From: Antoine Tenart <antoine.tenart@bootlin.com>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
Kees Cook <keescook@chromium.org>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] crypto: inside-secure: safexcel - fix memory allocation
Date: Wed, 10 Oct 2018 15:55:14 +0200 [thread overview]
Message-ID: <20181010135514.GC3368@kwain> (raw)
In-Reply-To: <20181008191712.GA12892@embeddedor.com>
Hi Gustavo,
On Mon, Oct 08, 2018 at 09:17:12PM +0200, Gustavo A. R. Silva wrote:
> The original intention is to allocate space for EIP197_DEFAULT_RING_SIZE
> *pointers* to struct, so sizeof(priv->ring[i].rdr_req) should be
> sizeof(*priv->ring[i].rdr_req).
>
> Addresses-Coverity-ID: 1473962 ("Sizeof not portable")
> Fixes: 9744fec95f06 ("crypto: inside-secure - remove request list to improve performance")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Antoine Tenart <antoine.tenart@bootlin.com>
Good catch, thanks!
Antoine
> ---
> drivers/crypto/inside-secure/safexcel.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
> index 86c699c1..bc6c5cb 100644
> --- a/drivers/crypto/inside-secure/safexcel.c
> +++ b/drivers/crypto/inside-secure/safexcel.c
> @@ -1066,7 +1066,7 @@ static int safexcel_probe(struct platform_device *pdev)
>
> priv->ring[i].rdr_req = devm_kcalloc(dev,
> EIP197_DEFAULT_RING_SIZE,
> - sizeof(priv->ring[i].rdr_req),
> + sizeof(*priv->ring[i].rdr_req),
> GFP_KERNEL);
> if (!priv->ring[i].rdr_req) {
> ret = -ENOMEM;
> --
> 2.7.4
>
--
Antoine Ténart, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
prev parent reply other threads:[~2018-10-10 13:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-08 19:17 [PATCH] crypto: inside-secure: safexcel - fix memory allocation Gustavo A. R. Silva
2018-10-08 22:20 ` Kees Cook
2018-10-16 19:44 ` Gustavo A. R. Silva
2018-10-17 6:17 ` Herbert Xu
2018-10-17 7:20 ` Antoine Tenart
2018-10-17 14:41 ` Gustavo A. R. Silva
2018-10-17 18:23 ` Kees Cook
2018-10-18 6:24 ` Gustavo A. R. Silva
2018-10-10 13:55 ` Antoine Tenart [this message]
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