linux-kernel - Re: [syzbot] [gfs2?] INFO: task hung in gfs2_gl_hash

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Date: Tue, 23 Jan 2024 10:05:18 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+ed7d0f71a89e28557a77@...kaller.appspotmail.com>
Cc: agruenba@...hat.com, axboe@...nel.dk, bobo.shaobowang@...wei.com,
	brauner@...nel.org, broonie@...nel.org, catalin.marinas@....com,
	cluster-devel@...hat.com, dominic.coppola@...oradeadvert.com,
	dvyukov@...gle.com, gfs2@...ts.linux.dev, jack@...e.cz,
	liaoyu15@...wei.com, linux-arm-kernel@...ts.infradead.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	liwei391@...wei.com, madvenka@...ux.microsoft.com,
	rpeterso@...hat.com, scott@...amperecomputing.com,
	syzkaller-bugs@...glegroups.com, will@...nel.org
Subject: Re: [syzbot] [gfs2?] INFO: task hung in gfs2_gl_hash_clear (3)

On Sun 21-01-24 20:21:05, 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=137b2d43e80000
> start commit:   3f01e9fed845 Merge tag 'linux-watchdog-6.5-rc2' of git://w..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=29fd3392a08741ef
> dashboard link: https://syzkaller.appspot.com/bug?extid=ed7d0f71a89e28557a77
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17b6f3f8a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1688b6d4a80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Makes sense:

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

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