From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:60712 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755420AbeCVNal (ORCPT ); Thu, 22 Mar 2018 09:30:41 -0400 Subject: Patch "ip_gre: fix potential memory leak in erspan_rcv" has been added to the 4.14-stable tree To: yanhaishuang@cmss.chinamobile.com, alexander.levin@microsoft.com, davem@davemloft.net, gregkh@linuxfoundation.org, u9012063@gmail.com Cc: , From: Date: Thu, 22 Mar 2018 14:30:20 +0100 Message-ID: <152172542020534@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ip_gre: fix potential memory leak in erspan_rcv to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ip_gre-fix-potential-memory-leak-in-erspan_rcv.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Mar 22 14:26:48 CET 2018 From: Haishuang Yan Date: Wed, 20 Dec 2017 10:07:00 +0800 Subject: ip_gre: fix potential memory leak in erspan_rcv From: Haishuang Yan [ Upstream commit 50670b6ee9bc4ae8f9ce3112b437987adf273245 ] If md is NULL, tun_dst must be freed, otherwise it will cause memory leak. Fixes: 1a66a836da6 ("gre: add collect_md mode to ERSPAN tunnel") Cc: William Tu Signed-off-by: Haishuang Yan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- net/ipv4/ip_gre.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -303,8 +303,10 @@ static int erspan_rcv(struct sk_buff *sk return PACKET_REJECT; md = ip_tunnel_info_opts(&tun_dst->u.tun_info); - if (!md) + if (!md) { + dst_release((struct dst_entry *)tun_dst); return PACKET_REJECT; + } md->index = index; info = &tun_dst->u.tun_info; Patches currently in stable-queue which might be from yanhaishuang@cmss.chinamobile.com are queue-4.14/ip_gre-fix-error-path-when-erspan_rcv-failed.patch queue-4.14/ip_gre-fix-potential-memory-leak-in-erspan_rcv.patch