linux-kernel - Re: [syzbot] INFO: task hung in scsi_remove

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Date:   Mon, 22 Aug 2022 14:20:10 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     syzbot <syzbot+bafeb834708b1bb750bc@...kaller.appspotmail.com>,
        dsterba@...e.com, hch@....de, hdanton@...a.com, jejb@...ux.ibm.com,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        martin.petersen@...cle.com, ming.lei@...hat.com, nborisov@...e.com,
        syzkaller-bugs@...glegroups.com, wqu@...e.com
Subject: Re: [syzbot] INFO: task hung in scsi_remove_host

On 8/22/22 13:47, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit ae643a74ebdb150b004601d0d5fe5a1faba9b04d
> Author: Qu Wenruo <wqu@...e.com>
> 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@...kaller.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.