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 /********** include/linux/timer.h **********/
14 /*
15 * Magic number "tsta" to indicate a static timer initializer
16 * for the object debugging code.
17 */
18 #define TIMER_ENTRY_STATIC ((void *) 0x74737461)
19
20 /********** mm/debug-pagealloc.c **********/
21 #define PAGE_POISON 0xaa
22
23 /********** mm/slab.c **********/
24 /*
25 * Magic nums for obj red zoning.
26 * Placed in the first word before and the first word after an obj.
27 */
28 #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */
29 #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */
30
31 #define SLUB_RED_INACTIVE 0xbb
32 #define SLUB_RED_ACTIVE 0xcc
33
34 /* ...and for poisoning */
35 #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */
36 #define POISON_FREE 0x6b /* for use-after-free poisoning */
37 #define POISON_END 0xa5 /* end-byte of poisoning */
38
39 /********** arch/$ARCH/mm/init.c **********/
40 #define POISON_FREE_INITMEM 0xcc
41
42 /********** arch/ia64/hp/common/sba_iommu.c **********/
43 /*
44 * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
45 * value of "SBAIOMMU POISON\0" for spill-over poisoning.
46 */
47
48 /********** fs/jbd/journal.c **********/
49 #define JBD_POISON_FREE 0x5b
50 #define JBD2_POISON_FREE 0x5c
51
52 /********** drivers/base/dmapool.c **********/
53 #define POOL_POISON_FREED 0xa7 /* !inuse */
54 #define POOL_POISON_ALLOCATED 0xa9 /* !initted */
55
56 /********** drivers/atm/ **********/
57 #define ATM_POISON_FREE 0x12
58 #define ATM_POISON 0xdeadbeef
59
60 /********** net/ **********/
61 #define NEIGHBOR_DEAD 0xdeadbeef
62 #define NETFILTER_LINK_POISON 0xdead57ac
63
64 /********** kernel/mutexes **********/
65 #define MUTEX_DEBUG_INIT 0x11
66 #define MUTEX_DEBUG_FREE 0x22
67
68 /********** security/ **********/
69 #define KEY_DESTROY 0xbd
70
71 /********** sound/oss/ **********/
72 #define OSS_POISON_FREE 0xAB
73
74 #endif
75
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