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 /********** include/linux/timer.h **********/ 14 /* 15 * Magic number "tsta" to indicate a static timer initializer 16 * for the object debugging code. 17 */ 18 #define TIMER_ENTRY_STATIC ((void *) 0x74737461) 19 20 /********** mm/debug-pagealloc.c **********/ 21 #define PAGE_POISON 0xaa 22 23 /********** mm/slab.c **********/ 24 /* 25 * Magic nums for obj red zoning. 26 * Placed in the first word before and the first word after an obj. 27 */ 28 #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ 29 #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ 30 31 #define SLUB_RED_INACTIVE 0xbb 32 #define SLUB_RED_ACTIVE 0xcc 33 34 /* ...and for poisoning */ 35 #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ 36 #define POISON_FREE 0x6b /* for use-after-free poisoning */ 37 #define POISON_END 0xa5 /* end-byte of poisoning */ 38 39 /********** arch/$ARCH/mm/init.c **********/ 40 #define POISON_FREE_INITMEM 0xcc 41 42 /********** arch/ia64/hp/common/sba_iommu.c **********/ 43 /* 44 * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a 45 * value of "SBAIOMMU POISON\0" for spill-over poisoning. 46 */ 47 48 /********** fs/jbd/journal.c **********/ 49 #define JBD_POISON_FREE 0x5b 50 #define JBD2_POISON_FREE 0x5c 51 52 /********** drivers/base/dmapool.c **********/ 53 #define POOL_POISON_FREED 0xa7 /* !inuse */ 54 #define POOL_POISON_ALLOCATED 0xa9 /* !initted */ 55 56 /********** drivers/atm/ **********/ 57 #define ATM_POISON_FREE 0x12 58 #define ATM_POISON 0xdeadbeef 59 60 /********** net/ **********/ 61 #define NEIGHBOR_DEAD 0xdeadbeef 62 #define NETFILTER_LINK_POISON 0xdead57ac 63 64 /********** kernel/mutexes **********/ 65 #define MUTEX_DEBUG_INIT 0x11 66 #define MUTEX_DEBUG_FREE 0x22 67 68 /********** security/ **********/ 69 #define KEY_DESTROY 0xbd 70 71 /********** sound/oss/ **********/ 72 #define OSS_POISON_FREE 0xAB 73 74 #endif 75