On Wed, 9 Jul 2014, Andrey Ryabinin wrote: > + > +Markers of unaccessible bytes could be found in mm/kasan/kasan.h header: > + > +#define KASAN_FREE_PAGE 0xFF /* page was freed */ > +#define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large > allocations */ > +#define KASAN_SLAB_REDZONE 0xFD /* Slab page redzone, does not belong > to any slub object */
We call these zones "PADDING". Redzones are associated with an object. Padding is there because bytes are left over, unusable or necessary for alignment. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/