[{"id":1765340,"web_url":"http://patchwork.ozlabs.org/comment/1765340/","msgid":"<7c5cc7fd-cd79-acaf-9e5c-fe4728481b57@redhat.com>","list_archive_url":null,"date":"2017-09-08T13:12:54","subject":"Re: [Qemu-devel] [PATCHv6 3/5] seccomp: add elevateprivileges\n\targument to command line","submitter":{"id":66152,"url":"http://patchwork.ozlabs.org/api/people/66152/","name":"Thomas Huth","email":"thuth@redhat.com"},"content":"On 08.09.2017 13:44, Eduardo Otubo wrote:\n> This patch introduces the new argument\n> [,elevateprivileges=allow|deny|children] to the `-sandbox on'. It allows\n> or denies Qemu process to elevate its privileges by blacklisting all\n> set*uid|gid system calls. The 'children' option will let forks and\n> execves run unprivileged.\n> \n> Signed-off-by: Eduardo Otubo \n> ---\n> include/sysemu/seccomp.h | 1 +\n> qemu-options.hx | 12 +++++++++---\n> qemu-seccomp.c | 11 +++++++++++\n> vl.c | 27 +++++++++++++++++++++++++++\n> 4 files changed, 48 insertions(+), 3 deletions(-)\n\nReviewed-by: Thomas Huth ","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=)","ext-mx07.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx07.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=thuth@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xpd6v1yLWz9ryk\n\tfor ;\n\tFri, 8 Sep 2017 23:13:27 +1000 (AEST)","from localhost ([::1]:45413 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dqJ65-0007Hk-Dn\n\tfor incoming@patchwork.ozlabs.org; Fri, 08 Sep 2017 09:13:25 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:58077)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dqJ5m-0007Hb-AR\n\tfor qemu-devel@nongnu.org; Fri, 08 Sep 2017 09:13:07 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dqJ5g-00070O-Pg\n\tfor qemu-devel@nongnu.org; Fri, 08 Sep 2017 09:13:06 -0400","from mx1.redhat.com ([209.132.183.28]:50464)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from ) id 1dqJ5g-0006zM-JK\n\tfor qemu-devel@nongnu.org; Fri, 08 Sep 2017 09:13:00 -0400","from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id B40FBC047B68\n\tfor ; Fri, 8 Sep 2017 13:12:59 +0000 (UTC)","from [10.36.116.21] (ovpn-116-21.ams2.redhat.com [10.36.116.21])\n\tby smtp.corp.redhat.com (Postfix) with ESMTPS id DD7B8600C2;\n\tFri, 8 Sep 2017 13:12:56 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com B40FBC047B68","To":"Eduardo Otubo , qemu-devel@nongnu.org","References":"<20170908114407.25906-1-otubo@redhat.com>\n\t<20170908114407.25906-4-otubo@redhat.com>","From":"Thomas Huth ","Message-ID":"<7c5cc7fd-cd79-acaf-9e5c-fe4728481b57@redhat.com>","Date":"Fri, 8 Sep 2017 15:12:54 +0200","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.3.0","MIME-Version":"1.0","In-Reply-To":"<20170908114407.25906-4-otubo@redhat.com>","Content-Type":"text/plain; charset=utf-8","Content-Language":"en-US","Content-Transfer-Encoding":"7bit","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.11","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.31]);\n\tFri, 08 Sep 2017 13:12:59 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"Re: [Qemu-devel] [PATCHv6 3/5] seccomp: add elevateprivileges\n\targument to command line","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"}},{"id":1768694,"web_url":"http://patchwork.ozlabs.org/comment/1768694/","msgid":"<20170914155114.GE11763@redhat.com>","list_archive_url":null,"date":"2017-09-14T15:51:14","subject":"Re: [Qemu-devel] [PATCHv6 3/5] seccomp: add elevateprivileges\n\targument to command line","submitter":{"id":2694,"url":"http://patchwork.ozlabs.org/api/people/2694/","name":"Daniel P. Berrangé","email":"berrange@redhat.com"},"content":"On Fri, Sep 08, 2017 at 01:44:05PM +0200, Eduardo Otubo wrote:\n> This patch introduces the new argument\n> [,elevateprivileges=allow|deny|children] to the `-sandbox on'. It allows\n> or denies Qemu process to elevate its privileges by blacklisting all\n> set*uid|gid system calls. The 'children' option will let forks and\n> execves run unprivileged.\n> \n> Signed-off-by: Eduardo Otubo \n> ---\n> include/sysemu/seccomp.h | 1 +\n> qemu-options.hx | 12 +++++++++---\n> qemu-seccomp.c | 11 +++++++++++\n> vl.c | 27 +++++++++++++++++++++++++++\n> 4 files changed, 48 insertions(+), 3 deletions(-)\n\nReviewed-by: Daniel P. Berrange \n\n\nRegards,\nDaniel","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=)","ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=berrange@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xtNM16TC7z9s7C\n\tfor ;\n\tFri, 15 Sep 2017 01:51:57 +1000 (AEST)","from localhost ([::1]:48560 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dsWQl-0006Is-Uz\n\tfor incoming@patchwork.ozlabs.org; Thu, 14 Sep 2017 11:51:55 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:59379)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dsWQE-0006HG-Qh\n\tfor qemu-devel@nongnu.org; Thu, 14 Sep 2017 11:51:23 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dsWQD-0002Ox-Tv\n\tfor qemu-devel@nongnu.org; Thu, 14 Sep 2017 11:51:22 -0400","from mx1.redhat.com ([209.132.183.28]:41684)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from ) id 1dsWQD-0002Nr-Nf\n\tfor qemu-devel@nongnu.org; Thu, 14 Sep 2017 11:51:21 -0400","from smtp.corp.redhat.com\n\t(int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id ACCA9883C4\n\tfor ; Thu, 14 Sep 2017 15:51:20 +0000 (UTC)","from redhat.com (ovpn-116-81.ams2.redhat.com [10.36.116.81])\n\tby smtp.corp.redhat.com (Postfix) with ESMTPS id 5B70D5D9C1;\n\tThu, 14 Sep 2017 15:51:16 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com ACCA9883C4","Date":"Thu, 14 Sep 2017 16:51:14 +0100","From":"\"Daniel P. Berrange\" ","To":"Eduardo Otubo ","Message-ID":"<20170914155114.GE11763@redhat.com>","References":"<20170908114407.25906-1-otubo@redhat.com>\n\t<20170908114407.25906-4-otubo@redhat.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20170908114407.25906-4-otubo@redhat.com>","User-Agent":"Mutt/1.8.3 (2017-05-23)","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.14","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.26]);\n\tThu, 14 Sep 2017 15:51:20 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"Re: [Qemu-devel] [PATCHv6 3/5] seccomp: add elevateprivileges\n\targument to command line","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Reply-To":"\"Daniel P. 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