linux-kernel - Re: [syzbot] [udf?] WARNING in udf_new

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Message-ID: <20240129092727.s3smagmot77rmsud@quack3>
Date: Mon, 29 Jan 2024 10:27:27 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+cc717c6c5fee9ed6e41d@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, jack@...e.com, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [udf?] WARNING in udf_new_block

On Sat 27-01-24 17:57:03, 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=15fe39a7e80000
> start commit:   10a6e5feccb8 Merge tag 'drm-fixes-2023-10-13' of git://ano..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=11e478e28144788c
> dashboard link: https://syzkaller.appspot.com/bug?extid=cc717c6c5fee9ed6e41d
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16700ae5680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17f897f1680000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
 
Yes, I was suspecting this from my experiments for a long time :)

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

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