On Tuesday, September 21 2021, Matt Thalman wrote:

> Client:
>  Version:           20.10.7
>  API version:       1.41
>  Go version:        go1.16.4
>  Git commit:        f0df35096d5f5e6b559b42c7fde6c65a2909f7c5
>  Built:             Sat Sep 11 15:09:09 2021
>  OS/Arch:           linux/arm64
>  Context:           default
>  Experimental:      true
>
> Server: Docker Engine - Community
>  Engine:
>   Version:          20.10.8
>   API version:      1.41 (minimum version 1.12)
>   Go version:       go1.16.6
>   Git commit:       75249d8
>   Built:            Fri Jul 30 19:53:13 2021
>   OS/Arch:          linux/arm64
>   Experimental:     false
>  containerd:
>   Version:          1.4.9
>   GitCommit:        e25210fe30a0a703442421b0f60afac609f950a3
>  runc:
>   Version:          1.0.1
>   GitCommit:        v1.0.1-0-g4144b63
>  docker-init:
>   Version:          0.19.0
>   GitCommit:        de40ad0

I don't have time to try to reproduce right now, but as mwhudson said it
doesn't look like you're using the Ubuntu docker.io package.  The first
thing that caught my attention is the Go version used to build the
package: we use Go 1.13, whereas you used Go 1.16.  The other suspicious
thing is the GitCommit field, which should contain our tags (for example
"20.10.7-0ubuntu1~20.04.1" on Focal).

Are you using Ubuntu on the host?  Perhaps your comment was made because
you're experiencing this error with the Ubuntu docker image, but bear in
mind that this bug is about the docker.io/runc/containerd packages that
run on the Ubuntu host.

Thanks,

-- 
Sergio
GPG key ID: E92F D0B3 6B14 F1F4 D8E0  EB2F 106D A1C8 C3CB BF14

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Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1916485

Title:
  test -x fails inside shell scripts in containers

Status in Ubuntu on IBM z Systems:
  New
Status in docker.io package in Ubuntu:
  Invalid
Status in glibc package in Ubuntu:
  Opinion
Status in libseccomp package in Ubuntu:
  Fix Committed
Status in runc package in Ubuntu:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released
Status in docker.io source package in Xenial:
  New
Status in libseccomp source package in Xenial:
  New
Status in runc source package in Xenial:
  New
Status in systemd source package in Xenial:
  Invalid
Status in docker.io source package in Bionic:
  New
Status in libseccomp source package in Bionic:
  New
Status in runc source package in Bionic:
  Fix Released
Status in systemd source package in Bionic:
  Fix Released
Status in docker.io source package in Focal:
  New
Status in libseccomp source package in Focal:
  New
Status in runc source package in Focal:
  Fix Released
Status in systemd source package in Focal:
  Fix Released
Status in docker.io source package in Groovy:
  Won't Fix
Status in libseccomp source package in Groovy:
  Won't Fix
Status in runc source package in Groovy:
  Fix Released
Status in systemd source package in Groovy:
  Fix Released
Status in docker.io source package in Hirsute:
  New
Status in libseccomp source package in Hirsute:
  Fix Committed
Status in runc source package in Hirsute:
  Fix Released
Status in systemd source package in Hirsute:
  Fix Released
Status in systemd package in Debian:
  Fix Released

Bug description:
  (SRU template for systemd)

  [impact]

  bash (and some other shells) builtin test command -x operation fails

  [test case]

  on any affected host system, start nspawn container, e.g.:

  $ sudo apt install systemd-container
  $ wget 
https://cloud-images.ubuntu.com/hirsute/current/hirsute-server-cloudimg-amd64-root.tar.xz
  $ mkdir h
  $ cd h
  $ sudo tar xvf ../hirsute-server-cloudimg-amd64-root.tar.xz
  $ sudo systemd-nspawn

  Then from a bash shell, verify if test -x works:

  root@h:~# ls -l /usr/bin/gpg
  -rwxr-xr-x 1 1000 1000 1083472 Jan 16 09:53 /usr/bin/gpg
  root@h:~# test -x /usr/bin/gpg || echo "fail"
  fail

  [regression potential]

  any regression would likely occur during a syscall, most likely
  faccessat2(), or during other syscalls.

  [scope]

  this is needed for b/f

  this is fixed upstream by commit
  bcf08acbffdee0d6360d3c31d268e73d0623e5dc which is in 247 and later, so
  this is fixed in h

  this was pulled into Debian at version 246.2 in commit
  e80c5e5371ab77792bae94e0f8c5e85a4237e6eb, so this is fixed in g

  in x, the entire systemd seccomp code is completely different and the
  patch doesn't apply, nor does it appear to be needed, as the problem
  doesn't reproduce in a h container under x.

  [other info]

  this needs fixing in libseccomp as well

  [original description]

  glibc regression causes test -x to fail inside scripts inside
  docker/podman, dash and bash are broken, mksh and zsh are fine:

  root@0df2ce5d7a46:/# test -x /usr/bin/gpg || echo Fail
  root@0df2ce5d7a46:/# dash -c "test -x /usr/bin/gpg || echo Fail"
  Fail
  root@0df2ce5d7a46:/# bash -c "test -x /usr/bin/gpg || echo Fail"
  Fail
  root@0df2ce5d7a46:/# mksh -c "test -x /usr/bin/gpg || echo Fail"
  root@0df2ce5d7a46:/# zsh -c "test -x /usr/bin/gpg || echo Fail"
  root@0df2ce5d7a46:/#

  root@0df2ce5d7a46:/# zsh -c "[ -x /usr/bin/gpg ] || echo Fail"
  root@0df2ce5d7a46:/# mksh -c "[ -x /usr/bin/gpg ] || echo Fail"
  root@0df2ce5d7a46:/# dash -c "[ -x /usr/bin/gpg ] || echo Fail"
  Fail
  root@0df2ce5d7a46:/# bash -c "[ -x /usr/bin/gpg ] || echo Fail"
  Fail

  The -f flag works, as does /usr/bin/test:
  # bash -c "test -f /usr/bin/gpg  || echo Fail"
  # bash -c "/usr/bin/test -x /usr/bin/gpg  || echo Fail"
  #

  [Original bug report]
  root@84b750e443f8:/# lsb_release -rd
  Description:  Ubuntu Hirsute Hippo (development branch)
  Release:      21.04
  root@84b750e443f8:/# dpkg -l gnupg apt
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name           Version         Architecture Description
  
+++-==============-===============-============-==========================================
  ii  apt            2.1.20          amd64        commandline package manager
  ii  gnupg          2.2.20-1ubuntu2 all          GNU privacy guard - a free 
PGP replacement

  Hi,
  for 3 days our CI pipelines to recreate Docker images fails for the Hirsute 
images. From comparison this seems to be caused by apt 2.1.20.

  The build fails with:

  0E: gnupg, gnupg2 and unupg1 do not seem to be installed, but one of
  them is required for this operation

  The simple Dockerfile to reproduce the error - "docker build -t foo ."

  FROM amd64/ubuntu:hirsute
  MAINTAINER Florian Lohoff <f...@zz.de>

  USER root

  RUN apt-get update \
   && DEBIAN_FRONTEND=noninteractive apt-get -y install curl gnupg apt \
    && curl https://syncthing.net/release-key.txt | apt-key add -

  Breaking it down it this seems to be an issue that there is new
  functionality in apt/apt-key e.g. security hardening that docker
  prohibits in its containers. Running this manually works only in an
  --privileged container.

  So adding keys in unpriviledged container or possibly kubernetes will
  not work anymore.

  Flo

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