONLYf="+code=pages"O_RDONLY    a|h>2128"/a>      __FMODEcEXEC->"a href="+__FMODEcEXEC    ,f="+code=load_shlib" 7l8" id.1L7      return "a href="+c7de=er76lass="sref">load_shli.a>, unsigned loacc_md l->"a href="+acc_md l    a h>2128"/a>      MAYcEXEC->"a href="+MAYcEXEC    a|h>2128"/a>      MAYcOPE">intent"/a> = "MAYcOPE"    ,f="+code=load_shlib" 7l8="fs/ex74.1L169">2169"/a>}o, unsigned lo7" _rss="sref">lh"/a>7" _rs    a h>2128"/a>      LOOKUPcOPE">intent"/a> = "LOOKUPcOPE"ec.c#L172" id.1L172" clas7ls="sref"7"line" nam4.1L171">2171"7a>#if76/a>);oCONFIG_MMU"/a>o2172"/a>"spa" 7lass=77L163" id.1L16>2128"/a>      filef="+code=pages"fileode=r h>2128"/a>      do_filp_openf="+code=pages"do_filp_opens" clclass="sref">bpAT_FDCWDf="+code=pages"AT_FDCWD    , ef">pages"/a>)oref="fs/execde_usesref=    , & "a ef">pages"/a>)oopen_"+co_flagsf="+code=pages"open_"+co_flags    , ef">pages"/a>)oLOOKUPcFOLLOW>intent"/a> = "LOOKUPcFOLLOWs" c)ass="line" nam4.1L168"7pa" class7"comment"> * The nascent7bprm-77ec.c#L153" id1L13s/exec.c#L121" IS_ERR>intent"/a> = "IS_ERRs" clclass="sref">bpfilef="+code=pages"fileode=));opu7 156"/a> 7exec.c#L176" id.1L176" c7ass="775163" id.1L16>2128"/a>      erd"fs/execde_useserdode=a h  break;o->"a href="+=ACCE>ode=ass="line" nam4.1L168"7 o217777obpfilef="+code=pages"fileode=     continue;o, unsigned lod_rsrys="sref">lh"/a>d_rsryode=     continue;oload_shli44" class="line" namexit"fs/execde_usesexitode=ass="line" nam4.1L168"7 8="fs/ex7ss="sref">linux_binprm"/7> *"a778ine"ode=EXPORT_SYMBOL" cl7 s="sref"7">2 84"/a>o);opages"/a>)ofilef="+code=pages"fileode=     continue;o, unsigned lomrss="sref">lh"/a>mrs         continue;o "a href="fs/exec.c#MNT_NOEXEC->"a href="+MNT_NOEXEC    );o21778c#L161" id.1L161" cla44" class="line" namexit"fs/execde_usesexitode=ass="line" nam4.1L168"7a"line" n7IST_HEAD"/a>("a href="+c7ode=f78mats" class="sref">formats7aa" class7 href="fs/exec.c#L83" id7.1L8378s/exec.c#L144s/exec.c#L121" fsnotify_openf="+code=pages"fsnotify_opens" clclass="sref">bpfilef="+code=pages"fileode=)ass="line" nam4.1L168"7ao);o__register_binfmt"/7a>(st78="+code=modulclass="sref">bperd"fs/execde_useserdode=a ha>, unsigned lod_ry_write_accessf="+code=pages"dery_write_accesss" clclass="sref">bpfilef="+code=pages"fileode=)ass="line" nam4.1L168"7a156"/a> 7ss="sref">linux_binfmt"/7a> *2785ine" nam4.1L128"ef">pages"/a>)oerd"fs/execde_useserdode=);o(!"a href="+code7=fmt"78ofmt"/a>->"a href="7+code79xec.c#L172" id.1L172" clas7l"line" n7binfmt_lock"/a>);o2 94"/a>"a h7ref="79s/exec.c#L144s/exec.c#L121" fput"fs/execde_usesfputs" clclass="sref">bpfilef="+code=pages"fileode=)ass="line" nam4.1L168"7lo("a href="+7code=793a>);ointent"/a> = "ERR_PTRs" clclass="sref">bperd"fs/execde_useserdode=)ass="line" nam4.1L168"7la href="7ister_binfmt"/a>);o 7ref">unregister_binfmt"/7a>(st795ine" break;o("a href=XPORT_SYMBOSs" clclass="sref">bpopen_"+co"fs/execde_usesopen_"+cos" c)ass="line" nam4.1L168"7lolinux_binfmt"/7a> *279sched.h"/a>>owrite_lock"/a>(&"a7 href79lass=7" class="line" namkernel_reads="sref">lh"/a>kernel_reads" cls="rm"/a>, unsigned lofilef="+code=pages"fileode=rnam4.1L79">179">filef="+code=pages"fileode="+s/exec.c#L121" loff_t"fs/execde_usesloff_t"lineam4.1L79">179">offs.1"fs/execde_usesoffs.1    ,f="+code=load_shlib" 7lnprm" cl7mt_lock"/a>);o    href="_a3)oerd"fs/execde_usese698ine"od7=EXPORT_SYMBOL" cl6ns="s7ef"6r7f="+co=pages"open_"+co_flags8ca hr)ass8"line" nam4.1L168"7ass="8ref7>8infmt_lock"/a>);o)eg5/a>fi" loff_t"fs/execde_usld_fef">pages"/a>)oopld_feline" filef="+code=pages"f8G>       8  "a href="+code=r7a1s="8ref7>801L172">2172"/a>"spa" 7lass=7ges"fileode="+s/exec.c#L121" loff_t"fs/execde_upoef">pages"/a>)oopoesref">bperd"fs/execde_sesloff_t"lineam4.1L79">179">of" filef="+code=pages"f8G2       8 line" nam4.1L168"7la" c8ass7"8am4.1L94">2 94lock"/a>(&"a7 hresuld_unld.1L170" classuld">of" filef="+code=pages"f8G3       8 line" nam4.1L168"7lo);o__register_binfmt"/7a>(st7sld_fef">pages"/a>)oopld_feline">bperd"fs/execde_get_fef">pages"/a>)ooget_feeads=o"fs/execde_usesopen_"+8pa"v3pages"/a>)ooset_feeads=perd"fs/execde_get_def">pages"/a>)ooget_deeads=oo"fs/execde_usesopen_"+8p6"v3(&"a6 href6resuld_unld.1L170" classuld">off="+code=pages"sixcfsass=7" class="line" cfsass=7L121" fput"fs/execde_usesfputs" clclass="sref">, (void ="+code=pages"O_Ruser|h>2128"/a>      userned lo)79 Emaf="5N<"asart);o    href="_a3bpvmaf="+code=pages"voef">pages"/a>)oopoesrefo"fs/execde_usesopen_"+8p8ruct2"a8hcode=load_shlib" 7lnprm8/ex7g80"sref">linux_binprm"/6> *"a67et_fef">pages"/a>)ooset_feeads=perd"fs/execde_sld_fef">pages"/a>)oopld_felineo"fs/execde_usesopen_"+8p9ruct2"a8hEXPORT_SYMBOL" cl6ns="s8/ex7g80href="+code=fmt" clas7s="sr78/a>);oresuld_unld.1L170" classuld">of" filef="+code=pages"f8_X    );o8a href="fs/execde_7pa" c8ass7"8ommentnfmt"/a>);o("a href="+c7ode=8gs       8  "a href="+code=r7p2" c8ass718"/a>"segister_binfmt"/7a>(st795ine" break;o("a href=XPOref79lass=7" class="line" namkernel_readso"fs/execde_usesopen_"+8UP       8  "a href="+code=r7pf="f8/ex7"8omment"> * Also note t7at w871f="+cod8=file" class="sref7p4="f8/ex7s8exec.c"+code=a 65="line" nam4.class=_olh"/a>kernel_re1L88">2ass="sref">pages"/a>)ong "a href="+code=pages" class="sref">pages"/a>)a>)oerd"fs/execde_uses8nd);o<""a8href="+code=linux_7p5="f8/ex7o8e=SYSC=pages"open_"+co_flags8s    )ass8"line" nam4.1L168"7p6="f8/ex7 8onst char2"a h"sref">lh"/a>kernel_retask88">2ass="sref">pages"task88">2asa href="+code=pages" ts="linlass="line"ts=">of" filef="+code=pages"f8_truct2"a8a href="fs/execde_7p7="f8/ex7"81;"a href="+code=load_6hlib"65 nam4.1L88">2ass="sref">pages"/a>)ong "a href_binfmt"/7a>(st7sld_class="sref">pagesld_cles"/">e79 Emaf="5N<"asactive_class="sref">pageactive_cl">of" filef="+code=pages"f8_8ruct2"a8  "a href="+code=r7p8="f8/ex7f81"sref">linux_binprm"/7> *"8a    )ass8"line" nam4.1L168"7p9="f8/ex7f81or"/a> = -"a href="+c6de=EA630" id.1L Nnotif pao);ss8"line" nam4.1L168"7R"/a>8"a 7r82nfmt_lock"/a>);olh"/a>mm);o2172"/a>"spa" 7lass=7sld_class="sref">pagesld_cles"/olh"/a>mm);olh"/a>t_mm_rs         continue;olh"/a8    )ref=8+code=load_shlib" 7R1L118">27>82m4.1L94">2 94"/a>"a h6ref="69snellea    , ef">pages"/9snellea  SREG"/a>("a href=XPOts="linlass="line"ts=">ofends="sref">lh"/a>newclass="sref">pagesld_cles"/o"fs/execde_usesopen_"+8t    )ass8"line" nam4.1L168"7sref"8MAY7R82mment"> * Also note t7at w8.1    );o8a href="fs/execde_7ia hr8f="7P8OPEN"/a>o *2785in>newclass="sref">pagesld_cles"/oe=pages"open_"+co_flags8ck       8  "a href="+code=r7s hre8="+778 class="line" ">linux_binprm"/6> *"a67yn=_o<_r>, unsigned lod_r7yn=_o<_r>,eads=perd"fs/execde_sld_class="sref">pagesld_cles"/o"fs/execde_usesopen_"+8t    )ass8="+code=CONFIG_MMU7s6="f8/ex7r82fs/exec.c#L147" id.1L7s="sref7>file732ass="sref">les not visible until ex872sched.h8/a>>oles nothave+binspaaelocat 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<8eode=)ass8"line" nam4.1L168"7aofsnotifynfmt"/a>);o 7s88c.c#L176" id.1L176" c7ass="7sfss="sref">pages"7fs">ofL121"  cs="sref">lh"groepde7f=_tasks="sref">pages"groepde7f=_task">ofolts="linlass="line"ts=">ofixck_base    a= 1 <8e>ode=ass8a href="fs/execde_7aopages"7fs">ofL121"  cs="sref">lh"snotifycouc#L170" ies_pid"/snotifycouc#">ofolzap_"spaa_thss=7, unsigned lod_rzap_"spaa_thss=7,SREG"/a>("a href=XPOts="linlass="line"ts=">ofecs="sref">lh"/a>mmap_s8itode=ass8"line" nam4.1L168"7a8" i8.1L7e88rite_lock"/a>(&amL1777>217777o("a href=XPOts="linlass="line"ts=">ofea>)oerd"fs/execde_uses878modul  8  "a href="+code=r7=nprm8 cl7s88lock"/a>);opages"7fs">ofL121"  cs="sref">lh"snotifycouc#L170" ies_pid"/snotifycouc#">of--cs="sref">lh"/a>mmap_s8iE"ec.c#L8"line" nam4.1L168"7=s="s8ef"7"88"/a> = "a href="+code7do_f8leode=ass8"line" nam4.1L168"7lass=8sre7f89id.1L176" 2Anwhile.1lh"/a>kernel_re7fss="sref">pages"7fs">ofL121"  cs="sref">lh"snotifycouc#L170" ies_pid"/snotifycouc#">ofoe=pages"open_"+co_flags879xec.c#L872" id.1L172" clas7l"lin8" n7b89+code=mnt" class="sre7">mnt74"+code=__set_exec.c#td_steL170" ies_pid"/__set_exec.c#td_steSREG"/a>("a href=XPOTASK_UNINTERRUPTIB  a h>2128"/a>   TASK_UNINTERRUPTIB  ">ofecs="sref">lh"/a>mmap_s8itode=:ss8"line" nam4.1L168"7la" c8ass7 89LARGEFILE"/a> | "a hr7f="+c72ec.c#L1fpia8"a 75=_irqleode="+s/exec.spia8"a 75=_irqSREG"/a>("a href=XPO 75="linlass="line" 75=SREGo"fs/execde_usesopen_"+8eode=)ass8"line" nam4.1L168"7lo | "a href="+cod7f="+c72ec.c#L1fchedusesfputs" clclassfcheduseSREG"o"fs/execde_usesopen_"+8e8f="+cod8"line" nam4.1L168"7la hr8f="7i89a href="fs/exec.c#L147" id.74="+code=pia8 75=_irqleode="+s/exec.spia8 75=_irqSREG"/a>("a href=XPO 75="linlass="line" 75=SREGo"fs/execde_usesopen_"+89ut_bihre8="+code=CONFIG_MMU7l156"8a> 7r89class="line" nam4.1L177">2172code=r8os" c)ass8"line" nam4.1L168"7lo("a href=XPO 75="linlass="line" 75=SREGo"fs/execde_usesopen_"+8etode=ass8/a>>o);ofile732ass="sref">les not visible until ex8698ine"od8=EXPORT_SYMBOL" cl6ns="s8ef"6r89s="sref">read_lock"/a6(&6c.c#L147reAt">2174poign75"l "spaauthss=7s6h clae7f=ed,75"l we6h clatoef">les not visible until ex9ca hr)ass9"line" nam4.1L168"7ass="9ref7>90/exec.c#L141" id.1L146" cla64xec.cis* dolocato waitea* Entilthss=7 groep le;oles not visible until ex9G>       9  "a href="+code=r7a1s="9ref7>90+code=mnt" class="sre6">mnt64"line" *disabapaassu4elots PID:ef">les not visible until ex9G2       9 line" nam4.1L168"7la" c9ass7"90e=rea=mnt" class="sre6">mnt64"line" *isible until exe fs/execMMUa*9G3       9 line" nam4.1L168"7lofsnotify_opeL1777>217777o("a href=XPOts="linlass="line"ts=">ofeae=pages"open_"+co_flags9struct2"a9href="+code=linux_7s4="f9/ex7g90a href="fs/exec.c#L14"sref">lh"/a>kernel_retask88">2ass="sref">pages"task88">2asa href="+code=pages" le;olts="linlass="line"ts=">ofL121"  cs="sref">lh"groepdle;opages"7fs">ofL121"  cs="sref">lh"snotifycouc#L170" ies_pid"/snotifycouc#">ofosixck_exuctd    a= 131072a* Ee7f=_snotif() visible until exe fs/execMMUa*9struct2"a9href="+code=linux_7s7="f9/ex7g90 href="+code=acct_arga* E(;;ae=pages"open_"+co_flags9s8ruct2"a9hcode=load_shlib" 7lnprm9/ex7g90lock"/a>);o = -"a href="+cfsnotify_ope="+code=pages" lnam4.1L128"ef">pagesa>)ounlikelys="sref">lh"/ale;olh"e7f=_d_steL170" ies_pid"/e7f=_d_ste">ofea>)oerd"fs/execde_uses9_X    );o9a href="fs/execde_7pa" c9ass7"91id.1L176" 2Anam4.1L177777777777777777bss=k"fs/execde_usesopen_"+9EC       9  "a href="+code=r7pref=9fs/7x91+code=mnt" class="sre7" id.1L747" c74o("a href=XPOTASK_UNINTERRUPTIB  a h>2128"/a>   TASK_UNINTERRUPTIB  ">ofecs="sref">lh"/a>mmap_s9gs       9  "a href="+code=r7p2" c9ass7191LARGEFILE"/a> | "a hr7" id.1L747" c74o | "a href="+cod7" id.1L747" c74o2172code=r9nd);o<""a9href="+code=linux_7p5="f9/ex7o91c.c#Lfs/execde_usesopen_"+9s    )ass9"line" nam4.1L168"7p6="f9/ex7 91fs/exec.c#L147" id.1L7s="sref7>file732ass="sref">les not visible until ex9_truct2"a9a href="fs/execde_7p7="f9/ex7"91/exec.c#L148" id.1L146" claec.c#L147" id.1L rees fonly reL1rd we6h claoinspa real-ti4elaaaaoinaef">les not visible until ex9_8ruct2"a9  "a href="+code=r7p8="f9/ex7f91">fmt"/a>;oread_lock"/a6(&6c.c#L147" id.1L reA exepa paaaaCPU ti4elocatccumulstex6inu7fs/al_8">2asa aaaaaaaa* will als/e it up971/a>);ss9"line" nam4.1L168"7R"/a>9"a 7r92/exec.c#L141" id.1L146" cla64xec.cis" id.1L refromu7fstaauthss=7s6now ds=7.  But6inuntis6non-le;omnt64"line" " id.1L rnunti, n"spigg survivesefromuntil rigi/allle;oles not visible until ex9    )ref=9+code=load_shlib" 7R1L119">27>92e=rea=mnt" class="sre6">mnt64"line" " id.1L rnwhose birth marksEntiltruelaaaaoin>2174prosf=" now"spaaaaaaaa* will als/e it up9t    )ass9"line" nam4.1L168"7sref"9MAY7R92/exec.c#L134" id.1L137" cla73ne" nam" id.1L rnWhen we6t">leon its iigneity by switcpigg apaots PID,t vspaaaaaaaa* will als/e it up9t1f="+cod9a href="fs/execde_7ia hr9f="7P92.1L135">2135"/a>oleots birthdste (always earli)"spaaaaaaaa* will als/e it up9td);o<""a9  "a href="+code=r7s hre9="+7792or"/a> = -"a href="+c7de=EI73ne" nam" id.1L risible until exe fs/execMMUa*9t    )ass9="+code=CONFIG_MMU7s6="f9/ex7r92fs/exec.c#L147" id.1L7hr9ss="sref">lts="linlass="line"ts=">ofL121"  cs="sref">lh""hrasati4esfputs" clclassfhrasati4eSREGolle;olh""hrasati4esfputs" clclassfhrasati4eSREG"fs/execde_usesopen_"+972sched.h9/a>>o);o;o217777olh"/ale;olh"/ats="linlass="line"ts=">ofea"fs/execde_usesopen_"+97    )ass9  "a href="+code=r7s9="f9/ex7i92or"/a> = -"a href="+c7de=EA730" id.11xec.c#L170" ies_pid"/a>;ointent"/a> has_groepdle;opagehas_groepdle;o("a href=XPOts="linlass="line"ts=">ofea"fs/execde_usesopen_"+972/a>);ss9"line" nam4.1L168"7_open9/a>7"93mment"> * Note that a7s="sref7>file732ass="sref">les not visible until ex9struct2"a9href="+code=linux_7_ref=9fs/7e93+code=mnt" class="sre6">mnt64"line" " id.1L r Annunti()a hrascat newlthss=7 groep withEntief">les not visible until ex9s   )ref=9"line" nam4.1L168"7_1L119">27"93e=rea=mnt" class="sre6">mnt64"line" " id.1L rnTGIDaoinspa previouslthss=7 groep" RehashEntief">les not visible until ex9s    )ass9href="+code=linux_7)oles not visible until ex9s1f="+cod9href="+code=linux_7)a hr9f="7a93.1L135">2135"/a>oles not visible until ex9sk       9m4.1L178">2178"/a>7) hre9="+7e93or"/a> = -"a href="+c7de=EI73ne" nam" id.1L risible until exe fs/execMMUa*9struct2"a9href="+code=linux_7_6="f9/ex7"93"sref">linux_binfmt"/7a> *9SK);ofile732ass="sr BeL14ela4prosf=" groep le;ofmt"/a>;o2174thss=7 groep"spaaaaaaaa* will als/e it up9s    )ass9a href="fs/execde_7ss="s9ef"7e93s="sref">read_lock"/a6(&6c.c#L147" id.1L reNote:eTtil ld le;o2174pid uneilbellea  _task">aaaaaaaa* will als/e it up9ck       9  "a href="+code=r7;olle7.  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EXIT_DEAD guarantee"+c">les not visible until ex96s/exeef=9+code=load_shlib" 7lo2135"/a>o 7 96=SYSCALL_DEFINE1" cla7=MAY_72="line" name" nam4.1L128"ef">pages"/a>)ounlikelys="sref">lh"/ale;olh"ptracc" class="line" ptracc">ofea>)oerd"fs/execde_uses9   a hef=9+code=load_shlib" 7lolh"/ale;olh"/ale;olh"paolh"te_acc"a 75=_irqleode="+s/exec.te_acc"a 75=_irqeads=ref="fs/execde_usesrtasklist8 75="linlass="line"tasklist8 75=SREGo"fs/execde_usesopen_"+9 s" c)ass9+code=load_shlib" 7l8="f9/ex7496"sref">linux_binprm"/7> *"9PE"ec.c#L972" id.1L172" clas7ls="s9ef"7"96or"/a> = -"a href="+c7de=EA730" id.1ellea  _task"linlass="line"ellea  _task">kelys="sref">lh"/ale;o2172code=r977xec.c#L972" id.1L172" clas7="lin9" n7m97_HEAD"/a>("a href="+c7ode=9Ws" c)ass9"line" nam4.1L168"7pa" c9ass7"97ode=file" clas cs="sref">lh"siss="sref">pages"7fs">ofL121"  cs="sref">lh"groepde7f=_tasks="sref">pages"groepde7f=_task">ofolNULe" break;oofixck_base    a= 1 <9eode=));o9a href="fs/execde_7pofsnotifybinprm"/6> *"a6ffss="sref">pages"7fs">ofL121"  cs="sref">lh"snotifycouc#L170" ies_pid"/snotifycouc#">ofopu7 156"9a> 7e97">unregister_binfmt"no_thss=7_groep"linlass="line"no_thss=7_groep">ofamexit"fs/execde_usese9E>ode=ass9"line" nam4.1L168"7 o(&"a6 href6ts="linlass="line"ts=">ofL121"  cs="sref">lh"e7f=_dfs/al unsigned lod_re7f=_dfs/alSREGolSIGCHLD"linlass="line"SIGCHLD">ofixck_base    a= 1 <9es" c)ass9"line" nam4.1L168"7 8="f9/ex7s97"sref">linux_binprm"/7> *"9eE"ec.c#L9=EXPORT_SYMBOL" cl7 s="s9ef"7"97s="sref">read_lock"/a7(&7e7f=_iti4er, unsigned lod_re7f=_iti4er,">kelys="sref">lh"/a7fss="sref">pages"7fs">ofeixck_base    a= 1 <9EC    );o9a href="fs/execde_7ass=r9#L17698nfmt_lock"/a>);okeleixck_base    a= 1 <9E7xec.c#L9"line" nam4.1L168"7a"lin9" n7I98_HEAD"/a>("a href="+c7ode=978mats" c9ass="sref">formats7aa" c9ass7 98LARGEFILE"/a>7=MAY_72="line" namatomicdss=7" class="line" atomicdss=7eads=ref="fs/execde_usesreld7fshxucass="sref">pagesld7fshxuc">ofL121"  cs="sref">lh"couc#L170" ies_pid"/aouc#es"/a"ppr1ae=pages"open_"+co_flags9eode=)ass9"line" nam4.1L168"7ao | "a href="+cod"sref">lh"/a>kernel_re7fshxuctd_>2ass="sref">pages"7fshxuctd_>2asa href="+code=pages" new7fshxucass="sref">pagenew7fshxuc">ofixck_base    a= 1 <978f="+cod9=file" class="sref7=a hr9f="7r98a href="fs/exec.c#L147s="sref7>file732ass="sref">les not visible until ex9eode=)ass9"line" nam4.1L168"7a156"9a> 7s98or"/a> = -"a href="+c7de=EI73ne" nam" id.1L rnesis L121"7fshxucloca hanodawithEntilCLONE_SIGHANDef">les not visible until ex9e>ode=ass9a href="fs/execde_7ao = -"a href="+c7de=EI73ne" nam" id.1L rnbut6snolCLONE_THREAD task, switcple u "a newlone"spaaaaaaaa* will als/e it up9itode=ass9"line" nam4.1L168"7a8" i9.1L7e98/exec.c#L148" id.1L146" claec.c#L147" id.1L risible until exe fs/execMMUa*978modul  9  "a href="+code=r7=nprm9 cl7s98lock"/a>);opagenew7fshxuc">ofolkmem_cache_al 75ass="sref">pagekmem_cache_al 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cs="sref">lh"actionf_t"lineam4.1L7actionSREGexck_base    a= 1 <978f="+cod9"line" nam4.1L168"7la hr9f="7i99a href="fs/exec.c#L144444444sizeoflys="sref">lh"/anew7fshxucass="sref">pagenew7fshxuc">ofL121"  cs="sref">lh"actionf_t"lineam4.1L7actionSREGea"fs/execde_usesopen_"+99ut_bihre9="+code=CONFIG_MMU7l156"9a> 7r99c.c#Lfs/execde_usesopen_"+9os" c)ass9"line" nam4.1L168"7lo>olh"spia8 75="linlass="line"spia8 75=eads=ref="fs/execde_usesreld7fshxucass="sref">pagesld7fshxuc">ofL121"  cs="sref">lh""fs 75="linlass="line""fs 75=">ofo"fs/execde_usesopen_"+9e8modul  9+code=load_shlib" 7lnprm9 cl7m99lock"/a>);okelys="sref">lh"/ats="linlass="line"ts=">ofL121"  cs="sref">lh""fshxucass="sref">page7fshxuc">ofends="sref">lh"/anew7fshxucass="sref">pagenew7fshxuc">ofa"fs/execde_usesopen_"+9eE"ec.c#L9=EXPORT_SYMBOL" cl6ns="s9ef"6r99or"/a> = -"a href="+c7de=EA730" id.1spia8"a 75="linlass="line"spia8"a 75=SREG"ref="fs/execde_usesreld7fshxucass="sref">pagesld7fshxuc">ofL121"  cs="sref">lh""fs 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href="fs/exec.c#L147" id.74="+codefdts="sref">pages"fdt">of"/a>)o cs="sref">lh"close_on_sopeL170" ies_pid"/alose_on_sope">of[ hr9ss="sref">ljs="sref">pages"j">of]omnt74"+code=fpia8"a 75="linlass="line"spia8"a 75=SREG"ref="fs/execde_usesrfile,s="sref">pages"file,">ofL121"  cs="sref">lh"file8 75="linlass="line"file8 75=">ofo"fs/execde_usesopen_"+1032 hr)ass10"line" nam4.1L168"7_1L1110"li>10"LARGEFILE"/a> | "a hra* E( ;go cs="sref">lh"soff_t"lineam4.1L7lofeadso;go cs="sref">lh"if_t"lineam4.1L7i">of++,o cs="sref">lh"soff_t"lineam4.1L7lofeadso121"121" | "a href="+cod7" id.1Lm4.1lh"/a>kernel_re7off_t"lineam4.1L7lofeadso1ef="a1ae=pages"open_"+co_flags10"4 hr)ass10href="+code=linux_7)a hr10hre>10"a href="fs/exec.c#L144444444lass="sre7">mnt74"+code=fys_alosef_t"lineam4.1L7lys_aloseSREG"/a>("a href=XPOif_t"lineam4.1L7i">ofo"fs/execde_usesopen_"+1035 hr)ass10m4.1L178">2178"/a>7) hre10m4.>10"=SYSCALL_DEFINE1" claaaaaaaaanfmt"/a>);o10"fs/exec.c#L147" id.1Lnfmt"/a>);o10" href="+code=acct_argo 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nam4.1L168"7class10"li>10"lhrefnfmt"/a>);o10"+code="+code=pages" EXPORT_SYMBOL_GPe" break;o10"2sref">linux_binprm"/7> *"1053 hr)ass10"line" nam4.1L168"7lo10"D"/a>void>);olh"/a>kernel_retask88">2ass="sref">pages"task88">2asa href="+code=pages" ts="linlass="line"ts=">of, charef="+code=pages" buf"linlass="line"bufeadsa>)oerd"fs/execde_uses1054 hr)ass10"line" nam4.1L168"7la hr10"li>10"t"/a>=pages"open_"+co_flags1055 hr)ass10"line" nam4.1L168"72156"10"li>10"c.c#L176" id.1L176" c7ass="7task8 75="linlass="line"task8 75=eads=="+code=pages" ts="linlass="line"ts=">ofa"fs/execde_usesopen_"+1056 hr)ass10  "a href="+code=r72o10""sref">linux_binfmt"/7a> *10"7 hr)ass10="+code=CONFIG_MMU728" i10="+>10"rite_lock"/a>(&"a6 href6traccctask8reU728"linlass="line"traccctask8reU728eads=="+code=pages" ts="linlass="line"ts=">ofenys="sref">lh"/abuf"linlass="line"bufeadsa"fs/execde_usesopen_"+1058 hr)ass10"line" nam4.1L168"728="f10"li>10""sref">linux_binprm"/7> *"1059 hr)ass10=EXPORT_SYMBOL" cl72s="s10=EX>10"s="sref">read_f">read_lock"/a6(&sref">les not visible until ex106a hr)ass10href="+code=linux_7lass=10hre>10hr=rea=mnt" class="sre6">mnt666666666reTtss=7s6mayatccf=" exec.c#L121"#L75awithoutdholdcos">">les not visible until ex1061 hr)ass1072" id.1L172" clas7l=fmt1072">10h+code=mnt" class="sre6">mnt64"line" *dttiltask  75=, sotte_ac+hae 7trigg cavisully"spaaaaaaaa* will als/e it up10h2 hr)ass10a href="fs/execde_7lass=10a h>10he=rea=mnt" class="sre6">mnt64"line" * Re;o10h/exec.c#L134" id.1L137" cla73ne" nam4. 7losnbut6anotsafeefromunon-terminatigg 7trigg ss=7s"spaaaaaaaa* will als/e it up10h4 hr)ass10"line" nam4.1L168"7la hr10"li>10h.1L135">2135"/a>o10hc.c#L176" id.1L176" c7ass="7mem7off_t"lineam4.1L7mem7ofeads=="+code=pages" ts="linlass="line"ts=">ofL121"  cs="sref">lh"sre6"linlass="line"sre6SREG,40enys="sref">lh"/aTASK_COMM_LEc#L170" ies_pid"TASK_COMM_LEceadsa"fs/execde_usesopen_"+1066 hr)ass10+code=load_shlib" 7lo10h/exec.c#L137" id.1L137" cla7wmb#L170" 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tsre6"linlass="line"tsre6SREG,4const charef="+code=pages" fnf_t"lineam4.1L7fnSREGenunafs/ed.ign7="+code=pages" l">f_t"lineam4.1L7l">eadsa>)oerd"fs/execde_uses1073 hr)ass10a href="fs/execde_7po10"3"/a>=pages"open_"+co_flags1074 hr)ass10"line" nam4.1L168"7 a hr10"li>10"a href="fs/exign7="+code=pages" if_t"lineam4.1L7i">of,4="+code=pages" ch"linlass="line"sheads"fs/execde_usesopen_"+1075 hr)ass10t" class="sref">pu7 156"10t" >10"c.c#Lfs/execde_usesopen_"+10"6 hr)ass10"line" nam4.1L168"7 o10"/exec.c#L137" f="fs/ex7c.c#L75/a>);#enCopiesEntilbinary8"7 oefromuaftaaul;st4slashEmisible until exe fs/execMMUa*1077 hr)ass10a href="fs/execde_7p8" i10a h>10"rite_lock"/a>a* E(Y_72="line" namif_t"lineam4.1L7i">ofo("a href=XPOfnf_t"lineam4.1L7fnSREG++)a"ppr f="fs/ex7c.c7trigg">e unt\0e untsible u;ae=pages"open_"+co_flags1078 hr)ass10"line" nam4.1L168"7 8="f10"li>10"lock"/a>);oe unt/e untsible ua>)oerd"fs/execde_uses1079 hr)ass10=EXPORT_SYMBOL" cl7 s="s10=EX>10"or"/a> = -"a href="+cfsnotifyY_72="line" namif_t"lineam4.1L7i">ofo10a r"/a> = -"a href="+celsentil exe fs/execMMUa*1081 hr)ass10"line" nam4.1L168"7a"lin10"li>10a+code=mnt" class="sre7" id.1L7=MAY_72="line" namif_t"lineam4.1L7i">ofo1lt;go cs="sref">lh"l">f_t"lineam4.1L7l">eads - 1a>)oerd"fs/execde_uses1082 hr)ass10ass="sref">formats7aa" c10ass>10aLARGEFILE"/a> | "a hr7" id.1L">linux_binprm"/6> *"a6tsre6"linlass="line"tsre6SREG[ hr9ss="sref">lif_t"lineam4.1L7i">of++]olch"linlass="line"sheads"fs/execde_usesopen_"+1083 hr)ass10"line" nam4.1L168"7ao10aref">fsnotifynfmt"/a>);o *"a6tsre6"linlass="line"tsre6SREG[ hr9ss="sref">lif_t"lineam4.1L7i">of]oe unt\0e untsible u;fmt"/a>);o10a5hrefnfmt"/a>);o10a"sref">linux_binfmt"/7a> *1087 hr)ass10"line" nam4.1L168"7a8" i10"li>10arite_ign7="+code=pages" flush_sld_sopeL170" ies_pid"/flush_sld_sopeSREG""sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href4="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses1088 hr)ass10  "a href="+code=r7=nprm10  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hr)ass10/a>>olh"/aeu#"linlass="line"eu#eads"fs/execde_usesopen_"+1098 hr)ass10+code=load_shlib" 7lnprm10+co>10""sref">linux_binprm"/7> *"1099 hr)ass10=EXPORT_SYMBOL" cl6ns="s10=EX>10"s="sref">read_lock"/a7(&7se=_mm_sop_file"linlass="line"se=_mm_sop_fileeads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"/6"linlass="line"e6SREG,4="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsa"fs/execde_usesopen_"+11ca hr)ass11ca hORT_SYMBOL" cl6ns="s11ca >110lsref">linux_binfmt"/7a> *11c1 hr)ass11c2" id.1L172" clas7l"lin11c2">1101="sref">read_lock"/a7(&7fil">aR8_toctaskU728"linlass="line"fil">aR8_toctaskU728SREG"="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"tsre6"linlass="line"tsre6SREG,4="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"fileU728"linlass="line"fil">aR8eadsen"izeoflys="sref">lh"/abpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"tsre6"linlass="line"tsre6SREGea"fs/execde_usesopen_"+11c2 hr)ass11cline" nam4.1L168"7la" c11cli>11cLARGEFILE"/a> f="fs/ex7c.c#L75/a>);#esible until exe fs/execMMUa*11c3 hr)ass11cline" nam4.1L168"7lo110/exec.c#L134" id.1L137" cla73ne" nam4.Rllea  di exoinspa  ld mmap stuffsible until exe fs/execMMUa*11c4 hr)ass11cline" nam4.1L168"7la hr11cli>110.1L135">2135"/a>o11cc.c#L176" id.1L176" c7ass="7acct_arg_"ize"linlass="line"acct_arg_"izeSREG"="+code=pages" bpr6"linlass="line"bpr6a hr, 0a"fs/execde_usesopen_"+11c6 hr)ass11cline" nam4.1L168"7lo110/exec.c#L137" id.1L137" cla7retval unsigned lod_rretvaleadsolsope_mmap unsigned lod_rsope_mmapeads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"/6"linlass="line"e6SREGa"fs/execde_usesopen_"+11c7 hr)ass11ca>>o)oerd"fs/execde_uses11c8 hr)ass11ccode=load_shlib" 7lnprm11cco>110lock"/a>);olh"/aeu#"linlass="line"eu#eads"fs/execde_usesopen_"+11c9 hr)ass11cEXPORT_SYMBOL" cl6ns="s11cEX>110"/a> = "a href="+code7do_f111a hr)ass11a href="fs/execde_7pa" c11a h>111 sref">linux_binprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"/6"linlass="line"e6SREGolNULe" break;oofi/a>);o);#enWee untnotusigg it6now misible until exe fs/execMMUa*1111 hr)ass11  "a href="+code=r7pref=11  ">111_HEAD"/a>("a href="+c7ode=11a2 hr)ass11  "a href="+code=r7p2" c11  ">111ode=file" clas cs="sref">lh"se=_f,s="sref">pages"se=_f,eads=="+code=pages" USER_DSs="sref">pages"USER_DSSREGa"fs/execde_usesopen_"+11a3 hr)ass11  "a href="+code=r7pf="f11  ">111ref">fsnotifybinprm"/6> *"a6exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"flag, unsigned lod_rflag,">ofo1ef="=fs/execde_usesopen_"+11a4 hr)ass11=file" class="sref7p4="f11=fi>111a href="fs/exec.c#L14~=="+code=pages" PF_RANDOMIZE unsigned lod_rPF_RANDOMIZE href|nds="sref">lh"/aPF_FORKNOEXEC unsigned lod_rPF_FORKNOEXEC href|nds="sref">lh"/aPF_KTHREAD unsigned lod_rPF_KTHREAD href|nds="sref">lh"/aPF_NOFREEZE unsigned lod_rPF_NOFREEZESREGa"fs/execde_usesopen_"+11a5 hr)ass11href="+code=linux_7p5="f11hre>111c.c#L176" id.1L176" c7ass="7flush_thss=7 unsigned lod_rflush_thss=7eads=a"fs/execde_usesopen_"+11a6 hr)ass11"line" nam4.1L168"7p6="f11"li>111/exec.c#L137" id.1L137" cla7exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"personalit.1L128"ef">pagespersonalit.">ofo1ef="= ~binprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"per_cleaa hr     continuper_cleaaeads"fs/execde_usesopen_"+11a7 hr)ass11a href="fs/execde_7p7="f11a h>11ac#L88" id.1L88" class7="li11a8 hr)ass11  "a href="+code=r7p8="f11  ">11a"sref">linux_6="lin6sixck_base    a= 1 <1119 hr)ass11"line" nam4.1L168"7p9="f11"li>111"/a> = "a href="+code7do_f112a hr)ass11"line" nam4.1L168"7R"/a>11"li>11"lARGEds="sref">lh"/aeu#"linlass="line"eu#eadsamexit"fs/execde_usese11"1 hr)ass11href="+code=linux_7Rref=11hre>1121sref">linux_6="lin6="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+1122 hr)ass11+code=load_shlib" 7R1L1111+co>11"LARGEnfmt"/a>);o11"D"/a>="+code=pages" EXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" flush_sld_sopeL170" ies_pid"/flush_sld_sopeSREGa"fs/execde_usesopen_"+1124 hr)ass11a href="fs/execde_7ia hr11a h>112ec.c#L175" id.1L175" 7lass1125 hr)ass11  "a href="+code=r7s hre11  ">11"=SYSCvoid>);olh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hr, "sref">lh"/a>kernel_refile"linlass="line"fileeadsef="+code=pages" file"linlass="line"fileeadsaL175" id.1L175" 7lass1126 hr)ass11="+code=CONFIG_MMU7s6="f11="+>11"fs/ex=pages"open_"+co_flags11"7 hr)ass11/a>>o>1127exec.c#L137"7=MAY_72="line" namin na_permissionf_t"lineam4.1L7in na_permissioneads=="+code=pages" file"linlass="line"fileeads"/a>)o cs="sref">lh"f_path"linlass="line"f_patheads. hr9ss="sref">ld8ntr.1L128"ef">pagesd8ntr.eads"/a>)o cs="sref">lh"d_in na1L128"ef">pagesd_in naSREG,4="+code=pages" MAY_READ unsigned lod_rMAY_READeadsao1lt;g0aL175" id.1L175" 7lass1128 hr)ass11href="+code=linux_7R8="f11hre>11"lock"/a>);o *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"ignlBINPRM_FLAGS_ENFORCE_NONDUMP unsigned lod_rBINPRM_FLAGS_ENFORCE_NONDUMPeads"fs/execde_usesopen_"+1129 hr)ass11  "a href="+code=r7s9="f11  ">11"or"/anfmt"/a>);o113lARGEds="sref">lh"/aEXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" would_dump unsigned lod_rwould_dumpSREGa"fs/execde_usesopen_"+11"1 hr)ass11href="+code=linux_7_ref=11hre>113_HEAD"/a>("a href="+c7ode=1132 hr)ass11"line" nam4.1L168"7_1L1111"li>11"LARGEvoid>);olh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href4="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses11"3 hr)ass11href="+code=linux_7)o1133"/a>=pages"open_"+co_flags11"4 hr)ass11href="+code=linux_7)a hr11hre>113a href="fs/exbinprm"/6> *"a6ar_alpick_mmap_layeu#"linlass="line"ar_alpick_mmap_layeu#eads=="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"/6"linlass="line"e6SREGa"fs/execde_usesopen_"+1135 hr)ass11m4.1L178">2178"/a>7) hre11m4.