linux-kernel - Re: [PATCH v4] crypto: gcm - restrict assoclen for rfc4543

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Message-ID: <20190802040148.GA15907@gondor.apana.org.au>
Date:   Fri, 2 Aug 2019 14:01:48 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Iuliana Prodan <iuliana.prodan@....com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx <linux-imx@....com>
Subject: Re: [PATCH v4] crypto: gcm - restrict assoclen for rfc4543

On Tue, Jul 30, 2019 at 07:30:33PM +0300, Iuliana Prodan wrote:
>
> diff --git a/crypto/gcm.c b/crypto/gcm.c
> index 2f3b50f..8adf64f 100644
> --- a/crypto/gcm.c
> +++ b/crypto/gcm.c
> @@ -1034,12 +1034,14 @@ static int crypto_rfc4543_copy_src_to_dst(struct aead_request *req, bool enc)
>  
>  static int crypto_rfc4543_encrypt(struct aead_request *req)
>  {
> -	return crypto_rfc4543_crypt(req, true);
> +	return crypto_ipsec_check_assoclen(req->assoclen) ?:
> +			crypto_rfc4543_crypt(req, true);

Please align it like this:

	return crypto_ipsec_check_assoclen(req->assoclen) ?:
	       crypto_rfc4543_crypt(req, true);

as that's how everything else is aligned in crypto.

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