projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| c9cf5528 RD |
1 | #ifndef _LINUX_POISON_H |
| 2 | #define _LINUX_POISON_H | |
| 3 | ||
| 4 | /********** include/linux/list.h **********/ | |
| a29815a3 AK |
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 | ||
| c9cf5528 RD |
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 | */ | |
| df1da5a5 VK |
22 | #define LIST_POISON1 ((void *) 0x100 + POISON_POINTER_DELTA) |
| 23 | #define LIST_POISON2 ((void *) 0x200 + POISON_POINTER_DELTA) | |
| c9cf5528 | 24 | |
| c6f3a97f TG |
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 | ||
| 6a11f75b AM |
32 | /********** mm/debug-pagealloc.c **********/ |
| 33 | #define PAGE_POISON 0xaa | |
| 34 | ||
| c9cf5528 RD |
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 | */ | |
| b46b8f19 DW |
40 | #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ |
| 41 | #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ | |
| c9cf5528 | 42 | |
| 81819f0f CL |
43 | #define SLUB_RED_INACTIVE 0xbb |
| 44 | #define SLUB_RED_ACTIVE 0xcc | |
| 45 | ||
| c9cf5528 RD |
46 | /* ...and for poisoning */ |
| 47 | #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ | |
| 48 | #define POISON_FREE 0x6b /* for use-after-free poisoning */ | |
| 49 | #define POISON_END 0xa5 /* end-byte of poisoning */ | |
| 50 | ||
| 51 | /********** arch/$ARCH/mm/init.c **********/ | |
| 52 | #define POISON_FREE_INITMEM 0xcc | |
| 53 | ||
| c9cf5528 RD |
54 | /********** arch/ia64/hp/common/sba_iommu.c **********/ |
| 55 | /* | |
| 56 | * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a | |
| 57 | * value of "SBAIOMMU POISON\0" for spill-over poisoning. | |
| 58 | */ | |
| 59 | ||
| 60 | /********** fs/jbd/journal.c **********/ | |
| cd02ff0b MC |
61 | #define JBD_POISON_FREE 0x5b |
| 62 | #define JBD2_POISON_FREE 0x5c | |
| c9cf5528 RD |
63 | |
| 64 | /********** drivers/base/dmapool.c **********/ | |
| 65 | #define POOL_POISON_FREED 0xa7 /* !inuse */ | |
| 66 | #define POOL_POISON_ALLOCATED 0xa9 /* !initted */ | |
| 67 | ||
| b3c681e0 RD |
68 | /********** drivers/atm/ **********/ |
| 69 | #define ATM_POISON_FREE 0x12 | |
| 3c6b3773 | 70 | #define ATM_POISON 0xdeadbeef |
| b3c681e0 | 71 | |
| 4bdbf6c0 RD |
72 | /********** net/ **********/ |
| 73 | #define NEIGHBOR_DEAD 0xdeadbeef | |
| 74 | #define NETFILTER_LINK_POISON 0xdead57ac | |
| 75 | ||
| a7807a32 RD |
76 | /********** kernel/mutexes **********/ |
| 77 | #define MUTEX_DEBUG_INIT 0x11 | |
| 78 | #define MUTEX_DEBUG_FREE 0x22 | |
| 79 | ||
| 19da3dd1 DR |
80 | /********** lib/flex_array.c **********/ |
| 81 | #define FLEX_ARRAY_FREE 0x6c /* for use-after-free poisoning */ | |
| 82 | ||
| a7807a32 RD |
83 | /********** security/ **********/ |
| 84 | #define KEY_DESTROY 0xbd | |
| 85 | ||
| b3c681e0 RD |
86 | /********** sound/oss/ **********/ |
| 87 | #define OSS_POISON_FREE 0xAB | |
| 88 | ||
| c9cf5528 | 89 | #endif |