netdev - Re: [syzbot] [bpf?] [reiserfs?] WARNING: locking bug in corrupted (2)

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Message-ID: <20240111185124.ajlkmj4b2p57kbli@quack3>
Date: Thu, 11 Jan 2024 19:51:24 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+3779764ddb7a3e19437f@...kaller.appspotmail.com>
Cc: andrii@...nel.org, ast@...nel.org, axboe@...nel.dk, bpf@...r.kernel.org,
	brauner@...nel.org, daniel@...earbox.net, davem@...emloft.net,
	haoluo@...gle.com, hawk@...nel.org, jack@...e.cz,
	john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org,
	kuba@...nel.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, luto@...nel.org, martin.lau@...ux.dev,
	netdev@...r.kernel.org, peterz@...radead.org,
	reiserfs-devel@...r.kernel.org, sdf@...gle.com, song@...nel.org,
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
	tintinm2017@...il.com, yhs@...com, yukuai3@...wei.com
Subject: Re: [syzbot] [bpf?] [reiserfs?] WARNING: locking bug in corrupted (2)

On Thu 11-01-24 08:35:04, 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=120430a5e80000
> start commit:   c17414a273b8 Merge tag 'sh-for-v6.5-tag1' of git://git.ker..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=7ad417033279f15a
> dashboard link: https://syzkaller.appspot.com/bug?extid=3779764ddb7a3e19437f
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12bbd544a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13fd50b0a80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Looks plausible.
 
#syz fix: fs: Block writes to mounted block devices

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