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Date:   Mon, 12 Jul 2021 08:22:41 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Hillf Danton <hdanton@sina.com>
Cc:     syzbot <syzbot+0fe7752e52337864d29b@syzkaller.appspotmail.com>,
        axboe@kernel.dk, hare@suse.de, hch@lst.de, jack@suse.cz,
        linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
        syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] INFO: task hung in del_gendisk
Message-ID: <20210712062241.GA9697@lst.de>
References: <0000000000003fdaa905c6db08d0@google.com> <20210712041417.835-1-hdanton@sina.com>
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On Mon, Jul 12, 2021 at 12:14:17PM +0800, Hillf Danton wrote:
> Fix it by s/nbd->destroy_complete/&nbd->destroy_complete/
> 
> Note this isnt a cure to what the syzbot reported.

Yeah.  The completion stuff does look bogus, but the actual sysbot
report is about the fact that del_gendisk is called from ->release.