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(parent: 61dd8d4) | patch
dm btree: add a defensive bounds check to insert_at()
authorJoe Thornber <ejt@redhat.com>
Fri, 10 Dec 2021 13:44:13 +0000 (13:44 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Jan 2022 07:46:18 +0000 (08:46 +0100)
commit6da82c0ae3feee6207d7dcbbf22aa79db75383b2
treefa870fe60ef487fe0b73dbaad8915045d4a452c1tree | snapshot
parent61dd8d487c1f1154e459a014c6d7a9038e1287c6commit | diff
dm btree: add a defensive bounds check to insert_at()

[ Upstream commit 85bca3c05b6cca31625437eedf2060e846c4bbad ]

Corrupt metadata could trigger an out of bounds write.

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-btree.c diff | blob | history
wrapfs-4.14.y