[Bug 1943049] Autopkgtest regression report (docker.io/20.10.7-0ubuntu5~18.04.2)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted docker.io (20.10.7-0ubuntu5~18.04.2) for bionic have finished running.
The following regressions have been reported in tests triggered by the package:

ubuntu-fan/0.12.10 (amd64)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/bionic/update_excuses.html#docker.io

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/1943049

Title:
  Docker ubuntu:impish: Problem executing scripts DPkg::Post-Invoke 'rm
  -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb
  /var/cache/apt/*.bin || true'

Status in cloud-images:
  Confirmed
Status in containerd package in Ubuntu:
  Fix Released
Status in crun package in Ubuntu:
  Confirmed
Status in docker.io package in Ubuntu:
  Fix Released
Status in glibc package in Ubuntu:
  Confirmed
Status in golang-github-containers-common package in Ubuntu:
  Fix Released
Status in golang-github-opencontainers-specs package in Ubuntu:
  Fix Released
Status in libpod package in Ubuntu:
  Fix Released
Status in runc package in Ubuntu:
  Invalid
Status in containerd source package in Bionic:
  Fix Committed
Status in docker.io source package in Bionic:
  Fix Committed
Status in containerd source package in Focal:
  Fix Committed
Status in docker.io source package in Focal:
  Fix Committed
Status in containerd source package in Hirsute:
  Fix Committed
Status in docker.io source package in Hirsute:
  Fix Committed
Status in containerd source package in Impish:
  Fix Released
Status in crun source package in Impish:
  Confirmed
Status in docker.io source package in Impish:
  Fix Released
Status in glibc source package in Impish:
  Confirmed
Status in golang-github-containers-common source package in Impish:
  Fix Released
Status in golang-github-opencontainers-specs source package in Impish:
  Fix Released
Status in libpod source package in Impish:
  Fix Released
Status in runc source package in Impish:
  Invalid

Bug description:
  Sometime betweek August 28 and September 4 2021 the ubuntu:impish
  images published on dockerhub began erroring when executing the
  commands defined in /etc/apt/apt.conf.d/docker-clean.

  I have this reproducer, which is probably not as minimal as it can be
  but looks reliable:

  1. docker run -it --rm ubuntu:impish bash
  2. apt update
  3. apt install git
  4. apt -y remove git

  This results in:

  E: Problem executing scripts DPkg::Post-Invoke 'rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true'
  E: Sub-process returned an error code

  *Removing* a package is not strictly needed to trigger the failure,
  but it seems that *two* apt operations are needed to trigger it, so
  this reproducer found by athos-ribeiro also works:

  docker run -it --rm ubuntu:impish /bin/bash -c 'apt-get update; apt-
  get full-upgrade -y; apt-get install -y jq'

  This doesn't happen when using ubuntu:hirsute.

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