| commit | 993406104d2b28fe470126a062ad37a1e21e792e | [log] [tgz] |
|---|---|---|
| author | Luo Meng <luomeng12@huawei.com> | Tue Nov 29 10:48:49 2022 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Jan 18 09:26:37 2023 +0100 |
| tree | 8aca1c56d782df52e65f0bd4b376f095a57ce68b | |
| parent | 550a4fac7ecfee5bac6a0dd772456ca62fb72f46 [diff] |
dm cache: Fix UAF in destroy()
commit 6a459d8edbdbe7b24db42a5a9f21e6aa9e00c2aa upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>