linux-hardened/mm/kasan
Andrey Ryabinin 923936157b mm/mempool.c: kasan: poison mempool elements
Mempools keep allocated objects in reserved for situations when ordinary
allocation may not be possible to satisfy.  These objects shouldn't be
accessed before they leave the pool.

This patch poison elements when get into the pool and unpoison when they
leave it.  This will let KASan to detect use-after-free of mempool's
elements.

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Tested-by: David Rientjes <rientjes@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Chernenkov <drcheren@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-15 16:35:20 -07:00
..
kasan.c mm/mempool.c: kasan: poison mempool elements 2015-04-15 16:35:20 -07:00
kasan.h kasan: enable instrumentation of global variables 2015-02-13 21:21:42 -08:00
Makefile kasan: add kernel address sanitizer infrastructure 2015-02-13 21:21:40 -08:00
report.c kasan: enable instrumentation of global variables 2015-02-13 21:21:42 -08:00