[Bug 1978931] Re: `debsums -c` returns the error of /sbin/start-stop-daemon

[Yuan-Chen Cheng]

** Tags added: oem-priority

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https://bugs.launchpad.net/bugs/1978931

Title:
  `debsums -c` returns the error of /sbin/start-stop-daemon

Status in OEM Priority Project:
  In Progress
Status in ubiquity package in Ubuntu:
  New
Status in ubiquity source package in Focal:
  New
Status in ubiquity source package in Jammy:
  New

Bug description:
  1) Description:	Ubuntu 22.04 LTS
  Release:	22.04
  2) ubiquity 22.04.16
  3) `debsums -c` returns the error of /sbin/start-stop-daemon
  4) `debsums -c` returns no error.

  We made the OEM jammy base image for Dell that contains dpkg
  1.21.1ubuntu2 and then use dell-recovery (Ubiquity plugin) fish
  mechanism to install/upgrade dpkg 1.21.1ubuntu2.1.

  Because Ubiquity will rename it to /sbin/start-stop-daemon.REAL and provide a fake /sbin/start-stop-daemon during the installation.
  When installing newer dpkg, /sbin/start-stop-daemon will be replaced. However Ubiquity will rename /sbin/start-stop-daemon.REAL back to /sbin/start-stop-daemon after the installation.
  So /sbin/start-stop-daemon will be kept as the older one.
  That is why the issue happens.

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