From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 1E4B5C606D2 for ; Mon, 8 Jul 2019 20:50:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB74D2173C for ; Mon, 8 Jul 2019 20:50:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405199AbfGHUuC (ORCPT ); Mon, 8 Jul 2019 16:50:02 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:57140 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732130AbfGHUuC (ORCPT ); Mon, 8 Jul 2019 16:50:02 -0400 Received: by mail-io1-f71.google.com with SMTP id u25so20221774iol.23 for ; Mon, 08 Jul 2019 13:50:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=vS8SIynIAO1niTjX4OQUTnBY4wnYj3RxM6IVuk/LaD0=; b=e6uP0mr12lY0X6tw2YoFoIVmVvWbytCbhxoJf6133sHLGFNC6oGFTwKS0AVDENUJrL 0wD0Z2JBRQG5bbHv0wI0l43/IpeiEIMcwneimZSMsl/AbrRvvGKpWfPHTA4fccASpff4 Xqq1pmodmLAOXs3o2WAUkcDkQM7xDvt3Yq7wmaD66jiV9uyYBSYgL4sr27JEjwCU3Ori dSEjXWYxIxT8orAISfF/yOMieKqBUOLmuAnlm9qN6XBtQpIshjy/MTPrHamziq0NHOeJ +FNPhtJ8/aIaPYmQh++F/dLrb8CQ0KuGbD21GYRck78iloZ+vQKot0KJuBikCAqHcLeR pX5g== X-Gm-Message-State: APjAAAWieuLt7Wr3KVRFVcltjcmyoIKHJT80zUmEmtdBCNc6dFIXdyW2 jC64Ikkq0WCYf1sMny1g/k72WbXMisdxQsdbGlrNrOCeCWcA X-Google-Smtp-Source: APXvYqz7Mex/eD2OdoHL8oINO6gsJGtHoTjt54wV5yzwa/nG4sene7Zkk4Wf8u8nfN+cT0C1boueLV+OkMcBcFefNswglCuyyAnW MIME-Version: 1.0 X-Received: by 2002:a5d:96cc:: with SMTP id r12mr18877749iol.99.1562619001197; Mon, 08 Jul 2019 13:50:01 -0700 (PDT) Date: Mon, 08 Jul 2019 13:50:01 -0700 In-Reply-To: <000000000000b519af058d3091d1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007c5b83058d3196cd@google.com> Subject: Re: kernel BUG at lib/lockref.c:LINE! From: syzbot To: arvid.brodin@alten.se, darrick.wong@oracle.com, davem@davemloft.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this bug to: commit 867c90eeea9d81ad1336881b61a4dcf692fc5d50 Author: Stephen Rothwell Date: Mon Jul 8 00:22:38 2019 +0000 Merge remote-tracking branch 'xfs/for-next' bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16c69bc3a00000 start commit: d58b5ab9 Add linux-next specific files for 20190708 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=15c69bc3a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11c69bc3a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=bf9882946ecc11d9 dashboard link: https://syzkaller.appspot.com/bug?extid=f70e9b00f8c7d4187bd0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=173375c7a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1536f9bfa00000 Reported-by: syzbot+f70e9b00f8c7d4187bd0@syzkaller.appspotmail.com Fixes: 867c90eeea9d ("Merge remote-tracking branch 'xfs/for-next'") For information about bisection process see: https://goo.gl/tpsmEJ#bisection