/usr/ is in libapache2-mod-webauthldap 4.5.5-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libapache2-mod-webauthldap/
/usr/share/doc/libapache2-mod-webauthldap/examples/
/usr/share/doc/libapache2-mod-webauthldap/examples/stanford-ldap.conf
/usr/share/doc/libapache2-mod-webauthldap/copyright
/usr/share/doc/libapache2-mod-webauthldap/mod_webauthldap.xml.gz
/usr/share/doc/libapache2-mod-webauthldap/mod_webauthldap.html.en
/usr/share/doc/libapache2-mod-webauthldap/README.Debian
/usr/lib/
/usr/lib/apache2/
/usr/lib/apache2/modules/
/usr/lib/apache2/modules/mod_webauthldap.so
/usr/share/doc/libapache2-mod-webauthldap/README.gz
/usr/share/doc/libapache2-mod-webauthldap/TODO.gz
/usr/share/doc/libapache2-mod-webauthldap/changelog.Debian.gz