Verified on RHEL 6 setup, ctdb disablescript 49.winbind and ctdb disablescript 50.samba works successfully and there are no avc's seen.
Moving the BZ to verified.
samba-4.4.6-4.el6rhs.x86_64
selinux-policy-3.7.19-292.el6_8.2.noarch
selinux-policy-targeted-3.7.19-292.el6_8.2.noarch
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