Luo Meng a506b5c927 dm integrity: Fix UAF in dm_integrity_dtr()
commit f50cb2cbabd6c4a60add93d72451728f86e4791c upstream.

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

Therefore, cancelling timer again in dm_integrity_dtr().

Cc: stable@vger.kernel.org
Fixes: 7eada909bfd7a ("dm: add integrity 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>
2023-01-14 10:16:32 +01:00
2023-01-14 10:16:22 +01:00
2020-10-17 11:18:18 -07:00
2023-01-14 10:15:20 +01:00

Linux kernel
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