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