Followed steps to reproduce no cores where observed. Marking it as verified.
Version
--------
glusterfs-cli-3.8.4-11.el6rhs.x86_64
samba-client-libs-4.4.6-4.el6rhs.x86_64
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHSA-2017-0494.html