Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752051Ab2E0THK (ORCPT ); Sun, 27 May 2012 15:07:10 -0400 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:38273 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751433Ab2E0THJ convert rfc822-to-8bit (ORCPT ); Sun, 27 May 2012 15:07:09 -0400 MIME-Version: 1.0 In-Reply-To: <87hav8vypc.fsf@xmission.com> References: <87hav8vypc.fsf@xmission.com> Date: Sun, 27 May 2012 21:07:07 +0200 Message-ID: Subject: Re: [GIT PULL] user namespace enhancements for Linux 3.5-rc1 From: richard -rw- weinberger To: "Eric W. Biederman" Cc: Linus Torvalds , linux-kernel@vger.kernel.org, "Serge E. Hallyn" , Linux Containers Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 694 Lines: 17 On Tue, May 22, 2012 at 8:48 PM, Eric W. Biederman wrote: > - Capabilities are localized to the current user namespace making it > ?safe to give the initial user in a user namespace all capabilities. Today I've tried your patch set, but it looks like a root-user in a Linux container is still able to use /proc/sysrq-trigger. Am I misunderstanding user namespaces or is there still something missing? -- Thanks, //richard -- 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/