linux-kernel - Re: [syzbot] [reiserfs?] kernel BUG in balance

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Message-ID: <20240122195422.45jfvwcu7pdscv3u@quack3>
Date: Mon, 22 Jan 2024 20:54:22 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+6a0877ace12bfad107fc@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	reiserfs-devel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
	yijiangshan@...inos.cn
Subject: Re: [syzbot] [reiserfs?] kernel BUG in balance_leaf

On Sat 20-01-24 19:17:02, 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=10cc8ee7e80000
> start commit:   88603b6dc419 Linux 6.2-rc2
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=9babfdc3dd4772d0
> dashboard link: https://syzkaller.appspot.com/bug?extid=6a0877ace12bfad107fc
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12bdb82a480000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=108acc94480000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Makes sense:
 
#syz fix: fs: Block writes to mounted block devices

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR