[Bug 1869364] Re: glibc pwd/test-getpw test failures in autopkgtest

[Robie Basak]

Hello Seth, or anyone else affected,

Accepted glibc into focal-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: glibc (Ubuntu Focal)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-focal

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https://bugs.launchpad.net/bugs/1869364

Title:
  glibc pwd/test-getpw test failures in autopkgtest

Status in glibc package in Ubuntu:
  In Progress
Status in glibc source package in Focal:
  Fix Committed
Status in glibc source package in Groovy:
  In Progress

Bug description:
  [Impact]

  pwd/test-getpw test fails in autopkgtest
  Fixing this makes the arm64 and armhf autopkgtests usable again for the lifetime of the 20.04 LTS release.

  [Test Case]

  Observe autopkgetest tests passing, including pwd/test-getpw being
  marked as XFAIL.

  [Regression Potential]

  The fix is ignoring a test failure due to the problems explained in
  the bug comments. The fix does not affect run-time behaviour.

  [Original Bug Text]

  I started seeing this in the testing for 5.4.0-20. Only happening on
  arm64/armhf.

  ----------
  FAIL: pwd/tst-getpw
  original exit status 223
  PASS: NULL buffer returns -1 and sets errno to EINVAL.
  PASS: Read a password line given a uid.
  FAIL: Did not find even one invalid uid.
  ----------

  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/arm64/g/glibc/20200326_165114_2fcf9@/log.gz
  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/armhf/g/glibc/20200326_173356_3378d@/log.gz

  I've unsuccessfully tried to reproduce this on an arm64 host (by
  running this test case standalone, not the full test suite), so
  possibly there's something about the autopkgtest environment. This
  also happens with the 5.4.0-18 from focal-release, so it does not
  appear to be a regression in the kernel.

  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-focal/focal/arm64/g/glibc/20200326_224201_5fd33@/log.gz

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