From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=kRSE=WT=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 47240C3A5A4
	for <netdev@archiver.kernel.org>; Fri, 23 Aug 2019 21:42:56 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id 282A821897
	for <netdev@archiver.kernel.org>; Fri, 23 Aug 2019 21:42:56 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S2436987AbfHWVmw (ORCPT <rfc822;netdev@archiver.kernel.org>);
        Fri, 23 Aug 2019 17:42:52 -0400
Received: from shards.monkeyblade.net ([23.128.96.9]:38242 "EHLO
        shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S2436967AbfHWVmv (ORCPT
        <rfc822;netdev@vger.kernel.org>); Fri, 23 Aug 2019 17:42:51 -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 8E10B1543B407;
        Fri, 23 Aug 2019 14:42:50 -0700 (PDT)
Date:   Fri, 23 Aug 2019 14:42:50 -0700 (PDT)
Message-Id: <20190823.144250.2063544404229146484.davem@davemloft.net>
To:     lucien.xin@gmail.com
Cc:     netdev@vger.kernel.org, linux-sctp@vger.kernel.org,
        marcelo.leitner@gmail.com, nhorman@tuxdriver.com,
        brouer@redhat.com, ecree@solarflare.com, dvyukov@google.com,
        syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH net-next] net: ipv6: fix listify ip6_rcv_finish in case
 of forwarding
From:   David Miller <davem@davemloft.net>
In-Reply-To: <e355527b374f6ce70fcc286457f87592cd8f3dcc.1566559983.git.lucien.xin@gmail.com>
References: <e355527b374f6ce70fcc286457f87592cd8f3dcc.1566559983.git.lucien.xin@gmail.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]); Fri, 23 Aug 2019 14:42:50 -0700 (PDT)
Sender: netdev-owner@vger.kernel.org
Precedence: bulk
List-ID: <netdev.vger.kernel.org>
X-Mailing-List: netdev@vger.kernel.org

From: Xin Long <lucien.xin@gmail.com>
Date: Fri, 23 Aug 2019 19:33:03 +0800

> We need a similar fix for ipv6 as Commit 0761680d5215 ("net: ipv4: fix
> listify ip_rcv_finish in case of forwarding") does for ipv4.
> 
> This issue can be reprocuded by syzbot since Commit 323ebb61e32b ("net:
> use listified RX for handling GRO_NORMAL skbs") on net-next. The call
> trace was:
 ...
> Fixes: d8269e2cbf90 ("net: ipv6: listify ipv6_rcv() and ip6_rcv_finish()")
> Fixes: 323ebb61e32b ("net: use listified RX for handling GRO_NORMAL skbs")
> Reported-by: syzbot+eb349eeee854e389c36d@syzkaller.appspotmail.com
> Reported-by: syzbot+4a0643a653ac375612d1@syzkaller.appspotmail.com
> Signed-off-by: Xin Long <lucien.xin@gmail.com>

Applied, thanks.