From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] ipv6: fix uninit-value in ip6_multipath_l3_keys() Date: Tue, 01 May 2018 12:15:59 -0400 (EDT) Message-ID: <20180501.121559.1330426646955234485.davem@davemloft.net> References: <20180429165459.164538-1-edumazet@google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, jkbs@redhat.com To: edumazet@google.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:46798 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755898AbeEAQQB (ORCPT ); Tue, 1 May 2018 12:16:01 -0400 In-Reply-To: <20180429165459.164538-1-edumazet@google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Sun, 29 Apr 2018 09:54:59 -0700 > syzbot/KMSAN reported an uninit-value in ip6_multipath_l3_keys(), > root caused to a bad assumption of ICMP header being already > pulled in skb->head > > ip_multipath_l3_keys() does the correct thing, so it is an IPv6 only bug. ... > Fixes: 23aebdacb05d ("ipv6: Compute multipath hash for ICMP errors from offending packet") > Signed-off-by: Eric Dumazet > Reported-by: syzbot Series applied and queued up for -stable, thanks.