linux-kernel - Re: [PATCH] nvme: fix NULL pointer dereference

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Message-ID: <20200917171437.GB3766534@dhcp-10-100-145-180.wdl.wdc.com>
Date:   Thu, 17 Sep 2020 10:14:37 -0700
From:   Keith Busch <kbusch@...nel.org>
To:     Tong Zhang <ztong0001@...il.com>
Cc:     Jens Axboe <axboe@...com>, Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme: fix NULL pointer dereference

On Thu, Sep 17, 2020 at 12:56:59PM -0400, Tong Zhang wrote:
> The command_id in CQE is writable by NVMe controller, driver should
> check its sanity before using it.

We already do that.