/usr/ is in ruby-fog-json 1.0.0-1.
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/fog/
/usr/lib/ruby/vendor_ruby/fog/json/
/usr/lib/ruby/vendor_ruby/fog/json/version.rb
/usr/lib/ruby/vendor_ruby/fog/json.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-fog-json/
/usr/share/doc/ruby-fog-json/copyright
/usr/share/doc/ruby-fog-json/README.md
/usr/share/doc/ruby-fog-json/changelog.Debian.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/fog-json-1.0.0.gemspec