Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965693AbXAYIM6 (ORCPT ); Thu, 25 Jan 2007 03:12:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965695AbXAYIM6 (ORCPT ); Thu, 25 Jan 2007 03:12:58 -0500 Received: from smtp.osdl.org ([65.172.181.24]:53449 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965693AbXAYIM5 (ORCPT ); Thu, 25 Jan 2007 03:12:57 -0500 Date: Thu, 25 Jan 2007 00:12:53 -0800 From: Andrew Morton To: "Serge E. Hallyn" Cc: "Eric W. Biederman" , lkml , containers@lists.osdl.org Subject: Re: [PATCH 7/8] user ns: handle file sigio Message-Id: <20070125001253.75f899d6.akpm@osdl.org> In-Reply-To: <20070124185845.GA597@sergelap.austin.ibm.com> References: <20061219225902.GA25904@sergelap.austin.ibm.com> <20061219230127.GH25904@sergelap.austin.ibm.com> <20070124185845.GA597@sergelap.austin.ibm.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 987 Lines: 26 On Wed, 24 Jan 2007 12:58:45 -0600 "Serge E. Hallyn" wrote: > > If we need to I can see doing something special if the process setting > > fown has CAP_KILL > > Obviously CAP_KILL is insufficient :) I assume you mean a new > CAP_XNS_CAP_KILL? > > > and bypassing the security checks that way, but > > hard coding rules like that when it doesn't appear we have any > > experience to indicate we need the extra functionality looks > > premature. > > Ok, in this case actually I suspect you're right and we can just ditch > the exception. But in general the security discussion is one we should > still have. People like security. Where do we now stand with this patch, and with "[PATCH 4/8] user ns: hook permission"? - 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/