linux-kernel - Re: [syzbot] [reiserfs?] general protection fault in __fget

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Message-ID: <20240215093035.2xaftqkkgvtknc33@quack3>
Date: Thu, 15 Feb 2024 10:30:35 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+63cebbb27f598a7f901b@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, chouhan.shreyansh630@...il.com,
	eadavis@...com, jack@...e.cz, jeffm@...e.com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	reiserfs-devel@...r.kernel.org, rkovhaev@...il.com,
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
	viro@...iv.linux.org.uk
Subject: Re: [syzbot] [reiserfs?] general protection fault in __fget_files (2)

On Wed 14-02-24 21:14:05, 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=16fbb3dc180000
> start commit:   f5837722ffec Merge tag 'mm-hotfixes-stable-2023-12-27-15-0..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=da1c95d4e55dda83
> dashboard link: https://syzkaller.appspot.com/bug?extid=63cebbb27f598a7f901b
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1230c7e9e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=133d189ae80000
> 
> 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