[Bug 1862378] [NEW] libsystemd-shared broken in Multi-Arch

[dann frazier]

Public bug reported:

I noticed that systemd-machined was failing to start on an arm64 box.
This box had armhf enabled, and turns out systemd had been cross-graded
over to systemd:armhf[*]. It still had systemd-container:arm64
installed, so now I had an arm64 /lib/systemd/systemd-machine, but an
armhf /lib/systemd/libsystemd-shared-244.so.

libsystemd-shared-244.so is from the systemd package. Since systemd is
marked Multi-Arch: foreign, systemd:armhf was able to incorrectly
satisfy systemd-container:arm64's dependency on systemd.

[*] kudos to Multi-Arch that I simply hadn't noticed

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1862378

Title:
  libsystemd-shared broken in Multi-Arch

Status in systemd package in Ubuntu:
  New

Bug description:
  I noticed that systemd-machined was failing to start on an arm64 box.
  This box had armhf enabled, and turns out systemd had been cross-
  graded over to systemd:armhf[*]. It still had systemd-container:arm64
  installed, so now I had an arm64 /lib/systemd/systemd-machine, but an
  armhf /lib/systemd/libsystemd-shared-244.so.

  libsystemd-shared-244.so is from the systemd package. Since systemd is
  marked Multi-Arch: foreign, systemd:armhf was able to incorrectly
  satisfy systemd-container:arm64's dependency on systemd.

  [*] kudos to Multi-Arch that I simply hadn't noticed

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