can: purge socket error queue on sock destruct

commit fd704bd5ee upstream.

CAN supports software tx timestamps as of the below commit. Purge
any queued timestamp packets on socket destroy.

Fixes: 51f31cabe3 ("ip: support for TX timestamps on UDP and RAW sockets")
Reported-by: syzbot+a90604060cb40f5bdd16@syzkaller.appspotmail.com
Signed-off-by: Willem de Bruijn <willemb@google.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Willem de Bruijn
2019-06-07 16:46:07 -04:00
committed by Greg Kroah-Hartman
parent 50b1c5b57e
commit a97e26569b

View File

@@ -113,6 +113,7 @@ EXPORT_SYMBOL(can_ioctl);
static void can_sock_destruct(struct sock *sk)
{
skb_queue_purge(&sk->sk_receive_queue);
skb_queue_purge(&sk->sk_error_queue);
}
static const struct can_proto *can_get_proto(int protocol)