diff options
Diffstat (limited to 'include/linux/poison.h')
| -rw-r--r-- | include/linux/poison.h | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index 15927ebc22f2..299e2dd7da6d 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -21,21 +21,13 @@ * non-initialized list entries. */ #define LIST_POISON1 ((void *) 0x100 + POISON_POINTER_DELTA) -#define LIST_POISON2 ((void *) 0x200 + POISON_POINTER_DELTA) +#define LIST_POISON2 ((void *) 0x122 + 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 +/********** mm/page_poison.c **********/ #define PAGE_POISON 0xaa -#endif /********** mm/page_alloc.c ************/ @@ -46,11 +38,8 @@ * 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 +#define SLUB_RED_INACTIVE 0xbb /* when obj is inactive */ +#define SLUB_RED_ACTIVE 0xcc /* when obj is active */ /* ...and for poisoning */ #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ @@ -60,12 +49,6 @@ /********** 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 @@ -83,10 +66,31 @@ #define MUTEX_DEBUG_FREE 0x22 #define MUTEX_POISON_WW_CTX ((void *) 0x500 + POISON_POINTER_DELTA) -/********** lib/flex_array.c **********/ -#define FLEX_ARRAY_FREE 0x6c /* for use-after-free poisoning */ - /********** security/ **********/ #define KEY_DESTROY 0xbd +/********** net/core/page_pool.c **********/ +/* + * page_pool uses additional free bits within this value to store data, see the + * definition of PP_DMA_INDEX_MASK in mm.h + */ +#define PP_SIGNATURE (0x40 + POISON_POINTER_DELTA) + +/********** net/core/skbuff.c **********/ +#define SKB_LIST_POISON_NEXT ((void *)(0x800 + POISON_POINTER_DELTA)) +/********** net/ **********/ +#define NET_PTR_POISON ((void *)(0x801 + POISON_POINTER_DELTA)) + +/********** kernel/bpf/ **********/ +#define BPF_PTR_POISON ((void *)(0xeB9FUL + POISON_POINTER_DELTA)) + +/********** VFS **********/ +#define VFS_PTR_POISON ((void *)(0xF5 + POISON_POINTER_DELTA)) + +/********** lib/stackdepot.c **********/ +#define STACK_DEPOT_POISON ((void *)(0xD390 + POISON_POINTER_DELTA)) + +/********** io_uring/ **********/ +#define IO_URING_PTR_POISON ((void *)(0x1091UL + POISON_POINTER_DELTA)) + #endif |