mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
3c6b377321
ATM: add and use POISON define values. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
#ifndef _LINUX_POISON_H
|
|
#define _LINUX_POISON_H
|
|
|
|
/********** include/linux/list.h **********/
|
|
/*
|
|
* These are non-NULL pointers that will result in page faults
|
|
* under normal circumstances, used to verify that nobody uses
|
|
* non-initialized list entries.
|
|
*/
|
|
#define LIST_POISON1 ((void *) 0x00100100)
|
|
#define LIST_POISON2 ((void *) 0x00200200)
|
|
|
|
/********** mm/slab.c **********/
|
|
/*
|
|
* Magic nums for obj red zoning.
|
|
* Placed in the first word before and the first word after an obj.
|
|
*/
|
|
#define RED_INACTIVE 0x5A2CF071UL /* when obj is inactive */
|
|
#define RED_ACTIVE 0x170FC2A5UL /* when obj is active */
|
|
|
|
/* ...and for poisoning */
|
|
#define POISON_INUSE 0x5a /* for use-uninitialised poisoning */
|
|
#define POISON_FREE 0x6b /* for use-after-free poisoning */
|
|
#define POISON_END 0xa5 /* end-byte of poisoning */
|
|
|
|
/********** arch/$ARCH/mm/init.c **********/
|
|
#define POISON_FREE_INITMEM 0xcc
|
|
|
|
/********** arch/x86_64/mm/init.c **********/
|
|
#define POISON_FREE_INITDATA 0xba
|
|
|
|
/********** arch/ia64/hp/common/sba_iommu.c **********/
|
|
/*
|
|
* arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
|
|
* value of "SBAIOMMU POISON\0" for spill-over poisoning.
|
|
*/
|
|
|
|
/********** fs/jbd/journal.c **********/
|
|
#define JBD_POISON_FREE 0x5b
|
|
|
|
/********** drivers/base/dmapool.c **********/
|
|
#define POOL_POISON_FREED 0xa7 /* !inuse */
|
|
#define POOL_POISON_ALLOCATED 0xa9 /* !initted */
|
|
|
|
/********** drivers/atm/ **********/
|
|
#define ATM_POISON_FREE 0x12
|
|
#define ATM_POISON 0xdeadbeef
|
|
|
|
/********** net/ **********/
|
|
#define NEIGHBOR_DEAD 0xdeadbeef
|
|
#define NETFILTER_LINK_POISON 0xdead57ac
|
|
|
|
/********** kernel/mutexes **********/
|
|
#define MUTEX_DEBUG_INIT 0x11
|
|
#define MUTEX_DEBUG_FREE 0x22
|
|
|
|
/********** security/ **********/
|
|
#define KEY_DESTROY 0xbd
|
|
|
|
/********** sound/oss/ **********/
|
|
#define OSS_POISON_FREE 0xAB
|
|
|
|
#endif
|