linux-kernel - Re: [syzbot] [gfs2?] BUG: sleeping function called from invalid context in glock_hash

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Message-ID: <20240116103300.bpv233hnhvfk3uvf@quack3>
Date: Tue, 16 Jan 2024 11:33:00 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+10c6178a65acf04efe47@...kaller.appspotmail.com>
Cc: agruenba@...hat.com, axboe@...nel.dk, brauner@...nel.org,
	cluster-devel@...hat.com, gfs2@...ts.linux.dev, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	rpeterso@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [gfs2?] BUG: sleeping function called from invalid
 context in glock_hash_walk

On Mon 15-01-24 19:35:05, 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=165bebf5e80000
> start commit:   3f86ed6ec0b3 Merge tag 'arc-6.6-rc1' of git://git.kernel.o..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=ff0db7a15ba54ead
> dashboard link: https://syzkaller.appspot.com/bug?extid=10c6178a65acf04efe47
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13e4ea14680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13f76f10680000
> 
> 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