diff options
Diffstat (limited to 'include/linux/poison.h')
| -rw-r--r-- | include/linux/poison.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h new file mode 100644 index 000000000000..3e628f990fdf --- /dev/null +++ b/include/linux/poison.h | |||
| @@ -0,0 +1,63 @@ | |||
| 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 | |||
| 29 | /********** arch/x86_64/mm/init.c **********/ | ||
| 30 | #define POISON_FREE_INITDATA 0xba | ||
| 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 | ||
