[Bug 1943049] Re: 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'

[Julian Andres Klode]

I thought runc was fixed to produce ENOSYS by now for unknown syscalls
to avoid that mess. We can't have every glibc update breaking containers
like this...

405   clone3({flags=CLONE_VM|CLONE_VFORK, exit_signal=SIGCHLD,
stack=0x7fc77e3d3000, stack_size=0x9000}, 88) = -1 EPERM (Operation not
permitted)

Not sure if it applies to crun, someone check with that :D

** Also affects: glibc (Ubuntu)
   Importance: Undecided
       Status: New

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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 crun package in Ubuntu:
  New
Status in docker.io package in Ubuntu:
  New
Status in glibc package in Ubuntu:
  New
Status in libpod package in Ubuntu:
  New
Status in runc package in Ubuntu:
  New

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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