[mirror_ubuntu-artful-kernel.git] / include / linux / poison.h

#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/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
Commit	Line	Data
c9cf5528 RD	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
c9cf5528 RD	29	/******** arch/ia64/hp/common/sba_iommu.c ********/
	30	/*
	31	* arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
	32	* value of "SBAIOMMU POISON\0" for spill-over poisoning.
	33	*/
	34
	35	/******** fs/jbd/journal.c ********/
	36	#define JBD_POISON_FREE 0x5b
	37
	38	/******** drivers/base/dmapool.c ********/
	39	#define POOL_POISON_FREED 0xa7 /* !inuse */
	40	#define POOL_POISON_ALLOCATED 0xa9 /* !initted */
	41
b3c681e0 RD	42	/******** drivers/atm/ ********/
b3c681e0 RD	43	#define ATM_POISON_FREE 0x12
3c6b3773	44	#define ATM_POISON 0xdeadbeef
b3c681e0	45
4bdbf6c0 RD	46	/******** net/ ********/
	47	#define NEIGHBOR_DEAD 0xdeadbeef
	48	#define NETFILTER_LINK_POISON 0xdead57ac
	49
a7807a32 RD	50	/******** kernel/mutexes ********/
	51	#define MUTEX_DEBUG_INIT 0x11
	52	#define MUTEX_DEBUG_FREE 0x22
	53
	54	/******** security/ ********/
	55	#define KEY_DESTROY 0xbd
	56
b3c681e0 RD	57	/******** sound/oss/ ********/
	58	#define OSS_POISON_FREE 0xAB
	59
c9cf5528	60	#endif