diff options
| author | Walter Wu <walter-zh.wu@mediatek.com> | 2020-04-01 21:09:40 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-04-02 09:35:30 -0700 |
| commit | 98f3b56fa62a61f1d4d6a5fdd035f0b03be1e93f (patch) | |
| tree | 47aa9c7ce87f5260e1f238b7c0e960c70e22aed3 /mm | |
| parent | 8cceeff48f23eede76de995df08cf665182ec8fb (diff) | |
| download | linux-98f3b56fa62a61f1d4d6a5fdd035f0b03be1e93f.tar.gz linux-98f3b56fa62a61f1d4d6a5fdd035f0b03be1e93f.tar.bz2 linux-98f3b56fa62a61f1d4d6a5fdd035f0b03be1e93f.zip | |
kasan: add test for invalid size in memmove
Test negative size in memmove in order to verify whether it correctly get
KASAN report.
Casting negative numbers to size_t would indeed turn up as a large size_t,
so it will have out-of-bounds bug and be detected by KASAN.
[walter-zh.wu@mediatek.com: fix -Wstringop-overflow warning]
Link: http://lkml.kernel.org/r/20200311134244.13016-1-walter-zh.wu@mediatek.com
Signed-off-by: Walter Wu <walter-zh.wu@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: kernel test robot <lkp@intel.com>
Link: http://lkml.kernel.org/r/20191112065313.7060-1-walter-zh.wu@mediatek.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions