linux-kernel - Re: [PATCH 1/2] mmc: v4.14: Fix null pointer dereference in mmc_init

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Message-ID: <20190509060456.GA17096@infradead.org>
Date:   Wed, 8 May 2019 23:04:56 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Raul E Rangel <rrangel@...omium.org>
Cc:     linux-mmc@...r.kernel.org, djkurtz@...gle.com,
        adrian.hunter@...el.com, zwisler@...omium.org,
        linux-kernel@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [PATCH 1/2] mmc: v4.14: Fix null pointer dereference in
 mmc_init_request

On Wed, May 08, 2019 at 12:58:32PM -0600, Raul E Rangel wrote:
> It is possible for queuedata to be cleared in mmc_cleanup_queue before
> the request has been started.

Errm.  I think we need to fix that problem instead of working around it.