linux-kernel - Re: [PATCH 01/16] crypto: prevent helper ciphers from being used

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Message-ID: <20150319071630.GA2902@gondor.apana.org.au>
Date:	Thu, 19 Mar 2015 18:16:30 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephan Mueller <smueller@...onox.de>
Cc:	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/16] crypto: prevent helper ciphers from being used

On Thu, Mar 19, 2015 at 07:57:36AM +0100, Stephan Mueller wrote:
>
> diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
> index db201bca..2cd83ad 100644
> --- a/crypto/ablkcipher.c
> +++ b/crypto/ablkcipher.c
> @@ -688,7 +688,7 @@ struct crypto_ablkcipher *crypto_alloc_ablkcipher(const char *alg_name,
>  			goto err;
>  		}
>  
> -		tfm = __crypto_alloc_tfm(alg, type, mask);
> +		tfm = __crypto_alloc_tfm_safe(alg, type, mask);

Rather than changing every algorithm type, I'd rather suggest
that you modify crypto_alg_mod_lookup so that it's kept in one
spot.  Just copy what we currently do for CRYPTO_ALG_TESTED.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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