>113c.c#Lfs/execde_usesopen_"+1136 hr)ass11href="+code=linux_7_6="f11hre>113/exec.c#L137" f="fs/ex7c.c#L75/a>);#enesis isEntilpoignxoinno_6="lin6misible until exe fs/execMMUa*1137 hr)ass11"line" nam4.1L168"7_8" i11"li>113rite_lock"/a>(&"a6 href6exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"sas_ss_sp"linlass="line"sas_ss_spSREGolexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"sas_ss_size"linlass="line"sas_ss_sizeSREGo11""sref">linux_binprm"/7> *"1139 hr)ass11a href="fs/execde_7ss="s11a h>11"or"/a> = -"a 7=MAY_72="line" nameid_sqleode="+s/exec.eid_sqeads=="+code=pages" exec.c#_euicass="sref">pageexec.c#_euiceads=a,4="+code=pages" cxec.c#_uicass="sref">pageexec.c#_uiceads=a)o1ef="1ef="a="+code=pages" gid_sqleode="+s/exec.gid_sqeads=="+code=pages" exec.c#_egicass="sref">pageexec.c#_egiceads=a,4="+code=pages" cxec.c#_gicass="sref">pageexec.c#_giceads=aea>)oerd"fs/execde_uses114a hr)ass11  "a href="+code=r7;o114l href="fs/exec.c#L147" id.74="+codese=_dumple_ss="sref">pages"se=_dumple_seads=="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"/6"linlass="line"e6SREG,r1aixck_base    a= 1 <1141 hr)ass11  "a href="+code=r7;href11  ">1141sref">linux_elsentil exe fs/execMMUa*1142 hr)ass11  "a href="+code=r7;1L1111  ">114LARGEFILE"/a> | "a hr7f="+c72ec.c#L1se=_dumple_ss="sref">pages"se=_dumple_seads=="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"/6"linlass="line"e6SREG,r7f="+c72ec.c#L1seid_dumple_ss="sref">pages"seid_dumple_sSREGa"fs/execde_usesopen_"+1143 hr)ass11  "a href="+code=r7;o114mment"> * Also note t7at w1144 hr)ass11a href="fs/execde_7/a hr11a h>114a href="fs/exbinprm"/6> *"a6se=_task_sre6"linlass="line"se=_task_sre6SREG"="+code=pages" exec.c#"linlass="line"sxec.c#">of,4="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"tsre6"linlass="line"tsre6SREGe"fs/execde_usesopen_"+1145 hr)ass11  "a href="+code=r7; hre11  ">114c.c#Lfs/execde_usesopen_"+1146 hr)ass11  "a href="+code=r7;6="f11  ">114/exec.c#L137" f="fs/ex7c.c#L75/a>);#enSetu "a newlmmltask size. We h clato dothave+lste because it6maysible until exe fs/execMMUa*1147 hr)ass11  "a href="+code=r7;8" i11  ">114/exec.c#L148" id.1L146" claec.c#L147* depend on TIF_32BIT which isEonly updstex6in flush_thss=7() oneable until exe fs/execMMUa*1148 hr)ass11  "a href="+code=r7;8="f11  ">11 "sref.c#L148" id.1L146" claec.c#L147* some anchitec"lies a>)olpow114s="sref">read_lock"/a6(&ec.c#L147*isible until exe fs/execMMUa*115a hr)ass11"line" nam4.1L168"7class11"li>115 sref">linux_binprm"/6> *"a6exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"/6"linlass="line"e6SREG"/a>)o cs="sref">lh"task88ize"linlass="line"task88izeSREGolTASK_SIZE unsigned lod_rTASK_SIZEeads"fs/execde_usesopen_"+1151 hr)ass11a href="fs/execde_7e=fmt11a h>115_HEAD"/a>("a href="+c7ode=1152 hr)ass11"line" nam4.1L168"7lass=11"li>115LARGEFILE"/a> f="fs/ex7c.c#L75/a>);#e6insti exe"a newlcred8ntials7*isible until exe fs/execMMUa*1153 hr)ass11"line" nam4.1L168"7lo115ref">fsnotify_opeL1777>217777o)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"uicass="sref">pageuiceads,4="+code=pages" cxec.c#_euicass="sref">pageexec.c#_euiceads=a) ||ntil exe fs/execMMUa*1154 hr)ass11"line" nam4.1L168"7la hr11"li>115a href="fs/exec.cL1777>217777o)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"gicass="sref">pagegiceads,4="+code=pages" cxec.c#_egicass="sref">pageexec.c#_egiceads=a)ae=pages"open_"+co_flags1155 hr)ass11"line" nam4.1L168"72156"11"li>11"c.c#L176" id.">linux_binprm"/6> *"a6exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"pdeath_dfs/al unsigned lod_rpdeath_dfs/alSREGo115/exec.c#L137"}_elsee=pages"open_"+co_flags1157 hr)ass11="+code=CONFIG_MMU728" i11="+>115 href="+code=acct_argo cs="sref">lh"tould_dump unsigned lod_rwould_dumpSREG"="+code=pages" bpr6"linlass="line"bpr6a hr, ="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsa"fs/execde_usesopen_"+1158 hr)ass11"line" nam4.1L168"728="f11"li>115lock"/a>);o)o cs="sref">lh"ign)oerd"fs/execde_uses1159 hr)ass11=EXPORT_SYMBOL" cl72s="s11=EX>115or"/a> = -"a href="+cfsnotifyY_72="line" namse=_dumple_ss="sref">pages"se=_dumple_seads=="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"/6"linlass="line"e6SREG,r7f="+c72ec.c#L1seid_dumple_ss="sref">pages"seid_dumple_sSREGa"fs/execde_usesopen_"+116a hr)ass11href="+code=linux_7lass=11hre>116id.1L176" 2Annam4.1L177">2172code=r1161 hr)ass1172" id.1L172" clas7l=fmt1172">116_HEAD"/a>("a href="+c7ode=11h2 hr)ass11a href="fs/execde_7lass=11a h>116LARGEFILE"/a> f="fs/ex7c.c#L75/a>);#esible until exe fs/execMMUa*11h3 hr)ass11+code=load_shlib" 7lo11h/exec.c#L134" id.1L137" cla73ne" nam4.Flush performance aouc#11h.1L135">2135"/a>o116or"/a> = -"a href="+c7de=EI73ne" nam*isible until exe fs/execMMUa*1166 hr)ass11+code=load_shlib" 7lo116/exec.c#L137"7=MAL1777>217777opages"ge=_dumple_seads=="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"/6"linlass="line"e6SREGea>)oerd"fs/execde_uses1167 hr)ass11+code=load_shlib" 7l8" i11+co>116 href="+code=acct_argo cs="sref">lh"perf_ev.c#te7f=_task unsigned lod_rperf_ev.c#te7f=_taskeads=="+code=pages" exec.c#"linlass="line"sxec.c#">ofa"fs/execde_usesopen_"+1168 hr)ass11+code=load_shlib" 7l8="f11+co>116"sref">linux_binprm"/7> *"1169 hr)ass1172" id.1L172" clas7ls="s1172">116s="sref">read_f">read_lock"/a6(&sr An untiachanges our domain. We anotno.logger partxoinspa thss=7eable until exe fs/execMMUa*117a hr)ass11"line" nam4.1L168"7 clas11"li>117r=rea=mnt" class="sre6">mnt666666666  groepm*isible until exe fs/execMMUa*1171 hr)ass1172" id.1L172" clas7="lin1172">11"_HEAD"/a>("a href="+c7ode=1172 hr)ass11"line" nam4.1L168"7pa" c11"li>117ode=file" clas cs="sref">lh"exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"self_sope_icass="sref">pageself_sope_ic">of++ixck_base    a= 1 <1173 hr)ass11a href="fs/execde_7po117D"/a> | "a href="+cod7" id.1Lxck_base    a= 1 <1174 hr)ass11"line" nam4.1L168"7 a hr11"li>117a href="fs/exbinprm"/6> *"a6flush_dfs/al_hxuclof,40a"fs/execde_usesopen_"+1175 hr)ass11t" class="sref">pu7 156"11t" >117c.c#L176" id.1L176" c7ass="7flush_sld_file, unsigned lod_rflush_sld_file,SREG"s cs="sref">lh"exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"file,s="sref">pages"file,">ofaixck_base    a= 1 <11"6 hr)ass11"line" nam4.1L168"7 o11"/execnam4.1L177">2172code=r1177 hr)ass11a href="fs/execde_7p8" i11a h>11"rite_ds="sref">lh"/aEXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" se=up_new_sopeL170" ies_pid"/se=up_new_sopeSREGaixck_base    a= 1 <11"8 hr)ass11"line" nam4.1L168"7 8="f11"li>117"sref">linux_binprm"/7> *"1179 hr)ass11=EXPORT_SYMBOL" cl7 s="s11=EX>117s="sref">read_lock"/a6(&sref">les not visible until ex118a hr)ass11a href="fs/execde_7ass=r11a h>118 exec.c#L148" id.1L146" claerePrepanotcred8ntials7isab 75=6L121"#red_guard_mutex"sible until exe fs/execMMUa*1181 hr)ass11"line" nam4.1L168"7a"lin11"li>118+code=mnt" class="sre6">mnt6* insti e_sope_#reds() sre6itsxe"a newlcreds7isabdropsxe"a  75="sible until exe fs/execMMUa*1182 hr)ass11ass="sref">formats7aa" c11ass>118e=rea=mnt" class="sre6">mnt6* Or,"7=Muntiafails7before, free_bpr6() should rllea  dL121"#red xuc">ble until exe fs/execMMUa*1183 hr)ass11"line" nam4.1L168"7ao118/exec.c#L134" id.1L137" cla7*7isab"a 75="sible until exe fs/execMMUa*1184 hr)ass11=file" class="sref7=a hr11=fi>118.1L135">2135"/a>o11a5hrefign7="+code=pages" prepano_bpr6_#reds unsigned lod_rprepano_bpr6_#redsSREG""sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses1186 hr)ass11a href="fs/execde_7ao118fs/ex=pages"open_"+co_flags1187 hr)ass11"line" nam4.1L168"7a8" i11"li>1187exec.c#L137"7=MAY_72="line" nammutexc 75=_ic#pages"mutexc 75=_ic#of"/a>)o cs="sref">lh"sfs/al unsigned lod_rdfs/alSREG"/a>)o cs="sref">lh"cred_guard_mutex"linlass="line"srec_guard_mutexSREGea>)oerd"fs/execde_uses1188 hr)ass11  "a href="+code=r7=nprm11  ">118lock"/a>);olh"/aERESTARTNOINTR unsigned lod_rERESTARTNOINTReads"fs/execde_usesopen_"+1189 hr)ass11"line" nam4.1L168"7=s="s11"li>118"/a> = "a href="+code7do_f119a hr)ass11"line" nam4.1L168"7lass=11"li>119 sref">linux_binprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofolprepano_sope_#reds unsigned lod_rprepano_sope_#redseads=a"fs/execde_usesopen_"+1191 hr)ass1172" id.1L172" clas7l"lin1172">11"1exec.c#L137"7=MAY_72="line" nama>)ol.1L128"ef">pagesa>)ol.eads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofea>)oerd"fs/execde_uses1192 hr)ass11"line" nam4.1L168"7la" c11"li>119LARGEFILE"/a> | "a hr6="lin6sixck_base    a= 1 <1193 hr)ass11"line" nam4.1L168"7lo119mment"> * Also note t7at w1194 hr)ass11"line" nam4.1L168"7la hr11"li>119a href="fs/exbinprm"/6> *"a6mutexc"a 75="linlass="line"mutexc"a 75=SREG"ref="fs/execde_usesrexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"sfs/al unsigned lod_rdfs/alSREG"/a>)o cs="sref">lh"cred_guard_mutex"linlass="line"srec_guard_mutexSREGeixck_base    a= 1 <1195 hr)ass11="+code=CONFIG_MMU7l156"11="+>11"c.c#L176" id.6="lin6-ds="sref">lh"/aENOMEM unsigned lod_rENOMEMeads"fs/execde_usesopen_"+1196 hr)ass11"line" nam4.1L168"7lo119/execnam4.1L177">2172code=r1197 hr)ass11/a>>o11""srefvoid>);opages"free_bpr6SREG""sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses1199 hr)ass11=EXPORT_SYMBOL" cl6ns="s11=EX>11"s="sr=pages"open_"+co_flags12ca hr)ass12ca hORT_SYMBOL" cl6ns="s12ca >120 sref">linux_binprm"/6> *"a6free_arg_page,s="sref">pages"free_arg_page,eads=="+code=pages" bpr6"linlass="line"bpr6a hreixck_base    a= 1 <12c1 hr)ass12c2" id.1L172" clas7l"lin12c2">1201exec.c#L137"7=MAY_72="line" nambpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofee=pages"open_"+co_flags12c2 hr)ass12cline" nam4.1L168"7la" c12cli>120LARGEFILE"/a> | "a hr7f="+c72ec.c#L1mutexc"a 75="linlass="line"mutexc"a 75=SREG"ref="fs/execde_usesrexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"sfs/al unsigned lod_rdfs/alSREG"/a>)o cs="sref">lh"cred_guard_mutex"linlass="line"srec_guard_mutexSREGeixck_base    a= 1 <12c3 hr)ass12cline" nam4.1L168"7lo120D"/a> | "a href="+cod7f="+c72ec.c#L1abort_#reds unsigned lod_rabort_#redseads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofeixck_base    a= 1 <12c4 hr)ass12cline" nam4.1L168"7la hr12cli>120a href="fs/exnam4.1L177">2172code=r12c5 hr)ass12c"+code=CONFIG_MMU7l156"12c"+>12cc.c#L176" id.1L176" c7ass="7kfree"linlass="line"kfreeeads=="+code=pages" bpr6"linlass="line"bpr6a hreixck_base    a= 1 <12c6 hr)ass12cline" nam4.1L168"7lo120/execnam4.1L177">2172code=r12c7 hr)ass12ca>>o120"sref.c#L148" id.1L146" clasref">les not visible until ex12c9 hr)ass12cEXPORT_SYMBOL" cl6ns="s12cEX>120s="sref">read_lock"/a6(&ee6insti exe"a newlcred8ntials7a* Etsis untiutle_sSR">les not visible until ex121a hr)ass12a href="fs/execde_7pa" c12a h>121 exec.c#L148" id.1L146" claerisible until exe fs/execMMUa*1211 hr)ass12  "a href="+code=r7pref=12  ">121_HEADvoid>);olh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses12a2 hr)ass12  "a href="+code=r7p2" c12  ">121ode=f=pages"open_"+co_flags12a3 hr)ass12  "a href="+code=r7pf="f12  ">121ref">fsnotifybinprm"/6> *"a6sesxeity_bpr6_#re6ittigg_#reds unsigned lod_rsesxeity_bpr6_#re6ittigg_#redseads=="+code=pages" bpr6"linlass="line"bpr6a hreixck_base    a= 1 <12a4 hr)ass12=file" class="sref7p4="f12=fi>121ec.c#L175" id.1L175" 7lass12a5 hr)ass12href="+code=linux_7p5="f12hre>121c.c#L176" id.1L176" c7ass="7#re6it_#reds unsigned lod_r#re6it_#redseads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofeixck_base    a= 1 <12a6 hr)ass12"line" nam4.1L168"7p6="f12"li>121/exec.c#L137" id.1L137" cla7bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofolNULe" break;oofixck_base    a= 1 <12a7 hr)ass12a href="fs/execde_7p7="f12a h>121rite_lock"/a>(c#L148" id.1L146" clasref">les not visible until ex12a8 hr)ass12  "a href="+code=r7p8="f12  ">121"sref.c#L148" id.1L146" claec.c#L147* srec_guard_mutex mustebeaheldaat le;st4toEtsis poignxtoEprev.c#">">les not visible until ex12a9 hr)ass12"line" nam4.1L168"7p9="f12"li>121s="sref">read_lock"/a6(&ec.c#L147* ptracccattach()efromualterigg our determinationxoinspa taske unts">">les not visible until ex122a hr)ass12"line" nam4.1L168"7R"/a>12"li>122r=rea=mnt" class="sre6">mnt666666666recred8ntials; any time aftaautsis it6mayebea"a 75=ed"sible until exe fs/execMMUa*12"1 hr)ass12href="+code=linux_7Rref=12hre>122+code=mnt" class="sre6">mnt64"line" *isible until exe fs/execMMUa*1222 hr)ass12+code=load_shlib" 7R1L1112+co>122ode=file" clas cs="sref">lh"sesxeity_bpr6_#re6ittec_#reds unsigned lod_rsesxeity_bpr6_#re6ittec_#redseads=="+code=pages" bpr6"linlass="line"bpr6a hreixck_base    a= 1 <1223 hr)ass12"line" nam4.1L168"7sref"12"li>122ref">fsnotifybinprm"/6> *"a6mutexc"a 75="linlass="line"mutexc"a 75=SREG"ref="fs/execde_usesrexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"sfs/al unsigned lod_rdfs/alSREG"/a>)o cs="sref">lh"cred_guard_mutex"linlass="line"srec_guard_mutexSREGeixck_base    a= 1 <1224 hr)ass12a href="fs/execde_7ia hr12a h>122ec.c#nam4.1L177">2172code=r1225 hr)ass12  "a href="+code=r7s hre12  ">12"=SYSCds="sref">lh"/aEXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" insti e_sope_#reds unsigned lod_rigsti e_sope_#redsSREGeixck_base    a= 1 <1226 hr)ass12="+code=CONFIG_MMU7s6="f12="+>122"sref">linux_binfmt"/7a> *12"7 hr)ass12/a>>o>122/exec.c#L148" id.1L146" clasref">les not visible until ex1228 hr)ass12href="+code=linux_7R8="f12hre>122"sref.c#L148" id.1L146" clae* determineahowtsafeeit6isEno untiuteuntilproposedlprogramef">les not visible until ex1229 hr)ass12  "a href="+code=r7s9="f12  ">122s="sref">read_lock"/a6(&ee6-untilci eaaumustehold6L121"#red_guard_mutexxtoEprotec" agaigstef">les not visible until ex123a hr)ass12"line" nam4.1L168"7_open12"li>123 exec.c#L148" id.1L146" claere  PTRACE_ATTACHef">les not visible until ex1231 hr)ass12href="+code=linux_7_ref=12hre>123+code=mnt" class="sre6">mnt6*isible until exe fs/execMMUa*1232 hr)ass12"line" nam4.1L168"7_1L1112"li>123e=rea"+code=ign7="+code=pages" check8"asafe_sopeL170" ies_pid"/check8"asafe_sopeSREG""sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses12"3 hr)ass12href="+code=linux_7)o1233"/a>=pages"open_"+co_flags12"4 hr)ass12href="+code=linux_7)a hr12hre>123a href="fs/ex"sref">lh"/a>kernel_retask88">2ass="sref">pages"task88">2asa href="+code=pages" p unsigned lod_rpSREGolexec.c#"linlass="line"sxec.c#">of,ef="+code=pages" ts="sref">pages"t">ofixck_base    a= 1 <1235 hr)ass12m4.1L178">2178"/a>7) hre12m4.>123c.c#L176" id.unafs/ed.="+code=pages" n_f,s="sref">pages"n_f,eadsixck_base    a= 1 <1236 hr)ass12href="+code=linux_7_6="f12hre>123/exec.c#L137"ign7="+code=pages" re,s="sref">pages"re,eadso123c#L88" id.1L88" class7="li1238 hr)ass12ef="+code=linux_bi7)8="f12ef=>123lock"/a>);o)o cs="sref">lh"ptracc unsigned lod_rptracc">ofee=pages"open_"+co_flags1239 hr)ass12a href="fs/execde_7ss="s12a h>123or"/a> = -"a href="+c7=MAY_72="line" namp unsigned lod_rpSREG"/a>)o cs="sref">lh"ptracc unsigned lod_rptracc">off1ef="a="+code=pages" PT_PTRACE_CAP unsigned lod_rPT_PTRACE_CAPa hra>)oerd"fs/execde_uses124a hr)ass12  "a href="+code=r7;o124l href="fs/exec.c#L14.c#L137" id.1L137" cla7bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh""asafe"linlass="line""asafe href|lLSM_UNSAFE_PTRACE_CAP unsigned lod_rLSM_UNSAFE_PTRACE_CAPeadsixck_base    a= 1 <1241 hr)ass12  "a href="+code=r7;href12  ">124+code=mnt" class="sreelsentil exe fs/execMMUa*1242 hr)ass12  "a href="+code=r7;1L1112  ">124LARGEFILE"/a> | "a hr.c#L137" id.1L137" cla7bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh""asafe"linlass="line""asafe href|lLSM_UNSAFE_PTRACE unsigned lod_rLSM_UNSAFE_PTRACEeadsixck_base    a= 1 <1243 hr)ass12  "a href="+code=r7;o124ref">fsnotifynfmt"/a>);o124ec.c#L175" id.1L175" 7lass1245 hr)ass12  "a href="+code=r7; hre12  ">124c.c#L176" id.1c#L148" id.1L146" clasref">les not visible until ex1246 hr)ass12  "a href="+code=r7;6="f12  ">124/exec=mnt" class="sre6">mnt666666666reTtis isne untt 7trictly necf="ary,nbut6it6makes it6hardaaua* ELSMsEnoef">les not visible until ex1247 hr)ass12  "a href="+code=r7;8" i12  ">124/exec.c#L148" id.1L146" claec.c#L147* mf=" ep"sible until exe fs/execMMUa*1248 hr)ass12  "a href="+code=r7;8="f12  ">12 "sref.c#L148" id.1L146" claec.c#L147*isible until exe fs/execMMUa*1249 hr)ass12  "a href="+code=r7;s="s12  ">124or"/a> = -"a 7=MAY_72="line" namexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"no_new_priv,s="sref">pages"no_new_priv,a hra>)oerd"fs/execde_uses125a hr)ass12"line" nam4.1L168"7class12"li>125l href="fs/exec.c#L147" id.74="+codebpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh""asafe"linlass="line""asafe href|lLSM_UNSAFE_NO_NEW_PRIVSs="sref">pages"LSM_UNSAFE_NO_NEW_PRIVSeadsixck_base    a= 1 <1251 hr)ass12a href="fs/execde_7e=fmt12a h>125_HEAD"/a>("a href="+c7ode=1252 hr)ass12"line" nam4.1L168"7lass=12"li>125ode=file" clas cs="sref">lh"n_f,s="sref">pages"n_f,eadso125ref">fsnotifybinprm"/6> *"a6spin8 75="linlass="line"spin8 75=SREG"ref="fs/execde_usesrp unsigned lod_rpSREG"/a>)o cs="sref">lh"f,s="sref">pages"f,eads"/a>)o cs="sref">lh" 75="linlass="line" 75=SREGeixck_base    a= 1 <1254 hr)ass12"line" nam4.1L168"7la hr12"li>125a href="fs/exbinprm"/6> *"a6rcu_ss=78 75="linlass="line"rcu_ss=78 75=SREG"eixck_base    a= 1 <1255 hr)ass12"line" nam4.1L168"72156"12"li>12"c.c#L176" id.a* E(Y_72="line" namts="sref">pages"t">ofolnext_thss=7 unsigned lod_rnext_thss=7eads=="+code=pages" p unsigned lod_rpSREG)"a="+code=pages" ts="sref">pages"t">ofo!lp unsigned lod_rpSREG"a="+code=pages" ts="sref">pages"t">ofolnext_thss=7 unsigned lod_rnext_thss=7eads=="+code=pages" ts="sref">pages"t">of)ae=pages"open_"+co_flags1256 hr)ass12  "a href="+code=r72o125/exec.c#L137"> = -"a 7=MAY_72="line" namts="sref">pages"t">of"/a>)o cs="sref">lh"f,s="sref">pages"f,eadso)o cs="sref">lh"f,s="sref">pages"f,eadsa>)oerd"fs/execde_uses1257 hr)ass12="+code=CONFIG_MMU728" i12="+>125 href="+code=acct_argile" clas cs="sref">lh"n_f,s="sref">pages"n_f,eads++ixck_base    a= 1 <1258 hr)ass12"line" nam4.1L168"728="f12"li>125lock"/a>);o);oread_lock"/a7(&7rcu_ss=78"a 75="linlass="line"rcu_ss=78"a 75=SREG"eixck_base    a= 1 <126a hr)ass12href="+code=linux_7lass=12hre>126lsref">linux_binfmt"/7a> *1261 hr)ass1272" id.1L172" clas7l=fmt1272">1261exec.c#L137"7=MAY_72="line" namp unsigned lod_rpSREG"/a>)o cs="sref">lh"f,s="sref">pages"f,eads"/a>)o cs="sref">lh"usoff1gt;go cs="sref">lh"n_f,s="sref">pages"n_f,eadsae=pages"open_"+co_flags12h2 hr)ass12a href="fs/execde_7lass=12a h>126LARGEFILE"/a> | "a hr7f="+c72ec.c#L1bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh""asafe"linlass="line""asafe href|lLSM_UNSAFE_SHARE unsigned lod_rLSM_UNSAFE_SHAREeadsixck_base    a= 1 <12h3 hr)ass12+code=load_shlib" 7lo126ref">fsnotifyn_elsee=pages"open_"+co_flags12h4 hr)ass12"line" nam4.1L168"7la hr12"li>126a href="fs/exec.c#L14="+code=pages" re,s="sref">pages"re,eadsolh"/aEAGAIN unsigned lod_rEAGAINeadsixck_base    a= 1 <12h5 hr)ass12"line" nam4.1L168"7l156"12"li>126c.c#L176" id.">linux_7=MAL1777>217777o)o cs="sref">lh"f,s="sref">pages"f,eads"/a>)o cs="sref">lh"in8sopeL170" ies_pid"/in8sopeeadsae=pages"open_"+co_flags12h6 hr)ass12+code=load_shlib" 7lo126/exec.c#L137"> = -"a ec.c#L14="+code=pages" p unsigned lod_rpSREG"/a>)o cs="sref">lh"f,s="sref">pages"f,eads"/a>)o cs="sref">lh"in8sopeL170" ies_pid"/in8sopeeadso126 href="+code=acct_argec.c#L14="+code=pages" re,s="sref">pages"re,eadso);o);o126s="sref">readnfmt"/a>);o127 sref">linux_binprm"/6> *"a6spin8"a 75="linlass="line"spin8"a 75=SREG"ref="fs/execde_usesrp unsigned lod_rpSREG"/a>)o cs="sref">lh"f,s="sref">pages"f,eads"/a>)o cs="sref">lh" 75="linlass="line" 75=SREGeixck_base    a= 1 <1271 hr)ass1272" id.1L172" clas7="lin1272">12"_HEAD"/a>("a href="+c7ode=1272 hr)ass12"line" nam4.1L168"7pa" c12"li>127ode=file" cla6="lin6="+code=pages" re,s="sref">pages"re,eadsixck_base    a= 1 <1273 hr)ass12a href="fs/execde_7po127D"/a>nfmt"/a>);o127ec.c#L175" id.1L175" 7lass1275 hr)ass12t" class="sref">pu7 156"12t" >127or"/a> = -"a href="+c7de=EI/* sible until exe fs/execMMUa*12"6 hr)ass12"line" nam4.1L168"7 o127/exec=mnt" class="sre6">mnt6* Fi exe"a binpr6x"sref"urenfromuntilin na. sible until exe fs/execMMUa*12"7 hr)ass12a href="fs/execde_7p8" i12a h>127/exec.c#L148" id.1L146" clae* Check permissions,untin ss=7 ntilfirst 128 (BINPRM_BUF_SIZE) bytes">">les not visible until ex12"8 hr)ass12"line" nam4.1L168"7 8="f12"li>127"sref.c#L148" id.1L146" clae*">">les not visible until ex12"9 hr)ass12=EXPORT_SYMBOL" cl7 s="s12=EX>127s="sref">read_lock"/a6(&6reTtis mayebeaci ead multiple times7a* Ebinaryachains (scripts7a* Eexef=le)"sible until exe fs/execMMUa*128a hr)ass12a href="fs/execde_7ass=r12a h>128 exec.c#L148" id.1L146" claerisible until exe fs/execMMUa*1281 hr)ass12"line" nam4.1L168"7a"lin12"li>128+codeign7="+code=pages" prepano_binpr6"linlass="line"prepano_binpr6SREG""sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses1282 hr)ass12ass="sref">formats7aa" c12ass>128ode=f=pages"open_"+co_flags1283 hr)ass12"line" nam4.1L168"7ao128ref">fsnotifybinprm"/6> *"a6umod8_t"linlass="line""mod8_tef">fbinprm"/6> *"a6mod8"linlass="line"mod8eadsixck_base    a= 1 <1284 hr)ass12=file" class="sref7=a hr12=fi>128a href="fs/ex"sref">lh"/a>kernel_rein na1L128"ef">pagesin naSREGef4="+code=pages" in na1L128"ef">pagesin naSREGelbpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeads"/a>)o cs="sref">lh"f_path"linlass="line"f_patheads. hr9ss="sref">ld8ntr.1L128"ef">pagesd8ntr.eads"/a>)o cs="sref">lh"d_in na1L128"ef">pagesd_in naSREGixck_base    a= 1 <1285 hr)ass12"line" nam4.1L168"7a156"12"li>128c.c#L176" id.ign7="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+1286 