We should rebase openstack-keystone to the latest upstream stable release for OSP9. The most current upstream stable/liberty release is 9.3.0: https://github.com/openstack/keystone/releases/tag/9.3.0 https://releases.openstack.org/teams/keystone.html
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://access.redhat.com/errata/RHSA-2017:1461