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

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Shih-Yuan Lee (fourdollars):

[Impact]

 * Affects Canonical OEM images for Dell on focal and jammy

[Test Plan]

 * Built Canonical OEM images for Dell on focal or jammy that includes
the latest Ubiquity packages from *-proposed or *-updates.

 * Use the customized image to install Ubuntu system

 * Install debsums after the installation to check the system.

[Where problems could occur]

 * N/A

[Other Info]

 * I have built and included the customized Ubiquity packages that
included the patch for focal and jammy so there should also be no
problem after we finished the SRU updates.

[Original Bug Description]

1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu
Description:	Ubuntu 22.04 LTS
Release:	22.04

2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center
ubiquity 22.04.16

3) What you expected to happen
`debsums -c` returns no error.

4) What happened instead
`debsums -c` returns the error of /sbin/start-stop-daemon

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.

** Affects: oem-priority
     Importance: Critical
     Assignee: Shih-Yuan Lee (fourdollars)
         Status: In Progress

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: ubiquity (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Affects: ubiquity (Ubuntu Jammy)
     Importance: Undecided
         Status: New


** Tags: oem-priority originate-from-1978309 originate-from-1978843 somerville
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`debsums -c` returns the error of /sbin/start-stop-daemon
https://bugs.launchpad.net/bugs/1978931
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