[Bug 1913189] Re: systemd 245.4-4ubuntu3.4 ADT test failure with linux-hwe-5.8 5.8.0-41.46~20.04.1

[Dan Streetman]

test passes now in focal:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/amd64/s/systemd/20210309_214854_f9944@/log.gz

marking as verified for bionic as well, as 5.8 or later kernel isn't
available for bionic, and this was backported due to possible build-time
failure as explained in description

** Tags removed: verification-needed verification-needed-bionic verification-needed-focal
** Tags added: verification-done verification-done-bionic verification-done-focal

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Title:
  systemd 245.4-4ubuntu3.4 ADT test failure with linux-hwe-5.8
  5.8.0-41.46~20.04.1

Status in systemd:
  Unknown
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 Committed

Bug description:
  [impact]

  test-fs-util fails when running under 5.8 kernel

  [test case]

  see autopkgtest runs, e.g.

      amd64:
  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-focal/focal/amd64/s/systemd/20210121_140925_39a30@/log.gz

  [regression potential]

  any regression would likely result in incorrectly passed or failed
  build-time or autopkgtest-time test run

  [scope]

  this is needed in f and b

  this was fixed upstream with commit 5b5ce6298e which was first
  included in v247, and has already been backported to g in bug 1891527.

  while it's unlikely that the 5.8 kernel will ever officially be
  available directly in b, this test case is also run at build time, so
  if the lp build farm is ever updated to the 5.8 kernel this test case
  would begin failing during build, so the patch should be backported
  there as well.

  this isn't needed in x as the test-fs-util test isn't present there.

  [original description]

  Testing failed on:
      amd64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/amd64/s/systemd/20210121_140925_39a30@/log.gz
      arm64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/arm64/s/systemd/20210121_021134_f3c65@/log.gz
      s390x: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/s390x/s/systemd/20210121_090718_fa164@/log.gz

  The failing test case is:

  TEST-24-UNIT-TESTS:

  === Failed test log ===
  --- test-fs-util begin ---
  /* test_chase_symlinks */
  /* test_unlink_noerrno */
  /* test_readlink_and_make_absolute */
  /* test_var_tmp */
  /* test_dot_or_dot_dot */
  /* test_access_fd */
  /* test_touch_file */
  Assertion 'mknod(a, 0775 | S_IFBLK, makedev(0, 0)) >= 0' failed at src/test/test-fs-util.c:637, funct
  ion test_touch_file(). Aborting.
  --- test-fs-util end ---
  make: Leaving directory '/tmp/autopkgtest.KFUfZH/build.scn/src/test/TEST-24-UNIT-TESTS'
  make: *** [Makefile:4: run] Error 1

  This issue has been solved in Groovy on bug 1891527, likely the fix
  needs to be backported to systemd in Focal for the testcase to pass
  with the 5.8 kernel.

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