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(parent: e4b5957) | patch
dm cache: Fix UAF in destroy()
authorLuo Meng <luomeng12@huawei.com>
Tue, 29 Nov 2022 02:48:49 +0000 (10:48 +0800)
committerMike Snitzer <snitzer@kernel.org>
Wed, 30 Nov 2022 18:29:34 +0000 (13:29 -0500)
commit6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa
treec176d285fc80ba28da460c3912fe4fc1fcf952a3tree | snapshot
parente4b5957c6f749a501c464f92792f1c8e26b61a94commit | diff
dm cache: Fix UAF in destroy()

Dm_cache also has the same UAF problem when dm_resume()
and dm_destroy() are concurrent.

Therefore, cancelling timer again in destroy().

Cc: stable@vger.kernel.org
Fixes: c6b4fcbad044e ("dm: add cache target")
Signed-off-by: Luo Meng <luomeng12@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
drivers/md/dm-cache-target.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git