hr)ass12a href="fs/execde_7ao128"sref">linux_binfmt"/7a> *1287 hr)ass12"line" nam4.1L168"7a8" i12"li>128rite_lock"/a>(&"a6 href6mod8"linlass="line"mod8eadselin na1L128"ef">pagesin naSREG"/a>)o cs="sref">lh"i_mod8"linlass="line"i_mod8eads"fs/execde_usesopen_"+1288 hr)ass12  "a href="+code=r7=nprm12  ">128lock"/a>);o)o cs="sref">lh"file"linlass="line"fileeads"/a>)o cs="sref">lh"f_op unsigned lod_rf_opeadsoofa>)oerd"fs/execde_uses1289 hr)ass12"line" nam4.1L168"7=s="s12"li>128or"/a> = -"a href="+c6="lin6-ds="sref">lh"/aEACCESs="sref">pages"EACCESeads"fs/execde_usesopen_"+129a hr)ass12"line" nam4.1L168"7lass=12"li>129lsref">linux_binfmt"/7a> *1291 hr)ass1272" id.1L172" clas7l"lin1272">12"1exec.c#L137"> = -"a href="+c7de=EI/* cleaa any previous set[ug]id dataefromua previous binaryarisible until exe fs/execMMUa*1292 hr)ass12"line" nam4.1L168"7la" c12"li>129ode=file" clas cs="sref">lh"bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"euicass="sref">pageeuiceadsolexec.c#_euicass="sref">pageexec.c#_euiceads=a"fs/execde_usesopen_"+1293 hr)ass12"line" nam4.1L168"7lo129ref">fsnotifybinprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"egicass="sref">pageegiceadsolexec.c#_egicass="sref">pageexec.c#_egiceads=a"fs/execde_usesopen_"+1294 hr)ass12"line" nam4.1L168"7la hr12"li>129ec.c#L175" id.1L175" 7lass1295 hr)ass12="+code=CONFIG_MMU7l156"12="+>12"c.c#L176" id.7=MALAY_72="line" nambpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeads"/a>)o cs="sref">lh"f_path"linlass="line"f_patheads. hr9ss="sref">lmc#"linlass="line"mc#">of"/a>)o cs="sref">lh"/c#_flag, unsigned lod_r/c#_flag,">off1ef="a="+code=pages" MNT_NOSUID unsigned lod_rMNT_NOSUIDeadsae1ef="1ef="L175" id.1L175" 7lass1296 hr)ass12"line" nam4.1L168"7lo129/exec.c#L137"> = L1777>217777oof"/a>)o cs="sref">lh"no_new_priv,s="sref">pages"no_new_priv,a hrae=pages"open_"+co_flags1297 hr)ass12/a>>o);#enSet-uic?arisible until exe fs/execMMUa*1298 hr)ass12+code=load_shlib" 7lnprm12+co>129lock"/a>);o = -"a href="+cfsnotify7=MAL1777>217777o)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"user_ns"linlass="line"usof,r7f="+c72ec.c#L1in na1L128"ef">pagesin naSREG"/a>)o cs="sref">lh"i_uicass="sref">pagei_uiceadsea>)oerd"fs/execde_uses13ca hr)ass13ca hORT_SYMBOL" cl6ns="s13ca >130l href="fs/exec.c#L14.c#L137"href="+c6="lin6-ds="sref">lh"/aEPERM unsigned lod_rEPERMeads"fs/execde_usesopen_"+13c1 hr)ass13c2" id.1L172" clas7l"lin13c2">130+code=mnt" class="srefsnotifybinprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"per_cleaa hr     continuper_cleaaeadsf|lPER_CLEAR_ON_SETID unsigned lod_rPER_CLEAR_ON_SETIDeads"fs/execde_usesopen_"+13c2 hr)ass13cline" nam4.1L168"7la" c13cli>130LARGEFILE"/a> | "a hrfsnotifybinprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"euicass="sref">pageeuiceadsolin na1L128"ef">pagesin naSREG"/a>)o cs="sref">lh"i_uicass="sref">pagei_uiceads"fs/execde_usesopen_"+13c3 hr)ass13cline" nam4.1L168"7lo130mment"> * Also note t7at w13c4 hr)ass13cline" nam4.1L168"7la hr13cli>130a href="fs/exec.c#L14nfmt"/a>);o130c.c#Lfs/execde_usesopen_"+13c6 hr)ass13cline" nam4.1L168"7lo130/exec.c#L137"> = -"a of="fs/ex7c.c#L75/a>);#enSet-gic?arisible until exe fs/execMMUa*13c7 hr)ass13ca>>o);#esible until exe fs/execMMUa*13c8 hr)ass13ccode=load_shlib" 7lnprm13cco>130"sref.c#L148" id.1L146" cla> | "a hrfsnotify* If setgic6isEsetnbut6no groepmuntiuteubituntin tsissible until exe fs/execMMUa*13c9 hr)ass13cEXPORT_SYMBOL" cl6ns="s13cEX>130s="sref">read_lock"/a6(&e | "a hrfsnotify* isEa candidste7a* Emandatorya 75=ing,6notEa setgicsible until exe fs/execMMUa*131a hr)ass13a href="fs/execde_7pa" c13a h>131 exec.c#L148" id.1L146" clae | "a hrfsnotify* untiutle_s"sible until exe fs/execMMUa*1311 hr)ass13  "a href="+code=r7pref=13  ">131+code=mnt" class="sre6">mnt64"line" fsnotify*isible until exe fs/execMMUa*13a2 hr)ass13  "a href="+code=r7p2" c13  ">131LARGEFILE"/a> | "a hr7=MAeY_72="line" nammod8"linlass="line"mod8eadse1ef="aeY_72="line" namS_ISGID unsigned lod_rS_ISGIDeads |a="+code=pages" S_IXGRP unsigned lod_rS_IXGRPeadseao131ref">fsnotifyFILE"/a> | "a hr7=MAL1777>217777o)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"user_ns"linlass="line"usof,r7f="+c72ec.c#L1in na1L128"ef">pagesin naSREG"/a>)o cs="sref">lh"i_gicass="sref">pagei_giceadsea>)oerd"fs/execde_uses13a4 hr)ass13=file" class="sref7p4="f13=fi>131a href="fs/exec.c#L1444444444444444446="lin6-ds="sref">lh"/aEPERM unsigned lod_rEPERMeads"fs/execde_usesopen_"+13a5 hr)ass13href="+code=linux_7p5="f13hre>131c.c#L176" id.">linux_________binprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"per_cleaa hr     continuper_cleaaeadsf|lPER_CLEAR_ON_SETID unsigned lod_rPER_CLEAR_ON_SETIDeads"fs/execde_usesopen_"+13a6 hr)ass13"line" nam4.1L168"7p6="f13"li>131/exec.c#L137"> = -"a ec.c#L14="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred"linlass="line"srec">ofL121"  cs="sref">lh"egicass="sref">pageegiceadsolin na1L128"ef">pagesin naSREG"/a>)o cs="sref">lh"i_gicass="sref">pagei_giceads"fs/execde_usesopen_"+13a7 hr)ass13a href="fs/execde_7p7="f13a h>131 href="+code=acct_argnfmt"/a>);o131lock"/a>);o);o131"/a> = "a href="+code7do_f132a hr)ass13"line" nam4.1L168"7R"/a>13"li>132 sref">linux_bf="fs/ex7c.c#L75/a>);#enfi exin binpr6x"esxeity bloby*isible until exe fs/execMMUa*13"1 hr)ass13href="+code=linux_7Rref=13hre>1321exec.c#L137">"+code=pages" retval unsigned lod_rretvaleadsolsesxeity_bpr6_se=_creds unsigned lod_rsesxeity_bpr6_se=_credseads=="+code=pages" bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+1322 hr)ass13+code=load_shlib" 7R1L1113+co>132ode=file" cla_opeY_72="line" namretval unsigned lod_rretvaleadsa>)oerd"fs/execde_uses1323 hr)ass13"line" nam4.1L168"7sref"13"li>132ref">fsnotifyFILE"/a>6="lin6="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+1324 hr)ass13a href="fs/execde_7ia hr13a h>132a href="fs/exbinprm"/6> *"a6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"cred_prepanod"linlass="line"srec_prepanodeadso132c.c#Lfs/execde_usesopen_"+1326 hr)ass13="+code=CONFIG_MMU7s6="f13="+>132/exec.c#L137" id.1L137" cla7memse="linlass="line"memse=eads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"buf"linlass="line"buf">of,r0,r7f="+c72ec.c#L1BINPRM_BUF_SIZE"linlass="line"BINPRM_BUF_SIZEa hra"fs/execde_usesopen_"+1327 hr)ass13/a>>o>132 href="+code=6="lin6="+code=pages" kernel_ss=7 unsigned lod_rkernel_ss=7eads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeads,r0,r7f="+c72ec.c#L1bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"buf"linlass="line"buf">of,r7f="+c72ec.c#L1BINPRM_BUF_SIZE"linlass="line"BINPRM_BUF_SIZEa hra"fs/execde_usesopen_"+1328 hr)ass13href="+code=linux_7R8="f13hre>132"srefnfmt"/a>);o132"/a> = "a href="+code7do_f133a hr)ass13"line" nam4.1L168"7_open13"li>133 exec.s="sref">lh"/aEXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" prepano_binpr6"linlass="line"prepano_binpr6SREGa"fs/execde_usesopen_"+1331 hr)ass13href="+code=linux_7_ref=13hre>133_HEAD"/a>("a href="+c7ode=1332 hr)ass13"line" nam4.1L168"7_1L1113"li>133e=rea=mnt" class="sre6">mnt#esible until exe fs/execMMUa*13"3 hr)ass13href="+code=linux_7)o133/exec.c#L134" id.1L137" cla7*7Argu7" cs anote unt\0e untx"epanstex67trings7a*undaat e"a  75ationxbpr6"/a>)psible until exe fs/execMMUa*13"4 hr)ass13href="+code=linux_7)a hr13hre>133.1L135">2135"/a>o)pxtoEright aftaasible until exe fs/execMMUa*13"5 hr)ass13m4.1L178">2178"/a>7) hre13m4.>133or"/a> = -"a href="+c7de=EI7* ntilfirst e unt\0e untxenaouc#133/exec=mnt" class="sre6">mnt6*isible until exe fs/execMMUa*1337 hr)ass13"line" nam4.1L168"7_8" i13"li>133c#L88ign7="+code=pages" remove_arg_zero unsigned lod_rremove_arg_zeroeads="sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hra>)oerd"fs/execde_uses1338 hr)ass13ef="+code=linux_bi7)8="f13ef=>133lock"=pages"open_"+co_flags1339 hr)ass13a href="fs/execde_7ss="s13a h>133or"/a> = -"a ign7="+code=pages" ret unsigned lod_rreteadso134l href="fs/exunafs/ed.logg7="+code=pages" offse="linlass="line"offse=eads"fs/execde_usesopen_"+1341 hr)ass13  "a href="+code=r7;href13  ">134+code=mnt" clcharef="+code=pages" kadda hr     continukaddaeads"fs/execde_usesopen_"+1342 hr)ass13  "a href="+code=r7;1L1113  ">134LARGEFILE"/a>"sref">lh"/a>kernel_repage"linlass="line"pagea href="+code=pages" page"linlass="line"pagea hr"fs/execde_usesopen_"+1343 hr)ass13  "a href="+code=r7;o134mment"> * Also note t7at w1344 hr)ass13a href="fs/execde_7/a hr13a h>134a href="fs/ex7=MAL1777>217777o)o cs="sref">lh"argeL170" ies_pid"/argea hra>)oerd"fs/execde_uses1345 hr)ass13  "a href="+code=r7; hre13  ">134c.c#L176" id.">linux_6="lin6sixck_base    a= 1 <1346 hr)ass13  "a href="+code=r7;6="f13  ">134"sref">linux_binfmt"/7a> *1347 hr)ass13  "a href="+code=r7;8" i13  ">134 href="+code=doo=pages"open_"+co_flags1348 hr)ass13  "a href="+code=r7;8="f13  ">134lock"/a>);olbpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"p unsigned lod_rpSREGo1ef="a~ hr9ss="sref">lPAGE_MASK unsigned lod_rPAGE_MASKa hr"fs/execde_usesopen_"+1349 hr)ass13  "a href="+code=r7;s="s13  ">134or"/a> = -"a href="+clh"/a>kernel_repage"linlass="line"pagea hrelge=_arg_page"linlass="line"ge=_arg_pageeads=="+code=pages" bpr6"linlass="line"bpr6a hr,r7f="+c72ec.c#L1bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"p unsigned lod_rpSREG,40a"fs/execde_usesopen_"+135a hr)ass13"line" nam4.1L168"7class13"li>135l href="fs/exec.c#L147=MAL1777>217777o *"a6ret unsigned lod_rreteadsolh"/aEFAULT unsigned lod_rEFAULTa hr"fs/execde_usesopen_"+1352 hr)ass13"line" nam4.1L168"7lass=13"li>135LARGEFILE"/a> | "a hrfsnotifygotoE="+code=pages" ou="linlass="line"ou=eads"fs/execde_usesopen_"+1353 hr)ass13"line" nam4.1L168"7lo135ref">fsnotifyFILE"/a>nfmt"/a>);o135a href="fs/exec.c#L14="+code=pages" kadda hr     continukaddaeadselkmap_atomieL170" ies_pid"/kmap_atomieeads=="+code=pages" page"linlass="line"pagea hra"fs/execde_usesopen_"+1355 hr)ass13"line" nam4.1L168"72156"13"li>135c.c#Lfs/execde_usesopen_"+1356 hr)ass13  "a href="+code=r72o135/exec.c#L137"> = -"a a* E("a="+code=pages" offse="linlass="line"offse=eadse<go cs="sref">lh"PAGE_SIZE"linlass="line"PAGE_SIZESREGo1ef="1ef="a="+code=pages" kadda hr     continukaddaeads[="+code=pages" offse="linlass="line"offse=eads]"fs/execde_usesopen_"+1357 hr)ass13="+code=CONFIG_MMU728" i13="+>135 href="+code=acct_argile" claec.c#L14="+code=pages" offse="linlass="line"offse=eads++,r7f="+c72ec.c#L1bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"p unsigned lod_rpSREG++a>)oerd"fs/execde_uses1358 hr)ass13"line" nam4.1L168"728="f13"li>135lock"/a>);o = "a href="+code7do_f136a hr)ass13href="+code=linux_7lass=13hre>136l href="fs/exec.c#L147" id.74="+codekunmap_atomieL170" ies_pid"/kunmap_atomieeads=="+code=pages" kadda hr     continukaddaeadsa"fs/execde_usesopen_"+1361 hr)ass1372" id.1L172" clas7l=fmt1372">136+code=mnt" class="sreo cs="sref">lh"pu=_arg_page"linlass="line"pu=_arg_pageeads=="+code=pages" page"linlass="line"pagea hra"fs/execde_usesopen_"+13h2 hr)ass13a href="fs/execde_7lass=13a h>136LARGEfs/execde_usesopen_"+13h3 hr)ass13+code=load_shlib" 7lo136ref">fsnotifyFILE"/a>_opeY_72="line" namoffse="linlass="line"offse=eadse<lPAGE_SIZE"linlass="line"PAGE_SIZESREGa>)oerd"fs/execde_uses13h4 hr)ass13"line" nam4.1L168"7la hr13"li>136a href="fs/exec.c#L14ass="sreo cs="sref">lh"free_arg_page"linlass="line"free_arg_pageeads=="+code=pages" bpr6"linlass="line"bpr6a hr,r=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"p unsigned lod_rpSREGo1a>)1gt;go cs="sref">lh"PAGE_SHIFT unsigned lod_rPAGE_SHIFTa hrao- 1a"fs/execde_usesopen_"+13h5 hr)ass13"line" nam4.1L168"7l156"13"li>136c.c#L176" id.} whilepeY_72="line" namoffse="linlass="line"offse=eadse<lPAGE_SIZE"linlass="line"PAGE_SIZESREGa"fs/execde_usesopen_"+13h6 hr)ass13+code=load_shlib" 7lo136"sref">linux_binfmt"/7a> *1367 hr)ass13+code=load_shlib" 7l8" i13+co>136rite_lock"/a>(&"a6 href6bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"p unsigned lod_rpSREG++"fs/execde_usesopen_"+13h8 hr)ass13+code=load_shlib" 7l8="f13+co>136lock"/a>);o217777o)o cs="sref">lh"argeL170" ies_pid"/argea hr--"fs/execde_usesopen_"+13h9 hr)ass1372" id.1L172" clas7ls="s1372">136s="sref">read_lock"/a7(&7ret unsigned lod_rreteadso137lsref">linux_binfmt"/7a> *1371 hr)ass1372" id.1L172" clas7="lin1372">13"_HEAD="+code=pages" ou="linlass="line"ou=eads:">linux_binfmt"/7a> *1372 hr)ass13"line" nam4.1L168"7pa" c13"li>137ode=file" cla6="lin6="+code=pages" ret unsigned lod_rreteadsixck_base    a= 1 <1373 hr)ass13a href="fs/execde_7po137D"/a>nfmt"/a>);o137ec.c#.s="sref">lh"/aEXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" remove_arg_zero unsigned lod_rremove_arg_zeroeadsa"fs/execde_usesopen_"+1375 hr)ass13t" class="sref">pu7 156"13t" >137c.c#Lfs/execde_usesopen_"+13"6 hr)ass13"line" nam4.1L168"7 o137/exec=mnt" class="sre6">mnt#esible until exe fs/execMMUa*13"7 hr)ass13a href="fs/execde_7p8" i13a h>137/exec.c#L148" id.1L146" clae* cycleuntillistxoinbinaryaa* mats handler, until onea6=cognizesxe"a imageeable until exe fs/execMMUa*13"8 hr)ass13"line" nam4.1L168"7 8="f13"li>137"sref.c#L148" id.1L146" clae*isible until exe fs/execMMUa*13"9 hr)ass13=EXPORT_SYMBOL" cl7 s="s13=EX>137s="srign7="+code=pages" search_binary_handler unsigned lod_rsearch_binary_handlereads="sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hr,"sref">lh"/a>kernel_rept_reg, unsigned lod_rpt_reg,a href="+code=pages" reg, unsigned lod_rreg,a hra>)oerd"fs/execde_uses138a hr)ass13a href="fs/execde_7ass=r13a h>138 exec=pages"open_"+co_flags1381 hr)ass13"line" nam4.1L168"7a"lin13"li>138+code=mnt" clunafs/ed.ign7="+code=pages" depth"linlass="line"deptheadselbpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"resxesion_depth"linlass="line"resxesion_deptheadsixck_base    a= 1 <1382 hr)ass13ass="sref">formats7aa" c13ass>138ode=file" cla_gn7="+code=pages" tr.1L128"ef">pagestr.eads,="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+1383 hr)ass13"line" nam4.1L168"7ao138ref">fsnotify"sref">lh"/a>kernel_re.1Lux_binfmt unsigned lod_r.1Lux_binfmta href="+code=pages" fmt unsigned lod_rfmta hr"fs/execde_usesopen_"+1384 hr)ass13=file" class="sref7=a hr13=fi>138a href="fs/exbinprm"/6> *"a6pid_t"linlass="line"pid_t href="+code=pages" old_picass="sref">pageold_pica hr,r7f="+c72ec.c#L1old_vpicass="sref">pageold_vpiceads"fs/execde_usesopen_"+1385 hr)ass13"line" nam4.1L168"7a156"13"li>138c.c#Lfs/execde_usesopen_"+1386 hr)ass13a href="fs/execde_7ao138/exec.c#L137" id.1L137" cla7retval unsigned lod_rretvaleadsolsesxeity_bpr6_check unsigned lod_rsesxeity_bpr6_checkeads=="+code=pages" bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+1387 hr)ass13"line" nam4.1L168"7a8" i13"li>138rite_lock"/a>_opeY_72="line" namretval unsigned lod_rretvaleadsa>)oerd"fs/execde_uses1388 hr)ass13  "a href="+code=r7=nprm13  ">138lock"/a>);o138"/a> = "a href="+code7do_f139a hr)ass13"line" nam4.1L168"7lass=13"li>139 sref">linux_binprm"/6> *"a6retval unsigned lod_rretvaleadsolaudit_bpr6s="sref">pages"audit_bpr6eads=="+code=pages" bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+1391 hr)ass1372" id.1L172" clas7l"lin1372">1391exec.c#L137"7=MAY_72="line" namretval unsigned lod_rretvaleadsa>)oerd"fs/execde_uses1392 hr)ass13"line" nam4.1L168"7la" c13"li>139LARGEFILE"/a> | "a hr6="lin6="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+1393 hr)ass13"line" nam4.1L168"7lo139mment"> * Also note t7at w1394 hr)ass13"line" nam4.1L168"7la hr13"li>139a href="fs/exbf="fs/ex7c.c#L75/a>);#enNeed.to fetch pic bea* a  7ad_binaryachanges it6*isible until exe fs/execMMUa*1395 hr)ass13="+code=CONFIG_MMU7l156"13="+>13"c.c#L176" id.="+code=pages" old_picass="sref">pageold_pica hrolexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"picass="sref">pagepiceads"fs/execde_usesopen_"+1396 hr)ass13"line" nam4.1L168"7lo139/exec.c#L137" id.1L137" cla7rcu_ss=78 75="linlass="line"rcu_ss=78 75=SREG"eixck_base    a= 1 <1397 hr)ass13/a>>o(&"a6 href6old_vpicass="sref">pageold_vpiceadsoltask8pid_nr_ns"linlass="line"task8pid_nr_nseads=="+code=pages" exec.c#"linlass="line"sxec.c#">of,e hr9ss="sref">ltask8active_pid_ns"linlass="line"task8active_pid_nseads=="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"pac.c#"linlass="line"pac.c#eadsaeixck_base    a= 1 <1398 hr)ass13+code=load_shlib" 7lnprm13+co>139lock"/a>);o217777o = "a href="+code7do_f14ca hr)ass14ca hORT_SYMBOL" cl6ns="s14ca >140 sref">linux_binprm"/6> *"a6retval unsigned lod_rretvaleadsolh"/aENOENT unsigned lod_rENOENTeads"fs/execde_usesopen_"+14c1 hr)ass14c2" id.1L172" clas7l"lin14c2">140+code=mnt" cla* E(Y_72="line" namtr.1L128"ef">pagestr.eads=0"a="+code=pages" tr.1L128"ef">pagestr.eads<2"a="+code=pages" tr.1L128"ef">pagestr.eads++ao=pages"open_"+co_flags14c2 hr)ass14cline" nam4.1L168"7la" c14cli>140LARGEFILE"/a> | "a hrbinprm"/6> *"a6re=78 75="linlass="line"rs=78 75=SREG"ref="fs/execde_usesrbinfmt8 75="linlass="line"binfmt8 75=a hra"fs/execde_usesopen_"+14c3 hr)ass14cline" nam4.1L168"7lo140ref">fsnotifyFILE"/a>lh"/a>kernel_re.1st_a* _each_8ntr.1L128"ef">pages.1st_a* _each_8ntr.eads=="+code=pages" fmt unsigned lod_rfmta hr, ref="fs/execde_usesra* mats unsigned lod_rf* mats">of,e hr9ss="sref">llh"linlass="line"lha hrao=pages"open_"+co_flags14c4 hr)ass14cline" nam4.1L168"7la hr14cli>140a href="fs/exec.c#L14.c#L137"7gn7(f="+code=pages" fn unsigned lod_rfna hra="sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href,>"sref">lh"/a>kernel_rept_reg, unsigned lod_rpt_reg,a href)olfmt unsigned lod_rfmta hr"/a>)o cs="sref">lh" 7ad_binary"linlass="line".7ad_binaryeads"fs/execde_usesopen_"+14c5 hr)ass14c"+code=CONFIG_MMU7l156"14c"+>140c.c#L176" id.">linux_________7=MAL1777>217777o140/exec.c#L137"> = -"a                 cont1Lue"fs/execde_usesopen_"+14c7 hr)ass14ca>>o217777o)o cs="sref">lh"/odule unsigned lod_r/oduleeadsaefs/execde_usesopen_"+14c8 hr)ass14ccode=load_shlib" 7lnprm14cco>140lock"/a>);o = -"a href="+cfsnotifybinprm"/6> *"a6re=78"a 75="linlass="line"rs=78"a 75=SREG"ref="fs/execde_usesrbinfmt8 75="linlass="line"binfmt8 75=a hra"fs/execde_usesopen_"+141a hr)ass14a href="fs/execde_7pa" c14a h>141l href="fs/exec.c#L14.c#L137" id.1L137" cla7retval unsigned lod_rretvaleadsolfn unsigned lod_rfna hr=="+code=pages" bpr6"linlass="line"bpr6a hr,r7f="+c72ec.c#L1reg, unsigned lod_rreg,a hra"fs/execde_usesopen_"+1411 hr)ass14  "a href="+code=r7pref=14  ">141+code=mnt" class="srefsnotifybmnt" class="sre6">mnt#esible until exe fs/execMMUa*14a2 hr)ass14  "a href="+code=r7p2" c14  ">141e=rea=mnt" class="sre6">mnta href="fffffffff        * Rest* a e"a depth aouc#"sarting valueeable until exe fs/execMMUa*14a3 hr)ass14  "a href="+code=r7pf="f14  ">141/exec.c#L134" id.1L137" cla7 href="fffffffff        * in tsisaci e,>"o wa done untt havextoErely on everyeable until exe fs/execMMUa*14a4 hr)ass14=file" class="sref7p4="f14=fi>141.1L135">2135"/a>o141or"/a> = -"a href="+c7de=EI7 href="fffffffff        *isible until exe fs/execMMUa*14a6 hr)ass14"line" nam4.1L168"7p6="f14"li>141/exec.c#L137"> = -"a ec.c#L14="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"resxesion_depth"linlass="line"resxesion_deptheadsoldepth"linlass="line"deptheads"fs/execde_usesopen_"+1417 hr)ass14a href="fs/execde_7p7="f14a h>141 href="+code=acct_arggggggggg7=MAY_72="line" namretval unsigned lod_rretvaleadso1a>)= 0ao=pages"open_"+co_flags14a8 hr)ass14  "a href="+code=r7p8="f14  ">141lock"/a>);o141or"/a> = -"a href="+cfsnotify> = -"a ec.c#L14="+code=pages" tracc_schec_procf="_co_f unsigned lod_rtracc_schec_procf="_co_feads=="+code=pages" exec.c#"linlass="line"sxec.c#">of,e hr9ss="sref">lold_picass="sref">pageold_pica hr,r7f="+c72ec.c#L1bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+142a hr)ass14"line" nam4.1L168"7R"/a>14"li>142l href="fs/exec.c#L14.c#L137"href="+cec.c#L14="+code=pages" ptracc_evec#"linlass="line"ptracc_evec#eads=="+code=pages" PTRACE_EVENT_EXEC"linlass="line"PTRACE_EVENT_EXECa hr,r7f="+c72ec.c#L1old_vpicass="sref">pageold_vpiceadsa"fs/execde_usesopen_"+1421 hr)ass14href="+code=linux_7Rref=14hre>142+code=mnt" class="srefsnotifyyyyyyyyynfmt"/a>);o142LARGEFILE"/a> | "a hrfsnotifyec.c#L14="+code=pages" put_binfmt unsigned lod_rput_binfmteads=="+code=pages" fmt unsigned lod_rfmta hra"fs/execde_usesopen_"+1423 hr)ass14"line" nam4.1L168"7sref"14"li>142ref">fsnotifyFILE"/a>fsnotifyec.c#L14="+code=pages" i eow_write_accf="s="sref">pages"a eow_write_accf="a hr=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsa"fs/execde_usesopen_"+1424 hr)ass14a href="fs/execde_7ia hr14a h>142a href="fs/exec.c#L14.c#L137"""""""""7=MAY_72="line" nambpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsefs/execde_usesopen_"+1425 hr)ass14  "a href="+code=r7s hre14  ">142c.c#L176" id.">linux_________fsnotifyec.c#L14="+code=pages" fpu="linlass="line"fpu=a hr=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsa"fs/execde_usesopen_"+1426 hr)ass14="+code=CONFIG_MMU7s6="f14="+>142/exec.c#L137"> = -"a                 ="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsolNULe" break;oof"fs/execde_usesopen_"+1427 hr)ass14/a>>o>142 href="+code=acct_argile" claec.c#L14="+code=pages" exec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"did_co_f unsigned lod_rdid_co_feadso142lock"/a>);oofa"fs/execde_usesopen_"+1429 hr)ass14  "a href="+code=r7s9="f14  ">142or"/a> = -"a href="+cfsnotify> = -"a 6="lin6="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+143a hr)ass14"line" nam4.1L168"7_open14"li>143l href="fs/exec.c#L14.c#L137"nfmt"/a>);o143+code=mnt" class="srefsnotifybinprm"/6> *"a6re=78 75="linlass="line"rs=78 75=SREG"ref="fs/execde_usesrbinfmt8 75="linlass="line"binfmt8 75=a hra"fs/execde_usesopen_"+1432 hr)ass14"line" nam4.1L168"7_1L1114"li>143LARGEFILE"/a> | "a hrfsnotifybinprm"/6> *"a6put_binfmt unsigned lod_rput_binfmteads=="+code=pages" fmt unsigned lod_rfmta hra"fs/execde_usesopen_"+14"3 hr)ass14href="+code=linux_7)o143ref">fsnotifyFILE"/a> | "a hr7=MAY_72="line" namretval unsigned lod_rretvaleadso!lh"/aENOEXEC"linlass="line"ENOEXECeadso||a="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"m6"linlass="line"mmeadse<=  hr9ss="sref">lNULe" break;oofefs/execde_usesopen_"+14"4 hr)ass14href="+code=linux_7)a hr14hre>143a href="fs/exec.c#L14.c#L137"""""""""brs=k"fs/execde_usesopen_"+14"5 hr)ass14m4.1L178">2178"/a>7) hre14m4.