/usr/ is in ruby-multi-xml 0.5.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/multi_xml/
/usr/lib/ruby/vendor_ruby/multi_xml/parsers/
/usr/lib/ruby/vendor_ruby/multi_xml/parsers/rexml.rb
/usr/lib/ruby/vendor_ruby/multi_xml/parsers/libxml2_parser.rb
/usr/lib/ruby/vendor_ruby/multi_xml/parsers/nokogiri.rb
/usr/lib/ruby/vendor_ruby/multi_xml/parsers/libxml.rb
/usr/lib/ruby/vendor_ruby/multi_xml/parsers/ox.rb
/usr/lib/ruby/vendor_ruby/multi_xml/version.rb
/usr/lib/ruby/vendor_ruby/multi_xml.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-multi-xml/
/usr/share/doc/ruby-multi-xml/README.md
/usr/share/doc/ruby-multi-xml/CONTRIBUTING.md
/usr/share/doc/ruby-multi-xml/changelog.gz
/usr/share/doc/ruby-multi-xml/copyright
/usr/share/doc/ruby-multi-xml/changelog.Debian.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/multi_xml-0.5.5.gemspec