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[85.214.156.166]) by gmr-mx.google.com with ESMTPS id 4fb4d7f45d1cf-6a59dfe6b79si47176a12.1.2026.08.24.02.44.16 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 24 Aug 2026 02:44:16 -0700 (PDT) Received-SPF: pass (google.com: domain of wzh@ilbers.de designates 85.214.156.166 as permitted sender) client-ip=85.214.156.166; Received: from [192.168.178.139] ([88.130.203.42]) (authenticated bits=0) by shymkent.ilbers.de (8.15.2/8.15.2/Debian-8+deb9u1) with ESMTPSA id 67O9iGG5002807 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 24 Aug 2026 11:44:16 +0200 Message-ID: <24a90ea3-57c4-4012-b779-d4d0cd5a0d60@ilbers.de> Date: Mon, 24 Aug 2026 11:44:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/1] fix(rootfs): create dev fd links under rootless To: Felix Moessbauer , isar-users@googlegroups.com References: <20260819114328.759528-1-felix.moessbauer@siemens.com> Content-Language: en-US From: Zhihang Wei In-Reply-To: <20260819114328.759528-1-felix.moessbauer@siemens.com> Content-Type: text/plain; charset="UTF-8"; format=flowed X-Spam-Status: No, score=-4.6 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,RCVD_IN_RP_CERTIFIED,RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-Original-Sender: wzh@ilbers.de X-Original-Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of wzh@ilbers.de designates 85.214.156.166 as permitted sender) smtp.mailfrom=wzh@ilbers.de Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-TUID: WR9oTOB9F8cz Applied to next, thanks. Zhihang On 8/19/26 13:43, 'Felix Moessbauer' via isar-users wrote: > The /dev/std{in,out.err} and /dev/fd entries are links into proc. While > these are not explicitly required by any Debian policy, mmdebstrap > creates them and they are used when installing systemd units under dracut. > > We only observed warnings regarding the missing entries, but no issues > so far. Nonetheless, we now create them on-the-fly to behave similar to > mmdebstrap. > > Fixes: 4fedb1ae ("add support for fully rootless builds") > Signed-off-by: Felix Moessbauer > --- > meta/classes-global/base.bbclass | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/meta/classes-global/base.bbclass b/meta/classes-global/base.bbclass > index f074eee6..e2fc77dc 100644 > --- a/meta/classes-global/base.bbclass > +++ b/meta/classes-global/base.bbclass > @@ -401,6 +401,10 @@ def insert_isar_mounts(d, rootfs, mounts): > lines.append('mount -o bind /dev/random {}/dev/random'.format(rootfs)) > lines.append('mount -o bind /dev/urandom {}/dev/urandom'.format(rootfs)) > lines.append('mount -t proc none {}/proc'.format(rootfs)) > + lines.append('ln -sfn /proc/self/fd {}/dev/fd'.format(rootfs)) > + lines.append('ln -sfn /proc/self/fd/0 {}/dev/stdin'.format(rootfs)) > + lines.append('ln -sfn /proc/self/fd/1 {}/dev/stdout'.format(rootfs)) > + lines.append('ln -sfn /proc/self/fd/2 {}/dev/stderr'.format(rootfs)) > # we do not unshare the network namespace, so we cannot create a sysfs, hence bind-mount > lines.append('mount -o rbind /sys {}/sys'.format(rootfs)) > > @@ -417,7 +421,8 @@ def insert_isar_umounts(d, rootfs, mounts): > remove the mountpoints. > """ > lines = [] > - to_unlink = ['/dev/null', '/dev/random', '/dev/urandom', '/dev/ptmx'] > + to_unlink = ['/dev/null', '/dev/random', '/dev/urandom', '/dev/ptmx', > + '/dev/stdin', '/dev/stdout', '/dev/stderr', '/dev/fd'] > to_rmdir = ['/dev/pts', '/dev/shm'] > if d.getVar('ISAR_CHROOT_MODE') == 'unshare': > lines.append('rm -f ' + ' '.join(['{}/{}'.format(rootfs, f) for f in to_unlink])) -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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