Description: Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del()
References:
 https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=42cf46dea905a80f6de218e837ba4d4cc33d6979
Notes:
 carnil> Commit fixes d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-
 carnil> free caused by l2cap_chan_put") in 5.19 (which was backported
 carnil> to 5.18.16, 5.10.135, 4.19.326)
Bugs:
upstream: released (6.1-rc4) [0d0e2d032811280b927650ff3c15fe5020e82533]
5.10-upstream-stable: released (5.10.154) [d9ec6e2fbd4a565b2345d4852f586b7ae3ab41fd]
4.19-upstream-stable: released (4.19.265) [7f7bfdd9a9af3b12c33d9da9a012e7f4d5c91f4b]
sid: released (6.0.8-1)
5.10-bullseye-security: released (5.10.158-1)
4.19-buster-security: released (4.19.269-1)