| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 22/73] can: purge socket error queue on sock destruct | Date | Mon, 8 Jul 2019 17:12:32 +0200 |
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From: Willem de Bruijn <willemb@google.com>
commit fd704bd5ee749d560e86c4f1fd2ef486d8abf7cf upstream.
CAN supports software tx timestamps as of the below commit. Purge any queued timestamp packets on socket destroy.
Fixes: 51f31cabe3ce ("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>
--- net/can/af_can.c | 1 + 1 file changed, 1 insertion(+)
--- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -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)
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