linux-kernel - Re: [syzbot] [ntfs?] BUG: unable to handle kernel paging request in lookup

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Message-ID: <20240115143817.bihmmw4uhuch4vp7@quack3>
Date: Mon, 15 Jan 2024 15:38:17 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+84b5465f68c3eb82c161@...kaller.appspotmail.com>
Cc: 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,
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [ntfs?] BUG: unable to handle kernel paging request in
 lookup_open

On Mon 15-01-24 01:05:04, 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=11feec2be80000
> start commit:   831fe284d827 Merge tag 'spi-fix-v6.5-rc1' of git://git.ker..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=ae56ea581f8fd3f3
> dashboard link: https://syzkaller.appspot.com/bug?extid=84b5465f68c3eb82c161
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13a52a24a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=156f908aa80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Looks sensible:

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

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