Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751707AbZI1Fwb (ORCPT ); Mon, 28 Sep 2009 01:52:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751390AbZI1Fw3 (ORCPT ); Mon, 28 Sep 2009 01:52:29 -0400 Received: from smtp-vbr4.xs4all.nl ([194.109.24.24]:1836 "EHLO smtp-vbr4.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751349AbZI1Fw2 (ORCPT ); Mon, 28 Sep 2009 01:52:28 -0400 X-Greylist: delayed 814 seconds by postgrey-1.27 at vger.kernel.org; Mon, 28 Sep 2009 01:52:28 EDT Message-ID: In-Reply-To: <20090926213528.GB23564@c.hsd1.tn.comcast.net> References: <20090923005644.GA28244@c.hsd1.tn.comcast.net> <20090923213109.GA936@c.hsd1.tn.comcast.net> <4ABB9D6D.8000607@schaufler-ca.com> <20090925100630.GD10098@c.hsd1.tn.comcast.net> <4ABCEE71.6060703@schaufler-ca.com> <20090926213528.GB23564@c.hsd1.tn.comcast.net> Date: Mon, 28 Sep 2009 07:38:55 +0200 Subject: Re: [RFC][PATCH] Privilege dropping security module From: "Rob Meijer" To: "Andy Spencer" Cc: "Casey Schaufler" , linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Reply-To: rmeijer@xs4all.nl User-Agent: SquirrelMail/1.4.18 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1035 Lines: 25 On Sat, September 26, 2009 23:35, Andy Spencer wrote: >> It's amazing who much of this stuff there is to attend to. If you >> haven't, run checkpatch.py on your patches. You'll need to pass that >> eventually. > > I've fixed the remaining things that checkpatch.pl suggests as well as a > few others and will include those checks for future patches. > > >> Hmm. You are working with the Linux DAC mechanism, even if only within >> a process tree. You're not dropping privilege, you're applying a mask >> to the file permission bits, currently for file system objects, and >> with other objects (sysvipc at least) in the future. Hmm. modemask? >> Something derived from "restricted process tree?" > > `Access Control Masking' or `Policy Masking' perhaps? > Or 'Permission Attenuation' ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/