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linux/drivers/md/dm-integrity.c
Luo Meng b6c93cd61a dm integrity: Fix UAF in dm_integrity_dtr() 
commit f50cb2cbab 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: 7eada909bf ("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>
2023-01-07 11:11:45 +01:00

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