[Bug 1918696] Re: libseccomp 2.5.1 will break unit tests on ppc

[Launchpad Bug Tracker]

This bug was fixed in the package systemd - 246.6-1ubuntu1.3

---------------
systemd (246.6-1ubuntu1.3) groovy; urgency=medium

  * d/p/lp1918696-shared-seccomp-util-address-family-filtering-is-brok.patch:
    Stop attempting to restrict address families on ppc archs
    (LP: #1918696)
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=34d1b2b4f4fdc349da37a07fe98418456167592a
  * d/p/lp1915887-Downgrade-a-couple-of-warnings-to-debug.patch:
    Downgrade some log messages so they stop spamming logs
    (LP: #1915887)
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=d092e70912009daf6f64182d86b3d92aed28722a
  * d/p/lp1887744-basic-unit-file-when-loading-linked-unit-files-use-l.patch:
    Use src name, not dst name, of symlinked unit files (LP: #1887744)
    https://git.launchpad.net/~ubuntu-core-dev/ubuntu/+source/systemd/commit/?id=1e42633ccecc9c9157b19387c11ac1bf7ea7d161

 -- Dan Streetman <ddstreet at canonical.com>  Wed, 10 Mar 2021 16:03:13
-0500

** Changed in: systemd (Ubuntu Groovy)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1918696

Title:
  libseccomp 2.5.1 will break unit tests on ppc

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Bionic:
  Fix Committed
Status in systemd source package in Focal:
  Fix Released
Status in systemd source package in Groovy:
  Fix Released

Bug description:
  [impact]

  when libseccomp is upgraded to 2.5.1 on all releases, the systemd
  seccomp unit tests will start failing on ppc, as
  RestrictAddressFamilies= will no longer work on that arch.

  However, the systemd.exec man page has stated that
  RestrictAddressFamiles= doesn't work on ppc since before bionic.

  [test case]

  check systemd autopkgtest on ppc, looking at the
  test_restrict_access_familes unit test

  [regression potential]

  any regression would involve the use of RestrictAddressFamilies=,
  either no longer restricting or incorrectly restricting address
  familes.

  [scope]

  this is needed for b/f/g

  this was fixed upstream by commit
  d5923e38bc0e6cf9d7620ed5f1f8606fe7fe1168 which is included in 247, so
  this is fixed in h already

  This isn't needed in x, because it doesn't include upstream commit
  469830d1426a91e0897c321fdc8ee428f0a750c1 which reworked the code to
  switch from seccomp_rule_add to seccomp_rule_add_exact, so systemd
  could handle lack of arch support itself, instead of allowing the 'not
  exact' seccomp syscall to just ignore the call due to lack of arch
  support.

  [other info]

  libseccomp will be updated to 2.5.1 in the near future so this is
  needed before that update

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