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

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Message-ID: <20200923050641.GA14878@lst.de>
Date:   Wed, 23 Sep 2020 07:06:41 +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 Tue, Sep 22, 2020 at 04:34:45PM -0400, Tong Zhang wrote:
> Hi Christoph,
> I modified the patch a bit and now it works.

So you're still hitting the WARN_ON_ONCE?  I think we need to fix that
as well, but all the ideas I have will turn into a bigger project,
so I think I'll submit this one to Jens, and then do things
incrementally.

Can you share your reproducer?