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| author | Andrey Konovalov <andreyknvl@google.com> | 2018-12-28 09:30:20 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-28 21:11:43 +0100 |
| commit | e71fe3f921aeb27f0c65ee7ebfdde7f8c7d60b74 (patch) | |
| tree | ee15b1256837ce340d01f07aecb19332f7c92a87 /mm/slub.c | |
| parent | kasan: add tag related helper functions (diff) | |
| download | linux-e71fe3f921aeb27f0c65ee7ebfdde7f8c7d60b74.tar.xz linux-e71fe3f921aeb27f0c65ee7ebfdde7f8c7d60b74.zip | |
kasan, arm64: untag address in _virt_addr_is_linear
virt_addr_is_linear (which is used by virt_addr_valid) assumes that the
top byte of the address is 0xff, which isn't always the case with
tag-based KASAN.
This patch resets the tag in this macro.
Link: http://lkml.kernel.org/r/df73a37dd5ed37f4deaf77bc718e9f2e590e69b1.1544099024.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slub.c')
0 files changed, 0 insertions, 0 deletions