diff options
Diffstat (limited to 'include/linux/poison.h')
| -rw-r--r-- | include/linux/poison.h | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index dc8ae5d8db03..8ca2235f78d5 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -27,11 +27,7 @@ #define TIMER_ENTRY_STATIC ((void *) 0x300 + POISON_POINTER_DELTA) /********** mm/page_poison.c **********/ -#ifdef CONFIG_PAGE_POISONING_ZERO -#define PAGE_POISON 0x00 -#else #define PAGE_POISON 0xaa -#endif /********** mm/page_alloc.c ************/ @@ -42,11 +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 */ @@ -56,12 +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 @@ -82,4 +69,25 @@ /********** 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)) + #endif |