1c9cf5528SRandy Dunlap #ifndef _LINUX_POISON_H 2c9cf5528SRandy Dunlap #define _LINUX_POISON_H 3c9cf5528SRandy Dunlap 4c9cf5528SRandy Dunlap /********** include/linux/list.h **********/ 5c9cf5528SRandy Dunlap /* 6c9cf5528SRandy Dunlap * These are non-NULL pointers that will result in page faults 7c9cf5528SRandy Dunlap * under normal circumstances, used to verify that nobody uses 8c9cf5528SRandy Dunlap * non-initialized list entries. 9c9cf5528SRandy Dunlap */ 10c9cf5528SRandy Dunlap #define LIST_POISON1 ((void *) 0x00100100) 11c9cf5528SRandy Dunlap #define LIST_POISON2 ((void *) 0x00200200) 12c9cf5528SRandy Dunlap 13*c6f3a97fSThomas Gleixner /********** include/linux/timer.h **********/ 14*c6f3a97fSThomas Gleixner /* 15*c6f3a97fSThomas Gleixner * Magic number "tsta" to indicate a static timer initializer 16*c6f3a97fSThomas Gleixner * for the object debugging code. 17*c6f3a97fSThomas Gleixner */ 18*c6f3a97fSThomas Gleixner #define TIMER_ENTRY_STATIC ((void *) 0x74737461) 19*c6f3a97fSThomas Gleixner 20c9cf5528SRandy Dunlap /********** mm/slab.c **********/ 21c9cf5528SRandy Dunlap /* 22c9cf5528SRandy Dunlap * Magic nums for obj red zoning. 23c9cf5528SRandy Dunlap * Placed in the first word before and the first word after an obj. 24c9cf5528SRandy Dunlap */ 25b46b8f19SDavid Woodhouse #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ 26b46b8f19SDavid Woodhouse #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ 27c9cf5528SRandy Dunlap 2881819f0fSChristoph Lameter #define SLUB_RED_INACTIVE 0xbb 2981819f0fSChristoph Lameter #define SLUB_RED_ACTIVE 0xcc 3081819f0fSChristoph Lameter 31c9cf5528SRandy Dunlap /* ...and for poisoning */ 32c9cf5528SRandy Dunlap #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ 33c9cf5528SRandy Dunlap #define POISON_FREE 0x6b /* for use-after-free poisoning */ 34c9cf5528SRandy Dunlap #define POISON_END 0xa5 /* end-byte of poisoning */ 35c9cf5528SRandy Dunlap 36c9cf5528SRandy Dunlap /********** arch/$ARCH/mm/init.c **********/ 37c9cf5528SRandy Dunlap #define POISON_FREE_INITMEM 0xcc 38c9cf5528SRandy Dunlap 39c9cf5528SRandy Dunlap /********** arch/ia64/hp/common/sba_iommu.c **********/ 40c9cf5528SRandy Dunlap /* 41c9cf5528SRandy Dunlap * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a 42c9cf5528SRandy Dunlap * value of "SBAIOMMU POISON\0" for spill-over poisoning. 43c9cf5528SRandy Dunlap */ 44c9cf5528SRandy Dunlap 45c9cf5528SRandy Dunlap /********** fs/jbd/journal.c **********/ 46c9cf5528SRandy Dunlap #define JBD_POISON_FREE 0x5b 47cd02ff0bSMingming Cao #define JBD2_POISON_FREE 0x5c 48c9cf5528SRandy Dunlap 49c9cf5528SRandy Dunlap /********** drivers/base/dmapool.c **********/ 50c9cf5528SRandy Dunlap #define POOL_POISON_FREED 0xa7 /* !inuse */ 51c9cf5528SRandy Dunlap #define POOL_POISON_ALLOCATED 0xa9 /* !initted */ 52c9cf5528SRandy Dunlap 53b3c681e0SRandy Dunlap /********** drivers/atm/ **********/ 54b3c681e0SRandy Dunlap #define ATM_POISON_FREE 0x12 553c6b3773SRandy Dunlap #define ATM_POISON 0xdeadbeef 56b3c681e0SRandy Dunlap 574bdbf6c0SRandy Dunlap /********** net/ **********/ 584bdbf6c0SRandy Dunlap #define NEIGHBOR_DEAD 0xdeadbeef 594bdbf6c0SRandy Dunlap #define NETFILTER_LINK_POISON 0xdead57ac 604bdbf6c0SRandy Dunlap 61a7807a32SRandy Dunlap /********** kernel/mutexes **********/ 62a7807a32SRandy Dunlap #define MUTEX_DEBUG_INIT 0x11 63a7807a32SRandy Dunlap #define MUTEX_DEBUG_FREE 0x22 64a7807a32SRandy Dunlap 65a7807a32SRandy Dunlap /********** security/ **********/ 66a7807a32SRandy Dunlap #define KEY_DESTROY 0xbd 67a7807a32SRandy Dunlap 68b3c681e0SRandy Dunlap /********** sound/oss/ **********/ 69b3c681e0SRandy Dunlap #define OSS_POISON_FREE 0xAB 70b3c681e0SRandy Dunlap 71c9cf5528SRandy Dunlap #endif 72