kevin/linux
1
Fork 0
Code

Bluetooth: l2cap: always unlock channel in l2cap_conless_channel()

Browse Source 
Add missing call to 'l2cap_chan_unlock()' on receive error handling
path in 'l2cap_conless_channel()'.

Fixes: a24cce144b ("Bluetooth: Fix reference counting of global L2CAP channels")
Reported-by: syzbot+45ac74737e866894acb0@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=45ac74737e866894acb0
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Dmitry Antipov 2024-07-31 12:19:36 +03:00 committed by Luiz Augusto von Dentz
parent e1d28be268
commit c531e63871
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
net/bluetooth/l2cap_core.c
View File

@ -6774,6 +6774,7 @@ static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,
bt_cb(skb)->l2cap.psm = psm;
if (!chan->ops->recv(chan, skb)) {
l2cap_chan_unlock(chan);
l2cap_chan_put(chan);
return;
}