Re: [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input

[Herbert Xu]

On Wed, May 15, 2019 at 02:25:45PM +0300, Iuliana Prodan wrote:
>
> @@ -1058,6 +1105,14 @@ static int __init caam_pkc_init(void)
>  		goto out_put_dev;
>  	}
>  
> +	/* allocate zero buffer, used for padding input */
> +	zero_buffer = kzalloc(CAAM_RSA_MAX_INPUT_SIZE - 1, GFP_DMA |
> +			      GFP_KERNEL);
> +	if (!zero_buffer) {
> +		err = -ENOMEM;
> +		goto out_put_dev;
> +	}
> +
>  	err = crypto_register_akcipher(&caam_rsa);
>  	if (err)
>  		dev_warn(ctrldev, "%s alg registration failed\n",

This patch does not apply on top of the caam patch-series from Horia.
You're also going to leak zero_buffer if crypto_register_akcipher
fails.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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