[Bug 1870589] Autopkgtest regression report (systemd/237-3ubuntu10.40)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted systemd (237-3ubuntu10.40) for bionic have finished running.
The following regressions have been reported in tests triggered by the package:

gvfs/1.36.1-0ubuntu1.3.3 (amd64)
prometheus-postgres-exporter/unknown (armhf)
systemd/237-3ubuntu10.40 (i386, ppc64el)
umockdev/0.11.1-1 (armhf)
linux-hwe-5.0/5.0.0-47.51~18.04.1 (armhf)
kde4libs/4:4.14.38-0ubuntu3.1 (armhf)
util-linux/unknown (armhf)
nftables/unknown (armhf)
linux-raspi2-5.3/5.3.0-1023.25~18.04.1 (armhf)
netplan.io/0.98-0ubuntu1~18.04.1 (i386)
openssh/1:7.6p1-4ubuntu0.3 (arm64, i386, armhf, ppc64el, s390x, amd64)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/bionic/update_excuses.html#systemd

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/1870589

Title:
  test-seccomp fails test_restrict_suid_sgid on arm64 on Bionic

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

Bug description:
  [impact]

  RestrictSUIDSGID (backported to Bionic in security CVE) fails 100% of
  the time on arm64, and testcase failure indicates this as well.

  [test case]

  check autopkgtest logs, e.g.
  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/arm64/s/systemd/20200401_091111_34f60@/log.gz

  /* test_restrict_suid_sgid */
  Failed to add suid/sgid rule for architecture arm64, skipping: Numerical argument out of domain
  Assertion 'chmod(path, 0775 | S_ISUID) < 0 && errno == EPERM' failed at ../src/test/test-seccomp.c:823, function test_restrict_suid_sgid(). Aborting.
  suidsgidseccomp terminated by signal ABRT.
  Assertion 'wait_for_terminate_and_check("suidsgidseccomp", pid, WAIT_LOG) == EXIT_SUCCESS' failed at ../src/test/test-seccomp.c:889, function test_restrict_suid_sgid(). Aborting.
  FAIL: test-seccomp (code: 134)
  Aborted (core dumped)

  [regression potential]

  this improves the function that (tries to) install seccomp suid/sgid
  filters, so and regression would involve failure to restrict suid/sgid
  with seccomp filters; however on arm64, the this functionality already
  fails 100% of the time (which is what the failed test case was
  pointing out).

  [scope]

  this fails only in Bionic, and this specific feature and testcase was
  backported in patches for CVE-2019-384x.  It does not appear that the
  backported feature, or its testcase, ever passed in Bionic on arm64.

  [other info]

  systemd bionic arm64 autopkgtests have failed forever, but we should
  fix that.

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