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

[Seth Forshee]

Public bug reported:

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

** Affects: glibc (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: rls-ff-incoming

** Summary changed:

- glibc pwd/test-pwd test failures in autopkgtest
+ glibc pwd/test-getpw test failures in autopkgtest

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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:
  New

Bug description:
  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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