Commit 3688ea1f authored by Willem de Bruijn's avatar Willem de Bruijn Committed by Greg Kroah-Hartman

can: purge socket error queue on sock destruct

commit fd704bd5 upstream.

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

Fixes: 51f31cab ("ip: support for TX timestamps on UDP and RAW sockets")
Reported-by: syzbot+a90604060cb40f5bdd16@syzkaller.appspotmail.com
Signed-off-by: default avatarWillem de Bruijn <willemb@google.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1d4258f8
...@@ -105,6 +105,7 @@ EXPORT_SYMBOL(can_ioctl); ...@@ -105,6 +105,7 @@ EXPORT_SYMBOL(can_ioctl);
static void can_sock_destruct(struct sock *sk) static void can_sock_destruct(struct sock *sk)
{ {
skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_receive_queue);
skb_queue_purge(&sk->sk_error_queue);
} }
static const struct can_proto *can_get_proto(int protocol) static const struct can_proto *can_get_proto(int protocol)
......
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