[Bug 1316125] [autofs/trusty] verification still needed

[Ubuntu Foundations Team Bug Bot]

The fix for this bug has been awaiting testing feedback in the -proposed
repository for trusty for more than 90 days.  Please test this fix and
update the bug appropriately with the results.  In the event that the
fix for this bug is still not verified 15 days from now, the package
will be removed from the -proposed repository.

** Tags added: removal-candidate

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https://bugs.launchpad.net/bugs/1316125

Title:
  Autofs leak file descriptors when reloaded (-HUP) and daemon may stop
  working on high # of shares/reloads

Status in “autofs” package in Ubuntu:
  Fix Released
Status in “autofs5” package in Ubuntu:
  Invalid
Status in “autofs5” source package in Precise:
  Fix Committed
Status in “autofs” source package in Saucy:
  Fix Committed
Status in “autofs” source package in Trusty:
  Fix Committed

Bug description:
  [Impact]

   * Autofs leak file descriptors when reloaded (-HUP) and daemon may
  stop working on high # of shares/reloads.

  [Test Case]

  1. Configure a simple direct mount:

  # cat /etc/auto.master
  /-	/etc/auto.direct

  # cat /etc/auto.direct
  /nfs	server:/nfs

  2. Start the automounter and do NOT trigger the mount

  3. Replace /etc/auto.direct with:

  # cat /etc/auto.direct
  /nfs/1	server:/nfs
  /nfs/2	server:/nfs

  4. Reload:

  # kill -HUP $(pidof automount)

  >From now on, every reload will leak a file descriptor:

  # ls -la /proc/$(pidof automount)/fd | grep /nfs

  lr-x------ 1 root root 64 Aug 14 22:08 11 -> /nfs
  lr-x------ 1 root root 64 Aug 14 22:08 12 -> /nfs
  lr-x------ 1 root root 64 Aug 14 22:08 13 -> /nfs
  lr-x------ 1 root root 64 Aug 14 22:08 14 -> /nfs
  lr-x------ 1 root root 64 Aug 14 22:08 5 -> /nfs

  [Regression Potential]

   * based on upstream commit: autofs - version 5.0.7 - dd66c61a - file
  descriptor leak when reloading automount daemon. Tested with the same
  test case fix the error and not changing any other behavior.

  [Other Info ]

  -

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