[Bug 2012943] Re: Systemd-resolved is crashing

[Launchpad Bug Tracker]

** Merge proposal linked:
   https://code.launchpad.net/~enr0n/ubuntu/+source/systemd/+git/systemd/+merge/439761

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https://bugs.launchpad.net/bugs/2012943

Title:
  Systemd-resolved is crashing

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Focal:
  Triaged

Bug description:
  [ Impact ]

  The continuous systemd-resolved crashes delay/hang the device startup.
  And this leads to unresponsive devices in the system.

  [ Test Plan ]

  The exact steps to reproduce this issue are still not known.
  But we see this crash only in Static IP Addressing mode enabled, where systemd-resolved is enabled for LLMNR service.
  But we were not able to see this crash in DHCP mode.

  Steps to reproduce:
  1) Powercycle the device.
  2) Soft-reboot.

  [ Where problems could occur ]

  https://github.com/systemd/systemd/commit/73bfd7be042cc63e7649242b377ad494bf74ea4b.
  This commit is resolving the issue which is observed.

  Please refer to the above commit to assess the risk involved.

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