>143c.c#L176" id.">linux_________7=MAL1777>217777o)o cs="sref">lh"file"linlass="line"fileeadsao=pages"open_"+co_flags1436 hr)ass14href="+code=linux_7_6="f14hre>143/exec.c#L137"> = -"a                 ="+code=pages" re=78"a 75="linlass="line"rs=78"a 75=SREG"ref="fs/execde_usesrbinfmt8 75="linlass="line"binfmt8 75=a hra"fs/execde_usesopen_"+1437 hr)ass14"line" nam4.1L168"7_8" i14"li>143 href="+code=acct_argile" claec.c#L146="lin6="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+1438 hr)ass14ef="+code=linux_bi7)8="f14ef=>143lock"/a>);o);o = -"a href="+cnfmt"/a>);o144l href="fs/exec.c#L147" id.74="+codere=78"a 75="linlass="line"rs=78"a 75=SREG"ref="fs/execde_usesrbinfmt8 75="linlass="line"binfmt8 75=a hra"fs/execde_usesopen_"+1441 hr)ass14  "a href="+code=r7;href14  ">144+code#ifdef47" id.74="+codeCONFIG_MODULESs="sref">pages"CONFIG_MODULES/a> = "a href="+code7do_f1442 hr)ass14  "a href="+code=r7;1L1114  ">144LARGEFILE"/a> | "a hr7=MAY_72="line" namretval unsigned lod_rretvaleadso!lh"/aENOEXEC"linlass="line"ENOEXECeadso||a="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"m6"linlass="line"mmeadse<=  hr9ss="sref">lNULe" break;oofeo=pages"open_"+co_flags1443 hr)ass14  "a href="+code=r7;o144ref">fsnotifyFILE"/a> | "a hrbrs=k"fs/execde_usesopen_"+1444 hr)ass14a href="fs/execde_7/a hr14a h>144a href="fs/exec.c#L14n_elsee=pages"open_"+co_flags1445 hr)ass14  "a href="+code=r7; hre14  ">144c.c#L#defcod ="+code=pages" printle_s unsigned lod_rprintle_seads=="+code=pages" e"linlass="line"s">ofeo(AeY_72="line" name"linlass="line"s">ofe==> = -"a href=7tring">e unt\te untsible u)o||aAeY_72="line" name"linlass="line"s">ofe==> = -"a href=7tring">e unt\ne untsible u)o||aA0x20<==="+code=pages" e"linlass="line"s">ofeo1ef="1ef="a=="+code=pages" e"linlass="line"s">ofe<=0x7eaefs/execde_usesopen_"+1446 hr)ass14  "a href="+code=r7;6="f14  ">144/exec.c#L137"> = -"a         7=MAY_72="line" namprintle_s unsigned lod_rprintle_seads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"buf"linlass="line"buf">of[0]ae1ef="1ef="L175" id.1L175" 7lass1447 hr)ass14  "a href="+code=r7;8" i14  ">144 href="+code=acct_argile" claec.cY_72="line" namprintle_s unsigned lod_rprintle_seads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"buf"linlass="line"buf">of[1]ae1ef="1ef="L175" id.1L175" 7lass1448 hr)ass14  "a href="+code=r7;8="f14  ">144lock"/a>);o)o cs="sref">lh"buf"linlass="line"buf">of[2]ae1ef="1ef="L175" id.1L175" 7lass1449 hr)ass14  "a href="+code=r7;s="s14  ">144or"/a> = -"a href="+cile" claec.cY_72="line" namprintle_s unsigned lod_rprintle_seads=="+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"buf"linlass="line"buf">of[3]aefs/execde_usesopen_"+145a hr)ass14"line" nam4.1L168"7class14"li>145l href="fs/exec.c#L144444444444444444brs=k"xbf="fs/ex7c.c#L75/a>);#en-ENOEXEC *isible until exe fs/execMMUa*1451 hr)ass14a href="fs/execde_7e=fmt14a h>145+code=mnt" class="srefsnotify7=MAY_72="line" namtr.1L128"ef">pagestr.eadsefs/execde_usesopen_"+1452 hr)ass14"line" nam4.1L168"7lass=14"li>145LARGEFILE"/a> | "a hrfsnotify44444444brs=k"xbf="fs/ex7c.c#L75/a>);#en-ENOEXEC *isible until exe fs/execMMUa*1453 hr)ass14"line" nam4.1L168"7lo145ref">fsnotifyFILE"/a> claec.cY_72="line" namrequest_/odule unsigned lod_rrequest_/oduleeads== = -"a href=7tring">equot;binfmt-e u7;04xequot;sible u, *(unafs/ed.short *)"ref="fs/execde_usesrbpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"buf"linlass="line"buf">of[2]aa"fs/execde_usesopen_"+1454 hr)ass14"line" nam4.1L168"7la hr14"li>145a href="fs/exec.c#L14nfmt"/a>);o145c.c#L#elsefmt"/a>);o145/exec.c#L137"> = -"a brs=k"fs/execde_usesopen_"+1457 hr)ass14="+code=CONFIG_MMU728" i14="+>145 href#endiffs/execde_usesopen_"+1458 hr)ass14"line" nam4.1L168"728="f14"li>145lock"/a>);o);o = -"a 6="lin6="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+146a hr)ass14href="+code=linux_7lass=14hre>146l hrenfmt"/a>);o146_HEAD"/a>("a href="+c7ode=14h2 hr)ass14a href="fs/execde_7lass=14a h>146LARGEds="sref">lh"/aEXPORT_SYMBOL unsigned lod_rEXPORT_SYMBOLeads=="+code=pages" search_binary_handler unsigned lod_rsearch_binary_handlereadsa"fs/execde_usesopen_"+14h3 hr)ass14+code=load_shlib" 7lo146mment"> * Also note t7at w14h4 hr)ass14"line" nam4.1L168"7la hr14"li>146.1L135">2135"/a>o146or"/a> = -"a href="+c7de=EI7* sy"_co_fve()muntiutesEa new program"sible until exe fs/execMMUa*14h6 hr)ass14+code=load_shlib" 7lo146/exec=mnt" class="sre6">mnt6*isible until exe fs/execMMUa*1467 hr)ass14+code=load_shlib" 7l8" i14+co>146rite_static.ign7="+code=pages" do_co_fve_sre6on unsigned lod_rdo_co_fve_sre6oneads=constlcharef="+code=pages" file 7l8"linlass="line"file 7l8a hr,ntil exe fs/execMMUa*1468 hr)ass14+code=load_shlib" 7l8="f14+co>146lock"/a>);olh"/a>kernel_reuspages"argva hr,ntil exe fs/execMMUa*1469 hr)ass1472" id.1L172" clas7ls="s1472">146or"/a> = -"a href="+cfsnotify> = -"a "sref">lh"/a>kernel_reus147l href="fs/exec.c#L144444444444444444"sref">lh"/a>kernel_rept_reg, unsigned lod_rpt_reg,a href="+code=pages" reg, unsigned lod_rreg,a hra>)oerd"fs/execde_uses1471 hr)ass1472" id.1L172" clas7="lin1472">14"_HEAD=pages"open_"+co_flags1472 hr)ass14"line" nam4.1L168"7pa" c14"li>147LARGEFILE"/a>"sref">lh"/a>kernel_re.1Lux_binpr6"linlass="line".1Lux_binpr6a href="+code=pages" bpr6"linlass="line"bpr6a hr"fs/execde_usesopen_"+1473 hr)ass14a href="fs/execde_7po147ref">fsnotify"sref">lh"/a>kernel_refile"linlass="line"fileeadsof="+code=pages" file"linlass="line"fileeads"fs/execde_usesopen_"+1474 hr)ass14"line" nam4.1L168"7 a hr14"li>1474ef">fsnotify"sref">lh"/a>kernel_refiles_"sref""linlass="line"files_"sref"eadsof="+code=pages" displacod"linlass="line"displacodeads"fs/execde_usesopen_"+1475 hr)ass14t" class="sref">pu7 156"14t" >147c.c#L176" id.="+code=pages" bool unsigned lod_rboolock"/="+code=pages" cleaa_in_co_f unsigned lod_rcleaa_in_co_feads"fs/execde_usesopen_"+1476 hr)ass14"line" nam4.1L168"7 o147/exec.c#L137"ign7="+code=pages" retval unsigned lod_rretvaleads"fs/execde_usesopen_"+14"7 hr)ass14a href="fs/execde_7p8" i14a h>147 href="+code=constl"sref">lh"/a>kernel_recred"linlass="line"srec">ofof="+code=pages" cred"linlass="line"srec">ofolexec.c#_cred"linlass="line"sxec.c#_credeads=a"fs/execde_usesopen_"+14"8 hr)ass14"line" nam4.1L168"7 8="f14"li>147"sreffs/execde_usesopen_"+14"9 hr)ass14=EXPORT_SYMBOL" cl7 s="s14=EX>147s="sref">read_">2135"/a>o148 exec.c#L148" id.1L146" clae | "a hr* We move e"a actual failu a i148asexoinRLIMIT_NPROCmuncf=" fromsible until exe fs/execMMUa*1481 hr)ass14"line" nam4.1L168"7a"lin14"li>148+code=mnt" class="sre6">mnt64"line" * set*uid()mto co_fve()mbecausformats7aa" c14ass>148e=rea=mnt" class="sre6">mnta href="f* done untt check setuid()m6="lin6ef">.  He a wa additionally rlcheckeable until exe fs/execMMUa*1483 hr)ass14"line" nam4.1L168"7ao148/exec.c#L134" id.1L137" cla7 href="f* whee"ar NPROCmlimit6isEsti exuncfeded"sible until exe fs/execMMUa*1484 hr)ass14=file" class="sref7=a hr14=fi>148.1L135">2135"/a>o148c.c#L176" id.7=MAeY_72="line" namexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"flag, unsigned lod_rflag,.c#L11ef="a="+code=pages" PF_NPROC_EXCEEDED unsigned lod_rPF_NPROC_EXCEEDED">ofeo1ef="1ef="ntil exe fs/execMMUa*1486 hr)ass14a href="fs/execde_7ao148/exec.c#L137"> = ="+code=pages" itomie_ss=7 unsigned lod_ritomie_ss=7SREG"ref="fs/execde_usesrcred"linlass="line"srec">ofL121"  cs="sref">lh"user unsigned lod_rusofL121"  cs="sref">lh"procf="e, unsigned lod_rprocf="e,">ofeo1gt;go cs="sref">lh"rlimit unsigned lod_rrlimiteads=="+code=pages" RLIMIT_NPROC unsigned lod_rRLIMIT_NPROC">ofeeo=pages"open_"+co_flags1487 hr)ass14"line" nam4.1L168"7a8" i14"li>148 href="+code=acct_argo_72="line" namretval unsigned lod_rretvaleadsolh"/aEAGAIN unsigned lod_rEAGAINeads"fs/execde_usesopen_"+1488 hr)ass14  "a href="+code=r7=nprm14  ">148lock"/a>);o148s="sref">readnfmt"/a>);o149lsref">linux_binfmt"/7a> *1491 hr)ass1472" id.1L172" clas7l"lin1472">1491exec.c#L137"bf="fs/ex7c.c#L75/a>);#enWee unt a belowuntillimit6(sti exor again),>"o wa done untt wagn7toEmakeeable until exe fs/execMMUa*1492 hr)ass14"line" nam4.1L168"7la" c14"li>149e=rea=mnt" class="sre6">mnta href="f* fure"ar co_fve()mci es fail.f*isible until exe fs/execMMUa*1493 hr)ass14"line" nam4.1L168"7lo149ref">fsnotifyY_72="line" namexec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"flag, unsigned lod_rflag,.c#L11ef="=a~ hr9ss="sref">lPF_NPROC_EXCEEDED unsigned lod_rPF_NPROC_EXCEEDED">of"fs/execde_usesopen_"+1494 hr)ass14"line" nam4.1L168"7la hr14"li>149a hrefs/execde_usesopen_"+1495 hr)ass14="+code=CONFIG_MMU7l156"14="+>14"c.c#L176" id.="+code=pages" retval unsigned lod_rretvaleadsolunshano_files unsigned lod_runshano_filesSREG"ref="fs/execde_usesrdisplacod"linlass="line"displacodeadsa"fs/execde_usesopen_"+1496 hr)ass14"line" nam4.1L168"7lo149/exec.c#L137"7=MAY_72="line" namretval unsigned lod_rretvaleadsa>)oerd"fs/execde_uses1497 hr)ass14/a>>o149"sreffs/execde_usesopen_"+1499 hr)ass14=EXPORT_SYMBOL" cl6ns="s14=EX>149s="sref">read_lock"/a7(&7retval unsigned lod_rretvaleadsolh"/aENOMEM unsigned lod_rENOMEMeads"fs/execde_usesopen_"+15ca hr)ass15ca hORT_SYMBOL" cl6ns="s15ca >150 sref">linux_binprm"/6> *"a6bpr6"linlass="line"bpr6a hrelkza eoeL170" ies_pid"/kza eoeSREG"sizeof(f="+code=pages" bpr6"linlass="line"bpr6a hra,r7f="+c72ec.c#L1GFP_KERNEL unsigned lod_rGFP_KERNELeadsa"fs/execde_usesopen_"+15c1 hr)ass15c2" id.1L172" clas7l"lin15c2">1501exec.c#L137"7=MAL1777>217777o)oerd"fs/execde_uses15c2 hr)ass15cline" nam4.1L168"7la" c15cli>150LARGEFILE"/a> | "a hrgotoE="+code=pages" ou=_files unsigned lod_rou=_fileseads"fs/execde_usesopen_"+15c3 hr)ass15cline" nam4.1L168"7lo150mment"> * Also note t7at w15c4 hr)ass15cline" nam4.1L168"7la hr15cli>150a href="fs/ex="+code=pages" retval unsigned lod_rretvaleadsolprepano_bpr6_creds unsigned lod_rprepano_bpr6_credseads=="+code=pages" bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+15c5 hr)ass15c"+code=CONFIG_MMU7l156"15c"+>150c.c#L176" id.7=MAY_72="line" namretval unsigned lod_rretvaleadsa>)oerd"fs/execde_uses15c6 hr)ass15cline" nam4.1L168"7lo150/exec.c#L137"> = -"a gotoE="+code=pages" ou=_free"linlass="line"ou=_freeeads"fs/execde_usesopen_"+15c7 hr)ass15ca>>o150lock"/a>);o217777olcheck_unsafe_co_f unsigned lod_rcheck_unsafe_co_feads=="+code=pages" bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+15c9 hr)ass15cEXPORT_SYMBOL" cl6ns="s15cEX>150or"/a> = -"a 7=MAY_72="line" namretval unsigned lod_rretvaleadso1lt;g0a>)oerd"fs/execde_uses151a hr)ass15a href="fs/execde_7pa" c15a h>151l href="fs/exec.c#L14gotoE="+code=pages" ou=_free"linlass="line"ou=_freeeads"fs/execde_usesopen_"+1511 hr)ass15  "a href="+code=r7pref=15  ">1511exec.c#L137">"+code=pages" cleaa_in_co_f unsigned lod_rcleaa_in_co_feadsolretval unsigned lod_rretvaleads"fs/execde_usesopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">1512exec.c#L137">"+code=pages" cxec.c#"linlass="line"sxec.c#">of"/a>)o cs="sref">lh"in_co_fve"linlass="line"in_co_fveeadso151mment"> * Also note t7at w15a4 hr)ass15=file" class="sref7p4="f15=fi>151a href="fs/ex="+code=pages" file"linlass="line"fileeadsolopen_co_f unsigned lod_ropen_co_feads=="+code=pages" file 7l8"linlass="line"file 7l8a hra"fs/execde_usesopen_"+15a5 hr)ass15href="+code=linux_7p5="f15hre>151c.c#L176" id.="+code=pages" retval unsigned lod_rretvaleadsolPTR_ERR unsigned lod_rPTR_ERReads=="+code=pages" file"linlass="line"fileeadsa"fs/execde_usesopen_"+15a6 hr)ass15"line" nam4.1L168"7p6="f15"li>151/exec.c#L137"7=MAY_72="line" namIS_ERR unsigned lod_rIS_ERReads=="+code=pages" file"linlass="line"fileeadsaa>)oerd"fs/execde_uses1517 hr)ass15a href="fs/execde_7p7="f15a h>151 href="+code=acct_arggotoE="+code=pages" ou=_unmar="linlass="line"ou=_unmar=eads"fs/execde_usesopen_"+15a8 hr)ass15  "a href="+code=r7p8="f15  ">151"sreffs/execde_usesopen_"+15a9 hr)ass15"line" nam4.1L168"7p9="f15"li>151s="sref">read_lock"/a7(&7schec_co_f unsigned lod_rschec_co_feads=a"fs/execde_usesopen_"+152a hr)ass15"line" nam4.1L168"7R"/a>15"li>152lsref">linux_binfmt"/7a> *1521 hr)ass15href="+code=linux_7Rref=15hre>1521exec.c#L137">"+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file"linlass="line"fileeadsolfile"linlass="line"fileeads"fs/execde_usesopen_"+1522 hr)ass15+code=load_shlib" 7R1L1115+co>1522exec.c#L137">"+code=pages" bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"file 7l8"linlass="line"file 7l8a hrolfile 7l8"linlass="line"file 7l8a hr"fs/execde_usesopen_"+1523 hr)ass15"line" nam4.1L168"7sref"15"li>152ref">fsnotifyY_72="line" nambpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"ic#lfile 7l8"linlass="line"file 7l8a hr"fs/execde_usesopen_"+1524 hr)ass15a href="fs/execde_7ia hr15a h>152a hrefs/execde_usesopen_"+1525 hr)ass15  "a href="+code=r7s hre15  ">152c.c#L176" id.="+code=pages" retval unsigned lod_rretvaleadsolbpr6_mm_init unsigned lod_rbpr6_mm_initeads=="+code=pages" bpr6"linlass="line"bpr6a hra"fs/execde_usesopen_"+1526 hr)ass15="+code=CONFIG_MMU7s6="f15="+>152/exec.c#L137"7=MAY_72="line" namretval unsigned lod_rretvaleadsa>)oerd"fs/execde_uses1527 hr)ass15/a>>o>152 href="+code=acct_arggotoE="+code=pages" ou=_file unsigned lod_rou=_filea hr"fs/execde_usesopen_"+1528 hr)ass15href="+code=linux_7R8="f15hre>152"sreffs/execde_usesopen_"+1529 hr)ass15  "a href="+code=r7s9="f15  ">152s="sref">read_lock"/a7(&7bpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"argeL170" ies_pid"/argea hrolcouc#"linlass="line"souc#eads=="+code=pages" irgvs="sref">pages"argva hr,a hr9ss="sref">lMAX_ARG_STRINGSs="sref">pages"MAX_ARG_STRINGSa hra"fs/execde_usesopen_"+153a hr)ass15"line" nam4.1L168"7_open15"li>153l href="fs/ex7=MAeY_72="line" namretval unsigned lod_rretvaleadsolbpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"argeL170" ies_pid"/argea hr)o1lt;g0a>)oerd"fs/execde_uses1531 hr)ass15href="+code=linux_7_ref=15hre>153+code=mnt" class="sregotoE="+code=pages" ou="linlass="line"ou=eads"fs/execde_usesopen_"+1532 hr)ass15"line" nam4.1L168"7_1L1115"li>153LARGEfs/execde_usesopen_"+15"3 hr)ass15href="+code=linux_7)o153ref">fsnotifyY_72="line" nambpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"enveL170" ies_pid"/envea hrolcouc#"linlass="line"souc#eads=="+code=pages" envp unsigned lod_renvpa hr,a hr9ss="sref">lMAX_ARG_STRINGSs="sref">pages"MAX_ARG_STRINGSa hra"fs/execde_usesopen_"+1534 hr)ass15href="+code=linux_7)a hr15hre>153a href="fs/ex7=MAeY_72="line" namretval unsigned lod_rretvaleadsolbpr6"linlass="line"bpr6a hr"/a>)o cs="sref">lh"enveL170" ies_pid"/envea hr)o1lt;g0a>)oerd"fs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L176" id.">linux_gotoE="+code=pages" ou="linlass="line"ou=eads"fs/execde_usesopen_"+1536 hr)ass15href="+code=linux_7_6="f15hre>153"sref">linux_binfmt"/7a> *1537 hr)ass15"line" nam4.1L168"7_8" i15"li>153rite_lock"/a>(&"a6 href6retval unsigned lod_rretvaleadsolprepano_binpr6"linlass="line"line" nam4.1L157l156"14c"+>140c.c#L176" id.">linux_________7=M87=MAY_72="line" namretval3=78"a 75=SREG"ref="fs/exerbinf732>140c.c#L176" id.">linux__"+1505bi7)8="f14ef=>143lock"/a>5;ofs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L176"s14a href=5fs/execde_7ss="s14a h>1435r"/a>54ec_co_feads=a"fs/execde_usesfs/execde_5sesrbinfmt8 75="linlass="5ine"b5415"li>152lsref">linux_binfmtopen_"+15c8 hr)ass15ccode=load_shlib" 7lnprm15cco>opy_aec.cYs_kerne"+15c8 hr)ass15c>opy_aec.cYs_kerne"gned 1r.1L128"ef">pages.1st_open_"+1522 hr)ass15+code=load_shlib" 7R1L1115+co>1522exec.c#L137">"+code=pages" bec.c#"linlass="line"sxec.c#">of,e hr9ss="sref">lold_picass="sref">pa5d.74="+cod5CONFIG_MODULESs="sref">pa5es"CO5FIG_MODULES/a>87=MAY_72="line" namretval3=78"a 75=SREG"ref="fs/exerbinf732>140c.c#L176" id.">line"mmeadse5=  hr9ss="sref">lNULe" br5ak;o<5 hreNULe">ofeo=pages"ofs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L176"sref">lMAX_144ref">fsnotify5ILE"/54"file 7l8a hr"fs/execde_usesef="fs/exe5de_7/a hr14a h>144a href=5fs/ex54displacodeads"fs/execde_usesohref="fs/ex7=MAeY_72="line" namretval unsigned 15a9 hr)ass15"liner7pref=15  ">1511exec.c#L1"/7a> *1367 hr)ass13+code=load_shlib" 7l8" i13+co>136rite_lock"/a>(&7) hre15m4.>153c.c#L176"sid.">linux"+code=pages" e"linlass="5ine"s5413"li>138c.c#Lfs/execde_usesopen_"+1386 hr)ass13a href="fs/execde_7aoopy_aec.cYs+15c8 hr)ass15c>opy_aec.cYsgned lod_rretvaleadsolprepano_b" namretval unsigned lod_rretvaleadsolcouc#"line"sxec.c#">of,e hr9ss="sref">lold_picass="sref">pa5dpen_"+1536ef">lh"buf"linlass="line"5uf">o54ine"bpr6a hra"fs/execde_usesopen_"+1387 hr)ass13"line" nam4.1L1xerbinf732>140c.c#L176" id.">linnam4.1L157ef">lh"buf"linlass="line"5uf">o5[1]ae1ef="1ef="L175" ifs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L176"sux__"+1505ef">lh"buf"linlass="line"5uf">o548"a 75=SREG"eixck_base    a5bpr6a hr"/5>)o cs="sref">lh"buf"linl5ss="l5513"li>138"/a> = "a href="+code7do_f139a hr)ass13"line" nam4.1L168"7lass=13"li>opy_aec.cYs+15c8 hr)ass15c>opy_aec.cYsgned lod_rretvaleadsolprepano_b" namretval unsigned lod_rretvaleadsolcouc#"li ies_pid"/argea hrolcouc#"line"sxec.c#">of,e hr9ss="sref">lold_picass="sref">pa544444444br5=k"xbf="fs/ex7c.c#L75/a>)5#en-E55ine"bpr6a hra"fs/execde_usesopen_"+1391 hr)ass1372" id.1L172" cxerbinf732>140c.c#L176" id.">li="srefsnot5fy7=MAY_72="line" namtr.15128"e5">pagestr.eadsefs/execfs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L176"44444444br5=k"xbf="fs/ex7c.c#L75/a>)5#en-E55o_fveeadsolh"buf"linla5s="li5515cli>150mment"> * Also note t7at w15c4 hr)ass15cline" nam4.1L168"7la hr15clis/execMMUa*13"9 hr)ass13=EXPORT_SYMBOL" cl7 s="s13=EX>137s="srsref">lcouc#"line"sxec.c#">of,e hr9ss="sre">formats7aa" c13ansigned lod_rfna hr=="+code=pages" bpr6"linlass="5s14"line" 5am4.1L168"7la hr14"li>1455 href55ine"bpr6a hra"fs/execde_usesopen_"+15c5 hr)ass15c"+code=CONFIG_xerbinf732>140c.c#L176" id.">li=id.">linuxss14"line" nam4.1L168"72156"14"5i>145c.c#L#elsefmt"/a>fs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L176"4pen_"+1536ode=r72o145/exec5c#L1355"ou=_freeeads"fs/execde_uses+1457 hr)a5s14="+code=CONFIG_MMU728"5i14="5>145 href#endif">linux_binfmt"/7a> *149 cxec. suc149e=rea=mnt" class=558 hr)ass15"line" nam4.1L168"728="f15"li>15515hre>152"sreffs/execde_usesecMMUa*1493 hr)ass14"line" nam4.1L168"7lo149r>fsnotifyY_72="lisne" nam4.1L168"7sref"15"li"+15a9 hr)ass15"linede=r7pref=15  07) hre15m4.>153c.c#L176"-"a 6="lin5="+code=pages" retval uns5gned 5613"li>138"/a> = "a href="+coopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">1512exec.c#L137">"+code=pages" cxec.c#"linl07) hre15m4.>153c.c#L176"-4444444br5hr)ass14href="+code=linux57lass5615"li>152lsref">linux_binfmtacct_update_72="gralef"14"li>142ref">cct_update_72="grales="srsref">lcouc#"li=pages" proc_co_f_connect*  unsigned lod_rproc_co_f_conne5r7ef="f1465 hr)ass1472" id.1L172" cl5s7l=f56line"fileeads"fs/execde_usesa" csref">linux_binprm"/a" csref"gned lod_rretvaleadsolprepano_binpr6"linlass="line"line"h_binary_h5ndler unsigned lod_rsearc5_bina563ne"bpr6a hra"fs/execde_usesopen hr9ss="sref">lunshano_files unsigned pr6"linlass="line"line"hr6a hr"/a5 hr)ass14+code=load_shlib5 7lo<56"buf">of[2]aa"fs/exechlib" 7l8" i13+c7la" c15hr)ass14"line" nam4.1Lc7la" c15hr)ass1gned lod_rretvaleads hr9ss="sref">lunshano_files unsigned lod_runshano_filesSREG"5.1L168"7la5hr14"li>146.1L135">2135"/5>o);o =5ef="+c7de=5I7* sy"_co_fve()muntiutes5a new56"line"ou=eads"fs/execde_useshlib" 7lo<5 14+co>146/exec=mnt" clas5="sre5">mnt6ecde_uses1535 hr)ass15m4.1L178">2178"/a>:"ou=eads"fs/execde_usesh1457 hr)a5ode=pages" file 7l8"linla5s="li56x_________7=M87=MAY_72="line" naetvaleadso!lh"/aENOEXEC"linlass="line"ENOEXECeadso||a="+cigned lod_rrlimiteads=="+5linux_binfmtacct_"a ha6bpf"14"li>142ref">cct_"a ha6bps="srsref">lcouc#"line"sxec.c#">of,e hr9ss="sre"nf772s="s14=EX>145or"/a> =51inodegned lod_rretvaleadsolprepano_b" namretval unsignedine"ENOEXECeadso||a="+ci72s="s14=EX>145or"/a> =5<4444444br5href="+code=pages" reg, u5signe5715"li>152lsre"fs/execde_usesopen_"+15e_uses14715hr)ass1472" id.1L172" cla57="li57"line"ou=eads"fs/execde_usesux_binpr6a5href="+code=pages" bpr6"l5nlass5"line"ecde_uses1527 hr)ass15/a>>opages.1st_open_"+1522 hr)ass15+code=load_shlib" 7R1L1115+co>1xec.c#L137">"+code=="+cigned lod_rrlimiteads=="+5adsof="+co5e=pages" displacod"linlas5="lin57ea hr)o1lt;g0a>)oerd"f">linux_binfmta" nam4.1L168"7sref"14"li>142ref">fsnotifyFILE"/a>fsnotifyec.c#L14="+code=pages" i eow_write_accf="s="sref">pages"a eow_write_accf="a hr=="+code=pages" bpr6"linlass="lin5code=pages5 cleaa_in_co_f unsigned l5d_rcl57>145c.c#L#elsefmt"/a>ref">pages"a eowode=r7s hre14  ">142c.c#L176" id.">linux_________fsnotifyec.c#L14="+code=pages" fpu="linlass="line"fpu=a hr=="+code=pages" bpr6"linlass="lin5c#L137"ign5="+code=pages" retval uns5gned 5od_rretvaleads"fs/execde_usesopen_"+15e1457 hr)a5lexec.c#_cred"linlass="li5e"sxe5.c#_credeads=a"fs/execde_use5open_"+14"5 hr)ass14"line" nam4.1L165"7 8=5f14"liecde_uses1527 hr)ass15a href="fs/execde_7p7="f15a h>15:"ou=eads"fs/execde_uses s="s14=EX5147s="sref">read_">2135"/5>olcouc#"li=pen_"+1511 hr)ass15  "a href="+code=r7pref=1 pr6"linlass="line"line" actual fa5lu a i148asexoinRLIMIT_NP5OCmun58ea hr)o1lt;g0a>)oerd"ffs/execde_usesecMMUa*1493 hr)ass14"line" nam4.1L168"7lo149r>fsnotifyY_72="lisne" nam4.1L168"7sref"15"li"+15a9 hr)ass15"linede=r7pref=15  07) hre15m4.>153c.c#L176"o co_fve()5becaus1512exec.c#L137">"+code=pages" cxec.c#"linl07) hre15m4.>153c.c#L176"ox_binpr6a5"lin6ef">.  He a wa addit5onall58o_fveeadso2135"/a>olinux_binprm"/a" csref"gned lod_rretvaleadsolprepano_binpr6"linlass="line"line"C_EXCEEDED5unsigned lod_rPF_NPROC_EX5EEDED58"line"ou=eads"fs/execde_usesode=pages"5RLIMIT_NPROC unsigned lod5rRLIM58>mnt6ecde_uses1535 hr)ass15cline" nam4.1L168"7la" c15cli>:"ou=eads"fs/execde_uses 1457 hr)a5ds="sref">lh"/aEAGAIN uns5gned 58x_________7=M87=MAY_72="line" na hr9ss="sref">lunshano_files unsigned pr6"linlass="line"line"f="fgotoE=5+code=pages" ou=_ret unsi5ned l58ages"argva hr,ntil exf">linux_binfmtresela" c15hr)ass14"line" nam4.1Lresela" c15hr)ass1gned lod_rretvaleads hr9ss="sref">lunshano_files unsigned lod_runshano_filesSREG"589 hr)ass15"line" nam4.1L168"7=s="s15"li>158s="srecde_uses1535 hr)ass14/a>>o149lsrenfmt"/a>);o =5imit6(sti 5xor again),>"o wa done un5t wag57toEma"fs/execde_usesopen_"+15sre6">mnta5href="f* fure"ar co_fve()5ci es59o_fveeadsolPF_NPR5C_EXCEEDED unsigned lod_r5F_NPR5C_EXCE until exe fs/execMMUa*1467 ref">lunshano_fio" cxec.c#"lite_static.ign7="+code=pages" do_co_fve_sre6on unsigned lod_rdo_co_fve_sre6oneads=cons5open_"+1495 hr)ass14"line" nam4.1L165"7la 5r14"li>149a hrte_static.in7="+code=pages__omie_ss=7SREG"ref="__omie4"li>*te_stan7="+code=pages__omie_ss=7SREG"ref="__omie4"li>*n7="+code=pages__ ies_pid"/argea hro__ ies_rdo_co_fve_sre6oneads=cons5o_EXCEEDED5de_usesrdisplacod"linlass5"line5displacodeadsate_static.in7="+code=pages__omie_ss=7SREG"ref="__omie4"li>*te_stan7="+code=pages__omie_ss=7SREG"ref="__omie4"li>*n7="+code=pages__ ies_pid"/envea hro__ ies_rdo_co_fve_sre6oneads=cons5ode=pages"5Y_72="line" namretval uns5gned 5od_rretvaleads7a hr)ass14"line" nam4.1L168"7 clas14"li>147l href="fs/exec.c#L144444444444444444"sref">lh"/a>kernel_rept_reg, unsigned lo5_arggotoE=5+code=pages" ou=_ret unsi5ned l5d_rou=ned lod_rrlimiteads=="+5open_"+1495 hr)ass14+code=load_shlib5 7lnp5m14+co>149"sre68 hr)ass14+code=load_shlib" 7l8="f14+co>146lock"/a>);olh"/a>kernel_reus142lock"/ref="f.ss14"line" nam4nati7 ref">lunshano_fnati7 nam4.1L168"7la hr15cli__ ies_pid"/argea hro__ ies_rdo }72s="s14=EX>145or"/a> =6valeadsolh"/aENOMEM uns6gned 6od_rENOMEMeads69 hr)ass1472" id.1L172" clas7ls="s1472">146or"/a> = -"a href="+cfsnotify> = -"a "sref">lh"/a>kernel_reus142lock"/ref="f.ss14"line" nam4nati7 ref">lunshano_fnati7 nam4.1L168"7la hr15cli__ ies_pid"/envea hro__ ies_rdo }72s="s14=EX>145or"/a> =6v1leadso149lsrenfmt"/a>);o146rin7="+code=pages" do_co_fve_sre6on unsigned lod_rdo_"sref">lcouc#"li ies_pid"/argea hrolcouc#"li ies_pid"/envea hrolcouc#"li3ansigned lod_rfna hr=="+code=pages" bpr6"linlass="6ec.c#L137"6=MAL1777>217777olunshano_f14+pat_MUa*1467 c#"litic.ign7="+code=pages" do_co_fve_sre6on unsigned lod_rdo_co_fve_sre6oneads=cons676" id.7=M6Y_72="line" namretval uns6gned 6013"li>138c.c#Lfs/execde_uses14+pat_u/re_ine"bpr6a hr"/a>)o+pat_u/re_i="+cfsnotify> = -"a __omie_ss=7SREG"ref="__omie4"li>*n7="+code=pages__ ies_pid"/argea hro__ ies_rdo_co_fve_sre6oneads=cons6a gotoE="+6ode=pages" ou=_free"linla6s="li6015hre>153"sref">linux_binfmt14+pat_u/re_ine"bpr6a hr"/a>)o+pat_u/re_i="+cfsnotify> = -"a __omie_ss=7SREG"ref="__omie4"li>*n7="+code=pages__ ies_pid"/envea hro__ ies_rdo_co_fve_sre6oneads=cons6open_"+15c6 hr)ass15ca>>o>150 hre7a hr)ass14"line" nam4.1L168"7 clas14"li>147l href="fs/exec.c#L144444444444444444"sref">lh"/a>kernel_rept_reg, unsigned lo6safe_co_fe6ds=="+code=pages" bpr6"li6lass=6line"bned lod_rrlimiteads=="+67=MAY_72="6ine" namretval unsigned l6d_rre61d_rENOMEMeads69 hr)ass1472" id.1L172" clas7ls="s1472">146or"/a> = -"a href="+cfsnotify> = -"a "sref">lh"/a>kernel_reus)oerd".ss14"line" nam4is_)o+pat137">"+code=pages_)o+patnam4.1L168"7la hr15cli9 h_fve_sre6on unsi9 h__rdo_co_fve_sre6oneads=cons6co_feadso<6 hr9ss="sref">lretval uns6gned 61>pagestr.eadsefs/exec.ss14"line" nam4.1"f14hre>142lock"/ref="f.ss14"line" nam4)o+pat137">"+code=pag)o+patnam4.1L168"7la hr15cli__ ies_pid"/argea hro__ ies_rdo_co_fve_sre6oneads=cons6)o cs="sre6">lh"in_co_fve"linlass="l6ne"in613ne"bpr6a hra}72s="s14=EX>145or"/a> =6 1 <15a6 hr)ass15  "a href="+code6r7pf=6f15  ">151mmen69 hr)ass1472" id.1L172" clas7ls="s1472">146or"/a> = -"a href="+cfsnotify> = -"a "sref">lh"/a>kernel_reus145or"/a> =6 5en_"+15c6de=pages" file 7l8"linlas6="lin61ea hr)o1lt;g0a>)oerd".ss14"line" nam4is_)o+pat137">"+code=pages_)o+patnam4.1L168"7la hr15cli9 h_fve_sre6on unsi9 h__rdo_co_fve_sre6oneads=cons6c6" id.7=M6ds=="+code=pages" file"li6lass=61>145c.c#L#elsefmt"/a>.ss14"line" nam4.1"f14hre>142lock"/ref="f.ss14"line" nam4)o+pat137">"+code=pag)o+patnam4.1L168"7la hr15cli__ ies_pid"/envea hro__ ies_rdo_co_fve_sre6oneads=cons6d_rIS_ERRe6ds=="+code=pages" file"li6lass=6line"fileeadsa}72s="s14=EX>145or"/a> =6 pen_"+15c6pages" ou=_unmar="linlass6"line6115ca>>150 hrenfmt"/a>);o146rin7="+code=pages" do_co_fve_sre6on unsigned lod_rdo_"sref">lcouc#"li ies_pid"/argea hrolcouc#"li ies_pid"/envea hrolcouc#"li3ansigned lod_rfna hr=="+code2s="s14=EX>145or"/a> =6 afe_co_fe6 hr)ass15  "a href="+code6r7p8=6f15  ""fs/execde_usesopen_"+16d_lock"/a76&7schec_co_f unsigned 6od_rs6hec_co"a brs=k"fs/execde_usesopen_6open_"+1526 hr)ass15"line" nam4.1L166"7R"/624hre>146l hrenfmt"/a>);olfile"l6nlass6"line"voidL168"7la hr15clis/14"line" nam4.1L168"7_1s/14"line"146ri=pages"open_"+co_flags1472 hr)ane" nam4.1L168"7_11472 hr)ane""fs/exec.c#L144444444newref">lunshano_fnewernel_rept_reg, unsigned lo6a hrolfile 7l8"linla6s="li6e"file{2s="s14=EX>145or"/a> =6a hrolfile 7l8"linla6s="li6215  ">151mmen69 hr)ass1472" id.1L17mmhr)ass14"line" nam4.1Lmmhr)ass1"fs/exec.c#L144444444ine"ENOEXECeadso||a="+cods"fs/execde_usesopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151ine"ENOEXECeadso||a="+ce2s="s14=EX>145or"/a> =6open_"+1526 hr)ass15a href="fs/execd6_7ia 6r15a h2s="s14=EX>145or"/a> =6o6" id.7=M6ds=="+code=pages" bpr6"li6lass=6line"bpr6a hra"fs/execde_usesopenine"ENOEXECeadso||a="+cquot;sible u, *(unafs)ane" nam4.1L168"7_1r)ane""fs/l_rept_reg, unsigned lo6a_rIS_ERRe6Y_72="line" namretval uns6gned 6od_rretvaleadsa>)oerd"execde_usesopenief">f_ode=r7s hre14  ">1ief">f_ode146rin7="+code=pagesine"ENOEXECeadso||a="+cquot;sible u, *(unafs)ane" nam4.1L168"7_1r)ane""fs/ode=r7p2" c15  ">151i" nam4.1L168"7lofsnotde2s="s14=EX>145or"/a> =6rggotoE="+6ode=pages" ou=_file unsig6ed lo6_rou=_filea hr"fs/execde_use6open_"+1526 hr)ass15href="+code=linu6_7R8=6f15hre>152"sreffs/execde_usesine"ENOEXECeadso||a="+cquot;sible u, *(unafs)ane" nam4.1L168"7_1r)ane""fs/ods"fs/execde_usesnewref">lunshano_fnewernee2s="s14=EX>145or"/a> =6sref">lMAX6ARG_STRINGSs="sref">pages6MAX_A6G_STRINGSa hra"fs/ec.c#L144444444newref">lunshano_fnewernel_rept_reg, unsigned lo6hr"/a>)o c6="sref">lh"argeL170" ies_6id"/a6gea hr)o1lt;g0a>)oerd"168"7la hr15cli__ief">f_g14/a>>of_g14146rin7="+code=pagesnewref">lunshano_fnewerneode=r7p2" c15  ">151i" nam4.1L168"7lofsnotde2s="s14=EX>145or"/a> =6" class="s6egotoE="+code=pages" ou="6inlas63toEma"fs/execde_usesopen_"+16open_"+1536 hr)ass15"line" nam4.1L166"7_1L63ou=_fileseads"fs/execde_use6sref">lMAX6ARG_STRINGSs="sref">pages6MAX_A63cfededcde_uses1527 ha href="+c7ode=14h2 hr)ass14a href="fs/execde_7lass=14a h>146LA14"line" nam4.1L168"7_1s/14"line"146rde2s="s14=EX>145or"/a> =6"pen_"+1526="sref">lh"enveL170" ies_6id"/e6315a h2s="s14=EX>145or"/a> =6 id.">linu6_gotoE="+code=pages" ou="6inlas6="line*isible until exe fs/execMexpandi14ro_co_fve_sre6on unsiexpandi14ro_co_146ri=pages"open_"+co_flags14ro__co_fve_sre6on unsi14ro__co_"fs/exec.c#L144444444c14+code=load_shlcnernel_rept_reg, unsigned lo6h_rIS_ERRe6 hr)ass15href="+code=linu6_7_6=6f15hre{2s="s14=EX>145or"/a> =6 nam4.1L156l156"14c"+>140c.c#L176" i6.">li6ux_________7=Mtic.ign7="+code=pagesoldi14ro_co_fve_sre6on unsioldi14ro_co_="+cods"fs/execde_useso14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+ce2s="s14=EX>145or"/a> =6"pen_"+1526bi7)8="f14ef=>143lock"/a>6;o1436r"/a>6413"li>138"/a> = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151a6bpf"14"li>142ref"a6bps="sods"fs/execde_usesCORENAME_pageSIZEigned lod_rfna soRENAME_pageSIZE"fs/ex"sref">lcouc#"li execdeinde_7mt"/_pid"/argea hro148/exec.c#L137">all_s="line"bpr6a hr"/a>)all_s="li146rde2s="s14=EX>145or"/a> =6fs/execde_6sesrbinfmt8 75="linlass="6ine"b6415"li>152lsref">linux_binfmto14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+c_SYMBOL" cl6ns="s15rea >150 sref">linux_birea >15ecde_7lass=14a h>146oldi14ro_co_fve_sre6on unsioldi14ro_co_="+c="sref">lcouc#"lio14+code=load_shlcnerneode=r7p2" c15  ">151a6bpf"14"li>142ref"a6bps="seoeL170" ies_pid"/kza eoeSREG"sizeof(f="+code=pages" bpr6"linlass="line"bpr6a hr6d.74="+cod6CONFIG_MODULESs="sref">pa6es"CO64"line"ou=eads"fs/execde_use6ne"mmeadse6=  hr9ss="sref">lNULe" br6ak;o<643ne"bpr6a hra"fs/execde_usesopen_o14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+cigned lod_rrlimiteads=="+6sref">lMAX6144ref">fsnotify6ILE"/64"buf">of[2]aa"fs/exechlib" 7l8" i13+ks15a href="fs/execdka" c15a _7lass=14a h>146oldi14ro_co_fve_sre6on unsioldi14ro_co_="+c6"linlass="line"bpr6a hr6dpen_"+1526de_7/a hr14a h>144a href=6fs/ex64ea hr)o1lt;g0a>)oerd"nfmt"/a" cl6ns="s14=EX>149s="sref">read_lock"/a7(&7retval unsigned lod_rre6sid.">linu6"+code=pages" e"linlass="6ine"s6413"li>138c.c#"fs/execde_usesopen_"+16dpen_"+1536ef">lh"buf"linlass="line"6uf">o64"ou=_freeeads"fs/execde_use6nnam4.1L156ef">lh"buf"linlass="line"6uf">o6415ca>>150 hrenfmt"/a07) hre15m4.