linux-kernel - Re: [syzbot] [udf] WARNING in invalidate_bh

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Date: Mon, 11 Mar 2024 10:32:58 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+9743a41f74f00e50fc77@...kaller.appspotmail.com>
Cc: akpm@...ux-foundation.org, axboe@...nel.dk, brauner@...nel.org,
	hch@...radead.org, hch@....de, jack@...e.com, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	liushixin2@...wei.com, nogikh@...gle.com,
	syzkaller-bugs@...glegroups.com, tytso@....edu,
	viro@...iv.linux.org.uk
Subject: Re: [syzbot] [udf] WARNING in invalidate_bh_lru

On Sat 02-03-24 04:14:04, 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=14a093ce180000
> start commit:   9a3dad63edbe Merge tag '6.6-rc5-ksmbd-server-fixes' of git..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=11e478e28144788c
> dashboard link: https://syzkaller.appspot.com/bug?extid=9743a41f74f00e50fc77
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16ebc3c5680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=122e8275680000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

UDF is fixed but sysv still seems to trigger the warning so:

#syz set subsystems: fs

(we don't seem to have separate category for sysv bugs).

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