On Mon, Oct 8, 2018 at 12:17 PM, Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Luckily, this results in the same size, since it's still a pointer:
struct crypto_async_request **rdr_req;
But yes, it should be fixed.
-Kees
> ---
> 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
>
--
Kees Cook
Pixel Security
