[Bug 2036424] Re: Mantic s390x install fails: grep-status: *** stack smashing detected ***: terminated

[Frank Heimes]

@dbungert, sorry for the delay,
I just tried beta/s390x-stable-core22 (based on the image 2023-10-05, but of course updated the subiquity):
  subiquity  22.02.2+git1772.4a76b65e  5196
  snap refresh subiquity --channel=beta/s390x-stable-core22 --ignore-running
  subiquity  22.02.2+git1793.3841511f  5227  latest/beta/… 
but I unfortunately still face the grep-status issue on an LPAR install:

 2023-10-08 20:11:02,365 DEBUG subiquitycore.utils:121 arun_command called: ['gr
ep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'in
stalled', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/stat
us']
 2023-10-08 20:11:02,481 DEBUG subiquitycore.utils:135 arun_command ['grep-statu
s', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed'
, '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status'] exi
ted with code -6
 2023-10-08 20:11:02,481 ERROR root:30 finish: subiquity/Install/install/curtin_
install: FAIL: Command '['grep-status', '--whole-pkg', '-FProvides', 'linux-imag
e', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names'
, '/target/var/lib/dpkg/status']' died with <Signals.SIGABRT: 6>.
 2023-10-08 20:11:02,481 DEBUG subiquity.common.errorreport:394 generating crash report
 2023-10-08 20:11:02,484 INFO subiquity.common.errorreport:415 saving crash report 'install failed crashed with CalledProcessError' to /var/crash/1696795862.481621742.install_fail.crash
 2023-10-08 20:11:02,484 ERROR root:30 finish: subiquity/Install/install: FAIL: Command '['grep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status']' died with <Signals.SIGABRT: 6>.
 2023-10-08 20:11:02,484 INFO root:30 start: subiquity/ErrorReporter/1696795862.481621742.install_fail/add_info:
...

These are all the snap versions that I see during the installation:
Name       Version                   Rev    Tracking         Publisher    Notes
core22     20230801                  865    latest/stable    canonical**  base
lxd        5.18-db8c6f9              25850  latest/stable/…  canonical**  -
snapd      2.60.3                    20099  latest/stable    canonical**  snapd
subiquity  22.02.2+git1793.3841511f  5227   latest/beta/…    canonical**  classic

I've also attached the logs and crash files.

** Attachment added: "08102023.tgz"
   https://bugs.launchpad.net/subiquity/+bug/2036424/+attachment/5707875/+files/08102023.tgz

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Title:
  Mantic s390x install fails: grep-status: *** stack smashing detected
  ***: terminated

Status in Snapcraft:
  New
Status in subiquity:
  Triaged
Status in Ubuntu on IBM z Systems:
  New
Status in subiquity package in Ubuntu:
  Triaged
Status in subiquity source package in Mantic:
  Triaged

Bug description:
  mantic-live-server-s390x ISOs (serial: 20230918) are failing to
  install, as subiquity crashes with the error reported at the end of
  this message. By jumping to a shell in the installer live system, I
  found of that the culprit is grep-status failing to run:

  root at ubuntu-server:/# grep-status
  *** stack smashing detected ***: terminated
  Aborted (core dumped)

  What we expect is:

  $ grep-status
  grep-status: unexpected end of filter.

  From the test history I can tell that ISOs with serials:

   * Up to 20230915 are working
   * From 20230916 up to (at least) 20230918 are failing.

  --------------------

  2023-09-18 11:59:52,651 DEBUG subiquitycore.utils:132 arun_command ['grep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status'] exited with code -6
  2023-09-18 11:59:52,651 ERROR root:30 finish: subiquity/Install/install/curtin_install: FAIL: Command '['grep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status']' died with <Signals.SIGABRT: 6>.
  2023-09-18 11:59:52,651 DEBUG subiquity.common.errorreport:394 generating crash report
  2023-09-18 11:59:52,695 INFO subiquity.common.errorreport:415 saving crash report 'install failed crashed with CalledProcessError' to /var/crash/1695038392.651862621.install_fail.crash
  2023-09-18 11:59:52,695 ERROR root:30 finish: subiquity/Install/install: FAIL: Command '['grep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status']' died with <Signals.SIGABRT: 6>.
  2023-09-18 11:59:52,695 INFO root:30 start: subiquity/ErrorReporter/1695038392.651862621.install_fail/add_info: 
  2023-09-18 11:59:52,699 ERROR subiquity.server.server:415 top level error
  Traceback (most recent call last):
    File "/snap/subiquity/5108/lib/python3.10/site-packages/subiquity/server/controllers/shutdown.py", line 74, in _wait_install
      await self.app.controllers.Install.install_task
  subprocess.CalledProcessError: Command '['grep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status']' died with <Signals.SIGABRT: 6>.
  2023-09-18 11:59:52,701 ERROR subiquity.server.server:415 top level error
  Traceback (most recent call last):
    File "/snap/subiquity/5108/lib/python3.10/site-packages/subiquity/server/controllers/shutdown.py", line 74, in _wait_install
      await self.app.controllers.Install.install_task
  subprocess.CalledProcessError: Command '['grep-status', '--whole-pkg', '-FProvides', 'linux-image', '--and', '-FStatus', 'installed', '--show-field=Package', '--no-field-names', '/target/var/lib/dpkg/status']' died with <Signals.SIGABRT: 6>.

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