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 13c9cf5528SRandy Dunlap /********** mm/slab.c **********/ 14c9cf5528SRandy Dunlap /* 15c9cf5528SRandy Dunlap * Magic nums for obj red zoning. 16c9cf5528SRandy Dunlap * Placed in the first word before and the first word after an obj. 17c9cf5528SRandy Dunlap */ 18b46b8f19SDavid Woodhouse #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ 19b46b8f19SDavid Woodhouse #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ 20c9cf5528SRandy Dunlap 2181819f0fSChristoph Lameter #define SLUB_RED_INACTIVE 0xbb 2281819f0fSChristoph Lameter #define SLUB_RED_ACTIVE 0xcc 2381819f0fSChristoph Lameter 24c9cf5528SRandy Dunlap /* ...and for poisoning */ 25c9cf5528SRandy Dunlap #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ 26c9cf5528SRandy Dunlap #define POISON_FREE 0x6b /* for use-after-free poisoning */ 27c9cf5528SRandy Dunlap #define POISON_END 0xa5 /* end-byte of poisoning */ 28c9cf5528SRandy Dunlap 29c9cf5528SRandy Dunlap /********** arch/$ARCH/mm/init.c **********/ 30c9cf5528SRandy Dunlap #define POISON_FREE_INITMEM 0xcc 31c9cf5528SRandy Dunlap 32c9cf5528SRandy Dunlap /********** arch/ia64/hp/common/sba_iommu.c **********/ 33c9cf5528SRandy Dunlap /* 34c9cf5528SRandy Dunlap * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a 35c9cf5528SRandy Dunlap * value of "SBAIOMMU POISON\0" for spill-over poisoning. 36c9cf5528SRandy Dunlap */ 37c9cf5528SRandy Dunlap 38c9cf5528SRandy Dunlap /********** fs/jbd/journal.c **********/ 39c9cf5528SRandy Dunlap #define JBD_POISON_FREE 0x5b 40*cd02ff0bSMingming Cao #define JBD2_POISON_FREE 0x5c 41c9cf5528SRandy Dunlap 42c9cf5528SRandy Dunlap /********** drivers/base/dmapool.c **********/ 43c9cf5528SRandy Dunlap #define POOL_POISON_FREED 0xa7 /* !inuse */ 44c9cf5528SRandy Dunlap #define POOL_POISON_ALLOCATED 0xa9 /* !initted */ 45c9cf5528SRandy Dunlap 46b3c681e0SRandy Dunlap /********** drivers/atm/ **********/ 47b3c681e0SRandy Dunlap #define ATM_POISON_FREE 0x12 483c6b3773SRandy Dunlap #define ATM_POISON 0xdeadbeef 49b3c681e0SRandy Dunlap 504bdbf6c0SRandy Dunlap /********** net/ **********/ 514bdbf6c0SRandy Dunlap #define NEIGHBOR_DEAD 0xdeadbeef 524bdbf6c0SRandy Dunlap #define NETFILTER_LINK_POISON 0xdead57ac 534bdbf6c0SRandy Dunlap 54a7807a32SRandy Dunlap /********** kernel/mutexes **********/ 55a7807a32SRandy Dunlap #define MUTEX_DEBUG_INIT 0x11 56a7807a32SRandy Dunlap #define MUTEX_DEBUG_FREE 0x22 57a7807a32SRandy Dunlap 58a7807a32SRandy Dunlap /********** security/ **********/ 59a7807a32SRandy Dunlap #define KEY_DESTROY 0xbd 60a7807a32SRandy Dunlap 61b3c681e0SRandy Dunlap /********** sound/oss/ **********/ 62b3c681e0SRandy Dunlap #define OSS_POISON_FREE 0xAB 63b3c681e0SRandy Dunlap 64c9cf5528SRandy Dunlap #endif 65