#ifndef _LINUX_POISON_H #define _LINUX_POISON_H /********** include/linux/list.h **********/ /* * Architectures might want to move the poison pointer offset * into some well-recognized area such as 0xdead000000000000, * that is also not mappable by user-space exploits: */ #ifdef CONFIG_ILLEGAL_POINTER_VALUE # define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL) #else # define POISON_POINTER_DELTA 0 #endif /* * 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 *) 0x100 + POISON_POINTER_DELTA) #define LIST_POISON2 ((void *) 0x200 + POISON_POINTER_DELTA) /********** include/linux/timer.h **********/ /* * Magic number "tsta" to indicate a static timer initializer * for the object debugging code. */ #define TIMER_ENTRY_STATIC ((void *) 0x300 + POISON_POINTER_DELTA) /********** mm/debug-pagealloc.c **********/ #ifdef CONFIG_PAGE_POISONING_ZERO #define PAGE_POISON 0x00 #else #define PAGE_POISON 0xaa #endif /********** mm/page_alloc.c ************/ #define TAIL_MAPPING ((void *) 0x400 + POISON_POINTER_DELTA) /********** 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 0x09F911029D74E35BULL /* when obj is inactive */ #define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ #define SLUB_RED_INACTIVE 0xbb #define SLUB_RED_ACTIVE 0xcc /* ...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 #define JBD2_POISON_FREE 0x5c /********** 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 /********** kernel/mutexes **********/ #define MUTEX_DEBUG_INIT 0x11 #define MUTEX_DEBUG_FREE 0x22 /********** lib/flex_array.c **********/ #define FLEX_ARRAY_FREE 0x6c /* for use-after-free poisoning */ /********** security/ **********/ #define KEY_DESTROY 0xbd #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| randy dunlap | randy dunlap | 88 | 57.52% | 4 | 26.67% |
| avi kivity | avi kivity | 16 | 10.46% | 1 | 6.67% |
| laura abbott | laura abbott | 11 | 7.19% | 1 | 6.67% |
| christoph lameter | christoph lameter | 8 | 5.23% | 1 | 6.67% |
| david rientjes | david rientjes | 6 | 3.92% | 1 | 6.67% |
| akinobu mita | akinobu mita | 5 | 3.27% | 1 | 6.67% |
| thomas gleixner | thomas gleixner | 5 | 3.27% | 1 | 6.67% |
| mingming cao | mingming cao | 4 | 2.61% | 1 | 6.67% |
| vasiliy kulikov | vasiliy kulikov | 4 | 2.61% | 2 | 13.33% |
| kirill a. shutemov | kirill a. shutemov | 4 | 2.61% | 1 | 6.67% |
| david woodhouse | david woodhouse | 2 | 1.31% | 1 | 6.67% |
| Total | 153 | 100.00% | 15 | 100.00% |