linux-kernel - Re: named + capset = EPERM [Was: 2.6.24-rc3-mm2]

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Message-ID: <474F438D.7080109@gmail.com>
Date:	Thu, 29 Nov 2007 23:56:13 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
CC:	Casey Schaufler <casey@...aufler-ca.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	"Andrew G. Morgan" <morgan@...nel.org>
Subject: Re: named + capset = EPERM [Was: 2.6.24-rc3-mm2]

On 11/29/2007 01:17 AM, Serge E. Hallyn wrote:
> From 70d5da610fdbd66a36886c01e27b7fb11d2de044 Mon Sep 17 00:00:00 2001
> From: sergeh@...ibm.com <hallyn@...nel.(none)>
> Date: Wed, 28 Nov 2007 16:16:23 -0800
> Subject: [PATCH 1/1] capabilities: correct logic at capset_check
> 
> Fix typo at capset_check introduced with capability bounding set
> patch.
> 
> Signed-off-by: sergeh@...ibm.com <hallyn@...nel.(none)>

Tested-by: Jiri Slaby <jirislaby@...il.com>

> ---
>  security/commoncap.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/security/commoncap.c b/security/commoncap.c
> index c25ad09..503e958 100644
> --- a/security/commoncap.c
> +++ b/security/commoncap.c
> @@ -119,7 +119,7 @@ int cap_capset_check (struct task_struct *target, kernel_cap_t *effective,
>  		/* incapable of using this inheritable set */
>  		return -EPERM;
>  	}
> -	if (!!cap_issubset(*inheritable,
> +	if (!cap_issubset(*inheritable,
>  			   cap_combine(target->cap_inheritable,
>  				       current->cap_bset))) {
>  		/* no new pI capabilities outside bounding set */

Thanks.
-
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