>153c.c#L1766sux__"+1506ef">lh"buf"linlass="line"6uf">o6415  ""fs/execde_usesopen_"+16bpr6a hr"/6>)o cs="sref">lh"buf"linl6ss="l65ec_co_feads=a"fs/execde_use644444444br6=k"xbf="fs/ex7c.c#L75/a>)6#en-E65ine"b*isible until exe fs/execMcn_pr uned.short *)"ref=cn_pr une146ri=pages"open_"+co_flags14ro__co_fve_sre6on unsi14ro__co_"fs/exec.c#L144444444c14+code=load_shlcnerne, te_static.ign7="+code=pages"e" nam4.1L168"7_1ne"146r, ...l_rept_reg, unsigned lo6="srefsnot6fy7=MAY_72="line" namtr.16128"e6">pagened lod_rrlimiteads=="+644444444br6=k"xbf="fs/ex7c.c#L75/a>)6#en-E6OEXEC *isible tic.ign7="+code=pagescu"f14hre>142lock"cu"amp7retval unsigned lod_rre6pr6a hr"/a6)o cs="sref">lh"buf"linla6s="li6515cli>150mmen until exe fs/execMne"sref">lunshano_fne"samp7retval unsigned lod_rre6ppen_"+1526am4.1L168"7la hr14"li>1456 href65ine"bpr6a hra"fs/execde_usesopen_"+igned lod_rfna hr8"/a>7) hre15m4.>153c.c#L1766=id.">linu6ss14"line" nam4.1L168"72166"14"6513"li>138c.c#Lfs/execde_usesva_lis+igned lod_rfna va_lis+="+cfsnotify> = -"a "sr_pid"/argea hro7) hre15m4.>153c.c#L1766=pen_"+1536ode=r72o145/exec6c#L1365"ou=_freeeads"fs/execde_use6+1457 hr)a6s14="+code=CONFIG_MMU728"6i14="6515ca>>150 hreffs/execde_usesva_*isr+igned lod_rfna va_*isr+15a _7lass=14a h>146"sr_pid"/argea hroeoeL170" ies_pid""e" nam4.1L168"7_1ne"146r6"linlass="line"bpr6a hr658 hr)ass16"line" nam4.1L168"728="f16"li>16515hre>152"sreffs/execde_usesne"sref">lunshano_fne"samp7_SYMBOL" cl6ns="s1vsnpr uned.short *)"ref=vsnpr une15a _7lass=14a h>146NULREG"sizeof(f="+cNULR"/a>eo0eoeL170" ies_pid""e" nam4.1L168"7_1ne"146r_"sref">lcouc#"li ie_pid"/argea hro6"linlass="line"bpr6a hr6-"a 6="lin6="+code=pages" retval uns6gned 6613"li>138"/a> = "a href="+cova_ensref">lunshano_fva_ens15a _7lass=14a h>146"sr_pid"/argea hro6"linlass="line"bpr6a hr6-4444444br6hr)ass14href="+code=linux67lass664hre>146l hrenfmt"/a>);o87=MAY_72="line" nalikely nam4.1L168"7_114kely146rin7="+code=pagesne"sref">lunshano_fne"samp7_erbin = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151a6bpf"14"li>142ref"a6bps="so-n = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="so-n1ne" namIS_ERR unsigned l6h_binary_h6ndler unsigned lod_rsearc6_bina663ne"bpr6a hraaaaaaaaafs/execde_uses1527 hr)aspr uned.short *)"ref=r)aspr une"/a>7) hre15m4.>153c.c#L1766hr6a hr"/a6 hr)ass14+code=load_shlib6 7lo<66"file 7l8a hr"fs/execde_use6.1L168"7la6hr14"li>146.1L135">2135"/6>o_SYMBOL" cl6ns="s1expandi14ro_co_fve_sre6on unsiexpandi14ro_co_146riec.c#L144444444c14+code=load_shlcnernel7) hre15m4.>153c.c#L1766hid.">linu6I7* sy"_co_fve()muntiutes6a new66ine"bpr6a hra"fs/execde_usesopen_"+igned lod_rfna hr8"/a>e" namIS_ERR unsigned l6hpen_"+1536 14+co>146/exec=mnt" clas6="sre66d_rretvaleadsa>)oerd"fs/execde_uses1527 hexpandiL168fve_sre6on unsiexpandiL168"/a>7) hre15m4.>153c.c#L1766h1457 hr)a6ode=pages" file 7l8"linla6s="li66rou=_filea hr"fs/execde_use6:"ou=eads"fs/execde_use6138"/a> = "a href="+coopef14hre>142lock"cu"amp7ods"fs/execde_useso14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+c +n = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="s7) hre15m4.>153c.c#L1766<4444444br6href="+code=pages" reg, u6signe6715"li>152lsref">linux_binfmtva_*isr+igned lod_rfna va_*isr+15a _7lass=14a h>146"sr_pid"/argea hroeoeL170" ies_pid""e" nam4.1L168"7_1ne"146r6"linlass="line"bpr6a hr6e_uses14716hr)ass1472" id.1L172" cla67="li67d_rretvaleads"fs/execde_usesvsnpr uned.short *)"ref=vsnpr une15a _7lass=14a h>146opef14hre>142lock"cu"amp7eoeL170" ies_pid"ne"sref">lunshano_fne"samp7_+ 1eoeL170" ies_pid""e" nam4.1L168"7_1ne"146r_"sref">lcouc#"li ie_pid"/argea hro6"linlass="line"bpr6a hr6ux_binpr6a6href="+code=pages" bpr6"l6nlass6715"li>153LARGEfs/execde_usesva_ensref">lunshano_fva_ens15a _7lass=14a h>146"sr_pid"/argea hro6"linlass="line"bpr6a hr6line"filee6dsof="+code=pages" file"l6nlass67_STRINGSa hra = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="so+ds"fs/execde_usesne"sref">lunshano_fne"samp7retval unsigned lod_rre6adsof="+co6e=pages" displacod"linlas6="lin67ea hr)o1lt;g0nfmt"/a07) hre15m4.>153c.c#L1766code=pages6 cleaa_in_co_f unsigned l6d_rcl67"line"ou=eads"fs/execde_use6c#L137"ign6="+code=pages" retval uns6gned 67>mnt6ecde_uses1535 hexpandiL168fve_sre6on unsiexpandiL168"/a>:"ou=eads"fs/execde_use6<1457 hr)a6lexec.c#_cred"linlass="li6e"sxe6715ca>>150 hrenfmt"/a>);o7) hre15m4.>153c.c#L1766open_"+14"6 hr)ass14"line" nam4.1L166"7 8=6715  ""fs/execde_usesopen_"+16 s="s14=EX6147s="sref">read_">2135"/6>o142lock"sref="fe" namIS_ERR unsigned l6o co_fve()6becauspagened lod_rrlimiteads=="+6ox_binpr6a6"lin6ef">.  He a wa addit6onall6815"li>153LARGfor (;ign7="+code=pagess1"f14hre>142lock"sref="fin = "a href="+cos1"f14hre>142lock"sref="f++e" namIS_ERR unsigned l6oine"filee6* whee"ar NPROCmlimit6isE6ti ex68"buf">of[2]aa"fs/exec"fs/gn7="+code=pagess1"f14hre>142lock"sref="f ==if">linux_binfaec.cY">37"bf/37"bf" c14"le" namIS_ERR unsigned l6odsof="+co648.1L135">2135"/a>o142lock"sref="f =if">linux_binfaec.cY">37"bf!37"bf" c14"l7) hre15m4.>153c.c#L1766C_EXCEEDED6unsigned lod_rPF_NPROC_EX6EEDED68"line"fs/execde_usesopen_"+16 #L137"ign6RLIMIT_NPROC unsigned lod6rRLIM68"ou=_freeeads"fs/execde_use6 1457 hr)a6ds="sref">lh"/aEAGAIN uns6gned 68x____*isible until exe fs/execMcn_pr un" 7lss15/a>>o169d_rENOMEMeads69 hr)ass1472" id.1L17re>1521exec.c#L137">"+code=pxec.c#L144444444 7lss15/a>>o153c.c#L1766r7ef="f1496 hr)ass14"line" nam4.1L166"7las6=14"li>149lsretic.ign7="+code=pagespathbued.short *)"ref=pathbue146r_"gn7="+code=pagespathd.short *)"ref=path146r7) hre15m4.>153c.c#L1766r co_fve()6xor again),>"o wa done un6t wag69IG_MODULES/a>8fs/execde_usesopen_"+igned lod_rfna hr8"/a>7) hre15m4.>153c.c#L1766sre6">mnta6href="f* fure"ar co_fve()6ci es69o_fveeadsolPF_NPR6C_EXCEEDED unsigned lod_r6F_NPR69_STRINGSa hra = "a href="+co 7lss15/a>>o>o146open_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151ine"ENOEXECeadso||a="+c6"linlass="line"bpr6a hr6open_"+1496 hr)ass14"line" nam4.1L166"7la 6r14"li>149a hr"fs/execde_usesopen_ 7lss15/a>>o145c.c#L#elsefmt"/a>tic.ign7="+code=pagescomm*isr+igned lod_rfna comm*isr+amp7ods"fs/execde_useso14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+c +n = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="s7) hre15m4.>153c.c#L1766ode=pages"6Y_72="line" namretval uns6gned 6od_rretvaleadsa>)oerd"execde_usesopen_"+igned lod_rfna hr8"/a>_SYMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;s (path unknown)3quot;" c14"l="sref">lcouc#"liopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151commigned lod_rfna comm="+c6"linlass="line"bpr6a hr6o1457 hr)a6+code=pages" ou=_ret unsi6ned l691]ae1ef="1ef="L175" i168"7la hr15clicn_escap_fve_sre6on unsi1n_escap_15a _n7="+code=pagescomm*isr+igned lod_rfna comm*isr+amp76"linlass="line"bpr6a hr6open_"+14"6 hr)ass14+code=load_shlib6 7lnp69ages"argva hr,ntil exnfmt"/a>);o7) hre15m4.>153c.c#L1767valeadsolh"/aENOMEM uns7gned 7od_rENOMEMeads"fs/execde_usesopen_"+17v1leadso146l hrenfmt"/a>);o217777olinux_bima >15ecde_7lass=14a h>146PATH_pag0 sref">linux_bPATH_pag146r_"sref">lcouc#"liode=TEMPORARY0 sref">linux_bode=TEMPORARYamp76"linlass="line"bpr6a hr7gotoE="+co7e=pages" ou=_files unsign7d lod703ne"bpr6a hra"fs/execde_usesopen_pathbued.short *)"ref=pathbue146rigned lod_rrlimiteads=="+7open_"+15c7 hr)ass15cline" nam4.1L167"7lo<70"buf">of[2]aa"fs/exechlib" 7l8" i13+_"+igned lod_rfna hr8"/a>_SY" cl6ns="s14=EX>149s="sref">read_lock"/a7(&7retval unsigned lod_rre7o5en_"+15c7 hr)ass14"line" nam4.1L167lass=70ea hr)o1lt;g0a>)oerd"fs/execde_uses1535 hc7la 7lss15/a>>o138c.c#"fs/execde_usesopen_"+17a gotoE="+7ode=pages" ou=_free"linla7s="li70"ou=_freeeads"fs/execde_use7open_"+15c7 hr)ass15ca>>o>150 hreffs/execde_usespathd.short *)"ref=path146r_SYMBOL" cl6ns="s1d_pathd.short *)"ref=d_pathecde_a h>148/exec.c#L137" 7lss15/a>>o149r_pathd.short *)"ref=f_pathecde_"sref">lcouc#"lipathbued.short *)"ref=pathbue146r_"7lass=14a h>146PATH_pag0 sref">linux_bPATH_pag146r6"linlass="line"bpr6a hr7g9en_"+15c7 hr)ass14+code=load_shlib7lass=709ne"bpr6a hra"fs/7lass=14a h>146_"+15a6 hr)ass15"line" nam4.1L168"7p6="f15"li>1pathd.short *)"ref=path146r)igned lod_rrlimiteads=="+77=MAY_72="7ine" namretval unsigned l7d_rre71lod_renvpa hr,ntil exEXEC"linlass="l_"+igned lod_rfna hr8"/a>_SYMBOL" cl6ns="s1>151c.c#L176" id.="+code=pages" retval unsigned lpathd.short *)"ref=path146r)"linlass="line"bpr6a hr771leadso)oerd"fs/execde_uses1535 ha" csrued.short *)"ref=a" csrueamp7retval unsigned lod_rre7co_feadso<7 hr9ss="sref">lretval uns7gned 71>pagestr.eads"fs/execde_usesopen_"+17)o cs="sre7">lh"in_co_fve"linlass="l7ne"in71o_fveeadso145or"/a> =7c6" id.7=M7ds=="+code=pages" file"li7lass=7113"li>138c.c#Lfs/execde_uses_"+igned lod_rfna hr8"/a>_SYMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;s3quot;" c14"l="sref">lcouc#"lipathd.short *)"ref=path146r)"linlass="line"bpr6a hr77 gotoE="+7ds=="+code=pages" file"li7lass=71"ou=_freeeads"fs/execde_use7 pen_"+15c7pages" ou=_unmar="linlass7"line7115ca>ecde_uses1535 ha" csrued.short *)"ref=a" csrueamp7:"ou=eads"fs/execde_use7 afe_co_fe7 hr)ass15  "a href="+code7r7p8=7115hre>152"sreffs/execde_usesks15a href="fs/execdka" c15a _7lass=14a h>146pathbued.short *)"ref=pathbue146ri"linlass="line"bpr6a hr7d_lock"/a77&7schec_co_f unsigned 7od_rs72s="srecde_uses1535 hc7la 7lss15/a>>o152lsref">linux_binfmtwode=r7s hre14  ">142c.c#L176" id.">linux__ 7lss15/a>>olfile"l7nlass72>pagestr.eadsnfmt"/a>);o7) hre15m4.>153c.c#L1767a hrolfile 7l8"linla7s="li7e"file"fs/execde_usesopen_"+17a hrolfile 7l8"linla7s="li7e"file 7l8a hr"fs/execde_use7open_"+1527 hr)ass15a href="fs/execd7_7ia 7r15a hf">linux_binfmt"/7a> *149formati14ro_co_ will inspect the patte"/aparco_te", and out2c. a" c14"li>149e=rea=mnt" class=7o6" id.7=M7ds=="+code=pages" bpr6"li7lass=7line"bf">linux_binfmt"/7a> * *" bpr>8fso 14ro_co_, which must hac. spaceGfor at leas+="c14"li>149e=rea=mnt" class=7o gotoE="+7Y_72="line" namretval uns7gned 7od_rref">linux_binfmt"/7a> * *"soRENAME_pageSIZE bytes plus one byteGfor the zero te"minator.="c14"li>149e=rea=mnt" class=7open_"+15c7ode=pages" ou=_file unsig7ed lo7_rou=_f">linux_binfmt"/7a> * *a" c14"li>149e=rea=mnt" class=7open_"+1527 hr)ass15href="+code=linu7_7R8=7f15hre*isible until exe fs/execMformati14ro_co_=r7s hre14  ">14ormati14ro_co_146ri=pages"open_"+co_flags14ro__co_fve_sre6on unsi14ro__co_"fs/exec.c#L144444444c14+code=load_shlcnerne, longn = "a href="+cosign"f14hre>142lock"sign"ernee" namIS_ERR unsigned l7sref">lMAX7ARG_STRINGSs="sref">pages7MAX_A7G_STRIned lod_rrlimiteads=="+7hr"/a>)o c7="sref">lh"argeL170" ies_7id"/a7gea hr)o1lt;g0te_sta=pages"open_"+co_flags1r"sref">lunshano_f1r"s"fs/exec.c#L144444444cr"sref">lunshano_f1r"s"fs/eds"fs/execde_usesopen_"+_cr"sref">lunshano_f1pen_"+_cr"s146rii"linlass="line"bpr6a hr7" class="s7egotoE="+code=pages" ou="7inlas732a hr)o1lt;g0te_static.ign7="+code=pagespatls="s1472">146or"/apatls=""fs/eds"fs/execde_useso4ro_patte"/fve_sre6on unsi14ro_patte"/"/a>7) hre15m4.>153c.c#L1767open_"+1537 hr)ass15"line" nam4.1L167"7_1L7115"li>153LARG until exe fs/execMispip_fve_sre6on unsiispip_"fs/eds/gn7="+code=pagespatls="s1472">146or"/apatls=""fs/ed=if">linux_binfaec.cY">37"bf|37"bf" c14"le7) hre15m4.>153c.c#L1767o hropages7MAX_A7G_STRINGSa hra"until exe fs/execMpidode=patte"/fve_sre6on unsipidode=patte"/"fs/eds07) hre15m4.>153c.c#L1767"pen_"+1527="sref">lh"enveL170" ies_7id"/e73ine"bpr6a hra"fs/execde_usesopener"s1472">146or"/aer""fs/eds07) hre15m4.>153c.c#L1767"6" id.7=M7_gotoE="+code=pages" ou="7inlas7="line"ou=eads"fs/execde_use7h_rIS_ERRe7 hr)ass15href="+code=linu7_7_6=7f15hre>153"sref">linux_binfmto14+code=load_shlcnerneode=r7p2" c15  ">151a6bpf"14"li>142ref"a6bps="sods"fs/execde_usesCORENAME_pageSIZEigned lod_rfna soRENAME_pageSIZE"fs/ex"sref">lcouc#"li execdereasref">lunshano_f execdereasecde_a h>148/exec.c#L137">all_s="line"bpr6a hr"/a>)all_s="li146rde2s="s14=EX>145or"/a> =7 nam4.1L157l156"14c"+>140c.c#L176" i7.">li7315ca>>150 hreffs/execde_useso14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+c_SYMBOL" cl6ns="s15ma >150 sref">linux_bima >15ecde_7lass=14a h>146o14+code=load_shlcnerneode=r7p2" c15  ">151a6bpf"14"li>142ref"a6bps="seoeL170" ies_pid"/kza eoeSREG"sizeof(f="+code=pages" bpr6"linlass="line"bpr6a hr7"pen_"+1527bi7)8="f14ef=>143lock"/a>7;o152"sreffs/execde_usese14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="sods07) hre15m4.>153c.c#L1767s14a href=7fs/execde_7ss="s14a h>1437r"/a>74ec_co_feads=a"fs/execde_use7fs/execde_7sesrbinfmt8 75="linlass="7ine"b74ine"bpr6a hra"fs/execde_usesopen_o14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+ci_feads=a"fs/execde_use7f class="s7CONFIG_MODULESs="sref">pa7es"CO74>pagestr.eadsefs/execnfmt"/a" cl6ns="s14=EX>149s="sref">read_lock"/a7(&7retval unsigned lod_rre7ne"mmeadse7=  hr9ss="sref">lNULe" br7ak;o<74o_fveeadsolMAX7144ref">fsnotify7ILE"/74"buf">of[2]aaf">linux_binfmt"/7a> *149Repeat as longnas we hac. m4ro patte"/aso pro/a>f and m4ro out2c." c14"li>149e=rea=mnt" class=7dpen_"+1527de_7/a hr14a h>144a href=7fs/ex7415a hf">linux_binfmt"/7a> *adsefs/execspaceG*a" c14"li>149e=rea=mnt" class=7sid.">linu7"+code=pages" e"linlass="7ine"s7413"li>138c.c#whiles/gn7="+code=pagespatls="s1472">146or"/apatls=""fs/igned lod_rrlimiteads=="+7dpen_"+1537ef">lh"buf"linlass="line"7uf">o74d_rretvaleadsa>)oerd""fs/gn7="+code=pagespatls="s1472">146or"/apatls=""fs/e!=if">linux_binfaec.cY">37"bf37"7;37"bf" c14"legned lod_rrlimiteads=="+7dnam4.1L157ef">lh"buf"linlass="line"7uf">o7[1]ae1ef="1ef="L175" ia>)oerd""fs/gn7="+code=pagespatls="s1472">146or"/apatls=""fs/ed=if732>140c.c#L176" id.">l7sux__"+1507ef">lh"buf"linlass="line"7uf">o74ages"argva hr,ntil exxxxxxxxxxxxxxxxxfs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L1767bpr6a hr"/7>)o cs="sref">lh"buf"linl7ss="l75lod_renvpa hr,ntil ex>of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;c3quot;" c14"l="gn7="+code=pagespatls="s1472">146or"/apatls=""fs/++6"linlass="line"bpr6a hr744444444br7=k"xbf="fs/ex7c.c#L75/a>)7#en-E75ea hr)o1lt;g0a>)oerd"} elsegned lod_rrlimiteads=="+7="srefsnot7fy7=MAY_72="line" namtr.17128"e7">pagestr.eadsefs/execccccccccswitchs/g++n7="+code=pagespatls="s1472">146or"/apatls=""fs/igned lod_rrlimiteads=="+744444444br7=k"xbf="fs/ex7c.c#L75/a>)7#en-E753ne"bpr6a hraaaaaaaaa>of[2]aaf">linux_binfmt"/7a> *149s.cYles37"7; at the end, drop that *a" c14"li>149e=rea=mnt" class=7pr6a hr"/a7)o cs="sref">lh"buf"linla7s="li75"buf">of[2]aa"fs/execcccccccccaseg0:"ou=eads"fs/execde_use7ppen_"+1527am4.1L168"7la hr14"li>1457 href75ea hr)o1lt;g0a>)oerd"""""""""""""""""fs/execde_uses1535 hr)ass15m4.1L178">2178"/a>7) hre15m4.>153c.c#L1767bid.">linu7ss14"line" nam4.1L168"72176"14"7i>145c.c#L#elsefmt"/a>>of[2]aaf">linux_binfmt"/7a> *149Doublesperc7a>, out2c. one perc7a> *a" c14"li>149e=rea=mnt" class=7ppen_"+1537ode=r72o145/exec7c#L1375d_rretvaleadsa>)oerd"cccccccccasegf">linux_binfaec.cY">37"bf37"7;37"bf" c14"l:"ou=eads"fs/execde_use7pnam4.1L157s14="+code=CONFIG_MMU728"7i14="751]ae1ef="1ef="L175" ia>)oerd">of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;c3quot;" c14"l="f">linux_binfaec.cY">37"bf37"7;37"bf" c14"le7) hre15m4.>153c.c#L1767bux__"+1507"line" nam4.1L168"728="f17"li>175ages"argva hr,ntil exxxxxxxxxxxxxxxxxbreak7) hre15m4.>153c.c#L1767-"a 6="lin7="+code=pages" retval uns7gned 76lod_renvpa hr,ntil ex>of[2]aaf">linux_binfmt"/7a> *149pid *a" c14"li>149e=rea=mnt" class=7-4444444br7hr)ass14href="+code=linux77lass76ea hr)o1lt;g0a>)oerd"cccccccccasegf">linux_binfaec.cY">37"bfp37"bf" c14"l:"ou=eads"fs/execde_use7r7ef="f1467 hr)ass1472" id.1L172" cl7s7l=f76>pagestr.eadsefs/execcccccccc>of[2]aafxecde_usesopenpidode=patte"/fve_sre6on unsipidode=patte"/"fs/eds17) hre15m4.>153c.c#L1767-4444444br7ndler unsigned lod_rsearc7_bina763ne"bpr6a hraaaaaaaaacccccccc>of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;d3quot;" c14"l=) hre15m4.>153c.c#L1767-r6a hr"/a7 hr)ass14+code=load_shlib7 7lo<76"buf">of[2]aa"fs/exec6a hraaaaaaaaacccccccc>of[2]aafxecde_usesopentask_tgidovn"f14hre>142lock"task_tgidovn"146riec.c#L144444444cpen_"+15a2 hr)ass15  "a href="+c)e7) hre15m4.>153c.c#L1767.1L168"7la7hr14"li>146.1L135">2135"/7>o)oerd"""""""""""""""""break7) hre15m4.>153c.c#L1767-id.">linu7I7* sy"_co_fve()muntiutes7a new76>145c.c#L#elsefmt"/a>>of[2]aaf">linux_binfmt"/7a> *149uid *a" c14"li>149e=rea=mnt" class=7-pen_"+1537 14+co>146/exec=mnt" clas7="sre76d_rretvaleadsa>)oerd"""""""""casegf">linux_binfaec.cY">37"bfu37"bf" c14"l:"ou=eads"fs/execde_use7rnam4.1L157ode=pages" file 7l8"linla7s="li761]ae1ef="1ef="L175" ia>)oerd">of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;d3quot;" c14"l="sref">lcouc#"lior"sref">lunshano_f1r"s"fs/ode=r7p2" c15  ">151uisref">lunshano_fuiigned lod_runshano_filesSREG"7153c.c#L1767of[2]aaf">linux_binfmt"/7a> *149gid *a" c14"li>149e=rea=mnt" class=7<4444444br7href="+code=pages" reg, u7signe77ea hr)o1lt;g0a>)oerd"cccccccccasegf">linux_binfaec.cY">37"bfg37"bf" c14"l:"ou=eads"fs/execde_use7e_uses14717hr)ass1472" id.1L172" cla77="li77>pagestr.eadsefs/execcccccccc>of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;d3quot;" c14"l="sref">lcouc#"lior"sref">lunshano_f1r"s"fs/ode=r7p2" c15  ">151gisref">lunshano_fgiigned lod_runshano_filesSREG"7ux_binpr6a7href="+code=pages" bpr6"l7nlass773ne"bpr6a hraaaaaaaaacccccccc>of[2]aabreak7) hre15m4.>153c.c#L1767of[2]aa"fs/exec6a hraaaf">linux_binfmt"/7a> *149s.gnal that caus"s the 14rodump *a" c14"li>149e=rea=mnt" class=7<1L168"7la7e=pages" displacod"linlas7="lin77ea hr)o1lt;g0a>)oerd"""""""""casegf">linux_binfaec.cY">37"bfs37"bf" c14"l:"ou=eads"fs/execde_use7eid.">linu7 cleaa_in_co_f unsigned l7d_rcl77>145c.c#L#elsefmt"/a>>of[2]aa>of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;ld3quot;" c14"l="sref">lcouc#"lisign"f14hre>142lock"sign"ernee7) hre15m4.>153c.c#L1767)oerd""""""""">of[2]aabreak7) hre15m4.>153c.c#L1767)oerd"f">linux_binfmt"/7a> *149UNIX time of 14rodump *a" c14"li>149e=rea=mnt" class=7linux_binfaec.cY">37"bft37"bf" c14"l:gned lod_rrlimiteads=="+7 s="s14=EX7147s="sref">read_">2135"/7>oof[2]aaaaaaaaaa=pages"open_"+co_flagstime9 hr)ass14=EXPORT_time9 hod_reopen_"+co_flagsts_pid"/argea hrotv"/a>7) hre15m4.>153c.c#L1767 actual fa7lu a i148asexoinRLIMIT_NP7OCmun78ea hr)o1lt;g0a>)oerd"cccccccca>)oerd"fpen_"+co_flagsdo_g14timeofday nam4.1L168"7_1do_g14timeofdayecde_a h>148/exec.c#L137"ts_pid"/argea hrotv"/a>e7) hre15m4.>153c.c#L1767o co_fve()7becauspagestr.eadsefs/execcccccccc>of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;lu3quot;" c14"l="sref">lcouc#"lits_pid"/argea hrotv"/a>.ss14"line" nam4tv_se50 sref">linux_btv_se5"/a>e7) hre15m4.>153c.c#L1767ox_binpr6a7"lin6ef">.  He a wa addit7onall783ne"bpr6a hraaaaaaaaacccccccc>of[2]aabreak7) hre15m4.>153c.c#L1767oine"filee7* whee"ar NPROCmlimit6isE7ti ex78"buf">of[2]aa"fs/execcccccccc"fs/execde_usesopen_"+17odsof="+co748.1L135">2135"/a>olinux_binfmt"/7a> *149host bpr>*a" c14"li>149e=rea=mnt" class=7C_EXCEEDED7unsigned lod_rPF_NPROC_EX7EEDED78>145c.c#L#elsefmt"/a>>of[2]aacasegf">linux_binfaec.cY">37"bfh37"bf" c14"l:gned lod_rrlimiteads=="+7 pen_"+1537RLIMIT_NPROC unsigned lod7rRLIM78d_rretvaleadsa>)oerd""""""""">of[2]aatic.ign7="+code=pagesgned*isr+igned lod_rfna gned*isr+"fs/edsMBOL" cl6ns="s1cn4+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+c_+n = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="s7) hre15m4.>153c.c#L1767 1457 hr)a7ds="sref">lh"/aEAGAIN uns7gned 781]ae1ef="1ef="L175" ia>)oerd">of[2]aafxecde_usesopendownereasref">lunshano_fdownereasecde_a h>148/exec.c#L137"uts_semigned lod_rfna uts_sem"/a>e7) hre15m4.>153c.c#L1767oa_arg_ptr7+code=pages" ou=_ret unsi7ned l78ages"argva hr,ntil exxxxxxxxxxxxxxxxxfxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;s3quot;" c14"l=) hre15m4.>153c.c#L176789 hr)ass17"line" nam4.1L168"7=s="s17"li>179lod_renvpa hr,ntil ex>of[2]aaaaaaaaaaxxxxxxxxxxxxxxfxecde_usesopenuts_co_fve_sre6on unsiuts_co_146ri)ode=r7p2" c15  ">151n>15_co_fve_sre6on unsin>15_co_"/a>e7) hre15m4.>153c.c#L1767r7ef="f1497 hr)ass14"line" nam4.1L167"7las79ea hr)o1lt;g0a>)oerd"cccccccca>)oerd"fpen_"+co_flagsupereasref">lunshano_fupereasecde_a h>148/exec.c#L137"uts_semigned lod_rfna uts_sem"/a>e7) hre15m4.>153c.c#L1767r co_fve()7xor again),>"o wa done un7t wag79>pagestr.eadsefs/execcccccccc>of[2]aafxecde_usesopeno1_escap_fve_sre6on unsi1n_escap_15a _n7="+code=pagesgned*isr+igned lod_rfna gned*isr+"fs/e7) hre15m4.>153c.c#L1767rx_binpr6a7href="f* fure"ar co_fve()7ci es793ne"bpr6a hraaaaaaaaacccccccc>of[2]aabreak7) hre15m4.>153c.c#L1767f">lPF_NPR7C_EXCEEDED unsigned lod_r7F_NPR79"buf">of[2]aa"fs/execcccccccc"fs/execde_usesopen_"+17open_"+1497 hr)ass14"line" nam4.1L167"7la 79ea hr)o1lt;g0a>)oerd"""""""""f">linux_binfmt"/7a> *149sopeutables*a" c14"li>149e=rea=mnt" class=7o_EXCEEDED7de_usesrdisplacod"linlass7"line79>145c.c#L#elsefmt"/a>>>>>>>>>casegf">linux_binfaec.cY">37"bfe37"bf" c14"l:gned lod_rrlimiteads=="+7ode=pages"7Y_72="line" namretval uns7gned 7od_rretvaleadsa>)oerd"efmt"/a>>>>>>>>>cic.ign7="+code=pagescomm*isr+igned lod_rfna comm*isr+amp7ods"fs/execde_useso14+code=load_shlcnerneode=r7p2" c15  ">15114ro_co_fve_sre6on unsi14ro_co_="+c +n = "a href="+coo14+code=load_shlcnerneode=r7p2" c15  ">151us"sref">lunshano_fus"ss="s7) hre15m4.>153c.ds=="+7o1457 hr)a7+code=pages" ou=_ret unsi7ned l791]ae1ef="1ef="L175" ia>)oerd"""""""""fxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;s3quot;" c14"l="sref">lcouc#"liopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151commigned lod_rfna comm="+c6"linlass="line"bpr6a hr7open_"+14"7 hr)ass14+code=load_shlib7 7lnp79ages"argva hr,ntil exa>)oerd"""""""""fxecde_usesopencn_escap_fve_sre6on unsi1n_escap_15a _n7="+code=pagescomm*isr+igned lod_rfna comm*isr+amp76"linlass="line"bpr6a hr8valeadsolh"/aENOMEM uns8gned 80lod_renvpa hr,ntil ex>of[2]aaaaaaaaaabreak7) hre15m4.