Min Li 55410a9144 Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
[ Upstream commit 25e97f7b1866e6b8503be349eeea44bb52d661ce ]

conn->chan_lock isn't acquired before l2cap_get_chan_by_scid,
if l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance'
is triggered.

Reported-by: syzbot+9519d6b5b79cf7787cf3@syzkaller.appspotmail.com
Link: https://lore.kernel.org/all/000000000000894f5f05f95e9f4d@google.com/
Signed-off-by: Min Li <lm0963hack@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-30 12:57:49 +01:00
..
2022-12-14 11:32:01 +01:00
2023-03-22 13:30:00 +01:00
2023-05-17 11:48:11 +02:00
2021-06-18 10:00:06 +02:00