Revision - 51dedad - kasan, slab: make freelist stored without tags - origin: https://github.com/torvalds/linux

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05 April 2024, 19:05:47 UTC

Revision 51dedad06b5f6c3eea7ec1069631b1ef7796912a authored by Andrey Konovalov on 21 February 2019, 06:20:28 UTC, committed by Linus Torvalds on 21 February 2019, 17:01:00 UTC

kasan, slab: make freelist stored without tags

Similarly to "kasan, slub: move kasan_poison_slab hook before
page_address", move kasan_poison_slab() before alloc_slabmgmt(), which
calls page_address(), to make page_address() return value to be
non-tagged.  This, combined with calling kasan_reset_tag() for off-slab
slab management object, leads to freelist being stored non-tagged.

Link: http://lkml.kernel.org/r/dfb53b44a4d00de3879a05a9f04c1f55e584f7a1.1550602886.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Qian Cai <cai@lca.pw>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgeniy Stepanov <eugenis@google.com>
Cc: Kostya Serebryany <kcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Tip revision: 51dedad06b5f6c3eea7ec1069631b1ef7796912a authored by Andrey Konovalov on 21 February 2019, 06:20:28 UTC
kasan, slab: make freelist stored without tags

Tip revision: 51dedad

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include
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kernel
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usr
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.clang-format	-rw-r--r--	13.9 KB
.cocciconfig	-rw-r--r--	59 bytes
.get_maintainer.ignore	-rw-r--r--	31 bytes
.gitattributes	-rw-r--r--	30 bytes
.gitignore	-rw-r--r--	1.5 KB
.mailmap	-rw-r--r--	10.7 KB
COPYING	-rw-r--r--	423 bytes
CREDITS	-rw-r--r--	96.9 KB
Kbuild	-rw-r--r--	1.7 KB
Kconfig	-rw-r--r--	563 bytes
MAINTAINERS	-rw-r--r--	482.3 KB
Makefile	-rw-r--r--	59.1 KB
README	-rw-r--r--	727 bytes

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kasan, slab: make freelist stored without tags

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