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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20681C28D13 for ; Mon, 22 Aug 2022 21:20:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238021AbiHVVUT (ORCPT ); Mon, 22 Aug 2022 17:20:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238014AbiHVVUO (ORCPT ); Mon, 22 Aug 2022 17:20:14 -0400 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E580451432; Mon, 22 Aug 2022 14:20:13 -0700 (PDT) Received: by mail-pl1-f174.google.com with SMTP id x19so11068107plc.5; Mon, 22 Aug 2022 14:20:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc; bh=OiLq9jWCfKJ4+st1sKCjNqpo8+tt/E7IjyRd3lma/Xk=; b=7grAJXH+3A6fUFD4/4s0bR7FzYfB1v74uTU33yzVRxBFB/gPFdEv03XnSfXX4812b4 QURQsL0IWC6tHrmoQSB5n1efzsWlMfrCVqr/DBEa2AwfivERB0NpUv5QTB2YZel/2NmR owNAIhLsV8cg9L2bcUrpEnuhaCL3hzJFVYFgEt5vljSlCFRiV1yyx/Vs2lVmu1TBCDeb NBetWwcKUHS+vT1nWaOK0IBHWIuWSymCWGkOZvi4ygmvS/elAyjPl8VAdFbgwRKKbnA5 /4TT0rvErj0MzvfjoQZ01uN74kK+ThofYv3Nei58nLcC7EHjL17g1jTFJyThskWqgPA6 9kPQ== X-Gm-Message-State: ACgBeo3TKYYd9YkP1rmhOUW09GzYzMHl8q39uCfxDhMC7rzvEP6aWrr3 ausyxUqukz4KScfbn39VymU= X-Google-Smtp-Source: AA6agR7pGr/VS86cFUj14yul6XaNpS7RjoD2KCfjUwqs9xoQDsolr/nUhyk3zWiZECxTsbOtHrazRw== X-Received: by 2002:a17:90a:744c:b0:1fa:c029:7a24 with SMTP id o12-20020a17090a744c00b001fac0297a24mr237385pjk.54.1661203213144; Mon, 22 Aug 2022 14:20:13 -0700 (PDT) Received: from [192.168.3.217] ([98.51.102.78]) by smtp.gmail.com with ESMTPSA id a6-20020a17090ad80600b001fb1de10a4dsm3204272pjv.33.2022.08.22.14.20.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 22 Aug 2022 14:20:12 -0700 (PDT) Message-ID: <27a26f00-95dd-c9bc-dab3-3bbd650b0d87@acm.org> Date: Mon, 22 Aug 2022 14:20:10 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.1.2 Subject: Re: [syzbot] INFO: task hung in scsi_remove_host Content-Language: en-US To: syzbot , dsterba@suse.com, hch@lst.de, hdanton@sina.com, jejb@linux.ibm.com, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, ming.lei@redhat.com, nborisov@suse.com, syzkaller-bugs@googlegroups.com, wqu@suse.com References: <0000000000006d456105e6da8d58@google.com> From: Bart Van Assche In-Reply-To: <0000000000006d456105e6da8d58@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/22/22 13:47, syzbot wrote: > syzbot has bisected this issue to: > > commit ae643a74ebdb150b004601d0d5fe5a1faba9b04d > Author: Qu Wenruo > Date: Sun May 22 11:47:48 2022 +0000 > > btrfs: introduce a data checksum checking helper > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=176ef485080000 > start commit: e3f259d33c0e Merge tag 'i2c-for-6.0-rc2' of git://git.kern.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=14eef485080000 > console output: https://syzkaller.appspot.com/x/log.txt?x=10eef485080000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3bd9363f7b80ef9c > dashboard link: https://syzkaller.appspot.com/bug?extid=bafeb834708b1bb750bc > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=108e1a3d080000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154720f3080000 > > Reported-by: syzbot+bafeb834708b1bb750bc@syzkaller.appspotmail.com > Fixes: ae643a74ebdb ("btrfs: introduce a data checksum checking helper") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Qu, feel free to ignore the above bisection result. I think it is wrong. Bart.