From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=vgfS=VI=vger.kernel.org=netdev-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
X-Spam-Level: 
X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,
	MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no
	autolearn_force=no version=3.4.0
Received: from mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 810EBC742A1
	for <netdev@archiver.kernel.org>; Thu, 11 Jul 2019 21:44:01 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id 581A821019
	for <netdev@archiver.kernel.org>; Thu, 11 Jul 2019 21:44:01 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1728823AbfGKVoA (ORCPT <rfc822;netdev@archiver.kernel.org>);
        Thu, 11 Jul 2019 17:44:00 -0400
Received: from shards.monkeyblade.net ([23.128.96.9]:47364 "EHLO
        shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1728434AbfGKVoA (ORCPT
        <rfc822;netdev@vger.kernel.org>); Thu, 11 Jul 2019 17:44:00 -0400
Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71])
        (using TLSv1 with cipher AES256-SHA (256/256 bits))
        (Client did not present a certificate)
        (Authenticated sender: davem-davemloft)
        by shards.monkeyblade.net (Postfix) with ESMTPSA id E8D7114DB02C7;
        Thu, 11 Jul 2019 14:43:59 -0700 (PDT)
Date:   Thu, 11 Jul 2019 14:43:59 -0700 (PDT)
Message-Id: <20190711.144359.970504759650446186.davem@davemloft.net>
To:     edumazet@google.com
Cc:     netdev@vger.kernel.org, eric.dumazet@gmail.com, willemb@google.com,
        syzkaller@googlegroups.com
Subject: Re: [PATCH net] ipv6: fix potential crash in
 ip6_datagram_dst_update()
From:   David Miller <davem@davemloft.net>
In-Reply-To: <20190710134011.221210-2-edumazet@google.com>
References: <20190710134011.221210-1-edumazet@google.com>
        <20190710134011.221210-2-edumazet@google.com>
X-Mailer: Mew version 6.8 on Emacs 26.1
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 11 Jul 2019 14:44:00 -0700 (PDT)
Sender: netdev-owner@vger.kernel.org
Precedence: bulk
List-ID: <netdev.vger.kernel.org>
X-Mailing-List: netdev@vger.kernel.org

From: Eric Dumazet <edumazet@google.com>
Date: Wed, 10 Jul 2019 06:40:10 -0700

> Willem forgot to change one of the calls to fl6_sock_lookup(),
> which can now return an error or NULL.
> 
> syzbot reported :
 ...
> Fixes: 59c820b2317f ("ipv6: elide flowlabel check if no exclusive leases exist")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Acked-by: Willem de Bruijn <willemb@google.com>
> Reported-by: syzbot <syzkaller@googlegroups.com>

Applied.