From: Christoph Hellwig <hch@lst.de>
To: Hillf Danton <hdanton@sina.com>
Cc: syzbot <syzbot+118992efda475c16dfb0@syzkaller.appspotmail.com>,
axboe@kernel.dk, hch@lst.de, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com>
Subject: Re: [syzbot] possible deadlock in loop_add
Date: Mon, 12 Jul 2021 07:27:40 +0200 [thread overview]
Message-ID: <20210712052740.GA8599@lst.de> (raw)
In-Reply-To: <20210710131638.605-1-hdanton@sina.com>
On Sat, Jul 10, 2021 at 09:16:38PM +0800, Hillf Danton wrote:
> To break the lock chain, un/register blkdev without mtd_table_mutex held.
Yes, Desmond Cheong Zhi Xi sent pretty much the same patch on June 18th
(mtd: break circular locks in register_mtd_blktrans), but it did not get
picked up.
next prev parent reply other threads:[~2021-07-12 5:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-10 11:01 [syzbot] possible deadlock in loop_add syzbot
[not found] ` <20210710131638.605-1-hdanton@sina.com>
2021-07-12 5:27 ` Christoph Hellwig [this message]
2021-07-12 8:29 ` Desmond Cheong Zhi Xi
2021-07-15 23:00 ` Miquel Raynal
2021-07-17 9:41 ` Desmond Cheong Zhi Xi
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