OSDN Git Service

kasan: test: disable kmalloc_memmove_invalid_size for HW_TAGS
authorAndrey Konovalov <andreyknvl@gmail.com>
Thu, 2 Sep 2021 21:57:41 +0000 (14:57 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 3 Sep 2021 16:58:14 +0000 (09:58 -0700)
commit1b0668be62cfa394903bb368641c80533bf42d5a
treeb06271e51fb3ff83e4ef07bfc9cb471b3c05d4be
parent555999a009aacd90ea51a6690e8eb2a5d0427edc
kasan: test: disable kmalloc_memmove_invalid_size for HW_TAGS

The HW_TAGS mode doesn't check memmove for negative size.  As a result,
the kmalloc_memmove_invalid_size test corrupts memory, which can result in
a crash.

Disable this test with HW_TAGS KASAN.

Link: https://lkml.kernel.org/r/088733a06ac21eba29aa85b6f769d2abd74f9638.1628779805.git.andreyknvl@gmail.com
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/test_kasan.c