From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964801Ab2B1BkG (ORCPT ); Mon, 27 Feb 2012 20:40:06 -0500 Received: from mail-pz0-f46.google.com ([209.85.210.46]:48212 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932248Ab2B1BGX (ORCPT ); Mon, 27 Feb 2012 20:06:23 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of gregkh@linuxfoundation.org designates 10.68.232.42 as permitted sender) smtp.mail=gregkh@linuxfoundation.org MIME-Version: 1.0 Message-Id: <20120228010207.846264802@linuxfoundation.org> User-Agent: quilt/0.51-17.1 Date: Mon, 27 Feb 2012 17:02:26 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Ben Greear , "David S. Miller" Subject: [ 23/73] ipv6-multicast: Fix memory leak in IPv6 multicast. In-Reply-To: <20120228010246.GA24299@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Greear [ Upstream commit 67928c4041606f02725f3c95c4c0404e4532df1b ] If reg_vif_xmit cannot find a routing entry, be sure to free the skb before returning the error. Signed-off-by: Ben Greear Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv6/ip6mr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -696,8 +696,10 @@ static netdev_tx_t reg_vif_xmit(struct s int err; err = ip6mr_fib_lookup(net, &fl6, &mrt); - if (err < 0) + if (err < 0) { + kfree_skb(skb); return err; + } read_lock(&mrt_lock); dev->stats.tx_bytes += skb->len;