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(parent: 88430eb) | patch
dm clone: Fix UAF in clone_dtr()
authorLuo Meng <luomeng12@huawei.com>
Tue, 29 Nov 2022 02:48:48 +0000 (10:48 +0800)
committerMike Snitzer <snitzer@kernel.org>
Wed, 30 Nov 2022 18:29:34 +0000 (13:29 -0500)
commite4b5957c6f749a501c464f92792f1c8e26b61a94
tree48b75f315964f6cbf01328cf991dcd4579a35bbftree | snapshot
parent88430ebcbc0ec637b710b947738839848c20feffcommit | diff
dm clone: Fix UAF in clone_dtr()

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

Therefore, cancelling timer again in clone_dtr().

Cc: stable@vger.kernel.org
Fixes: 7431b7835f554 ("dm: add clone target")
Signed-off-by: Luo Meng <luomeng12@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
drivers/md/dm-clone-target.c diff | blob | history
Domain: System / Kernel;