[Bug 2063349] Re: systemd-coredump handler does not forward the crash to the container

[Benjamin Drung]

Apport cannot do anything useful with these crash reports, because the
information about the crashed process does not contain the process
number seen from inside the container and because the crashed process is
already gone when Apport gets the crash from systemd-coredump.

So let Apport just ignore crash reports from systemd-coredump if the
crashes happened inside containers:
https://github.com/canonical/apport/pull/326

** Also affects: apport
   Importance: Undecided
       Status: New

** Changed in: apport
    Milestone: None => 2.29.0

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Title:
  systemd-coredump handler does not forward the crash to the container

Status in Apport:
  New
Status in apport package in Ubuntu:
  Triaged

Bug description:
  Steps to reproduce:
  1. install systemd-coredump on the host
  2. open a shell on a noble container
  2.1 machinectl pull-raw "http://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img" noble
  2.2 machinectl start noble
  2.3 machinectl shell noble
  3. install chaos-marmosets inside the container (# apt install chaos-marmosets)
  4. generate a crash inside the container (# divide-by-zero)

  Observed behaviour: The .crash file is present on the host /var/crash
  Expected behaviour: The .crash file should be present inside the container /var/crash

  Note: Here is how you can enable Host Network on the container
  https://wiki.archlinux.org/title/systemd-nspawn#Use_host_networking

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: apport 2.28.1-0ubuntu2
  ProcVersionSignature: Ubuntu 6.8.0-22.22-generic 6.8.1
  Uname: Linux 6.8.0-22-generic x86_64
  NonfreeKernelModules: zfs
  ApportLog:
   INFO: apport (pid 126611) 2024-04-24 16:34:39,226: executable: /usr/bin/divide-by-zero (command line "divide-by-zero")
   INFO: apport (pid 126611) 2024-04-24 16:34:39,664: wrote report /var/crash/_usr_bin_divide-by-zero.1000.crash
   INFO: apport (pid 127435) 2024-04-24 16:41:16,322: executable: /usr/bin/divide-by-zero (command line "divide-by-zero")
   INFO: apport (pid 127435) 2024-04-24 16:41:16,758: wrote report /var/crash/_usr_bin_divide-by-zero.297664512.crash
  ApportVersion: 2.28.1-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Apr 24 17:03:02 2024
  InstallationDate: Installed on 2024-04-18 (6 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Beta amd64 (20240418)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: apport
  UpgradeStatus: No upgrade log present (probably fresh install)

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