From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+willy=40w.ods.org-S1750802AbWDSSL7@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1750802AbWDSSL7 (ORCPT <rfc822;willy@w.ods.org>);
	Wed, 19 Apr 2006 14:11:59 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751028AbWDSSL7
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Wed, 19 Apr 2006 14:11:59 -0400
Received: from mx1.suse.de ([195.135.220.2]:32469 "EHLO mx1.suse.de")
	by vger.kernel.org with ESMTP id S1750947AbWDSSL6 (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 19 Apr 2006 14:11:58 -0400
Date: Wed, 19 Apr 2006 11:10:15 -0700
From: Greg KH <greg@kroah.com>
To: James Morris <jmorris@namei.org>
Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>,
       Christoph Hellwig <hch@infradead.org>, Andrew Morton <akpm@osdl.org>,
       Stephen Smalley <sds@tycho.nsa.gov>, T?r?k Edwin <edwin@gurde.com>,
       linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org,
       Chris Wright <chrisw@sous-sol.org>, Linus Torvalds <torvalds@osdl.org>
Subject: Re: Time to remove LSM (was Re: [RESEND][RFC][PATCH 2/7] implementation of LSM hooks)
Message-ID: <20060419181015.GC11091@kroah.com>
References: <200604142301.10188.edwin@gurde.com> <1145290013.8542.141.camel@moss-spartans.epoch.ncsc.mil> <20060417162345.GA9609@infradead.org> <1145293404.8542.190.camel@moss-spartans.epoch.ncsc.mil> <20060417173319.GA11506@infradead.org> <Pine.LNX.4.64.0604171454070.17563@d.namei> <20060417195146.GA8875@kroah.com> <Pine.LNX.4.61.0604191010300.12755@yvahk01.tjqt.qr> <20060419154011.GA26635@kroah.com> <Pine.LNX.4.64.0604191221100.4408@d.namei>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Pine.LNX.4.64.0604191221100.4408@d.namei>
User-Agent: Mutt/1.5.11
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Apr 19, 2006 at 12:33:24PM -0400, James Morris wrote:
> The LSM interface is also being abused by several proprietary kernel 
> modules, some of which are not even security related.  In one case, 
> there's code which dangerously revectors SELinux with a shim layer 
> designed to try and bypass the GPL.  Some of this is a response to 
> unexporting the syscall table, where projects which abused that have now 
> switched to LSM.

I agree that this is happening today.  Which makes me wonder, why is the
variable "security_ops" exported through "EXPORT_SYMBOL()" and not
"EXPORT_SYMBOL_GPL()"?  It seems that people are taking advantage of
this and changing it would help slow them down a bit.

Chris, would you take a patch to change this?

thanks,

greg k-h