Fedora28 Sambaが4.7.3にUpdateされました。
[root@f28 ~]# uname -r
4.15.0-0.rc0.git7.1.fc28.x86_64
[root@f28 ~]# php -v
PHP 7.2.0RC6 (cli) (built: Nov 7 2017 13:24:16) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.2.0-dev, Copyright (c) 1998-2017 Zend Technologies
[root@f28 ~]# samba -V
Version 4.7.3
[root@f28 ~]# cat /etc/redhat-release
Fedora release 28 (Rawhide)
[root@f28 ~]#