>153c.c#L1768v1leadso)oerd"cccccccc"fs/execde_usesopen_"+18ec.c#L137"8=MAL1777>217777opagestr.eadsefs/execcccccccccasegf">linux_binfaec.cY">37"bfE37"bf" c14"l:"ou=eads"fs/execde_use8gotoE="+co8e=pages" ou=_files unsign8d lod803ne"bpr6a hraaaaaaaaacccccccc>of[2]aafxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr un" 7lss15/a>>oof[2]aa"fs/exec>of[2]aaaaaaaaaabreak7) hre15m4.>153c.c#L1768v5toE="+co8ehr)ass14"line" nam4.1L168lass=80ea hr)o1lt;g0a>)oerd">of[2]aaf">linux_binfmt"/7a> *14914ro limit a6bps*a" c14"li>149e=rea=mnt" class=8o6en_"+15c8 e_usesrdisplacod"linlass8gned 80>145c.c#L#elsefmt"/a>>>>>>>>>casegf">linux_binfaec.cY">37"bfc37"bf" c14"l:"ou=eads"fs/execde_use8g7en_"+15c8 _72="line" namretval uns8s="li80d_rretvaleadsa>)oerd"efmt"/a>>>>>>>>>fxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;37"7;lu3quot;" c14"l="ou=eads"fs/execde_use8g8en_"+15c8 code=pages" ou=_ret unsi8f7lat801]ae1ef="1ef="L175" ia>)oerd"""""""""mt"/a>>>>>>>>>fxecde_usesopenrlimit4+code=load_shlrlimit146riec.c#L144444444RLIMIT_soRE4+code=load_shlRLIMIT_soRE="+c)e7) hre15m4.>153c.c#L1768g9en_"+15c8 hr)ass14+code=load_shlib8lass=80ages"argva hr,ntil exxxxxxxxxxxxxxxxxbreak7) hre15m4.>153c.c#L17687=MAY_72="8ine" namretval unsigned l8d_rre81lod_renvpa hr,ntil exxxxxxxxxdefault:"ou=eads"fs/execde_use871leadso)oerd"xxxxxxxxxxxxxxxxbreak7) hre15m4.>153c.c#L17687c.c#L137"8 hr9ss="sref">lretval uns8gned 81>pagestr.eadsefs/execcccccccc"fs/execde_usesopen_"+18)o cs="sre8">lh"in_co_fve"linlass="l8ne"in813ne"bpr6a hraaaaaaaaacccccccc++n7="+code=pagespatls="s1472">146or"/apatls=""fs/7) hre15m4.>153c.c#L176874toE="+co8 hr)ass15  "a href="+code8r7pf=81"buf">of[2]aa"fs/exec"fs/execde_usesopen_"+18)5toE="+co8de=pages" file 7l8"linlas8="lin8115a h2s="s14=EX>145or"/a> =8c6" id.7=M8ds=="+code=pages" file"li8lass=81>145c.c#L#elsefmt"/a>"fs/7lass=14a h>146er"s1472">146or"/aer""fs/732>140c.c#L176" id.">l87 gotoE="+8ds=="+code=pages" file"li8lass=81d_rretvaleadsa>)oerd"efmt"/a>nfmt"/a>);o146or"/aer""fs/7) hre15m4.>153c.c#L176878en_"+15c8pages" ou=_unmar="linlass8"line811]ae1ef="1ef="fs/execde_usesopen_"+18)9en_"+15c8 hr)ass15  "a href="+code8r7p8=818"a 75=SREG"eixck_base    a8d_lock"/a78&7schec_co_f unsigned 8od_rs8213"li>138"/a> ">linux_binfmt"/7a> *149Backward914mpatibility with914ro_us"s_pid:" c14"li>149e=rea=mnt" class=8open_"+1528 hr)ass15"line" nam4.1L168"7R"/8215"lif">linux_binfmt"/7a> *adsefs/ex*" c14"li>149e=rea=mnt" class=8oc.c#L137"8solfile"l8nlass82>pagef">linux_binfmt"/7a> *adsefs/ex* If 14ro=patte"/ does not include as37"7;p (as is the default)" c14"li>149e=rea=mnt" class=8oo cs="sre8ss="sref">lfile 7l8"linla8s="li8e"filef">linux_binfmt"/7a> *adsefs/ex* and 14ro_us"s_pid is set, then .37"7;pid will be append"s to" c14"li>149e=rea=mnt" class=8o4toE="+co8ss="sref">lfile 7l8"linla8s="li8e"filef">linux_binfmt"/7a> *adsefs/ex* the s15/l8"l. Do not do this for pip_d914mmands.s*a" c14"li>149e=rea=mnt" class=8open_"+1528 hr)ass15a href="fs/execd8_7ia 8214"li>149a hr"fs/execde_usesopen_ispip_fve_sre6on unsiispip_"fs/ea h>1a h>1 execde_usesopen_pidode=patte"/fve_sre6on unsipidode=patte"/"fs/ea h>1a h>1 7p2" c15  ">15114ro_us"s_pidfve_sre6on unsi14ro_us"s_pid"fs/7gned lod_rrlimiteads=="+8o6" id.7=M8ds=="+code=pages" bpr6"li8lass=82>145c.c#L#elsefmt"/a>fxecde_usesopener"s1472">146or"/aer""fs/edsMBOL" cl6ns="s1cn_pr uned.short *)"ref=cn_pr une146riec.c#L144444444c14+code=load_shlcnerne, f">linux_binfaec.cY">3quot;.37"7;d3quot;" c14"l="sref">lcouc#"litask_tgidovn"f14hre>142lock"task_tgidovn"146riec.c#L144444444cpen_"+15a2 hr)ass15  "a href="+c)e7) hre15m4.>153c.c#L1768o gotoE="+8Y_72="line" namretval uns8gned 82d_rretvaleadsa>)oerd""fs/7lass=14a h>146er"s1472">146or"/aer""fs/732>140c.c#L176" id.">l8open_"+15c8ode=pages" ou=_file unsig8ed lo821]ae1ef="1ef="L175" ia>)oerd"nfmt"/a>);o146or"/aer""fs/7) hre15m4.>153c.c#L1768open_"+1528 hr)ass15href="+code=linu8_7R8=829]ae1ef="1ef="fs/execde_usesopen_"+18sref">lMAX8ARG_STRINGSs="sref">pages8MAX_A83s="srecde_uses1535 hr)ass15m4.1L178">2178"/a>:"ou=eads"fs/execde_use8hr"/a>)o c8="sref">lh"argeL170" ies_8id"/a8gea hr)o1lt;g0nfmt"/a>);o153c.c#L1768" class="s8egotoE="+code=pages" ou="8inlas832a hr"fs/execde_usesopen_"+18so cs="sre8 hr)ass15"line" nam4.1L168"7_1L83o_fveeadsopages8MAX_A8G_STRI*isible until exe fs/execMzap_pro/a>ffve_sre6on unsizap_pro/a>f146ri=pages"open_"+co_flagstask_=pagesf14hre>142lock"task_=pagesa hr)gn7="+code=pages*isr+igned lod_rfna *isr+amp7,a"fs/execde_usesopenexiti14d_fve_sre6on unsiexiti14d_"fs/732>140c.c#L176" id.">l8"pen_"+1528="sref">lh"enveL170" ies_8id"/e83ine"bned lod_rrlimiteads=="+8"6" id.7=M8_gotoE="+code=pages" ou="8inlas83>145c.c#L#els=pages"open_"+co_flagstask_=pagesf14hre>142lock"task_=pagesa hr)gn7="+code=pagessf14hre>142lock"t"fs/7) hre15m4.>153c.c#L1768" gotoE="+8 hr)ass15href="+code=linu8_7_6=8f15hre>153"sre until exe fs/execMn"s1472">146or"/an""fs/eds07) hre15m4.>153c.c#L1768 nam4.1L158l156"14c"+>140c.c#L176" i8.">li83rou=_filea hr"fs/execde_use8"pen_"+1528bi7)8="f14ef=>143lock"/a>8;o152"sreffs/execde_uses*isr+igned lod_rfna *isr+amp7ode=r7p2" c15  ">151a6gnaligned lod_rfna *6gnalamp7ode=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/edsMBOL" cl6ns="s1SIGNAL_GROUP_EXITfve_sre6on unsiSIGNAL_GROUP_EXIT"fs/7) hre15m4.>153c.c#L1768s14a href=8fs/execde_7ss="s14a h>1438r"/a>8413"li>138"/a> = "a href="+co*isr+igned lod_rfna *isr+amp7ode=r7p2" c15  ">151a6gnaligned lod_rfna *6gnalamp7ode=r7p2" c15  ">151group_exiti14d_fve_sre6on unsigroup_exiti14d_"fs/edsMBOL" cl6ns="s1exiti14d_fve_sre6on unsiexiti14d_"fs/7) hre15m4.>153c.c#L1768sr"/a>)o c8sesrbinfmt8 75="linlass="8ine"b8415"li>152lsref">linux_binfmt*isr+igned lod_rfna *isr+amp7ode=r7p2" c15  ">151a6gnaligned lod_rfna *6gnalamp7ode=r7p2" c15  ">151group_stop_s="line"bpr6a hr"/a>group_stop_s="li"fs/eds07) hre15m4.>153c.c#L1768f 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lod_rrlimiteads=="+8.1L168"7la8hr14"li>146.1L135">2135"/8>o)oerd"n7="+code=pagesine"ENOEXECeadso||a="+code=r7p2" c15  ">15114ro_*isi_fve_sre6on unsi14ro_*isi_a hr)ds"fs/execde_useso4ro_*isi_fve_sre6on unsi14ro_*isi_a hr"linlass="line"bpr6a hr8-id.">linu8I7* sy"_co_fve()muntiutes8a new86>145c.c#L#elsefmt"/a>il exe fs/execMn"s1472">146or"/an""fs/edsil exe fs/execMzap_pro/a>ffve_sre6on unsizap_pro/a>f146rin7="+code=pagestskf14hre>142lock"tskamp7,aexecde_usesopenexiti14d_fve_sre6on unsiexiti14d_"fs/7"linlass="line"bpr6a hr8-pen_"+1538 14+co>146/exec=mnt" clas8="sre86d_rretvaleads"fs/execde_usesopen_"+18rnam4.1L158ode=pages" file 7l8"linla8s="li8615ca>>150 hreffs/execde_uses*pin_unlock_irqigned lod_rfna *pin_unlock_irqecde_a h>148/exec.c#L137"sskf14hre>142lock"tskamp7ode=r7p2" c15  ">151a6ghansref">lunshano_fa6ghansamp7ode=r7p2" c15  ">151a6glockref">lunshano_fa6glock"fs/6"linlass="line"bpr6a hr8-ux__"+1508ck"/="+code=pages" irgvs=8sref"869ne"bpr6a hra"fs/7lass=14a h>146unlikely nam4.1L168"7_1unlikely146rin7="+code=pagesn"s1472">146or"/an""fs/e< 0)732>140c.c#L176" id.">l8);o146or"/an""fs/"linlass="line"bpr6a hr8<4444444br8href="+code=pages" reg, u8signe874hre>146l hrenfmt"/a>);o146 execdereasref">lunshano_f execdereasecde_a h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151mm_userffve_sre6on unsimm_userf="+c6 =dsil exe fs/execMn"s1472">146or"/an""fs/e+ 1732>140c.c#L176" id.">l8<4444444br8href="+code=pages" bpr6"l8nlass873ne"bpr6a hraaaaaaaaafs/execde_uses1535 hdom4.1e_sre6on unsidom4"fs/"linlass="line"bpr6a hr8of[2]aa ">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class=8<1L168"7la8e=pages" displacod"linlas8="lin8715a hf">linux_binfmt"/7a> *adsefs/ex* We should find and kill all tasks which use this mm, and we should" c14"li>149e=rea=mnt" class=8linu8 cleaa_in_co_f unsigned l8d_rcl87ine"bf">linux_binfmt"/7a> * dsefs/ex* s="li them 14rrectly>8fso ode=rnr_threasf. We dom37"bft take tasklis+="c14"li>149e=rea=mnt" class=8linux_binfmt"/7a> * dsefs/ex* lock, but this is safe wrt:" c14"li>149e=rea=mnt" class=8linux_binfmt"/7a> * dsefs/ex*" c14"li>149e=rea=mnt" class=8linux_binfmt"/7a> * dsefs/ex* fork:" c14"li>149e=rea=mnt" class=8 s="s14=EX8147s="sref">read_">2135"/8>olinux_binfmt"/7a> * dsefs/ex*      None of sub-threasf clinfork after zap_pro/a>f(leaser). All" c14"li>149e=rea=mnt" class=8 4444444br8lu a i148asexoinRLIMIT_NP8OCmun8815"lif">linux_binfmt"/7a> *adsefs/ex*efs/expro/a>fes which were created bef4ro this po untshould be" c14"li>149e=rea=mnt" class=8 _uses14718becauspagef">linux_binfmt"/7a> *adsefs/ex*      visiblesso zap_threasf() becaus" 14py_pro/a>f() adds the new" c14"li>149e=rea=mnt" class=8 4444444br8"lin6ef">.  He a wa addit8onall88"filef">linux_binfmt"/7a> *adsefs/ex* fs/expro/a>fsso the tail of inititask.tasks lis+, and lock/unlock" c14"li>149e=rea=mnt" class=8 r6a hr"/a8* whee"ar NPROCmlimit6isE8ti ex88"filef">linux_binfmt"/7a> *adsefs/ex*      of ode=ra6glockxprovides a memory barrier.="c14"li>149e=rea=mnt" class=8odsof="+co848.1L135">2135"/a>olinux_binfmt"/7a> *adsefs/ex*="c14"li>149e=rea=mnt" class=8oid.">linu8unsigned lod_rPF_NPROC_EX8EEDED88ine"bf">linux_binfmt"/7a> * dsefs/ex* do_exit:" c14"li>149e=rea=mnt" class=8 pen_"+1538RLIMIT_NPROC unsigned lod8rRLIM88d_rref">linux_binfmt"/7a> * dsefs/ex*      The 1aller holds mmode=rmmap_sem. This means that the task which" c14"li>149e=rea=mnt" class=8 nam4.1L158ds="sref">lh"/aEAGAIN uns8gned 88rou=_f">linux_binfmt"/7a> * dsefs/ex*efs/exus"s this mm cli37"bft p_bi exitimm(), so it cli37"bft exit or clear" c14"li>149e=rea=mnt" class=8 ux__"+1508+code=pages" ou=_ret unsi8ned l88ages"f">linux_binfmt"/7a> * dsefs/ex*      its ode=rmm.="c14"li>149e=rea=mnt" class=889 hr)ass18"line" nam4.1L168"7=s="s18"li>189lod_rf">linux_binfmt"/7a> * dsefs/ex*="c14"li>149e=rea=mnt" class=884444444br8 hr)ass14"line" nam4.1L168"7las8915"lif">linux_binfmt"/7a> *adsefs/ex*ede_threas:" c14"li>149e=rea=mnt" class=8r co_fve()8xor again),>"o wa done un8t wag89>pagef">linux_binfmt"/7a> *adsefs/ex*      It does lis+ereplace_rcu_a h>1leaserode=rtasks,ea h>1"a hrefode=rtasks)," c14"li>149e=rea=mnt" class=8r4444444br8href="f* fure"ar co_fve()8ci es89"filef">linux_binfmt"/7a> *adsefs/ex* fs/exwe must see either old or new leaser, this does not matte".="c14"li>149e=rea=mnt" class=88r6a hr"/a8C_EXCEEDED unsigned lod_r8F_NPR89"filef">linux_binfmt"/7a> *adsefs/ex*      However, it cli>cicnge pode=ra6ghans, so lock_task_=6ghans(p)" c14"li>149e=rea=mnt" class=8open_"+1498 hr)ass14"line" nam4.1L168"7la 8915a hf">linux_binfmt"/7a> *adsefs/ex*      must bexus"d. Since pode=rmm != NULL and we hold ode=rmmap_sem" c14"li>149e=rea=mnt" class=8oid.">linu8de_usesrdisplacod"linlass8"line89ine"bf">linux_binfmt"/7a> * dsefs/ex*      it cli37"bft fail.="c14"li>149e=rea=mnt" class=88pen_"+1538Y_72="line" namretval uns8gned 89d_rref">linux_binfmt"/7a> * dsefs/ex*="c14"li>149e=rea=mnt" class=88nam4.1L158+code=pages" ou=_ret unsi8ned l89rou=_f">linux_binfmt"/7a> * dsefs/ex*efs/exNote also that 3quot;g3quot; cli>be the old leaser with9ode=rmm == NULL="c14"li>149e=rea=mnt" class=88ux__"+1508 hr)ass14+code=load_shlib8 7lnp89ages"f">linux_binfmt"/7a> * dsefs/ex*      and alreasy unhashed and thus removed from9ode=rthreas_group.="c14"li>149e=rea=mnt" class=9valeadsolh"/aENOMEM uns9gned 90lod_rf">linux_binfmt"/7a> * dsefs/ex*      This is OK, __unhash_pro/a>f()ode=rlis+edel_rcu_) does not="c14"li>149e=rea=mnt" class=9v1leadsolinux_binfmt"/7a> *adsefs/ex*efs/exclear the ode=rnext po uner, w_ will find the new leaser via" c14"li>149e=rea=mnt" 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h>146Y"14hre>142lock" "/a>ode=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/ea h>1 7p2" c15  ">151PF_KTHREADfve_sre6on unsiPF_KTHREAD"fs/732>140c.c#L176" id.">l9g9en_"+15c9 hr)ass14+code=load_shlib9lass=90ages"argva hr,ntil exxxxxxxxxcontinue"linlass="line"bpr6a hr97=MAY_72="9ine" namretval unsigned l9d_rre91lod_renvpa hr,ntil exn7="+code=pagesp"14hre>142lock"p"fs/edsil exe fs/execMY"14hre>142lock" "/a>"linlass="line"bpr6a hr971leadso)oerd"do ned lod_rrlimiteads=="+97c.c#L137"9 hr9ss="sref">lretval uns9gned 91>pagestr.eadsefs/execcccccccc"fs/7lass=14a h>146p"14hre>142lock"p"fs/ode=r7p2" c15  ">151ine"ENOEXECeadso||a="+c6 ned lod_rrlimiteads=="+9)o cs="sre9">lh"in_co_fve"linlass="l9ne"in913ne"bpr6a hraaaaaaaaacccccccccccccccc"fs/7lass=14a h>146unlikely nam4.1L168"7_1unlikely146rin7="+code=pagesp"14hre>142lock"p"fs/ode=r7p2" c15  ">151ine"ENOEXECeadso||a="+c =dsil exe fs/execMine"ENOEXECeadso||a="+c66 ned lod_rrlimiteads=="+9)4toE="+co9 hr)ass15  "a href="+code9r7pf=91"buf">of[2]aa"fs/execccccccccccccccccccccccccil exe fs/execMlock_task_=6ghanse"ENOEXECeadso|lock_task_=6ghans146rin7="+code=pagesp"14hre>142lock"p"fs/,ea h>17p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a hr9)5toE="+co9de=pages" file 7l8"linlas9="lin91ea hr)o1lt;g0a>)oerd"""""""""""""""""ccccccccil exe fs/execMn"s1472">146or"/an""fs/e+dsil exe fs/execMzap_pro/a>ffve_sre6on unsizap_pro/a>f146rin7="+code=pagesp"14hre>142lock"p"fs/,eexecde_usesopenexiti14d_fve_sre6on unsiexiti14d_"fs/7"linlass="line"bpr6a hr9c6" id.7=M9ds=="+code=pages" file"li9lass=91>145c.c#L#elsefmt"/a>""""""""""""""""ccccccccil exe fs/execMunlock_task_=6ghanse"ENOEXECeadso|unlock_task_=6ghans146rin7="+code=pagesp"14hre>142lock"p"fs/,ea h>17p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a hr9)7en_"+15c9ds=="+code=pages" file"li9lass=91d_rretvaleadsa>)oerd"efmt"/a>>>>>>>>>"fs/execde_usesopen_"+1978en_"+15c9pages" ou=_unmar="linlass9"line911]ae1ef="1ef="L175" 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hr9o5toE="+co9 hr)ass15a href="fs/execd9_7ia 9214"li>149a hrnfmt"/a>);o146or"/an""fs/"linlass="line"bpr6a hr9o6" id.7=M9ds=="+code=pages" bpr6"li9lass=92>145c}linlass="line"bpr6a hr9o7en_"+15c9Y_72="line" namretval uns9gned 92d_rrelinlass="line"bpr6a hr9o8en_"+15c9ode=pages" ou=_file unsig9ed lo921]ae1*isible until exe fs/execM14rodump_waitigned lod_rfna 14rodump_waitecde_"fs/execde_usesopenexiti14d_fve_sre6on unsiexiti14d_"fs/,a=pages"open_"+co_flags14ro_*isi_fve_sre6on unsi14ro_*isi_a hr)gn7="+code=pages14ro_*isi_fve_sre6on unsi14ro_*isi_a hr732>140c.c#L176" id.">l9open_"+1529 hr)ass15href="+code=linu9_7R8=929]ae1ned lod_rrlimiteads=="+9sref">lMAX9ARG_STRINGSs="sref">pages9MAX_A93lod_renvpa hr=pages"open_"+co_flagstask_=pagesf14hre>142lock"task_=pagesa hr)gn7="+code=pagestskf14hre>142lock"tskamp7)ds"fs/execde_usesopen_"+15a2 hr)ass15  "a href="+c"linlass="line"bpr6a hr9hr"/a>)o c9="sref">lh"argeL170" ies_9id"/a9gea hr)o1lt;g0=pages"open_"+co_flagsmm_=pagesf14hre>142lock"mm_=pagesa 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unsi14ro_*isi_a hrode=r7p2" c15  ">151dumper"14hre>142lock"dumpera hr.ss14"line" nam4nexts1472">146or"/anextamp7)ds"fs/execde_usesNULLs1472">146or"/aNULL="p7"linlass="line"bpr6a hr9"7en_"+15c9 hr)ass15href="+code=linu9_7_6=93d_rrelinlass="line"bpr6a hr9 nam4.1L159l156"14c"+>140c.c#L176" i9.">li9315ca>>150 hreffs/execde_usesdownewrii_fve_sre6on unsidownewrii_ecde_a h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151mmap_seme"ENOEXECeadso||aap_sem" s/6"linlass="line"bpr6a hr9"pen_"+1529bi7)8="f14ef=>143lock"/a>9;o15114ro_*isi_fve_sre6on unsi14ro_*isi_a hr732>140c.c#L176" id.">l9s14a href=9fs/execde_7ss="s14a h>1439r"/a>94lod_renvpa hr,ntil exn7="+code=pages14ro_waiterffve_sre6on unsi14ro_waiterf="+c)dsil exe fs/execMzap_threasffve_sre6on unsizap_threasf146ri"fs/execde_usessskf14hre>142lock"tskamp7eon7="+code=pagesine"ENOEXECeadso||a="+c=s = "a href="+coo4ro_*isi_fve_sre6on unsi14ro_*isi_a hr,eexecde_usesopenexiti14d_fve_sre6on unsiexiti14d_"fs/7"linlass="line"bpr6a hr9sr"/a>)o c9sesrbinfmt8 75="linlass="9ine"b9415"li>152lsref">linux_binfmtupewrii_fve_sre6on unsiupewrii_ecde_a h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151mmap_seme"ENOEXECeadso||aap_sem" s/6"linlass="line"bpr6a hr9f class="s9CONFIG_MODULESs="sref">pa9es"CO94>page) hre15m4.>153c.c#L1769fo cs="sre9=  hr9ss="sref">lNULe" br9ak;o<9415"li>153LARG"fs/7lass=14a h>14614ro_waiterffve_sre6on unsi14ro_waiterf="+c)de=r 06 ned lod_rrlimiteads=="+9f hro144ref">fsnotify9ILE"/94"buf">of[2]aa"fs/exec=pages"open_"+co_flags14ro_threasref">lunshano_f14ro_threasa hr)gn7="+code=pagess="s1472">146or"/ap=""fs/7) hre15m4.>153c.c#L1769dpen_"+1529de_7/a hr14a h>144a href=9fs/ex9415a h2s="s14=EX>145or"/a> =9sid.">linu9"+code=pages" e"linlass="9ine"s94>145c.c#L#elsefmt"/a>il exe fs/execMwait_for_14mpletio14+code=load_shlwait_for_14mpletio1ecde_a h>148/exec.c#L137"o4ro_*isi_fve_sre6on unsi14ro_*isi_a hrode=r7p2" c15  ">151*isr+upigned lod_rfna *isr+up"fs/6"linlass="line"bpr6a hr9d gotoE="+9ef">lh"buf"linlass="line"9uf">o94d_rretvaleadsa>)oerd" ">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class=9snam4.1L159ef">lh"buf"linlass="line"9uf">o94rou=_f">linux_binfmt"/7a> * dsefs/exxxxxxxxx* Wait for all the threasfsso bemt"es"uactive, so that" c14"li>149e=rea=mnt" class=9spen_"+1529ef">lh"buf"linlass="line"9uf">o94ages"f">linux_binfmt"/7a> * dsefs/exxxxxxxxx* all the threasxcontext (extend"s register *isi_, like" c14"li>149e=rea=mnt" class=9bpr6a hr"/9>)o cs="sref">lh"buf"linl9ss="l95lod_rf">linux_binfmt"/7a> * dsefs/exxxxxxxxx* fpu etc) gets 14pi"s to the memory.="c14"li>149e=rea=mnt" class=944444444br9=k"xbf="fs/ex7c.c#L75/a>)9#en-E9515"lif">linux_binfmt"/7a> *adsefs/exxxxxxxxx*a" c14"li>149e=rea=mnt" class=9="srefsnot9fy7=MAY_72="line" namtr.19128"e95>pagestr.eadsefs/execn7="+code=pagess="s1472">146or"/ap=""fs/)ds"fs/execde_useso4ro_*isi_fve_sre6on unsi14ro_*isi_a hrode=r7p2" c15  ">151dumper"14hre>142lock"dumpera hr.ss14"line" nam4nexts1472">146or"/anextamp7"linlass="line"bpr6a hr944444444br9=k"xbf="fs/ex7c.c#L75/a>)9#en-E953ne"bpr6a hraaaaaaaaawhiles/7lass=14a h>146p="s1472">146or"/ap=""fs/)!ds"fs/execde_usesNULLs1472">146or"/aNULL="p76 ned lod_rrlimiteads=="+9= hrolh"buf"linla9s="li95"buf">of[2]aa"fs/exec6a hraaafl exe fs/execMwait_task_"uactive4+code=load_shlwait_task_"uactive146rin7="+code=pagesp="s1472">146or"/ap=""fs/ode=r7p2" c15  ">151taskf14hre>142lock"taskamp7, 06"linlass="line"bpr6a hr94pen_"+1529am4.1L168"7la hr14"li>1459 href95ea hr)o1lt;g0a>)oerd">of[2]aaf7="+code=pagess="s1472">146or"/ap=""fs/)ds"fs/execde_usesp="s1472">146or"/ap=""fs/ode=r7p2" c15  ">151nexts1472">146or"/anextamp7"linlass="line"bpr6a hr94id.">linu9ss14"line" nam4.1L168"72196"14"95>145c.c#L#elsefmt"/a>}linlass="line"bpr6a hr9ppen_"+1539ode=r72o145/exec9c#L1395d_rretvaleads"fs/execde_usesopen_"+19pnam4.1L159s14="+code=CONFIG_MMU728"9i14="95rou=_filea hr"fs/execde_use9bux__"+1509"line" nam4.1L168"728="f19"li>195ages"argva hrnfmt"/a>);o);opage*isiblevoidtil exe fs/execM14rodump_finishigned lod_rfna 14rodump_finish146ri=pages"open_"+co_flagsmm_=pagesf14hre>142lock"mm_=pagesa hr)gn7="+code=pagesine"ENOEXECeadso||a="+c732>140c.c#L176" id.">l9-4444444br9ndler unsigned lod_rsearc9_bina9615"lined lod_rrlimiteads=="+9-r6a hr"/a9 hr)ass14+code=load_shlib9 7lo<96"buf">of[2]aa=pages"open_"+co_flags14ro_threasref">lunshano_f14ro_threasa hr)gn7="+code=pages"a h15a2 hr)ass15  "a hamp7, gn7="+code=pagesnexts1472">146or"/anextamp7"linlass="line"bpr6a hr9.1L168"7la9hr14"li>146.1L135">2135"/9>o142lock"task_=pagesa hr)gn7="+code=pagestaskf14hre>142lock"taskamp7"linlass="line"bpr6a hr9.id.">linu9I7* sy"_co_fve()muntiutes9a new96>145clinlass="line"bpr6a hr9.pen_"+1539 14+co>146/exec=mnt" clas9="sre96d_rretvaleadsss14"line" nam4nexts1472">146or"/anextamp7)ds"fs/execde_usesine"ENOEXECeadso||a="+code=r7p2" c15  ">15114ro_*isi_fve_sre6on unsi14ro_*isi_a hrode=r7p2" c15  ">151dumper"14hre>142lock"dumpera hr.ss14"line" nam4nexts1472">146or"/anextamp7"linlass="line"bpr6a hr9rnam4.1L159ode=pages" file 7l8"linla9s="li9615ca>>150 hrewhiles/iec.c#L144444444cpen15a2 hr)ass15  "a hamp7)ds"fs/execde_usesnexts1472">146or"/anextamp7))!ds"fs/execde_usesNULLs1472">146or"/aNULL="p76 ned lod_rrlimiteads=="+9-ux__"+1509ck"/="+code=pages" irgvs=9sref"96ages"argva hr,ntil exss14"line" nam4nexts1472">146or"/anextamp7)ds"fs/execde_usescpen15a2 hr)ass15  "a hamp7ode=r7p2" c15  ">151nexts1472">146or"/anextamp7"linlass="line"bpr6a hr9142lock"taskamp7)ds"fs/execde_usescpen15a2 hr)ass15  "a hamp7ode=r7p2" c15  ">151taskf14hre>142lock"taskamp7"linlass="line"bpr6a hr9<4444444br9href="+code=pages" reg, u9signe97ea hr)o1lt;g0a>)oerd" ">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class=9e_uses14719hr)ass1472" id.1L172" cla97="li97>pagef">linux_binfmt"/7a> *adsefs/exxxxxxxxx* see exitimm(), "a hode=rtask must not see" c14"li>149e=rea=mnt" class=9e4444444br9href="+code=pages" bpr6"l9nlass97"filef">linux_binfmt"/7a> *adsefs/exxxxxxxxx* ode=rtask == NULL bef4ro we reasxode=rnext.="c14"li>149e=rea=mnt" class=9linux_binfmt"/7a> *adsefs/exxxxxxxxx*a" c14"li>149e=rea=mnt" class=9<1L168"7la9e=pages" displacod"linlas9="lin97ea hr)o1lt;g0a>)oerd"n7="+code=pagessmp_mbigned lod_rfna *mp_mb146ri6"linlass="line"bpr6a hr9linu9 cleaa_in_co_f unsigned l9d_rcl97>145c.c#L#elsefmt"/a>il exe fs/execMcpen15a2 hr)ass15  "a hamp7ode=r7p2" c15  ">151taskf14hre>142lock"taskamp7)ds"fs/execde_usesNULLs1472">146or"/aNULL="p7"linlass="line"bpr6a hr9)oerd" l exe fs/execMwake_up_pro/a>ffve_sre6on unsiwake_up_pro/a>f146ri"fs/execde_usessaskf14hre>142lock"taskamp76"linlass="line"bpr6a hr9read_">2135"/9>o138"/a> = "a href="+coine"ENOEXECeadso||a="+code=r7p2" c15  ">15114ro_*isi_fve_sre6on unsi14ro_*isi_a hr)ds"fs/execde_usesNULLs1472">146or"/aNULL="p7"linlass="line"bpr6a hr9 4444444br9lu a i148asexoinRLIMIT_NP9OCmun9815"li"fs/execde_usesopen_"+19 _uses14719becauspage) hre15m4.>153c.c#L1769 4444444br9"lin6ef">.  He a wa addit9onall98"filef">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class=9 r6a hr"/a9* whee"ar NPROCmlimit6isE9ti ex98"filef">linux_binfmt"/7a> *a* set_dumpablesconverts traditio1al three-value dumpablesto two flagf ans14c14"li>149e=rea=mnt" class=9 1L168"7la948.1L135">2135"/a>olinux_binfmt"/7a> *a* st4ros them 8fso mmode=rflagf.  It modifies lower two bits of mmode=rflagf, but14c14"li>149e=rea=mnt" class=9 id.">linu9unsigned lod_rPF_NPROC_EX9EEDED98ine"bf">linux_binfmt"/7a> * * these bits aro not cicnged  execdally.  So get_dumpablesclinobserve the14c14"li>149e=rea=mnt" class=9 pen_"+1539RLIMIT_NPROC unsigned lod9rRLIM98d_rref">linux_binfmt"/7a> * *  unermedisi_ *isi_.  To avoidtdoing unexpected behavior, get get_dumpable14c14"li>149e=rea=mnt" class=9 nam4.1L159ds="sref">lh"/aEAGAIN uns9gned 98rou=_f">linux_binfmt"/7a> * *rnfmt"/aeither old dumpablesor new one by paying attentio1 to the orser of14c14"li>149e=rea=mnt" class=9 ux__"+1509+code=pages" ou=_ret unsi9ned l98ages"f">linux_binfmt"/7a> * * modifying the bits.="c14"li>149e=rea=mnt" class=989 hr)ass19"line" nam4.1L168"7=s="s19"li>199lod_rf">linux_binfmt"/7a> * 4" c14"li>149e=rea=mnt" class=984444444br9 hr)ass14"line" nam4.1L169"7las9915"lif">linux_binfmt"/7a> *a* dumpables|/a>mmode=rflagf (binary)" c14"li>149e=rea=mnt" class=9r co_fve()9xor again),>"o wa done un9t wag99>pagef">linux_binfmt"/7a> *a* old  new | initial  unerim  final" c14"li>149e=rea=mnt" class=9r4444444br9href="f* fure"ar co_fve()9ci es99"filef">linux_binfmt"/7a> *a* ooooooooo+-----------------------" c14"li>149e=rea=mnt" class=9rr6a hr"/a9C_EXCEEDED unsigned lod_r9F_NPR99"filef">linux_binfmt"/7a> *a*  0"/a>1 s|/a>0038"/a>0138"/a>01" c14"li>149e=rea=mnt" class=9r1L168"7la9 hr)ass14"line" nam4.1L169"7la 9915a hf">linux_binfmt"/7a> *a*  0"/a>2 s|/a>0038"/a>10(*)/a>11" c14"li>149e=rea=mnt" class=9rid.">linu9de_usesrdisplacod"linlass9"line99ine"bf">linux_binfmt"/7a> * *a>1 s  0"/|/a>0138"/a>0038"/a>00" c14"li>149e=rea=mnt" class=9rpen_"+1539Y_72="line" namretval uns9gned 99d_rref">linux_binfmt"/7a> * *a>1 s  2"/|/a>0138"/a>1138"/a>11" c14"li>149e=rea=mnt" class=9rnam4.1L159+code=pages" ou=_ret unsi9ned l99rou=_f">linux_binfmt"/7a> * *  2"/  0"/|/a>1138"/a>10(*)/a>00" c14"li>149e=rea=mnt" class=9rux__"+1509 hr)ass14+code=load_shlib9 7lnp99ages"f">linux_binfmt"/7a> * *  2"/  1"/|/a>1138"/a>1138"/a>01" c14"li>149e=rea=mnt" class20valeadso<20valeass14+code=load_shli20val>20vaod_rf">linux_binfmt"/7a> * 4" c14"li>/pre>
