** Impact **

The KillFilter class used by rootwrapper currently relies on the
/proc/PID/exe symlink to determine the command used to execute a
process. This works fine until an executable is updated/deleted while a
process is running.

** Development Fix **

This has been addressed in the trunk at
https://review.openstack.org/6865 and fixed in quantal

** Stable Fix **

This has been addressed in the stable/essex tree at:
https://review.openstack.org/6834

** Test Case **

Not available

** Regression Potential **

Minimal, if the process have (deleted) then the killfilter will remove
them properly now.

** Regression Potential **

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https://bugs.launchpad.net/bugs/967931

Title:
  [SRU] killfilter should handle updated/deleted executables

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