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(parent: 34cd15d) | 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>
Thu, 12 Jan 2023 10:58:53 +0000 (11:58 +0100)
commit9215b25f2e105032114e9b92c9783a2a84ee8af9
tree7dac3be58190d2d5287a8f3a5f644e7bdb213386tree | snapshot
parent34cd15d83b7206188d440b29b68084fcafde9395commit | 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: 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>
drivers/md/dm-integrity.c diff | blob | history
Domain: System / Kernel;