1#ifndef _LINUX_POISON_H 2#define _LINUX_POISON_H 3 4/********** include/linux/list.h **********/ 5/* 6 * These are non-NULL pointers that will result in page faults 7 * under normal circumstances, used to verify that nobody uses 8 * non-initialized list entries. 9 */ 10#define LIST_POISON1 ((void *) 0x00100100) 11#define LIST_POISON2 ((void *) 0x00200200) 12 13/********** mm/slab.c **********/ 14/* 15 * Magic nums for obj red zoning. 16 * Placed in the first word before and the first word after an obj. 17 */ 18#define RED_INACTIVE 0x5A2CF071UL /* when obj is inactive */ 19#define RED_ACTIVE 0x170FC2A5UL /* when obj is active */ 20 21/* ...and for poisoning */ 22#define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ 23#define POISON_FREE 0x6b /* for use-after-free poisoning */ 24#define POISON_END 0xa5 /* end-byte of poisoning */ 25 26/********** arch/$ARCH/mm/init.c **********/ 27#define POISON_FREE_INITMEM 0xcc 28 29/********** arch/x86_64/mm/init.c **********/ 30#define POISON_FREE_INITDATA 0xba 31 32/********** arch/ia64/hp/common/sba_iommu.c **********/ 33/* 34 * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a 35 * value of "SBAIOMMU POISON\0" for spill-over poisoning. 36 */ 37 38/********** fs/jbd/journal.c **********/ 39#define JBD_POISON_FREE 0x5b 40 41/********** drivers/base/dmapool.c **********/ 42#define POOL_POISON_FREED 0xa7 /* !inuse */ 43#define POOL_POISON_ALLOCATED 0xa9 /* !initted */ 44 45/********** drivers/atm/ **********/ 46#define ATM_POISON_FREE 0x12 47#define ATM_POISON 0xdeadbeef 48 49/********** net/ **********/ 50#define NEIGHBOR_DEAD 0xdeadbeef 51#define NETFILTER_LINK_POISON 0xdead57ac 52 53/********** kernel/mutexes **********/ 54#define MUTEX_DEBUG_INIT 0x11 55#define MUTEX_DEBUG_FREE 0x22 56 57/********** security/ **********/ 58#define KEY_DESTROY 0xbd 59 60/********** sound/oss/ **********/ 61#define OSS_POISON_FREE 0xAB 62 63#endif 64