poison.h 2.2 KB

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  1. #ifndef _LINUX_POISON_H
  2. #define _LINUX_POISON_H
  3. /********** include/linux/list.h **********/
  4. /*
  5. * These are non-NULL pointers that will result in page faults
  6. * under normal circumstances, used to verify that nobody uses
  7. * non-initialized list entries.
  8. */
  9. #define LIST_POISON1 ((void *) 0x00100100)
  10. #define LIST_POISON2 ((void *) 0x00200200)
  11. /********** include/linux/timer.h **********/
  12. /*
  13. * Magic number "tsta" to indicate a static timer initializer
  14. * for the object debugging code.
  15. */
  16. #define TIMER_ENTRY_STATIC ((void *) 0x74737461)
  17. /********** mm/debug-pagealloc.c **********/
  18. #define PAGE_POISON 0xaa
  19. /********** mm/slab.c **********/
  20. /*
  21. * Magic nums for obj red zoning.
  22. * Placed in the first word before and the first word after an obj.
  23. */
  24. #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */
  25. #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */
  26. #define SLUB_RED_INACTIVE 0xbb
  27. #define SLUB_RED_ACTIVE 0xcc
  28. /* ...and for poisoning */
  29. #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */
  30. #define POISON_FREE 0x6b /* for use-after-free poisoning */
  31. #define POISON_END 0xa5 /* end-byte of poisoning */
  32. /********** arch/$ARCH/mm/init.c **********/
  33. #define POISON_FREE_INITMEM 0xcc
  34. /********** arch/ia64/hp/common/sba_iommu.c **********/
  35. /*
  36. * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
  37. * value of "SBAIOMMU POISON\0" for spill-over poisoning.
  38. */
  39. /********** fs/jbd/journal.c **********/
  40. #define JBD_POISON_FREE 0x5b
  41. #define JBD2_POISON_FREE 0x5c
  42. /********** drivers/base/dmapool.c **********/
  43. #define POOL_POISON_FREED 0xa7 /* !inuse */
  44. #define POOL_POISON_ALLOCATED 0xa9 /* !initted */
  45. /********** drivers/atm/ **********/
  46. #define ATM_POISON_FREE 0x12
  47. #define ATM_POISON 0xdeadbeef
  48. /********** net/ **********/
  49. #define NEIGHBOR_DEAD 0xdeadbeef
  50. #define NETFILTER_LINK_POISON 0xdead57ac
  51. /********** kernel/mutexes **********/
  52. #define MUTEX_DEBUG_INIT 0x11
  53. #define MUTEX_DEBUG_FREE 0x22
  54. /********** lib/flex_array.c **********/
  55. #define FLEX_ARRAY_FREE 0x6c /* for use-after-free poisoning */
  56. /********** security/ **********/
  57. #define KEY_DESTROY 0xbd
  58. /********** sound/oss/ **********/
  59. #define OSS_POISON_FREE 0xAB
  60. #endif