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(parent: e5a7852) | patch
dm integrity: Fix UAF in dm_integrity_dtr()
authorLuo Meng <luomeng12@huawei.com>
Tue, 29 Nov 2022 02:48:50 +0000 (10:48 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 7 Jan 2023 10:11:45 +0000 (11:11 +0100)
commitf517d4bdd836183754f081af4a9925c65441c296
treeb7e9886d7a19418e28f317a97fcf3abe5fd7528etree | snapshot
parente5a7852ca75387b160ebc68ab98eef72fc380fe8commit | diff
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: 9aa2cd3d5bc22 ("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>
drivers/md/dm-integrity.c diff | blob | history
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