From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2 ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id 2CozH7lUTmBFHAAA0tVLHw (envelope-from ) for ; Sun, 14 Mar 2021 18:23:53 +0000 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2 with LMTPS id IGvrGrlUTmDHfQAAB5/wlQ (envelope-from ) for ; Sun, 14 Mar 2021 18:23:53 +0000 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id EC3852422B for ; Sun, 14 Mar 2021 19:23:52 +0100 (CET) Received: from localhost ([::1]:56536 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lLVP6-0006Tw-3R for larch@yhetil.org; Sun, 14 Mar 2021 14:23:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49730) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lLV7q-0007R1-CV for bug-guix@gnu.org; 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dkim=fail ("headers rsa verify failed") header.d=tugraz.at header.s=mailrelay header.b=rbw8RjU0; dmarc=fail reason="SPF not aligned (relaxed)" header.from=student.tugraz.at (policy=none); spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: EC3852422B X-Spam-Score: -1.30 X-Migadu-Scanner: scn0.migadu.com X-TUID: jxvjRU6BOAe5 Hi again³ Am Sonntag, den 14.03.2021, 18:45 +0100 schrieb Bengt Richter: > Hi again^2, > > Maybe > pstree -at > would show a little more? sh |-dbus-daemon --syslog-only --fork --print-pid 5 --print-address 7 --sess |-dbus-launch --autolaunch=fa7a4d52637958ddd37547bb5d8bd9d2--binary- synt `-screen `-screen |-sh | `-.epiphany-real | |-WebKitNetworkPr 3 21 | | |-{BMScavenger} | | |-{ReceiveQueue} | | |-{StorageTask} | | |-{Storage} | | |-{WebStorage} | | |-{background} | | |-{dconf worker} | | |-{erialBackground} | | |-{gdbus} | | `-{gmain} | |-bwrap --args 37 -- /gnu/store/hqhxgw0i8xh38h6kwmyrkywcd24q5f1z-webk | | `-bwrap --args 37 -- /gnu/store/hqhxgw0i8xh38h6kwmyrkywcd24q5f1z-webk | | `-WebKitWebProces 1277 28 | |-{.epiphany-real} | |-{BMScavenger} | |-{HashSaltStorage} | |-{IconDatabase} | |-{PressureMonitor} | |-2*[{ReceiveQueue}] | |-{dconf worker} | |-{e Compile Queue} | |-{ebsiteDataStore} | |-{gdbus} | |-{gmain} | |-{re Remove Queue} | `-{tore Read Queue} `-sh `-pstree -at > Also, > ls -lr /sys/class/drm total 0 -r--r--r-- 1 65534 overflow 4096 Mar 14 17:59 version lrwxrwxrwx 1 65534 overflow 0 Mar 14 17:58 ttm -> ../../devices/virtual/drm/ttm lrwxrwxrwx 1 65534 overflow 0 Mar 14 17:59 renderD128 -> ../../devices/pci0000:00/0000:00:02.0/0000:01:00.0/drm/renderD128 lrwxrwxrwx 1 65534 overflow 0 Mar 14 17:59 card0-VGA-1 -> ../../devices/pci0000:00/0000:00:02.0/0000:01:00.0/drm/card0/card0-VGA- 1 lrwxrwxrwx 1 65534 overflow 0 Mar 14 17:59 card0-HDMI-A-1 -> ../../devices/pci0000:00/0000:00:02.0/0000:01:00.0/drm/card0/card0- HDMI-A-1 lrwxrwxrwx 1 65534 overflow 0 Mar 14 17:58 card0-DVI-D-1 -> ../../devices/pci0000:00/0000:00:02.0/0000:01:00.0/drm/card0/card0-DVI- D-1 lrwxrwxrwx 1 65534 overflow 0 Mar 14 17:58 card0 -> ../../devices/pci0000:00/0000:00:02.0/0000:01:00.0/drm/card0 > if that's accessible -- I'm wondering if the version of screen > in the container is built with libdrm and is bypassing X or ?? I doubt it is being built differently than screen normally is. > Do you have a makefile or a guix something.scm defining > what's built/packed into your container? Nah, it's a rather ad-hoc definition grown from what should be an Eolie container from the cookbook (also refer to #47097). guix environment --preserve='^DISPLAY$' --preserve=XAUTHORITY \ --preserve=TERM \ --expose=$XAUTHORITY \ --expose=/etc/machine-id \ --expose=/etc/ssl/certs/ \ --expose=/sys/block --expose=/sys/class --expose=/sys/bus \ --expose=/sys/dev --expose=/sys/devices \ --ad-hoc epiphany nss-certs dbus procps coreutils psmisc screen Given that I expose most of /sys explicitly, you should take the above with a grain of salt. > Sorry if my curiosity is making work for you, but I'd like to > try containers down the road -- tho right now I'm taking a break > from events IRL, so I may disappear for a while... I'm not personally impacted by this bug or anything, it's much rather a follow-up to my attempted fix of #47097. I think there might be some flaw in trying to run a sandbox inside a sandbox (like bubblewrap inside `guix container`), that doesn't actually improve security in any meaningful way. Regards, Leo