#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