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 0x09F911029D74E35BULL /* when obj is inactive */ 19 #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ 20 21 #define SLUB_RED_INACTIVE 0xbb 22 #define SLUB_RED_ACTIVE 0xcc 23 24 /* ...and for poisoning */ 25 #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ 26 #define POISON_FREE 0x6b /* for use-after-free poisoning */ 27 #define POISON_END 0xa5 /* end-byte of poisoning */ 28 29 /********** arch/$ARCH/mm/init.c **********/ 30 #define POISON_FREE_INITMEM 0xcc 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