/usr/share/doc/freeradius/examples/ is in freeradius 3.0.12+dfsg-5+deb9u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/freeradius/examples/certs/
/usr/share/doc/freeradius/examples/certs/Makefile
/usr/share/doc/freeradius/examples/certs/README
/usr/share/doc/freeradius/examples/certs/bootstrap
/usr/share/doc/freeradius/examples/certs/ca.cnf
/usr/share/doc/freeradius/examples/certs/client.cnf
/usr/share/doc/freeradius/examples/certs/server.cnf
/usr/share/doc/freeradius/examples/certs/xpextensions
/usr/share/doc/freeradius/examples/clients.pl
/usr/share/doc/freeradius/examples/create-users.pl
/usr/share/doc/freeradius/examples/cryptpasswd
/usr/share/doc/freeradius/examples/cryptpasswd.in
/usr/share/doc/freeradius/examples/exec-program-wait
/usr/share/doc/freeradius/examples/radiusd.cron.daily
/usr/share/doc/freeradius/examples/radiusd.cron.monthly
/usr/share/doc/freeradius/examples/radiusd.sh
/usr/share/doc/freeradius/examples/radiusd2ldif.pl
/usr/share/doc/freeradius/examples/radsqlrelay
/usr/share/doc/freeradius/examples/rc.radiusd
/usr/share/doc/freeradius/examples/rc.radiusd.in
/usr/share/doc/freeradius/examples/users2mysql.pl