| Randy Dunlap | c9cf552 | 2006-06-27 02:53:52 -0700 | [diff] [blame] | 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 | */ |
| David Woodhouse | b46b8f1 | 2007-05-08 00:22:59 -0700 | [diff] [blame] | 18 | #define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ |
| 19 | #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ |
| Randy Dunlap | c9cf552 | 2006-06-27 02:53:52 -0700 | [diff] [blame] | 20 | |
| Christoph Lameter | 81819f0 | 2007-05-06 14:49:36 -0700 | [diff] [blame] | 21 | #define SLUB_RED_INACTIVE 0xbb |
| 22 | #define SLUB_RED_ACTIVE 0xcc |
| 23 | |
| Randy Dunlap | c9cf552 | 2006-06-27 02:53:52 -0700 | [diff] [blame] | 24 | /* ...and for poisoning */ |
| 25 | #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ |
| 26 | #define POISON_FREE 0x6b /* for use-after-free poisoning */ |
| 27 | #define POISON_END 0xa5 /* end-byte of poisoning */ |
| 28 | |
| 29 | /********** arch/$ARCH/mm/init.c **********/ |
| 30 | #define POISON_FREE_INITMEM 0xcc |
| 31 | |
| Randy Dunlap | c9cf552 | 2006-06-27 02:53:52 -0700 | [diff] [blame] | 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 | |
| Randy Dunlap | b3c681e | 2006-06-27 02:53:53 -0700 | [diff] [blame] | 45 | /********** drivers/atm/ **********/ |
| 46 | #define ATM_POISON_FREE 0x12 |
| Randy Dunlap | 3c6b377 | 2006-07-03 19:48:25 -0700 | [diff] [blame] | 47 | #define ATM_POISON 0xdeadbeef |
| Randy Dunlap | b3c681e | 2006-06-27 02:53:53 -0700 | [diff] [blame] | 48 | |
| Randy Dunlap | 4bdbf6c | 2006-07-03 19:47:27 -0700 | [diff] [blame] | 49 | /********** net/ **********/ |
| 50 | #define NEIGHBOR_DEAD 0xdeadbeef |
| 51 | #define NETFILTER_LINK_POISON 0xdead57ac |
| 52 | |
| Randy Dunlap | a7807a3 | 2006-06-27 02:53:54 -0700 | [diff] [blame] | 53 | /********** kernel/mutexes **********/ |
| 54 | #define MUTEX_DEBUG_INIT 0x11 |
| 55 | #define MUTEX_DEBUG_FREE 0x22 |
| 56 | |
| 57 | /********** security/ **********/ |
| 58 | #define KEY_DESTROY 0xbd |
| 59 | |
| Randy Dunlap | b3c681e | 2006-06-27 02:53:53 -0700 | [diff] [blame] | 60 | /********** sound/oss/ **********/ |
| 61 | #define OSS_POISON_FREE 0xAB |
| 62 | |
| Randy Dunlap | c9cf552 | 2006-06-27 02:53:52 -0700 | [diff] [blame] | 63 | #endif |