linux-kernel - Re: [PATCH] crypto: dcp - fix scatterlist linearization for hash

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Message-ID: <VI1PR0402MB348546BF33366C0EA219696598ED0@VI1PR0402MB3485.eurprd04.prod.outlook.com>
Date:   Tue, 25 Feb 2020 19:13:37 +0000
From:   Horia Geanta <horia.geanta@....com>
To:     "Dragos Rosioru (OSS)" <dragos.rosioru@....nxp.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Marek Vasut <marex@...x.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH] crypto: dcp - fix scatterlist linearization for hash

On 2/25/2020 5:06 PM, Dragos Rosioru (OSS) wrote:
> From: Rosioru Dragos <dragos.rosioru@....com>
> 
> The incorrect traversal of the scatterlist, during the linearization phase
> lead to computing the hash value of the wrong input buffer.
> New implementation uses scatterwalk_map_and_copy()
> to address this issue.
> 
> Cc: <stable@...r.kernel.org>
> Fixes: 15b59e7c3733 ("crypto: mxs - Add Freescale MXS DCP driver")
> Signed-off-by: Rosioru Dragos <dragos.rosioru@....com>
Reviewed-by: Horia Geantă <horia.geanta@....com>

Thanks,
Horia