dm btree remove: fix use after free in rebalance_children()
authorJoe Thornber <ejt@redhat.com>
Wed, 24 Nov 2021 17:07:39 +0000 (12:07 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Dec 2021 08:30:51 +0000 (09:30 +0100)
commit0e21e6cd5eebfc929ac5fa3b97ca2d4ace3cb6a3
treed4c77d458e6fe01117558a8895d2b653150af065
parentf5187a9d52ae3235772fd49530a8276dbefd2a7b
dm btree remove: fix use after free in rebalance_children()

commit 1b8d2789dad0005fd5e7d35dab26a8e1203fb6da upstream.

Move dm_tm_unlock() after dm_tm_dec().

Cc: stable@vger.kernel.org
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/md/persistent-data/dm-btree-remove.c