linux-kernel - Re: [PATCH] nvme: fix use-after-free during booting

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Message-ID: <20200917152633.GA521@lst.de>
Date:   Thu, 17 Sep 2020 17:26:33 +0200
From:   Christoph Hellwig <hch@....de>
To:     Tong Zhang <ztong0001@...il.com>
Cc:     Christoph Hellwig <hch@....de>, Keith Busch <kbusch@...nel.org>,
        Jens Axboe <axboe@...com>, Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme: fix use-after-free during booting

On Thu, Sep 17, 2020 at 11:24:59AM -0400, Tong Zhang wrote:
> Hmm.. OK. Any suggestions on how to fix this?

Yes, we'll need to make sure the block layer doesn't double put
for a not fully setup disk/queue.  It has been on my todo list for
a while, I'll plan to get back to in the next days.