Commit | Line | Data |
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c9cf5528 RD |
1 | #ifndef _LINUX_POISON_H |
2 | #define _LINUX_POISON_H | |
3 | ||
4 | /********** include/linux/list.h **********/ | |
5 | /* | |
6 | * These are non-NULL pointers that will result in page faults | |
7 | * under normal circumstances, used to verify that nobody uses | |
8 | * non-initialized list entries. | |
9 | */ | |
10 | #define LIST_POISON1 ((void *) 0x00100100) | |
11 | #define LIST_POISON2 ((void *) 0x00200200) | |
12 | ||
13 | /********** mm/slab.c **********/ | |
14 | /* | |
15 | * Magic nums for obj red zoning. | |
16 | * Placed in the first word before and the first word after an obj. | |
17 | */ | |
18 | #define RED_INACTIVE 0x5A2CF071UL /* when obj is inactive */ | |
19 | #define RED_ACTIVE 0x170FC2A5UL /* when obj is active */ | |
20 | ||
21 | /* ...and for poisoning */ | |
22 | #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ | |
23 | #define POISON_FREE 0x6b /* for use-after-free poisoning */ | |
24 | #define POISON_END 0xa5 /* end-byte of poisoning */ | |
25 | ||
26 | /********** arch/$ARCH/mm/init.c **********/ | |
27 | #define POISON_FREE_INITMEM 0xcc | |
28 | ||
29 | /********** arch/x86_64/mm/init.c **********/ | |
30 | #define POISON_FREE_INITDATA 0xba | |
31 | ||
32 | /********** arch/ia64/hp/common/sba_iommu.c **********/ | |
33 | /* | |
34 | * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a | |
35 | * value of "SBAIOMMU POISON\0" for spill-over poisoning. | |
36 | */ | |
37 | ||
38 | /********** fs/jbd/journal.c **********/ | |
39 | #define JBD_POISON_FREE 0x5b | |
40 | ||
41 | /********** drivers/base/dmapool.c **********/ | |
42 | #define POOL_POISON_FREED 0xa7 /* !inuse */ | |
43 | #define POOL_POISON_ALLOCATED 0xa9 /* !initted */ | |
44 | ||
b3c681e0 RD |
45 | /********** drivers/atm/ **********/ |
46 | #define ATM_POISON_FREE 0x12 | |
47 | ||
a7807a32 RD |
48 | /********** kernel/mutexes **********/ |
49 | #define MUTEX_DEBUG_INIT 0x11 | |
50 | #define MUTEX_DEBUG_FREE 0x22 | |
51 | ||
52 | /********** security/ **********/ | |
53 | #define KEY_DESTROY 0xbd | |
54 | ||
b3c681e0 RD |
55 | /********** sound/oss/ **********/ |
56 | #define OSS_POISON_FREE 0xAB | |
57 | ||
c9cf5528 | 58 | #endif |