linux-kernel - Re: [syzbot] [xfs?] WARNING: Reset corrupted AGFL on AG NUM. NUM blocks leaked. Please unmount and run xfs

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Message-ID: <ZcPzJWwhd++wGtd8@dread.disaster.area>
Date: Thu, 8 Feb 2024 08:16:21 +1100
From: Dave Chinner <david@...morbit.com>
To: syzbot <syzbot+9d0b0d54a8bd799f6ae4@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, chandan.babu@...cle.com,
	dchinner@...hat.com, djwong@...nel.org, ebiggers@...nel.org,
	hch@....de, jack@...e.cz, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
	sandeen@...deen.net, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [xfs?] WARNING: Reset corrupted AGFL on AG NUM. NUM
 blocks leaked. Please unmount and run xfs_repair.

On Tue, Feb 06, 2024 at 04:24:04PM -0800, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@...e.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=1110ad7be80000
> start commit:   40f71e7cd3c6 Merge tag 'net-6.4-rc7' of git://git.kernel.o..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=7ff8f87c7ab0e04e
> dashboard link: https://syzkaller.appspot.com/bug?extid=9d0b0d54a8bd799f6ae4
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16ab4537280000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=148326ef280000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
> 
> #syz fix: fs: Block writes to mounted block devices

Hahahahahaha!

syzbot, you're drunk. Go home.

-Dave
-- 
Dave Chinner
david@...morbit.com