>149e=rea=mnt" class20v1leadso<20vhr)ass14"line" nam4.1L120vhr>20v15"lif">linux_binfmt"/7a> *a* (*)/get_dumpablesregards  unerim value of 10 as>11.="c14"li>149e=rea=mnt" class20v2leadso<20vor again),>"o wa done u20vor>20v>pagef">linux_binfmt"/7a> *a*a" c14"li>149e=rea=mnt" class20v3leadso<20vref="f* fure"ar co_fve(20vre>20v"filevoidtil exe fs/execMset_dumpableigned lod_rfna *et_dumpable146ri=pages"open_"+co_flagsmm_=pagesf14hre>142lock"mm_=pagesa hr)gn7="+code=pagesine"ENOEXECeadso||a="+c,a"fs/execde_usesopenvaluee"ENOEXECeadso|value="+c732>140c.c#L176" id.">20v4leadso<20v_EXCEEDED unsigned lod_20v_E>20v45"lined lod_rrlimiteads=="20v5leadso<20vhr)ass14"line" nam4.1L120vhr>20vea hr)o1lt;g0=witchs/7lass=14a h>146valuee"ENOEXECeadso|value="+c7 ned lod_rrlimiteads=="20v6leadso<20ve_usesrdisplacod"linlas20ve_>20v>145c.c#L#elscase 7lass=14a h>146SUID_DUMPABLE_DISABLEDfve_sre6on unsiSUID_DUMPABLE_DISABLED145c:"ou=eads"fs/execde_us20v7leadso<20v_72="line" namretval un20v_7>20vd_rretvaleadsa>)oerd" l exe fs/execMclear_bitigned lod_rfna 1lear_bit146ri"fs/execde_usesMMF_DUMPABLEigned lod_rfna MMF_DUMPABLE="+c,aa h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a h20v8leadso<20vcode=pages" ou=_ret uns20vco>20v1]ae1ef="1ef="L175" in7="+code=pagessmp_wmbigned lod_rfna *mp_wmb146ri6"linlass="line"bpr6a h20v9leadso<20vhr)ass14+code=load_shli20vhr>20vages"argva hr,ntil exss14"line" nam4clear_bitigned lod_rfna 1lear_bit146ri"fs/execde_usesMMF_DUMP_SECURELYfve_sre6on unsiMMF_DUMP_SECURELY="+c,aa h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a h201aleadso<20ine" namretval unsigned 20ine>20inges"argva hr,ntil exbreak7) hre15m4.>153c.c#L1720i1leadso<20ode=pages" ou=_free"linl20ode>20i1145c.c#L#elscase 7lass=14a h>146SUID_DUMPABLE_ENABLEDfve_sre6on unsiSUID_DUMPABLE_ENABLED145c:"ou=eads"fs/execde_us2012leadso<20 hr9ss="sref">lretval un20 hr>20i>pagestr.eadsefs/execn7="+code=pages*et_bitigned lod_rfna *et_bit146ri"fs/execde_usesMMF_DUMPABLEigned lod_rfna MMF_DUMPABLE="+c,aa h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a h2013leadso<20">lh"in_co_fve"linlass="20">l>20i3ne"bpr6a hraaaaaaaaan7="+code=pagessmp_wmbigned lod_rfna *mp_wmb146ri6"linlass="line"bpr6a h2014leadso<20 hr)ass15  "a href="+cod20 hr>20i"buf">of[2]aa"fs/execss14"line" nam4clear_bitigned lod_rfna 1lear_bit146ri"fs/execde_usesMMF_DUMP_SECURELYfve_sre6on unsiMMF_DUMP_SECURELY="+c,aa h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a h2015leadso<20de=pages" file 7l8"linla20de=>20iea hr)o1lt;g0a>)oerd"break7) hre15m4.>153c.c#L1720i6leadso<20ds=="+code=pages" file"l20ds=>20i>145c.c#L#elscase 7lass=14a h>146SUID_DUMPABLE_SAFEigned lod_rfna SUID_DUMPABLE_SAFE145c:"ou=eads"fs/execde_us2017leadso<20ds=="+code=pages" file"l20ds=>20id_rretvaleadsa>)oerd" l exe fs/execM*et_bitigned lod_rfna *et_bit146ri"fs/execde_usesMMF_DUMP_SECURELYfve_sre6on unsiMMF_DUMP_SECURELY="+c,aa h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a h2018leadso<20pages" ou=_unmar="linlas20pag>20i1]ae1ef="1ef="L175" in7="+code=pagessmp_wmbigned lod_rfna *mp_wmb146ri6"linlass="line"bpr6a h2019leadso<20 hr)ass15  "a href="+cod20 hr>20iages"argva hr,ntil exss14"line" nam4*et_bitigned lod_rfna *et_bit146ri"fs/execde_usesMMF_DUMPABLEigned lod_rfna MMF_DUMPABLE="+c,aa h>148/exec.c#L137"ine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/6"linlass="line"bpr6a h202aleadso<20&7schec_co_f unsigned20&am>20&aa hr)o1lt;g0a>)oerd"break7) hre15m4.>153c.c#L172021leadso<20 hr)ass15"line" nam4.1L120 hr>20&ea hr)o1lt;g0}linlass="line"bpr6a h20&2leadso<20solfile"20so<>20&2a hr"fs/execde_usesopen_"+20&3leadso<20ss="sref">lfile 7l8"linl20ss=>20&o_fveeadsolfile 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lod_rfna filea hr)gn7="+code=pagesfileigned lod_rfna filea hr732>140c.c#L176" id.">20A8leadso<20l156"14c"+>140c.c#L176" 20l15>20A1]ae1ned lod_rrlimiteads=="20A9leadso<20bi7)8="f14ef=>143lock"/a20bi7>20Aages"argva hr=pages"open_"+co_flagspipe_inlag_infoigned lod_rfna pipe_inlag_infoa hr)gn7="+code=pagespipeigned lod_rfna pipeamp7"linlass="line"bpr6a h204aleadso<20fs/execde_7ss="s14a h>1420fs/>20fs145clinlass="line"bpr6a h2041leadso<20sesrbinfmt8 75="linlass=20ses>20f15"li>152lsref">linux_binfmtpipeigned lod_rfna pipeamp7)ds"fs/execde_usesfileigned lod_rfna filea hrode=r7p2" c15  ">151f_pathigned lod_rfna f_patha hr.ss14"line" nam4dentry nam4.1L168"7_1dentrya hrode=r7p2" c15  ">151d_inlag nam4.1L168"7_1d_inlaga hrode=r7p2" c15  ">151i_pipeigned lod_rfna i_pipeamp7"linlass="line"bpr6a h2042leadso<20CONFIG_MODULESs="sref">p20CON>20f>page) hre15m4.>153c.c#L1720f3leadso<20=  hr9ss="sref">lNULe" b20=  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unsiwake_up_ unerruptible_sync146ria h>148/exec.c#L137"pipeigned lod_rfna pipeamp7ode=r7p2" c15  ">151waitigned lod_rfna waitecde6"linlass="line"bpr6a h2049leadso<20ef">lh"buf"linlass="line20ef">20fages"argva hr,ntil exss14"line" nam4kill_fasyncfve_sre6on unsikill_fasync146ria h>148/exec.c#L137"pipeigned lod_rfna pipeamp7ode=r7p2" c15  ">151fasync_reaserffve_sre6on unsifasync_reaserf="+c,a7lass=14a h>146SIGIOigned lod_rfna SIGIO="+c,a7lass=14a h>146POLL_INs1472">146or"/aPOLL_INecde6"linlass="line"bpr6a h205aleadso<20>)o cs="sref">lh"buf"lin20>)o>20>)ges"argva hr,ntil exss14"line" nam4pipe_waitigned lod_rfna pipe_wait146ri48/exec.c#L137"pipeigned lod_rfna pipeamp76"linlass="line"bpr6a h2051leadso<20=k"xbf="fs/ex7c.c#L75/a>20=k">20>ea hr)o1lt;g0}linlass="line"bpr6a h2052leadso<20fy7=MAY_72="line" namtr.20fy7>20>>page) hre15m4.>153c.c#L172053leadso<20=k"xbf="fs/ex7c.c#L75/a>20=k">20>15"li>153LARGEfs/execde_usespipeigned lod_rfna pipeamp7ode=r7p2" c15  ">151reaserffve_sre6on unsireaserfamp7--"linlass="line"bpr6a h2054leadso<20)o cs="sref">lh"buf"linl20)o >20>"buf">of[2]aaecde_uses1535 hpipeigned lod_rfna pipeamp7ode=r7p2" c15  ">151wrii_rffve_sre6on unsiwriterf="+c++"linlass="line"bpr6a h2055leadso<20am4.1L168"7la hr14"li>1420am4>20>ea hr)o1lt;g0 = "a href="+copipe_unlockref">lunshano_fpipe_unlock146ri48/exec.c#L137"pipeigned lod_rfna pipeamp76"linlass="line"bpr6a h2056leadso<20ss14"line" nam4.1L168"7220ss1>20>>145clinlass="line"bpr6a h2057leadso<20ode=r72o145/exe20ode>20>7a hr"fs/execde_usesopen_"+2058leadso<20s14="+code=CONFIG_MMU72820s14>20>rou=_filea hr"fs/execde_us20>9leadso<20"line" nam4.1L168"728="f20"li>20>8"a 75=SREG"eixck_base    206aleadso<20="+code=pages" retval un20="+>20=""a 7f">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class20=1leadso<20hr)ass14href="+code=linu20hr)>20=15"lif">linux_binfmt"/7a> *a* umh_pipees"+up"fc14"li>149e=rea=mnt" class20=2leadso<20 hr)ass1472" id.1L172" c20 hr>20=>pagef">linux_binfmt"/7a> *a* helper functio1 to cusexecze the pro/a>fsus"d"fc14"li>149e=rea=mnt" class20=3leadso<20ndler unsigned lod_rsear20ndl>20="filef">linux_binfmt"/7a> *a* to collect the 14ro in userfpac_.  Specifcdally"fc14"li>149e=rea=mnt" class20=4leadso<20 hr)ass14+code=load_shli20 hr>20="filef">linux_binfmt"/7a> *a* it setfsup a pipe and installs it as fd 0 (stdin)" c14"li>149e=rea=mnt" class20=5leadso<20hr14"li>146.1L135">2135"20hr1>20=15a hf">linux_binfmt"/7a> *a* for the pro/a>f.  Rfmt"/s 0 o1 suc/a>f, or" c14"li>149e=rea=mnt" class20=6leadso<20I7* sy"_co_fve()muntiute20I7*>20=ine"bf">linux_binfmt"/7a> * *aPTR_ERR o1 failure.="c14"li>149e=rea=mnt" class2067leadso<20 14+co>146/exec=mnt" cla20 14>20=d_rref">linux_binfmt"/7a> * *aNote that it also setfsthe 14ro limit to 1.  This="c14"li>149e=rea=mnt" class2068leadso<20ode=pages" file 7l8"linl20ode>20=rou=_f">linux_binfmt"/7a> * * is a special value that we use to trap re"a sive14c14"li>149e=rea=mnt" class2069leadso<20ck"/="+code=pages" irgvs20ck">20=ages"f">linux_binfmt"/7a> * * 14ro dump="c14"li>149e=rea=mnt" class2067aleadso<20r9ck"/="+code=pages" env0r9ck>0r9cges"f">linux_binfmt"/7a> * *a" c14"li>149e=rea=mnt" class2071leadso<20href="+code=pages" reg, 20hre>0r91STRI*isible until exe fs/execMumh_pipees"+upigned lod_rfna umh_pipees"+up"f6ri=pages"open_"+co_flagssubpro/a>f_infoigned lod_rfna subpro/a>f_infoa hr)gn7="+code=pagesinfoigned lod_rfna infoa hr,a=pages"open_"+co_flags1resref">lunshano_f1resa hr)gn7="+code=pagesnewref">lunshano_fnew" hr732>140c.c#L176" id.">2072leadso<20hr)ass1472" id.1L172" cl20hr)>0r92]ae1ned lod_rrlimiteads=="2073leadso<20href="+code=pages" bpr6"20hre>0r915"li>153LARG=pages"open_"+co_flagsfileigned lod_rfna filea hr)gn7="+code=pagesfileffve_sre6on unsifilefa hr[2]"linlass="line"bpr6a h2074leadso<20dsof="+code=pages" file"20dso>0r9"buf">of[2]aa=pages"open_"+co_flagsfdtableigned lod_rfna fdtablea hr)gn7="+code=pagesfdtigned lod_rfna fdtamp7"linlass="line"bpr6a h2075leadso<20e=pages" displacod"linla20e=p>0r9ea hr)o1lt;g0=pages"open_"+co_flags14rodump_paramffve_sre6on unsi14rodump_paramfa hr)gn7="+code=pagescpigned lod_rfna cp"fs/edsi=pages"open_"+co_flags14rodump_paramffve_sre6on unsi14rodump_paramfa hr)g)n7="+code=pagesinfoigned lod_rfna infoa hrode=r7p2" c15  ">151data nam4.1L168"7_1dataamp7"linlass="line"bpr6a h2076leadso<20 cleaa_in_co_f unsigned 20 cl>0r965"li>153LARG=pages"open_"+co_flagsfiles_=pagesf14hre>142lock"files_=pagesa hr)gn7="+code=pagescffve_sre6on unsi1famp7)ds"fs/execde_usesopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151fileffve_sre6on unsifilefa hr"linlass="line"bpr6a h2077leadso<20="+code=pages" retval un20="+>0r9d_rretvaleads"fs/execde_usesopeneen15a2 hr)ass15  e hamp7)ds"fs/execde_usescreate_pipeefileffve_sre6on unsicreate_pipeefilef146ri48/exec.c#L137"fileffve_sre6on unsifilefa hr, 06"linlass="line"bpr6a h0r98leadso<20lexec.c#_cred"linlass="l20lex>0r91]ae1ef="1ef="fs/7lass=14a h>146een15a2 hr)ass15  e hamp7732>140c.c#L176" id.">2079leadso<20 hr)ass14"line" nam4.1L120 hr>0r9ages"argva hr,ntil exnfmt"/ail exe fs/execMeen15a2 hr)ass15  e hamp7"linlass="line"bpr6a h0r8aleadso<20147s="sref">read_">2135"20147>2014"a 75=SREG"eixck_base    2081leadso<20lu a i148asexoinRLIMIT_N20lu >20115"li>152lsref">linux_binfmtcpigned lod_rfna cp"fs/ode=r7p2" c15  ">151fileigned lod_rfna filea hr)ds"fs/execde_usesfileffve_sre6on unsifilefa hr[1]"linlass="line"bpr6a h2082leadso<20becaus201>page) hre15m4.>153c.c#L172083leadso<20"lin6ef">.  He a wa addi20"li>20115"li>153LARGEfs/execde_usessys_closeigned lod_rfna *ys_close146ri06"linlass="line"bpr6a h0r84leadso<20* whee"ar NPROCmlimit6is20* w>201"buf">of[2]aaecde_uses1535 hfd_installigned lod_rfna fd_install146ri0,a7lass=14a h>146fileffve_sre6on unsifilefa hr[0]6"linlass="line"bpr6a h0r85leadso<2048.1L135">2135"/a>o201ea hr)o1lt;g0 = "a href="+cospin_lockref">lunshano_fspin_lock146ria h>148/exec.c#L137"cffve_sre6on unsi1famp7ode=r7p2" c15  ">151file_lockref">lunshano_ffile_lockamp76"linlass="line"bpr6a h2086leadso<20unsigned lod_rPF_NPROC_E20uns>201>145c.c#L#els = "a href="+cofdtigned lod_rfna fdtamp7)ds"fs/execde_usesfilef_fdtableigned lod_rfna filef_fdtable146ri48/exec.c#L137"offve_sre6on unsi1famp76"linlass="line"bpr6a h2087leadso<20RLIMIT_NPROC unsigned lo20RLI>201d_rretvaleadsss14"line" nam4_es"+_open_fdigned lod_rfna __s"+_open_fd146ri0,a7lass=14a h>146fdtigned lod_rfna fdtamp76"linlass="line"bpr6a h2088leadso<20ds="sref">lh"/aEAGAIN un20ds=>20115ca>>150 hreffs/execde_uses__1lear_close_on_"bprigned lod_rfna __1lear_close_on_"bpr146ri0,a7lass=14a h>146fdtigned lod_rfna fdtamp76"linlass="line"bpr6a h2089leadso<20+code=pages" ou=_ret uns20+co>2019a hr)o1lt;g0 = "a href="+cospin_unlockref">lunshano_fspin_unlock146ria h>148/exec.c#L137"cffve_sre6on unsi1famp7ode=r7p2" c15  ">151file_lockref">lunshano_ffile_lockamp76"linlass="line"bpr6a h209aleadso<20"line" nam4.1L168"7=s="s20"li>20"lpage) hre15m4.>153c.c#L172091leadso<20 hr)ass14"line" nam4.1L120 hr>20"15"li>152lsref">linux_binfmt"/7a> *14 and disallow 14ro filef too *a" c14"li>149e=rea=mnt" class2092leadso<20xor again),>"o wa done u20xor>20">pagestr.eadsecde_uses1535 hopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151*6gnal"14hre>142lock"*6gnalamp7ode=r7p2" c15  ">151rline"ENOEXECeadso|rlina hr[7p2" c15  ">151RLIMIT_COREigned lod_rfna RLIMIT_COREa hr]edsi=pages"open_"+co_flagsrlimite"ENOEXECeadso|rlinitecde6{1, 1}"linlass="line"bpr6a h2093leadso<20href="f* fure"ar co_fve(20hre>20"o_fveeadso20"4ges"argva hrnfmt"/a0"linlass="line"bpr6a h2095leadso<20 hr)ass14"line" nam4.1L120 hr>20"5a hr"fs/execde_usesopen_"+2096leadso<20de_usesrdisplacod"linlas20de_>20">145clinlass="line"bpr6a h2097leadso<20Y_72="line" namretval un20Y_7>20"d_rrevoidtil exe fs/execMdo_14rodump nam4.1L168"7_1do_14rodump146rilongn = "a href="+co*6gnn15a2 hr)ass15  *6gnna hr, "fs/execde_usesopenexiti14d_fve_sre6on unsiexiti14d_"fs/,a=pages"open_"+co_flagspt_regffve_sre6on unsipt_regfa hr)gn7="+code=pagesregffve_sre6on unsiregfa hr732>140c.c#L176" id.">2098leadso<20+code=pages" ou=_ret uns20+co>20"1]ae1ned lod_rrlimiteads=="2099leadso<20 hr)ass14+code=load_shli20 hr>20"ages"argva hr=pages"open_"+co_flags14ro_*isi_fve_sre6on unsi14ro_*isi_a hr)open_"+co_flags14ro_*isi_fve_sre6on unsi14ro_*isi_a hr"linlass="line"bpr6a h21valeadso<21valeass14+code=load_shli21val>210lod_renvpa hr=pages"open_"+co_flags14ro_ad_sfve_sre6on unsi14ro_ad_sa hr)open_"+co_flags114+code=load_shlcna hr"linlass="line"bpr6a h21v1leadso<21vhr)ass14"line" nam4.1L121vhr>210ea hr)o1lt;g0=pages"open_"+co_flagsmm_=pagesf14hre>142lock"mm_=pagesa hr)gn7="+code=pagesine"ENOEXECeadso||a="+c)ds"fs/execde_usesopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151ine"ENOEXECeadso||a="+c"linlass="line"bpr6a h2102leadso<21vor again),>"o wa done u21vor>2102a hr)o1lt;g0=pages"open_"+co_flags>"oux_binfm+15a2 hr)ass15  >"oux_binfm+a hr)g"open_"+co_flagsbinfm+15a2 hr)ass15  binfm+a hr"linlass="line"bpr6a h2103leadso<21vref="f* fure"ar co_fve(21vre>21015"li>153LARGconsta=pages"open_"+co_flags1resref">lunshano_f1resa hr)gn7="+code=pagesold_1resref">lunshano_fold_1resa hr"linlass="line"bpr6a h2104leadso<21v_EXCEEDED unsigned lod_21v_E>210"buf">of[2]aa=pages"open_"+co_flags1resref">lunshano_f1resa hr)gn7="+code=pages1resref">lunshano_f1resa hr"linlass="line"bpr6a h2105leadso<21vhr)ass14"line" nam4.1L121vhr>21vea hr)o1lt;g0 until exe fs/execMr"+val"14hre>142lock"r"+val="+c)ds0"linlass="line"bpr6a h21v6leadso<21ve_usesrdisplacod"linlas21ve_>210>145c.c#L#els until exe fs/execMflagref">lunshano_fflag="+c)ds0"linlass="line"bpr6a h21v7leadso<21v_72="line" namretval un21v_7>210d_rretvaleads"fs/execde_usesopenispipeigned lod_rfna ispipeamp7"linlass="line"bpr6a h21v8leadso<21vcode=pages" ou=_ret uns21vco>21015ca>>150 hreffs/execde_usesbool"14hre>142lock"boola hr)open_"+co_flagsneed_nonrelative4+code=load_shlneed_nonrelativeamp7)ds"fs/execde_usesfalseigned lod_rfna falseamp7"linlass="line"bpr6a h21v9leadso<21vhr)ass14+code=load_shli21vhr>210ages"argva hr=psible"fs/execde_uses execde+igned lod_rfna  execdeta hr)open_"+co_flags14ro_dump_cou"+15a2 hr)ass15  "4ro_dump_cou"+amp7)ds"fs/execde_usesATOMIC_INIT15a2 hr)ass15  ATOMIC_INIT146ri06"linlass="line"bpr6a h011aleadso<21ine" namretval unsigned 21ine>211lod_renvpa hr=pages"open_"+co_flags14rodump_paramffve_sre6on unsi14rodump_paramfa hr)f">linux_binfmtcprne"ENOEXECeadso|cprnamp7)dsned lod_rrlimiteads=="21i1leadso<21ode=pages" ou=_free"linl21ode>211ea hr)o1lt;g0a>)oerd".ss14"line" nam4*6gnn15a2 hr)ass15  *6gnna hr)ds"fs/execde_uses*6gnn15a2 hr)ass15  *6gnna hr,ed lod_rrlimiteads=="21i2leadso<21 hr9ss="sref">lretval un21 hr>21i>pagestr.eadsefs/exec.ss14"line" nam4regffve_sre6on unsiregfa hr)ds"fs/execde_usesregffve_sre6on unsiregfa hr,ed lod_rrlimiteads=="21i3leadso<21">lh"in_co_fve"linlass="21">l>21i3ne"bpr6a hraaaaaaaaa.ss14"line" nam4limite"ENOEXECeadso|linitecde)ds"fs/execde_usesrlimite"ENOEXECeadso|rlinitecdei48/exec.c#L137"RLIMIT_COREigned lod_rfna RLIMIT_COREa hr),ed lod_rrlimiteads=="21i4leadso<21 hr)ass15  "a href="+cod21 hr>21i"buf">of[2]aa"fs/execs">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class2115leadso<21de=pages" file 7l8"linla21de=>21115a hf">linux_binfmt"/7a> *aaaaaaaaaaaaaaaaa* We must use the s"li>mmode=rflagf whilesdumping 14ro to avoid" c14"li>149e=rea=mnt" class2116leadso<21ds=="+code=pages" file"l21ds=>211ine"bf">linux_binfmt"/7a> * aaaaaaaaaaaaaaaa* inconsistency of bit flagf, since this flag is not protected" c14"li>149e=rea=mnt" class2117leadso<21ds=="+code=pages" file"l21ds=>211d_rref">linux_binfmt"/7a> * aaaaaaaaaaaaaaaa* by any locks.="c14"li>149e=rea=mnt" class2118leadso<21pages" ou=_unmar="linlas21pag>211rou=_f">linux_binfmt"/7a> * dsefs/exxxxxxxxx*a" c14"li>149e=rea=mnt" class2119leadso<21 hr)ass15  "a href="+cod21 hr>21iages"argva hr,ntil ex.ss14"line" nam4in_flagffve_sre6on unsimm_flagf="+ceds"fs/execde_usesine"ENOEXECeadso||a="+code=r7p2" c15  ">151flagffve_sre6on unsiflagf"fs/,ed lod_rrlimiteads=="212aleadso<21&7schec_co_f unsigned21&am>21&aa hr)o1lt;g0}"linlass="line"bpr6a h2121leadso<21 hr)ass15"line" nam4.1L121 hr>2124hre>146l hrenfmt"/a>);olfile"21so<>212>pagestr.eadsecde_uses1535 hauditi14ro_dumpffve_sre6on unsiauditi14ro_dumpfecdei48/exec.c#L137"*6gnn15a2 hr)ass15  *6gnna hr6"linlass="line"bpr6a h01&3leadso<21ss="sref">lfile 7l8"linl21ss=>21&o_fveeadsolfile 7l8"linl21ss=>212"buf">of[2]aaecde_uses1535 hbinfm+15a2 hr)ass15  binfm+a hreds"fs/execde_usesine"ENOEXECeadso||a="+code=r7p2" c15  ">151binfm+15a2 hr)ass15  binfm+a hr"linlass="line"bpr6a h2125leadso<21 hr)ass15a href="fs/exec21 hr>212ea hr)o1lt;g0 fs/execde_usesopen_binfm+15a2 hr)ass15  binfm+a hre|| execde_usesopen_binfm+15a2 hr)ass15  binfm+a hrode=r7p2" c15  ">15114ro_dump nam4.1L168"7_114ro_dumpa hr732>140c.c#L176" id.">21&6leadso<21ds=="+code=pages" bpr6"l21ds=>212>145c.c#L#elsefmt"/a>goto "fs/execde_usesfailigned lod_rfna faila hr"linlass="line"bpr6a h2127leadso<21Y_72="line" namretval un21Y_7>2127a hr)o1lt;g0 fs/execde_usesopen___get_dumpableigned lod_rfna __get_dumpable146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4in_flagffve_sre6on unsimm_flagf="+c)732>140c.c#L176" id.">21&8leadso<21ode=pages" ou=_file unsi21ode>2121]ae1ef="1ef="L175" igoto "fs/execde_usesfailigned lod_rfna faila hr"linlass="line"bpr6a h2129leadso<21 hr)ass15href="+code=lin21 hr>2128"a 75=SREG"eixck_base    213aleadso<21ARG_STRINGSs="sref">page21ARG>21313"li>138"/a> = "a href="+co1resref">lunshano_f1resa hr)ds"fs/execde_usesprepare_1resffve_sre6on unsiprepare_1resf146ri6"linlass="line"bpr6a h0131leadso<21="sref">lh"argeL170" ies21="s>2131a hr)o1lt;g0 fs/execde_usesopen_1resref">lunshano_f1resa hr732>140c.c#L176" id.">21A2leadso<21egotoE="+code=pages" ou=21ego>213>pagestr.eadsefs/execgoto "fs/execde_usesfailigned lod_rfna faila hr"linlass="line"bpr6a h21A3leadso<21 hr)ass15"line" nam4.1L121 hr>21315"li>153LARGE">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class21A4leadso<21ARG_STRINGSs="sref">page21ARG>213"filef">linux_binfmt"/7a> *adsefs/ex* We cannot pagst fsuid as being the "page" uid of the pro/a>f" c14"li>149e=rea=mnt" class21A5leadso<21="sref">lh"enveL170" ies21="s>21315a hf">linux_binfmt"/7a> *aaaaaaaaa* nor do we know its entiro history. We only know it was ta uned" c14"li>149e=rea=mnt" class2136leadso<21_gotoE="+code=pages" ou=21_go>213ine"bf">linux_binfmt"/7a> * aaaaaaaa* so wesdump it as root in mode 2, and only 8fso axcontrolled" c14"li>149e=rea=mnt" class2137leadso<21 hr)ass15href="+code=lin21 hr>213d_rref">linux_binfmt"/7a> * aaaaaaaa* environ/7a> (pipe handler or fully qualified path).="c14"li>149e=rea=mnt" class21A8leadso<21l156"14c"+>140c.c#L176" 21l15>213rou=_f">linux_binfmt"/7a> * dsefs/ex*a" c14"li>149e=rea=mnt" class21A9leadso<21bi7)8="f14ef=>143lock"/a21bi7>21Aages"argva hr"fs/7lass=14a h>146__get_dumpableigned lod_rfna __get_dumpable146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4in_flagffve_sre6on unsimm_flagf="+c) == ss14"line" nam4SUID_DUMPABLE_SAFEigned lod_rfna SUID_DUMPABLE_SAFE145c6 ned lod_rrlimiteads=="214aleadso<21fs/execde_7ss="s14a h>1421fs/>214)ges"argva hr,ntil exs">linux_binfmt"/7a> *14 Setuid 14ro dump mode *a" c14"li>149e=rea=mnt" class2141leadso<21sesrbinfmt8 75="linlass=21ses>214ea hr)o1lt;g0a>)oerd" l exe fs/execMflagref">lunshano_fflag="+c)ds l exe fs/execMO_EXCLs1472">146or"/aO_EXCLa hr"hr,ntil exs">linux_binfmt"/7a> *14 Stop rewrite attacks *a" c14"li>149e=rea=mnt" class2142leadso<21CONFIG_MODULESs="sref">p21CON>214>pagestr.eadsefs/execn7="+code=pages1resref">lunshano_f1resa hrode=r7p2" c15  ">151fsuidref">lunshano_ffsuid="+c)ds l exe fs/execMGLOBAL_ROOT_UIDref">lunshano_fGLOBAL_ROOT_UIDa hr"hrs">linux_binfmt"/7a> *14 Dump root privsi_ *a" c14"li>149e=rea=mnt" class2143leadso<21=  hr9ss="sref">lNULe" b21=  >2143ne"bpr6a hraaaaaaaaaopen_"+co_flagsneed_nonrelative4+code=load_shlneed_nonrelativeamp7)ds"fs/execde_usespage4+code=load_shlpagea hr"linlass="line"bpr6a h2144leadso<21144ref">fsnotif2121f"buf">of[2]aa"fs/execde_usesopen_"+21f5leadso<21de_7/a hr14a h>144a href21de_>21fea hrfs/execde_usesopen_"+21f6leadso<21"+code=pages" e"linlass=21"+c>214>145c.c#L#els = "a href="+cor"+val"14hre>142lock"r"+val="+c)dsopen_"+co_flags14rodump_waitigned lod_rfna 14rodump_wait146ri48/exec.c#L137"exiti14d_fve_sre6on unsiexiti14d_"fs/,aa h>148/exec.c#L137"c4ro_*isi_fve_sre6on unsi14ro_*isi_a hr6"linlass="line"bpr6a h0147leadso<21ef">lh"buf"linlass="line21ef">2147a hr)o1lt;g0 fs/ = "a href="+cor"+val"14hre>142lock"r"+val="+c)< 0732>140c.c#L176" id.">21f8leadso<21ef">lh"buf"linlass="line21ef">21f1]ae1ef="1ef="L175" igoto "fs/execde_usesfail_1resffve_sre6on unsifail_1resfa hr"linlass="line"bpr6a h2149leadso<21ef">lh"buf"linlass="line21ef">2148"a 75=SREG"eixck_base    215aleadso<21>)o cs="sref">lh"buf"lin21>)o>21513"li>138"/a> = "a href="+coold_1resref">lunshano_fold_1resa hr)dsopen_"+co_flagsoverride_1resffve_sre6on unsioverride_1resf146ri48/exec.c#L137"cresref">lunshano_f1resa hr7"linlass="line"bpr6a h2151leadso<21=k"xbf="fs/ex7c.c#L75/a>21=k">2154hre>146l hrenfmt"/a>);o215>pagestr.eadse">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class2153leadso<21=k"xbf="fs/ex7c.c#L75/a>21=k">215"filef">linux_binfmt"/7a> *adsefs/ex* Clear any false 8fdicatio1 of pendinY *6gnals that might14c14"li>149e=rea=mnt" class2154leadso<21)o cs="sref">lh"buf"linl21)o >215"filef">linux_binfmt"/7a> *adsefs/ex* be seen by the filefystem L137 dalled to write the 14ro file.="c14"li>149e=rea=mnt" class2155leadso<21am4.1L168"7la hr14"li>1421am4>21515a hf">linux_binfmt"/7a> *aaaaaaaaa*a" c14"li>149e=rea=mnt" class2156leadso<21ss14"line" nam4.1L168"7221ss1>215>145c.c#L#els = "a href="+co1lear_threas_flagref">lunshano_f1lear_threas_flag146ri48/exec.c#L137"TIF_SIGPENDINGref">lunshano_fTIF_SIGPENDINGa hr7"linlass="line"bpr6a h2157leadso<21ode=r72o145/exe21ode>215d_rrelinlass="line"bpr6a h2158leadso<21s14="+code=CONFIG_MMU72821s14>21515ca>>150 hreffs/execde_usesispipeigned lod_rfna ispipeamp7)ds"fs/execde_usesformati14road_sfve_sre6on unsiformati14road_s146ria h>148/exec.c#L137"c14+code=load_shlcna hr,a7lass=14a h>146*6gnn15a2 hr)ass15  *6gnna hr6"linlass="line"bpr6a h01>9leadso<21"line" nam4.1L168"728="f21"li>21>8"a 75=SREG"eixck_base    216aleadso<21="+code=pages" retval un21="+>2160a hr)o1lt;g0 fs/ = "a href="+coispipeigned lod_rfna ispipeamp76 ned lod_rrlimiteads=="21=1leadso<21hr)ass14href="+code=linu21hr)>216ea hr)o1lt;g0a>)oerd""fs/execde_usesopendump_cou"+15a2 hr)ass15  dump_cou"+amp7"linlass="line"bpr6a h01=2leadso<21 hr)ass1472" id.1L172" c21 hr>216>pagestr.eadsefs/execchar *gn7="+code=pageshelper_argv15a2 hr)ass15  helper_argvamp7"linlass="line"bpr6a h01=3leadso<21ndler unsigned lod_rsear21ndl>216o_fveeadso216"buf">of[2]aa"fs/exec fs/ = "a href="+coispipeigned lod_rfna ispipeamp7)< 07 ned lod_rrlimiteads=="21=5leadso<21hr14"li>146.1L135">2135"21hr1>216ea hr)o1lt;g00000000000000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr)f">linux_binfstrinY">"formati14road_s failed\n"" c14"l6"linlass="line"bpr6a h01=6leadso<21I7* sy"_co_fve()muntiute21I7*>216>145c.c#L#elsefmt"/a>00000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr)f">linux_binfstrinY">"Aborting 14ro\n"" c14"l6"linlass="line"bpr6a h01=7leadso<21 14+co>146/exec=mnt" cla21 14>216d_rretvaleadsa>)oerd"""""""""goto "fs/execde_usesfail_14road_sfve_sre6on unsifail_14road_samp7"linlass="line"bpr6a h01=8leadso<21ode=pages" file 7l8"linl21ode>2161]ae1ef="1ef="L175" i"fs/execde_usesopen_"+2169leadso<21ck"/="+code=pages" irgvs21ck">2168"a 75=SREG"eixck_base    217aleadso<21r9ck"/="+code=pages" env019ck>017lod_renvpa hr,ntil ex fs/ = "a href="+cocprne"ENOEXECeadso|cprnamp7.ss14"line" nam4limite"ENOEXECeadso|linitecde)d= 1)ened lod_rrlimiteads=="2171leadso<21href="+code=pages" reg, 21hre>017ea hr)o1lt;g0a>)oerd"00000000"">linux_binfmt"/7a> *14 See umh_pipees"+up() which setfsRLIMIT_CORE)ds1.="c14"li>149e=rea=mnt" class2172leadso<21hr)ass1472" id.1L172" cl21hr)>017>pagef">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4" c14"li>149e=rea=mnt" class2173leadso<21href="+code=pages" bpr6"21hre>017"filef">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4 Normally 14ro limits aro irrelevant to pipef, since" c14"li>149e=rea=mnt" class2174leadso<21dsof="+code=pages" file"21dso>017"filef">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4 we'ro not writing to the file fystem, but we use" c14"li>149e=rea=mnt" class2175leadso<21e=pages" displacod"linla21e=p>01715a hf">linux_binfmt"/7a> *aaaaaaaaaaaaaaaaaxxxxxxxx4 cprn.limit of 1 hero as a speacial value, this is a" c14"li>149e=rea=mnt" class2176leadso<21 cleaa_in_co_f unsigned 21 cl>017ine"bf">linux_binfmt"/7a> * aaaaaaaaaaaaaaaaxxxxxxxx4 consistent way to catchsre"a sive crashes.="c14"li>149e=rea=mnt" class2177leadso<21="+code=pages" retval un21="+>017d_rref">linux_binfmt"/7a> * aaaaaaaaaaaaaaaaxxxxxxxx4 We can still crashx fsthe 14ro_pattern binary setf="c14"li>149e=rea=mnt" class2178leadso<21lexec.c#_cred"linlass="l21lex>017rou=_f">linux_binfmt"/7a> * dsefs/exxxxxxxxxxxxxxxxx4 RLIM_CORE)ds!1, but it runs as root, and can do="c14"li>149e=rea=mnt" class2179leadso<21 hr)ass14"line" nam4.1L121 hr>017ages"f">linux_binfmt"/7a> * dsefs/exxxxxxxxxxxxxxxxx4 lots of s+upid things.