linux-kernel - Re: [PATCH 3/3] crypto: Fix leak of struct aead_request in test_aead

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Message-ID: <1398273966.2970.55.camel@schen9-DESK>
Date:	Wed, 23 Apr 2014 10:26:06 -0700
From:	Tim Chen <tim.c.chen@...ux.intel.com>
To:	Christian Engelmayer <cengelma@....at>
Cc:	herbert@...dor.apana.org.au, davem@...emloft.net,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] crypto: Fix leak of struct aead_request in
 test_aead_speed()

On Mon, 2014-04-21 at 20:47 +0200, Christian Engelmayer wrote:
> Fix leakage of memory for struct aead_request that is allocated via
> aead_request_alloc() but not released via aead_request_free().
> Reported by Coverity - CID 1163869.
> 
> Signed-off-by: Christian Engelmayer <cengelma@....at>

Acked.  Thanks for fixing the leak.

Tim

> ---
>  crypto/tcrypt.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
> index 1849155..09c93ff2 100644
> --- a/crypto/tcrypt.c
> +++ b/crypto/tcrypt.c
> @@ -320,7 +320,7 @@ static void test_aead_speed(const char *algo, int enc, unsigned int sec,
>  	if (!req) {
>  		pr_err("alg: aead: Failed to allocate request for %s\n",
>  		       algo);
> -		goto out;
> +		goto out_noreq;
>  	}
>  
>  	i = 0;
> @@ -390,6 +390,8 @@ static void test_aead_speed(const char *algo, int enc, unsigned int sec,
>  	} while (*keysize);
>  
>  out:
> +	aead_request_free(req);
> +out_noreq:
>  	crypto_free_aead(tfm);
>  out_notfm:
>  	kfree(sg);


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