diff options
Diffstat (limited to 'include/linux/poison.h')
-rw-r--r-- | include/linux/poison.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h new file mode 100644 index 00000000000..3e628f990fd --- /dev/null +++ b/include/linux/poison.h | |||
@@ -0,0 +1,63 @@ | |||
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 | |||
45 | /********** drivers/atm/ **********/ | ||
46 | #define ATM_POISON_FREE 0x12 | ||
47 | #define ATM_POISON 0xdeadbeef | ||
48 | |||
49 | /********** net/ **********/ | ||
50 | #define NEIGHBOR_DEAD 0xdeadbeef | ||
51 | #define NETFILTER_LINK_POISON 0xdead57ac | ||
52 | |||
53 | /********** kernel/mutexes **********/ | ||
54 | #define MUTEX_DEBUG_INIT 0x11 | ||
55 | #define MUTEX_DEBUG_FREE 0x22 | ||
56 | |||
57 | /********** security/ **********/ | ||
58 | #define KEY_DESTROY 0xbd | ||
59 | |||
60 | /********** sound/oss/ **********/ | ||
61 | #define OSS_POISON_FREE 0xAB | ||
62 | |||
63 | #endif | ||