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

[Dan Streetman]

Public bug reported:

[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

[other info]

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

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

** Affects: systemd (Ubuntu Bionic)
     Importance: Medium
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Affects: systemd (Ubuntu Focal)
     Importance: Medium
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Affects: systemd (Ubuntu Groovy)
     Importance: Medium
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Also affects: systemd (Ubuntu Groovy)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu Bionic)
   Importance: Undecided
       Status: New

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

** Changed in: systemd (Ubuntu Bionic)
       Status: New => In Progress

** Changed in: systemd (Ubuntu Focal)
       Status: New => In Progress

** Changed in: systemd (Ubuntu Groovy)
       Status: New => In Progress

** Changed in: systemd (Ubuntu Groovy)
   Importance: Undecided => Medium

** Changed in: systemd (Ubuntu Focal)
   Importance: Undecided => Medium

** Changed in: systemd (Ubuntu Bionic)
   Importance: Undecided => Medium

** Changed in: systemd (Ubuntu Bionic)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

** Changed in: systemd (Ubuntu Focal)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

** Changed in: systemd (Ubuntu Groovy)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

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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:
  In Progress
Status in systemd source package in Focal:
  In Progress
Status in systemd source package in Groovy:
  In Progress

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

  [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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