Subversion Repositories Kolibri OS

Rev

Rev 1964 | Rev 3031 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. #ifndef _LINUX_POISON_H
  2. #define _LINUX_POISON_H
  3.  
  4. /********** include/linux/list.h **********/
  5.  
  6. /*
  7.  * Architectures might want to move the poison pointer offset
  8.  * into some well-recognized area such as 0xdead000000000000,
  9.  * that is also not mappable by user-space exploits:
  10.  */
  11. #ifdef CONFIG_ILLEGAL_POINTER_VALUE
  12. # define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL)
  13. #else
  14. # define POISON_POINTER_DELTA 0
  15. #endif
  16.  
  17. /*
  18.  * These are non-NULL pointers that will result in page faults
  19.  * under normal circumstances, used to verify that nobody uses
  20.  * non-initialized list entries.
  21.  */
  22. #define LIST_POISON1  ((void *) 0x00100100 + POISON_POINTER_DELTA)
  23. #define LIST_POISON2  ((void *) 0x00200200 + POISON_POINTER_DELTA)
  24.  
  25. /********** include/linux/timer.h **********/
  26. /*
  27.  * Magic number "tsta" to indicate a static timer initializer
  28.  * for the object debugging code.
  29.  */
  30. #define TIMER_ENTRY_STATIC      ((void *) 0x74737461)
  31.  
  32. /********** mm/debug-pagealloc.c **********/
  33. #define PAGE_POISON 0xaa
  34.  
  35. /********** mm/slab.c **********/
  36. /*
  37.  * Magic nums for obj red zoning.
  38.  * Placed in the first word before and the first word after an obj.
  39.  */
  40. #define RED_INACTIVE    0x09F911029D74E35BULL   /* when obj is inactive */
  41. #define RED_ACTIVE      0xD84156C5635688C0ULL   /* when obj is active */
  42.  
  43. #ifdef CONFIG_PHYS_ADDR_T_64BIT
  44. #define MEMBLOCK_INACTIVE       0x3a84fb0144c9e71bULL
  45. #else
  46. #define MEMBLOCK_INACTIVE       0x44c9e71bUL
  47. #endif
  48.  
  49. #define SLUB_RED_INACTIVE       0xbb
  50. #define SLUB_RED_ACTIVE         0xcc
  51.  
  52. /* ...and for poisoning */
  53. #define POISON_INUSE    0x5a    /* for use-uninitialised poisoning */
  54. #define POISON_FREE     0x6b    /* for use-after-free poisoning */
  55. #define POISON_END      0xa5    /* end-byte of poisoning */
  56.  
  57. /********** arch/$ARCH/mm/init.c **********/
  58. #define POISON_FREE_INITMEM     0xcc
  59.  
  60. /********** arch/ia64/hp/common/sba_iommu.c **********/
  61. /*
  62.  * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
  63.  * value of "SBAIOMMU POISON\0" for spill-over poisoning.
  64.  */
  65.  
  66. /********** fs/jbd/journal.c **********/
  67. #define JBD_POISON_FREE         0x5b
  68. #define JBD2_POISON_FREE        0x5c
  69.  
  70. /********** drivers/base/dmapool.c **********/
  71. #define POOL_POISON_FREED       0xa7    /* !inuse */
  72. #define POOL_POISON_ALLOCATED   0xa9    /* !initted */
  73.  
  74. /********** drivers/atm/ **********/
  75. #define ATM_POISON_FREE         0x12
  76. #define ATM_POISON              0xdeadbeef
  77.  
  78. /********** net/ **********/
  79. #define NEIGHBOR_DEAD           0xdeadbeef
  80. #define NETFILTER_LINK_POISON   0xdead57ac
  81.  
  82. /********** kernel/mutexes **********/
  83. #define MUTEX_DEBUG_INIT        0x11
  84. #define MUTEX_DEBUG_FREE        0x22
  85.  
  86. /********** lib/flex_array.c **********/
  87. #define FLEX_ARRAY_FREE 0x6c    /* for use-after-free poisoning */
  88.  
  89. /********** security/ **********/
  90. #define KEY_DESTROY             0xbd
  91.  
  92. /********** sound/oss/ **********/
  93. #define OSS_POISON_FREE         0xAB
  94.  
  95. #endif
  96.