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[209.132.180.67]) by mx.google.com with ESMTP id y5si7415405pge.192.2019.03.12.05.03.58; Tue, 12 Mar 2019 05:04:20 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@hartkopp.net header.s=strato-dkim-0002 header.b=HesoWT+S; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726670AbfCLMDK (ORCPT + 99 others); Tue, 12 Mar 2019 08:03:10 -0400 Received: from mo4-p02-ob.smtp.rzone.de ([85.215.255.84]:10997 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725844AbfCLMDK (ORCPT ); Tue, 12 Mar 2019 08:03:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1552392185; s=strato-dkim-0002; d=hartkopp.net; h=In-Reply-To:Date:Message-ID:From:References:To:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=h9XAKEaQBPRHxXYRJsY2R8sx7boUqRnJiV69Nn2E2lY=; b=HesoWT+See2mmC70JshR2kZuYUX9mVB3/3ibb5cUKO+gr4VzRNKnToUVaaUayKRQ4v AKjLyVyyih78Hnceco7zDUIWF9SOq6igi4kMm5YGEkWFyuV38ETA9uN5StcsO7TyDWQV aCZrPK2BueK+fBra7/1BICNZqAOL2Afy+aUJA40dAZdSb1ZHm86pRHRVAAnD9SfHLpz2 pNkIkd8HXmLSWpFldVXfeuyAaEfOx8A8Rmx/GEnKKB7QYVUX/8K76rqY0vOrVOnV5WuQ 4+cUVx2zwfwaq3GHj172mL4KIGJBLvQTWk2G2tMiZMtDLMt02WgUJqyC1YJrKuz8fttw gX0A== X-RZG-AUTH: ":P2MHfkW8eP4Mre39l357AZT/I7AY/7nT2yrDxb8mjG14FZxedJy6qgO1onXMaVuOBdyp/nutbxfg" X-RZG-CLASS-ID: mo00 Received: from [192.168.1.119] by smtp.strato.de (RZmta 44.13 AUTH) with ESMTPSA id e06351v2CC2muWa (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Tue, 12 Mar 2019 13:02:48 +0100 (CET) Subject: Re: WARNING in hsr_addr_subst_dest To: syzbot , arvid.brodin@alten.se, axboe@fb.com, axboe@kernel.dk, davem@davemloft.net, hch@lst.de, linux-block@vger.kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, mkl@pengutronix.de, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000d7206e0583dfc6b3@google.com> From: Oliver Hartkopp Message-ID: <11a39c4b-9ac1-e55e-1773-534248a1d1d8@hartkopp.net> Date: Tue, 12 Mar 2019 13:02:47 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <000000000000d7206e0583dfc6b3@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, I'm not sure why a Kernel 4.12.0-rc2+ is used here, but I do not get any problems on the my latest 5.0.0-06622-g1fc1cd8399ab tree and I strongly assume this patch showing up in 4.12-rc6 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit?id=74b7b490886852582d986a33443c2ffa50970169 fixes the problem. Best regards, Oliver On 3/12/19 7:27 AM, syzbot wrote: > syzbot has bisected this bug to: > > commit ab42f35d9cb5ac49b5a2a11f940e74f58f207280 > Author: Ming Lei > Date:   Fri May 26 11:53:19 2017 +0000 > >     blk-mq: merge bio into sw queue before plugging > > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1681996f200000 > start commit:   ab42f35d blk-mq: merge bio into sw queue before plugging > git tree:       upstream > final crash:    https://syzkaller.appspot.com/x/report.txt?x=1581996f200000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1181996f200000 > kernel config:  https://syzkaller.appspot.com/x/.config?x=5e7dc790609552d7 > dashboard link: > https://syzkaller.appspot.com/bug?extid=b92e4f1472a54e1c7dec > userspace arch: amd64 > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=107db700c00000 > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12304827400000 > > Reported-by: syzbot+b92e4f1472a54e1c7dec@syzkaller.appspotmail.com > Fixes: ab42f35d ("blk-mq: merge bio into sw queue before plugging")