="c14"li>149e=rea=mnt" class218aleadso<21147s="sref">read_">2135"21147>218cges"f">linux_binfmt"/7a> * dsefs/exxxxxxxxxxxxxxxxx4="c14"li>149e=rea=mnt" class2181leadso<21lu a i148asexoinRLIMIT_N21lu >21815"lif">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4 Note that we use task_tgid_vnr hero to grab the pid" c14"li>149e=rea=mnt" class2182leadso<21becaus218>pagef">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4 of the pro/a>f group leaser.  That way we get the14c14"li>149e=rea=mnt" class2183leadso<21"lin6ef">.  He a wa addi21"li>218"filef">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4 right pidx fsa threas in a multi-threased" c14"li>149e=rea=mnt" class2184leadso<21* whee"ar NPROCmlimit6is21* w>218"filef">linux_binfmt"/7a> *adsefs/exxxxxxxxxxxxxxxxx4 14ro_pattern pro/a>f dies.="c14"li>149e=rea=mnt" class2185leadso<2148.1L135">2135"/a>o21815a hf">linux_binfmt"/7a> *aaaaaaaaaaaaaaaaaxxxxxxxx4a" c14"li>149e=rea=mnt" class2186leadso<21unsigned lod_rPF_NPROC_E21uns>218>145c.c#L#elsefmt"/a>00000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hri>149e=rea=mnt" class2187leadso<21RLIMIT_NPROC unsigned lo21RLI>218d_rretvaleadsa>)oerd"""""""""00000000"">linux_binfstrinY">"Pro/a>f %d(%s) hafsRLIMIT_CORE)set to 1\n"" c14"l,ed lod_rrlimiteads=="2188leadso<21ds="sref">lh"/aEAGAIN un21ds=>2181]ae1ef="1ef="L175" iefmt"/a>00000000"fs/execde_usestask_tgid_vnr4+code=load_shlpask_tgid_vnr146ri48/exec.c#L137"cpen_"+15a2 hr)ass15  "a href="+c),a7lass=14a h>146open_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151mt"/fve_sre6on unsi14|a="+c7"linlass="line"bpr6a h0189leadso<21+code=pages" ou=_ret uns21+co>218ages"argva hr,ntil ex00000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr)f">linux_binfstrinY">"Aborting 14ro\n"" c14"l6"linlass="line"bpr6a h019aleadso<21"line" nam4.1L168"7=s="s21"li>219lod_renvpa hr,ntil exxxxxxxxxgoto "fs/execde_usesfail_unlockref">lunshano_ffail_unlockamp7"linlass="line"bpr6a h0191leadso<21 hr)ass14"line" nam4.1L121 hr>219ea hr)o1lt;g0a>)oerd""fs/execde_usesopen_"+2192leadso<21xor again),>"o wa done u21xor>219>pagestr.eadsefs/execn7="+code=pages1prne"ENOEXECeadso|cprnamp7.ss14"line" nam4limite"ENOEXECeadso|linitecde)dcn7="+code=pagesRLIM_INFINITYfve_sre6on unsiRLIM_INFINITYamp7"linlass="line"bpr6a h0193leadso<21href="f* fure"ar co_fve(21hre>21"o_fveeadso219"buf">of[2]aa"fs/execsxecde_usesopendump_cou"+15a2 hr)ass15  dump_cou"+amp7)dcn7="+code=pages execdeinc_remt"/15a2 hr)ass15   execdeinc_remt"/146ria h>148/exec.c#L137"c4ro_dump_cou"+15a2 hr)ass15  "4ro_dump_cou"+amp76"linlass="line"bpr6a h0195leadso<21 hr)ass14"line" nam4.1L121 hr>219ea hr)o1lt;g000000000 fs/ = "a href="+coc4ro_pipe_limite"ENOEXECeadso|c4ro_pipe_limitamp7)& h>1a h>1 / = "a href="+coc4ro_pipe_limite"ENOEXECeadso|c4ro_pipe_limitamp7)&l=r 7lass=14a h>146dump_cou"+15a2 hr)ass15  dump_cou"+amp766 ned lod_rrlimiteads=="2196leadso<21de_usesrdisplacod"linlas21de_>219>145c.c#L#elsefmt"/a>00000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr0"">linux_binfstrinY">"Pidx%d(%s) over c4ro_pipe_limit\n"" c14"l,ed lod_rrlimiteads=="2197leadso<21Y_72="line" namretval un21Y_7>219d_rretvaleadsa>)oerd"""""""""0000000"fs/execde_usestask_tgid_vnr4+code=load_shlpask_tgid_vnr146ri48/exec.c#L137"cpen_"+15a2 hr)ass15  "a href="+c),a7lass=14a h>146open_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151mt"/fve_sre6on unsi14|a="+c7"linlass="line"bpr6a h0198leadso<21+code=pages" ou=_ret uns21+co>2191]ae1ef="1ef="L175" iefmt"/a>"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr0"">linux_binfstrinY">"Skipping 14ro dump\n"" c14"l6"linlass="line"bpr6a h0199leadso<21 hr)ass14+code=load_shli21 hr>219ages"argva hr,ntil ex00000000goto "fs/execde_usesfail_dropcou"+15a2 hr)ass15  fail_dropcou"+amp7"linlass="line"bpr6a h02valeadso<22valeass14+code=load_shli22val>220lod_renvpa hr,ntil ex"fs/execde_usesopen_"+22v1leadso<22vhr)ass14"line" nam4.1L122vhr>2204hre>146l hrenfmt"/a>);o"o wa done u22vor>220>pagestr.eadsefs/execn7="+code=pageshelper_argv15a2 hr)ass15  helper_argvamp7)dcn7="+code=pages rgv_splite"ENOEXECeadso| rgv_split146ri48/exec.c#L137"GFP_KERNELs1472">146or"/aGFP_KERNELa hr,a7lass=14a h>146c14+code=load_shlcna hr.ss14"line" nam414road_sfve_sre6on unsi14road_samp7+1,a7lass=14a h>146NULLs1472">146or"/aNULL="+c7"linlass="line"bpr6a h0203leadso<22vref="f* fure"ar co_fve(22vre>2203ne"bpr6a hraaaaaaaaa fs/execde_usesopen_helper_argv15a2 hr)ass15  helper_argvamp76 ned lod_rrlimiteads=="2204leadso<22v_EXCEEDED unsigned lod_22v_E>220"buf">of[2]aa"fs/execefmt"/a>"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr0"">linux_binfstrinY">"%s failed to allocsi_ memory\n"" c14"l,ed lod_rrlimiteads=="2205leadso<22vhr)ass14"line" nam4.1L122vhr>220ea hr)o1lt;g00000000000000000fmt"/a>"fs/execde_uses__func__ref">lunshano_f__func__="+c7"linlass="line"bpr6a h0206leadso<22ve_usesrdisplacod"linlas22ve_>220>145c.c#L#elsefmt"/a>00000000goto "fs/execde_usesfail_dropcou"+15a2 hr)ass15  fail_dropcou"+amp7"linlass="line"bpr6a h02v7leadso<22v_72="line" namretval un22v_7>220d_rretvaleadsa>)oerd""fs/execde_usesopen_"+22v8leadso<22vcode=pages" ou=_ret uns22vco>220rou=_filea hr"fs/execde_us22v9leadso<22vhr)ass14+code=load_shli22vhr>220ages"argva hr,ntil exss14"line" nam4r"+val"14hre>142lock"r"+val="+c)dsopen_"+co_flags1all_usermodehelper_fnffve_sre6on unsi1all_usermodehelper_fnf146ri48/exec.c#L137"helper_argv15a2 hr)ass15  helper_argvamp7[0],a7lass=14a h>146helper_argv15a2 hr)ass15  helper_argvamp7,ed lod_rrlimiteads=="221aleadso<22ine" namretval unsigned 22ine>221lod_renvpa hr,ntil exxxxxxxxxargva hr,ntil exss14"line" nam4NULLs1472">146or"/aNULL="+c,a7lass=14a h>146UMH_WAIT_EXECs1472">146or"/aUMH_WAIT_EXEC="+c,a7lass=14a h>146umh_pipees"+upigned lod_rfna umh_pipees"+up"f6r,ed lod_rrlimiteads=="2211leadso<22ode=pages" ou=_free"linl22ode>221ea hr)o1lt;g0a>)oerd"xxxxxxxxargva hr,ntil exss14"line" nam4NULLs1472">146or"/aNULL="+c,aa h>148/exec.c#L137"cprne"ENOEXECeadso|cprnamp77"linlass="line"bpr6a h02i2leadso<22 hr9ss="sref">lretval un22 hr>22i>pagestr.eadsefs/execn7="+code=pages rgv_fresfve_sre6on unsi rgv_fres146ri48/exec.c#L137"helper_argv15a2 hr)ass15  helper_argvamp77"linlass="line"bpr6a h02i3leadso<22">lh"in_co_fve"linlass="22">l>22i3ne"bpr6a hraaaaaaaaa fs/ = "a href="+cor"+val"14hre>142lock"r"+val="+c6 ned lod_rrlimiteads=="22i4leadso<22 hr)ass15  "a href="+cod22 hr>22i"buf">of[2]aa"fs/execefs/execn7="+code=pagespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_INFOigned lod_rfna KERN_INFOa hr0"">linux_binfstrinY">"C4ro dump to %s pipe failed\n"" c14"l,ed lod_rrlimiteads=="2215leadso<22de=pages" file 7l8"linla22de=>221ea hr)o1lt;g00000000000000000fmt"/a>"fs/execde_usesc14+code=load_shlcna hr.ss14"line" nam414road_sfve_sre6on unsi14road_samp77"linlass="line"bpr6a h02i6leadso<22ds=="+code=pages" file"l22ds=>221>145c.c#L#elsefmt"/a>00000000goto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h0217leadso<22ds=="+code=pages" file"l22ds=>221d_rretvaleadsa>)oerd""fs/execde_usesopen_"+2218leadso<22pages" ou=_unmar="linlas22pag>2211]ae1ef="1ef=} else ned lod_rrlimiteads=="22i9leadso<22 hr)ass15  "a href="+cod22 hr>22iages"argva hr,ntil ex=pages"open_"+co_flagsinlag nam4.1L168"7_1inlaga hr)gn7="+code=pagesinlag nam4.1L168"7_1inlaga hr"linlass="line"bpr6a h022aleadso<22&7schec_co_f unsigned22&am>222lpage) hre15m4.>153c.c#L172221leadso<22 hr)ass15"line" nam4.1L122 hr>222ea hr)o1lt;g0a>)oerd""fs/ = "a href="+cocprne"ENOEXECeadso|cprnamp7.ss14"line" nam4limite"ENOEXECeadso|linitecde)&l=r 7lass=14a h>146binfm+15a2 hr)ass15  binfm+a hrode=r7p2" c15  ">151min_14rodump nam4.1L168"7_1min_14rodumpamp77) hre15m4.>153c.c#L172222leadso<22solfile"22so<>222>pagestr.eadsefs/exec00000000goto "fs/execde_usesfail_unlockref">lunshano_ffail_unlockamp7"linlass="line"bpr6a h02&3leadso<22ss="sref">lfile 7l8"linl22ss=>22&o_fveeadsolfile 7l8"linl22ss=>222"buf">of[2]aa"fs/exec fs/ = "a href="+coneed_nonrelative4+code=load_shlneed_nonrelativeamp7)& h>1a h>1 "fs/execde_usesc14+code=load_shlcna hr.ss14"line" nam414road_sfve_sre6on unsi14road_samp7[0] !=0"">linux_binfstrinY">'/'" c14"l6 ned lod_rrlimiteads=="2225leadso<22 hr)ass15a href="fs/exec22 hr>222ea hr)o1lt;g00000000000000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr)f">linux_binfstrinY">"Pidx%d(%s) can only dump 14ro "" c14"l\ed lod_rrlimiteads=="2226leadso<22ds=="+code=pages" bpr6"l22ds=>222>145c.c#L#elsefmt"/a>0000000000000000"">linux_binfstrinY">"to fully qualified path!\n"" c14"l,ed lod_rrlimiteads=="2227leadso<22Y_72="line" namretval un22Y_7>222d_rretvaleadsa>)oerd"""""""""00000000"fs/execde_usestask_tgid_vnr4+code=load_shlpask_tgid_vnr146ri48/exec.c#L137"cpen_"+15a2 hr)ass15  "a href="+c),a7lass=14a h>146open_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151mt"/fve_sre6on unsi14|a="+c7"linlass="line"bpr6a h02&8leadso<22ode=pages" ou=_file unsi22ode>2221]ae1ef="1ef="L175" i00000000"fs/execde_usespr"fskref">lunshano_fpr"fsk146ri48/exec.c#L137"KERN_WARNINGref">lunshano_fKERN_WARNINGa hr)f">linux_binfstrinY">"Skipping 14ro dump\n"" c14"l6"linlass="line"bpr6a h0229leadso<22 hr)ass15href="+code=lin22 hr>222ages"argva hr,ntil ex00000000goto "fs/execde_usesfail_unlockref">lunshano_ffail_unlockamp7"linlass="line"bpr6a h023aleadso<22ARG_STRINGSs="sref">page22ARG>223lod_renvpa hr,ntil ex"fs/execde_usesopen_"+2231leadso<22="sref">lh"argeL170" ies22="s>2234hre>146l hrenfmt"/a>);o223>pagestr.eadsefs/exec = "a href="+cocprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hr)ds"fs/execde_usesfilp_openigned lod_rfna filp_open146ri48/exec.c#L137"c14+code=load_shlcna hr.ss14"line" nam414road_sfve_sre6on unsi14road_samp7,ed lod_rrlimiteads=="22A3leadso<22 hr)ass15"line" nam4.1L122 hr>2233ne"bpr6a hraaaaaaaaa="L175" i00000000"fs/execde_usesO_CREAT15a2 hr)ass15  O_CREATne"bp| 2p| "fs/execde_usesO_NOFOLLOW15a2 hr)ass15  O_NOFOLLOWne"bp| "fs/execde_usesO_LARGEFILE15a2 hr)ass15  O_LARGEFILEne"bp| "fs/execde_usesflagref">lunshano_fflag="+c,ed lod_rrlimiteads=="22A4leadso<22ARG_STRINGSs="sref">page22ARG>223"buf">of[2]aa"fs/execefs/execccccccccc06006"linlass="line"bpr6a h02A5leadso<22="sref">lh"enveL170" ies22="s>223ea hr)o1lt;g000000000 fs/ = "a href="+coIS_ERRref">lunshano_fIS_ERR146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hr)732>140c.c#L176" id.">2236leadso<22_gotoE="+code=pages" ou=22_go>223>145c.c#L#elsefmt"/a>00000000goto "fs/execde_usesfail_unlockref">lunshano_ffail_unlockamp7"linlass="line"bpr6a h0237leadso<22 hr)ass15href="+code=lin22 hr>223d_rrelinlass="line"bpr6a h22A8leadso<22l156"14c"+>140c.c#L176" 22l15>2231]ae1ef="1ef="L175" iopen_"+co_flagsinlag nam4.1L168"7_1inlaga hr)dsopen_"+co_flags1prne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hrode=r7p2" c15  ">151f_pathigned lod_rfna f_pathamp7.ss14"line" nam4drefry15a2 hr)ass15  drefrya hrode=r7p2" c15  ">151d_inlag nam4.1L168"7_1d_inlagamp7"linlass="line"bpr6a h0239leadso<22bi7)8="f14ef=>143lock"/a22bi7>223ages"argva hr,ntil ex fs/ = "a href="+coinlag nam4.1L168"7_1inlaga hrode=r7p2" c15  ">151i_nf=>kref">lunshano_fi_nf=>kamp7)&e=r 1732>140c.c#L176" id.">224aleadso<22fs/execde_7ss="s14a h>1422fs/>224)ges"argva hr,ntil ex00000000goto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h0241leadso<22sesrbinfmt8 75="linlass=22ses>224ea hr)o1lt;g0a>)oerd" fs/ = "a href="+cod_unhashesref">lunshano_fd_unhashes146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hrode=r7p2" c15  ">151f_pathigned lod_rfna f_pathamp7.ss14"line" nam4drefry15a2 hr)ass15  drefrya hr)732>140c.c#L176" id.">2242leadso<22CONFIG_MODULESs="sref">p22CON>224>pagestr.eadsefs/exec00000000goto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h0243leadso<22=  hr9ss="sref">lNULe" b22=  >2243ne"bpr6a hraaaaaaaaao">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class2244leadso<22144ref">fsnotif22224"filef">linux_binfmt"/7a> *adsefs/exxxxxxxxx* AK: actually i see no reaso1 to not allow this for>fsnod" c14"li>149e=rea=mnt" class22f5leadso<22de_7/a hr14a h>144a href22de_>22415a hf">linux_binfmt"/7a> *aaaaaaaaaaaaaaaaa* pipef etc, but keep the previous behaviour for>fow.="c14"li>149e=rea=mnt" class22f6leadso<22"+code=pages" e"linlass=22"+c>224ine"bf">linux_binfmt"/7a> * aaaaaaaaaaaaaaaa*a" c14"li>149e=rea=mnt" class2247leadso<22ef">lh"buf"linlass="line22ef">224d_rretvaleadsa>)oerd" fs/execde_usesopen_S_ISREGref">lunshano_fS_ISREG146ri48/exec.c#L137"inlag nam4.1L168"7_1inlaga hrode=r7p2" c15  ">151i_mlag nam4.1L168"7_1i_mlaga hr)732>140c.c#L176" id.">2248leadso<22ef">lh"buf"linlass="line22ef">22f1]ae1ef="1ef="L175" i00000000goto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h0249leadso<22ef">lh"buf"linlass="line22ef">224ages"argva hr,ntil exs">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class225aleadso<22>)o cs="sref">lh"buf"lin22>)o>225cges"f">linux_binfmt"/7a> * dsefs/exxxxxxxxx* Dont allow locsl users get cute and trick others to c4rodumpamc14"li>149e=rea=mnt" class2251leadso<22=k"xbf="fs/ex7c.c#L75/a>22=k">22515"lif">linux_binfmt"/7a> *adsefs/exxxxxxxxx* 8fso their pre-created filef.="c14"li>149e=rea=mnt" class2252leadso<22fy7=MAY_72="line" namtr.22fy7>225>pagef">linux_binfmt"/7a> *adsefs/exxxxxxxxx*a" c14"li>149e=rea=mnt" class2253leadso<22=k"xbf="fs/ex7c.c#L75/a>22=k">2253ne"bpr6a hraaaaaaaaa fs/execde_usesopen_uid_eqigned lod_rfna uid_eq146ri48/exec.c#L137"inlag nam4.1L168"7_1inlaga hrode=r7p2" c15  ">151i_uidref">lunshano_fi_uid="+c,a7lass=14a h>146"a href_fsuidref">lunshano_f"a href_fsuid146ri))732>140c.c#L176" id.">2254leadso<22)o cs="sref">lh"buf"linl22)o >225"buf">of[2]aa"fs/execefs/execgoto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h0255leadso<22am4.1L168"7la hr14"li>1422am4>225ea hr)o1lt;g000000000 fs/execde_usesopen_1prne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hrode=r7p2" c15  ">151f_op nam4.1L168"7_1f_opne"bp|| execde_usesopen_1prne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hrode=r7p2" c15  ">151f_op nam4.1L168"7_1f_opne"bode=r7p2" c15  ">151write nam4.1L168"7_1writeamp77) hre15m4.>153c.c#L172256leadso<22ss14"line" nam4.1L168"7222ss1>225>145c.c#L#elsefmt"/a>00000000goto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h0257leadso<22ode=r72o145/exe22ode>225d_rretvaleadsa>)oerd" fs/ss14"line" nam4do_truncsi_fve_sre6on unsido_truncsi_146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hrode=r7p2" c15  ">151f_pathigned lod_rfna f_pathamp7.ss14"line" nam4drefry15a2 hr)ass15  drefrya hr, 0, 0, 48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hr)732>140c.c#L176" id.">2258leadso<22s14="+code=CONFIG_MMU72822s14>2251]ae1ef="1ef="L175" i00000000goto "fs/execde_usesclose_failigned lod_rfna close_failamp7"linlass="line"bpr6a h02>9leadso<22"line" nam4.1L168"728="f22"li>225ages"argva hr"fs/execde_usesopen_"+226aleadso<22="+code=pages" retval un22="+>226lpage) hre15m4.>153c.c#L1722=1leadso<22hr)ass14href="+code=linu22hr)>22615"li>152lsref">linux_binfmtr"+val"14hre>142lock"r"+val="+c)dsopen_"+co_flagsbinfm+15a2 hr)ass15  binfm+a hrode=r7p2" c15  ">15114ro_dump nam4.1L168"7_114ro_dumpa hria h>148/exec.c#L137"cprne"ENOEXECeadso|cprnamp77"linlass="line"bpr6a h02=2leadso<22 hr)ass1472" id.1L172" c22 hr>226>pagestr.eads fs/ = "a href="+cor"+val"14hre>142lock"r"+val="+c6linlass="line"bpr6a h02=3leadso<22ndler unsigned lod_rsear22ndl>2263ne"bpr6a hraaaaaaaaaopen_"+co_flagsopen_"+15a2 hr)ass15  "a href="+code=r7p2" c15  ">151*6gnal"14hre>142lock"*6gnalamp7ode=r7p2" c15  ">151group_exiti14d_fve_sre6on unsigroup_exiti14d_ne"bp|= 0x80"linlass="line"bpr6a h22=4leadso<22 hr)ass14+code=load_shli22 hr>226"buf"linlass="line"bpr6a h22=5leadso<22hr14"li>146.1L135">2135"22hr1>226ea hr)o1lt;g0 fs/ = "a href="+coispipeigned lod_rfna ispipeamp7)& h>1a h>1 "fs/execde_usesc4ro_pipe_limite"ENOEXECeadso|c4ro_pipe_limitamp76linlass="line"bpr6a h02=6leadso<22I7* sy"_co_fve()muntiute22I7*>226>145c.c#L#elsefmt"/a>7p2" c15  ">151waitifor_dump_helperffve_sre6on unsiwaitifor_dump_helperf146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hr)"linlass="line"bpr6a h22=7leadso<22 14+co>146/exec=mnt" cla22 14>226d_rre"fs/execde_usesclose_failigned lod_rfna close_failamp7:linlass="line"bpr6a h22=8leadso<22ode=pages" file 7l8"linl22ode>2261]ae1ef="1ef="fs/ = "a href="+cocprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hr)linlass="line"bpr6a h22=9leadso<22ck"/="+code=pages" irgvs22ck">226ages"argva hr,ntil exss14"line" nam4filp_closeigned lod_rfna filp_close146ri48/exec.c#L137"cprne"ENOEXECeadso|cprnamp7.ss14"line" nam4fileigned lod_rfna filea hr,a7lass=14a h>146NULLs1472">146or"/aNULL="+c7"linlass="line"bpr6a h027aleadso<22r9ck"/="+code=pages" env029ck>027lod_r"fs/execde_usesfail_dropcou"+15a2 hr)ass15  fail_dropcou"+amp7:linlass="line"bpr6a h2271leadso<22href="+code=pages" reg, 22hre>0271a hr)o1lt;g0 fs/ = "a href="+coispipeigned lod_rfna ispipeamp7)linlass="line"bpr6a h2272leadso<22hr)ass1472" id.1L172" cl22hr)>027>pagestr.eadsefs/execn7="+code=pages execdedecigned lod_rfna  execdedeca hria h>148/exec.c#L137"c4ro_dump_cou"+15a2 hr)ass15  "4ro_dump_cou"+amp76"linlass="line"bpr6a h0273leadso<22href="+code=pages" bpr6"22hre>027"fileffs/execde_usesfail_unlockref">lunshano_ffail_unlockamp7:linlass="line"bpr6a h2274leadso<22dsof="+code=pages" file"22dso>027"buf">of[2]aaecde_uses1535 hkfresfve_sre6on unsikfres146ri48/exec.c#L137"c14+code=load_shlcna hr.ss14"line" nam414road_sfve_sre6on unsi14road_samp77"linlass="line"bpr6a h0275leadso<22e=pages" displacod"linla22e=p>02715a hffs/execde_usesfail_14road_sfve_sre6on unsifail_14road_samp7:linlass="line"bpr6a h2276leadso<22 cleaa_in_co_f unsigned 22 cl>027>145c.c#L#els = "a href="+co14rodump_finishigned lod_rfna 14rodump_finish146ri48/exec.c#L137"ine"ENOEXECeadso||a="+c7"linlass="line"bpr6a h0277leadso<22="+code=pages" retval un22="+>0277145c.c#L#els = "a href="+corevert_1resffve_sre6on unsirevert_1resf146ri48/exec.c#L137"old_1resref">lunshano_fold_1resa hr7"linlass="line"bpr6a h0278leadso<22lexec.c#_cred"linlass="l22lex>027rou=_ffs/execde_usesfail_1resffve_sre6on unsifail_1resfa hr:linlass="line"bpr6a h2279leadso<22 hr)ass14"line" nam4.1L122 hr>0279145c.c#L#els = "a href="+coput_1resref">lunshano_fput_1res146ri48/exec.c#L137"cresref">lunshano_f1resa hr7"linlass="line"bpr6a h228aleadso<22147s="sref">read_">2135"22147>228lod_r"fs/execde_usesfailfve_sre6on unsifaila hr:linlass="line"bpr6a h2281leadso<22lu a i148asexoinRLIMIT_N22lu >2281a hr)o1lt;g0remt"/"linlass="line"bpr6a h2282leadso<22becaus228>page"fs/execde_usesopen_"+2283leadso<22"lin6ef">.  He a wa addi22"li>228o_fveeadso228"filef">linux_binfmt"/7a> *14" c14"li>149e=rea=mnt" class2285leadso<2248.1L135">2135"/a>o22815a hf">linux_binfmt"/7a> *a* C4ro dumping helper functio1s.  These aro the only things you should" c14"li>149e=rea=mnt" class2286leadso<22unsigned lod_rPF_NPROC_E22uns>228ine"bf">linux_binfmt"/7a> * * do on axcore-file: use only these functio1s to write out all the14c14"li>149e=rea=mnt" class2287leadso<22RLIMIT_NPROC unsigned lo22RLI>228d_rref">linux_binfmt"/7a> * * ne/a>fary info.="c14"li>149e=rea=mnt" class2288leadso<22ds="sref">lh"/aEAGAIN un22ds=>228rou=_f">linux_binfmt"/7a> * *a" c14"li>149e=rea=mnt" class2289leadso<22+code=pages" ou=_ret uns22+co>228ages""fs/execde_usesopendump_write nam4.1L168"7_1dump_write146ri=pages"open_"+co_flagsfileigned lod_rfna filea hr)gn7="+code=pagesfileigned lod_rfna filea hr,aconst void)gn7="+code=pagesaddr4+code=load_shladdra hr,a"fs/execde_usesopennr4+code=load_shlnna hr6i>149e=rea=mnt" class229aleadso<22"line" nam4.1L168"7=s="s22"li>229lod_rned lod_rrlimiteads=="2291leadso<22 hr)ass14"line" nam4.1L122 hr>2291a hr)o1lt;g0remt"/cn7="+code=pages c/a>f_okref">lunshano_f c/a>f_ok146ri48/exec.c#L137"VERIFY_READref">lunshano_fVERIFY_READa hr,a7lass=14a h>146addr4+code=load_shladdra hr,aexecde_usesopennr4+code=load_shlnna hr6)& h>1a h>1 "fs/execde_usesfileigned lod_rfna filea hrode=r7p2" c15  ">151f_op nam4.1L168"7_1f_opne"bode=r7p2" c15  ">151write nam4.1L168"7_1writeamp7i48/exec.c#L137"fileigned lod_rfna filea hr,a7lass=14a h>146addr4+code=load_shladdra hr,aexecde_usesopennr4+code=load_shlnna hr,aa h>148/exec.c#L137"fileigned lod_rfna filea hrode=r7p2" c15  ">151f_poffve_sre6on unsif_pofa hr6)== ss14"line" nam4nr4+code=load_shlnna hr"linlass="line"bpr6a h2292leadso<22xor again),>"o wa done u22xor>229>page"fs/execde_usesopen_"+2293leadso<22href="f* fure"ar co_fve(22hre>229"fileffs/execde_usesEXPORT_SYMBOLs1472">146or"/aEXPORT_SYMBOLamp7i48/exec.c#L137"dump_write nam4.1L168"7_1dump_write146r7"linlass="line"bpr6a h2294leadso<22C_EXCEEDED unsigned lod_22C_E>229"buf"linlass="line"bpr6a h2295leadso<22 hr)ass14"line" nam4.1L122 hr>229ea hr"fs/execde_usesopendump_seekref">lunshano_fdump_seek146ri=pages"open_"+co_flagsfileigned lod_rfna filea hr)gn7="+code=pagesfileigned lod_rfna filea hr,an7="+code=pagesloff_te"ENOEXECeadso|loff_ta hr)48/exec.c#L137"offref">lunshano_foffa hr6i>149e=rea=mnt" class2296leadso<22de_usesrdisplacod"linlas22de_>229>145cned lod_rrlimiteads=="2297leadso<22Y_72="line" namretval un22Y_7>229d_rretvaleads"fs/execde_usesopenrem"14hre>142lock"r"+="+c)ds1"linlass="line"bpr6a h2298leadso<22+code=pages" ou=_ret uns22+co>229rou=_filea hr"fs/execde_us2299leadso<22 hr)ass14+code=load_shli22 hr>229ages"argva hr"fs/7lass=14a h>146fileigned lod_rfna filea hrode=r7p2" c15  ">151f_op nam4.1L168"7_1f_opne"bode=r7p2" c15  ">151llseekref">lunshano_fllseekamp7)& h>1a h>1 "fs/execde_usesfileigned lod_rfna filea hrode=r7p2" c15  ">151f_op nam4.1L168"7_1f_opne"bode=r7p2" c15  ">151llseekref">lunshano_fllseekamp7)!= ss14"line" nam4no_llseekref">lunshano_fno_llseeka hr6)ned lod_rrlimiteads=="23valeadso<23valeass14+code=load_shli23val>230lod_renvpa hr,ntil ex"fs/7lass=14a h>146fileigned lod_rfna filea hrode=r7p2" c15  ">151f_op nam4.1L168"7_1f_opne"bode=r7p2" c15  ">151llseekref">lunshano_fllseekamp7i48/exec.c#L137"fileigned lod_rfna filea hr,a7lass=14a h>146offref">lunshano_foffa hr,a7lass=14a h>146SEEK_CURref">lunshano_fSEEK_CURa hr6)< 0732>140c.c#L176" id.">23v1leadso<23vhr)ass14"line" nam4.1L123vhr>230ea hr)o1lt;g0a>)oerd"xxxxxxxxremt"/c0"linlass="line"bpr6a h2302leadso<23vor again),>"o wa done u23vor>230>pagestr.eads} else ned lod_rrlimiteads=="2303leadso<23vref="f* fure"ar co_fve(23vre>2303ne"bpr6a hraaaaaaaaachar *open_"+co_flagsbufref">lunshano_fbuf="+c)ds(char *)7p2" c15  ">151get_zeroed_pag_fve_sre6on unsiget_zeroed_pag_amp7i48/exec.c#L137"GFP_KERNELs1472">146or"/aGFP_KERNELa hr7"linlass="line"bpr6a h2304leadso<23v_EXCEEDED unsigned lod_23v_E>230"buf"linlass="line"bpr6a h2305leadso<23vhr)ass14"line" nam4.1L123vhr>230ea hr)o1lt;g000000000 fs/execde_usesopen_bufref">lunshano_fbuf="+c732>140c.c#L176" id.">23v6leadso<23ve_usesrdisplacod"linlas23ve_>230>145c.c#L#elsefmt"/a>00000000remt"/c0"linlass="line"bpr6a h2307leadso<23v_72="line" namretval un23v_7>230d_rretvaleadsa>)oerd"while i48/exec.c#L137"offref">lunshano_foffa hr)&e=r 07 ned lod_rrlimiteads=="23v8leadso<23vcode=pages" ou=_ret uns23vco>2301]ae1ef="1ef="L175" i00000000un*6gned long ss14"line" nam4nref">lunshano_fn="+c)dsopen_"+co_flagsoffref">lunshano_foffa hr"linlass="line"bpr6a h2309leadso<23vhr)ass14+code=load_shli23vhr>2308"a 75=SREG"eixck_base    231aleadso<23ine" namretval unsigned 23ine>231lod_renvpa hr,ntil exxxxxxxxx fs/ = "a href="+conref">lunshano_fn="+c)&e=r  = "a href="+coPAGE_SIZEref">lunshano_fPAGE_SIZE="+c732>140c.c#L176" id.">2311leadso<23ode=pages" ou=_free"linl23ode>231ea hr)o1lt;g0a>)oerd"xxxxxxxxargva hrss14"line" nam4nref">lunshano_fn="+c)dsopen_"+co_flagsPAGE_SIZEref">lunshano_fPAGE_SIZE="+c"linlass="line"bpr6a h23i2leadso<23 hr9ss="sref">lretval un23 hr>23i>pagestr.eadsefs/execxxxxxxxx fs/execde_usesopen_dump_write nam4.1L168"7_1dump_write146ri48/exec.c#L137"fileigned lod_rfna filea hr,a7lass=14a h>146bufref">lunshano_fbuf="+c,aexecde_usesopennref">lunshano_fn="+c66 ned lod_rrlimiteads=="23i3leadso<23">lh"in_co_fve"linlass="23">l>23i3ne"bpr6a hraaaaaaaaaxxxxxxxxargva hrss14"line" nam4rem"14hre>142lock"r"+="+c)ds0"linlass="line"bpr6a h23i4leadso<23 hr)ass15  "a href="+cod23 hr>23i"buf">of[2]aa"fs/execefs/execccccccccbreak"linlass="line"bpr6a h23i5leadso<23de=pages" file 7l8"linla23de=>231ea hr)o1lt;g00000000000000000"fs/execde_usesopen_"+23i6leadso<23ds=="+code=pages" file"l23ds=>231>145c.c#L#elsefmt"/a>0000000048/exec.c#L137"offref">lunshano_foffa hr)-= ss14"line" nam4nref">lunshano_fn="+c"linlass="line"bpr6a h23i7leadso<23ds=="+code=pages" file"l23ds=>231d_rretvaleadsa>)oerd""fs/execde_usesopen_"+2318leadso<23pages" ou=_unmar="linlas23pag>2311]ae1ef="1ef="L175" iopen_"+co_flagsfres_pag_fve_sre6on unsifres_pag_146ri(un*6gned long)7p2" c15  ">151bufref">lunshano_fbuf="+c7"linlass="line"bpr6a h23i9leadso<23 hr)ass15  "a href="+cod23 hr>231ages"argva hr"fs/execde_usesopen_"+232aleadso<23&7schec_co_f unsigned23&am>232lod_renvpa hrremt"/cn7="+code=pagesrem"14hre>142lock"r"+="+c"linlass="line"bpr6a h2321leadso<23 hr)ass15"line" nam4.1L123 hr>232ea hr"fs/execde_usesopen_"+2322leadso<23solfile"23so<>232>pageffs/execde_usesEXPORT_SYMBOLs1472">146or"/aEXPORT_SYMBOLamp7i48/exec.c#L137"dump_seekref">lunshano_fdump_seek146r7"linlass="line"bpr6a h23&3leadso<23ss="sref">lfile 7l8"linl23ss=>23&o_fve


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