]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/linux/poison.h
Merge branch 'for-2.6.22' of git://git.kernel.dk/data/git/linux-2.6-block
[mirror_ubuntu-artful-kernel.git] / include / linux / poison.h
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 0x09F911029D74E35BULL /* when obj is inactive */
19 #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */
20
21 #define SLUB_RED_INACTIVE 0xbb
22 #define SLUB_RED_ACTIVE 0xcc
23
24 /* ...and for poisoning */
25 #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */
26 #define POISON_FREE 0x6b /* for use-after-free poisoning */
27 #define POISON_END 0xa5 /* end-byte of poisoning */
28
29 /********** arch/$ARCH/mm/init.c **********/
30 #define POISON_FREE_INITMEM 0xcc
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