From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161652AbeBNSCF (ORCPT ); Wed, 14 Feb 2018 13:02:05 -0500 Received: from mout.kundenserver.de ([212.227.126.187]:54423 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161544AbeBNSCD (ORCPT ); Wed, 14 Feb 2018 13:02:03 -0500 Subject: Re: plan9 semantics on Linux - mount namespaces To: Richard Weinberger Cc: Aleksa Sarai , Linux Containers , "linux-kernel@vger.kernel.org" References: <0f058286-a432-379b-f559-f2fe713807ab@metux.net> <60748622.exvCVAzLTp@blindfold> <4042675.OEy7g9C5ya@blindfold> From: Enrico Weigelt Organization: metux IT consult Message-ID: <794929ce-0ecb-4c93-d51e-e94fcf749cfa@metux.net> Date: Wed, 14 Feb 2018 19:01:52 +0100 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <4042675.OEy7g9C5ya@blindfold> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:ve0gzImg7RMLEg6fPs1Ba4ZqeeFqMZZWF3io84BRaJkpo16ExVm jeamxS0jMUQaX3OgIscQeLhLm/N7qJc2SXNaXq42N/pL7ulH78xGgDJvSGR4u7WwFci9bJQ hdtq324nfjKR1Bvb5uCV0GLIKpbUpG0pWzZlXA9qKjdpQD4QBKHM0CmML60ItgT82Mlnwqx er3fzZDHN92Ym9QhtmEBA== X-UI-Out-Filterresults: notjunk:1;V01:K0:mkujkgM84l0=:HB0YthkJeeX6/OqkojD8mF Ibv/VS3MWFa3OQbLKdTx8+y8HzIPhQcj4EPOQ3j91GibRDA4L0CtvjlKdEVCVHIeKOoypEh9A OOhaiYEDgpP+qJlZ8t2MkYWBx7mAb5TjXxs8cRX5xC/CpNMFinr/w0sDVndblYwTpePHL4vFO z2dJRXobhScQjXeRE6nCgiyHlvNg+5rUhLW8QCgxPjR1x/JGtKGnJCnZ9vYoaaFYIB7TqZEes XrjMQgXh5ien7q2QvaPpeDkIsmR/5/eqPXRDuUHaoCrsx5+1kT/0KgVceZK6I4TbNZEqdtCQd odt9v2Ufu40w/RaVqpRCr5jdIBsDclAScCIDI114+164NTsUY1JxIEryceRkzxjR/nBmr+pPl RDJho/7Y0CmvDVqT/x5dX8DgXn2EBMmncNQGFgHbeCVprwW2uYT+4tNkhHi8zv9YexrlEQL8G M1Ru4a/kQk5S1DrMSD/UAaLAGVyMasQQyu3vLoZ17wbLRbSZ5bqhkX3Y0utLXsCRSJKcVmo0S qlDqERoYlJnGsWvhXU6l/NIZB0dLwu7U9d3fzqxUV3Bpbv2xoXMQY+UXbC55o1H7NFukBNXiT NAK6LKTBuMen6Mv/GI/gIu68+TPqAQvYRJuITtjhCQ5/3gjvv13csQk2eD8y4579cG9CklwzG oEzi6pHe1V5mTo6MAHwL2t0TJjHSfOYVFeRvgYGPaZPSvsSWoXSUe/bc9vGbd+hKT2VgwHK9H MThNovyrKLIwEuxt/4o2sOI0ko+Tbwc8xbjqr5g7jcniMY9GiManUjKnVvs= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14.02.2018 18:50, Richard Weinberger wrote: >> hmm, now it works, but only when strace'ing it. >> that's really strange. > > On my box, with my patch applied, also busybox works now. hmm, w/o strace, too ? Which version are you using ? I've got 1.27.2 >> But still I wonder whether user_ns really solves my problem, as I don't >> want to create sandboxed users, but only private namespaces just like >> on Plan9. > > Well, I'd be surprised if that works out of the box. > Since you're posting on LKML I assumed you're hacking the kernel to support > plan9-alike namespaces... Yes, that's the plan :) --mtx -- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering info@metux.net -- +49-151-27565287