dm space map common: add bounds check to sm_ll_lookup_bitmap()
authorJoe Thornber <ejt@redhat.com>
Fri, 10 Dec 2021 13:49:53 +0000 (13:49 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Jan 2022 10:04:53 +0000 (11:04 +0100)
commit1674124a885575fcb54d37e7ac90e1e15696b945
tree032124a0d38946dfc592084645b9811632ad1a06
parentb5aee20b53163c9cfa810012ad073a25d96f6161
dm space map common: add bounds check to sm_ll_lookup_bitmap()

[ Upstream commit cba23ac158db7f3cd48a923d6861bee2eb7a2978 ]

Corrupted metadata could warrant returning error from sm_ll_lookup_bitmap().

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/md/persistent-data/dm-space-map-common.c