linux-kernel - Re: [syzbot] [ntfs3?] possible deadlock in map_mft

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Message-ID: <20240311162959.odjj34j2vvypax6n@quack3>
Date: Mon, 11 Mar 2024 17:29:59 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+cb1fdea540b46f0ce394@...kaller.appspotmail.com>
Cc: almaz.alexandrovich@...agon-software.com, anton@...era.com,
	axboe@...nel.dk, brauner@...nel.org, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ntfs-dev@...ts.sourceforge.net, ntfs3@...ts.linux.dev,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] possible deadlock in map_mft_record

On Sat 09-03-24 18:05:04, 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=12b28b99180000
> start commit:   e4cf7c25bae5 Merge tag 'kbuild-fixes-v6.2' of git://git.ke..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=68e0be42c8ee4bb4
> dashboard link: https://syzkaller.appspot.com/bug?extid=cb1fdea540b46f0ce394
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=151db82a480000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10f0e670480000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
 
Looks good.

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

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