From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maninder Singh Subject: [PATCH] af_packet: Raw socket destruction warning fix Date: Mon, 18 Jan 2016 12:07:48 +0530 Message-ID: <1453099068-39022-1-git-send-email-maninder1.s@samsung.com> Cc: pankaj.m@samsung.com, gh007.kim@samsung.com, hakbong5.lee@samsung.com, Maninder Singh , Vaneet Narang To: davem@davemloft.net, willemb@google.com, daniel@iogearbox.net, edumazet@google.com, eyal.birger@gmail.com, tklauser@distanz.ch, fruggeri@aristanetworks.com, dwmw2@infradead.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Receieve queue is not purged when socket dectruction is called results in kernel warning because of non zero sk_rmem_alloc. WARNING: at net/packet/af_packet.c:1142 packet_sock_destruct Backtrace: WARN_ON(atomic_read(&sk->sk_rmem_alloc) packet_sock_destruct __sk_free sock_wfree skb_release_head_state skb_release_all __kfree_skb net_tx_action __do_softirq run_ksoftirqd Signed-off-by: Vaneet Narang Signed-off-by: Maninder Singh --- net/packet/af_packet.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 81b4b81..bcb37ba 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1310,6 +1310,7 @@ static bool packet_rcv_has_room(struct packet_sock *po, struct sk_buff *skb) static void packet_sock_destruct(struct sock *sk) { + skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_error_queue); WARN_ON(atomic_read(&sk->sk_rmem_alloc)); -- 1.7.9.5