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Date: Thu, 8 Feb 2024 08:15:26 +1100
From: Dave Chinner <david@fromorbit.com>
To: syzbot <syzbot+3f083e9e08b726fcfba2@syzkaller.appspotmail.com>
Cc: axboe@kernel.dk, brauner@kernel.org, chandan.babu@oracle.com,
	djwong@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [xfs?] INFO: task hung in xfs_buf_item_unpin
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On Mon, Feb 05, 2024 at 01:13:04PM -0800, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@suse.cz>
> Date:   Wed Nov 1 17:43:10 2023 +0000
> 
>     fs: Block writes to mounted block devices
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=176f2d7be80000
> start commit:   d2980d8d8265 Merge tag 'mm-nonmm-stable-2023-02-20-15-29' ..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=471a946f0dd5764c
> dashboard link: https://syzkaller.appspot.com/bug?extid=3f083e9e08b726fcfba2
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17a077d8c80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14d91c74c80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
> 
> #syz fix: fs: Block writes to mounted block devices

No, not even close.

-Dave.
-- 
Dave Chinner
david@fromorbit.com