From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S932065Ab3KVONV (ORCPT <rfc822;w@1wt.eu>);
	Fri, 22 Nov 2013 09:13:21 -0500
Received: from e06smtp18.uk.ibm.com ([195.75.94.114]:59016 "EHLO
	e06smtp18.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1755339Ab3KVONT (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Fri, 22 Nov 2013 09:13:19 -0500
Date: Fri, 22 Nov 2013 15:13:14 +0100
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Roberto Sassu <roberto.sassu@polito.it>
Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [BUG] 3ce1217d6cd5 ima patch causes s390 to crash on boot
Message-ID: <20131122141314.GC4208@osiris>
References: <20131122114819.GB4208@osiris>
 <528F5C01.8020304@polito.it>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <528F5C01.8020304@polito.it>
User-Agent: Mutt/1.5.21 (2010-09-15)
X-TM-AS-MML: disable
X-Content-Scanned: Fidelis XPS MAILER
x-cbid: 13112214-6892-0000-0000-000006FBAA48
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Fri, Nov 22, 2013 at 02:28:33PM +0100, Roberto Sassu wrote:
> On 11/22/2013 12:48 PM, Heiko Carstens wrote:
> >Hi Roberto,
> >
> >your patch 3ce1217d6cd5 "ima: define template fields library and new helpers"
> >causes s390 to crash on boot:
> >
> 
> Hi Heiko
> 
> thanks for the information. I think this issue is related to the error
> detected by the kbuild test robot. Please, try to apply the attached
> patch to see if it solves the problem.

No, the patch doesn't fix the problem.

> From: Fengguang Wu <fengguang.wu@intel.com>
> Subject: [PATCH] ima: fix coccinelle warnings
> TO: Mimi Zohar <zohar@linux.vnet.ibm.com>
> CC: Roberto Sassu <roberto.sassu@polito.it>
> CC: linux-kernel@vger.kernel.org 
> 
> security/integrity/ima/ima_template.c:62:41-47: ERROR: application of sizeof to pointer
> 
>  sizeof when applied to a pointer typed expression gives the size of
>  the pointer
> 
> Generated by: coccinelle/misc/noderef.cocci
> 
> CC: Roberto Sassu <roberto.sassu@polito.it>
> CC: Mimi Zohar <zohar@linux.vnet.ibm.com>
> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
> ---
> 
>  cocci-output-13142-271b5e-ima_template.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/security/integrity/ima/ima_template.c
> +++ b/security/integrity/ima/ima_template.c
> @@ -59,7 +59,7 @@ static int template_desc_init_fields(cha
>  	if (template_num_fields > IMA_TEMPLATE_NUM_FIELDS_MAX)
>  		return -EINVAL;
> 
> -	*fields = kzalloc(template_num_fields * sizeof(*fields), GFP_KERNEL);
> +	*fields = kzalloc(template_num_fields * sizeof(**fields), GFP_KERNEL);
>  	if (*fields == NULL) {
>  		result = -ENOMEM;
>  		goto out;