/usr/share/ is in ruby-doorkeeper 2.2.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/ruby-doorkeeper/
/usr/share/doc/ruby-doorkeeper/copyright
/usr/share/doc/ruby-doorkeeper/changelog.Debian.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/doorkeeper-2.2.1.gemspec
/usr/share/ruby-doorkeeper/
/usr/share/ruby-doorkeeper/vendor/
/usr/share/ruby-doorkeeper/vendor/assets/
/usr/share/ruby-doorkeeper/vendor/assets/stylesheets/
/usr/share/ruby-doorkeeper/vendor/assets/stylesheets/doorkeeper/
/usr/share/ruby-doorkeeper/vendor/assets/stylesheets/doorkeeper/bootstrap.min.css
/usr/share/ruby-doorkeeper/app/
/usr/share/ruby-doorkeeper/app/validators/
/usr/share/ruby-doorkeeper/app/validators/redirect_uri_validator.rb
/usr/share/ruby-doorkeeper/app/controllers/
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/authorizations_controller.rb
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/applications_controller.rb
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/token_info_controller.rb
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/tokens_controller.rb
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/authorized_applications_controller.rb
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/application_metal_controller.rb
/usr/share/ruby-doorkeeper/app/controllers/doorkeeper/application_controller.rb
/usr/share/ruby-doorkeeper/app/views/
/usr/share/ruby-doorkeeper/app/views/layouts/
/usr/share/ruby-doorkeeper/app/views/layouts/doorkeeper/
/usr/share/ruby-doorkeeper/app/views/layouts/doorkeeper/admin.html.erb
/usr/share/ruby-doorkeeper/app/views/layouts/doorkeeper/application.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorizations/
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorizations/show.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorizations/new.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorizations/error.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorized_applications/
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorized_applications/index.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/authorized_applications/_delete_form.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/edit.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/index.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/show.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/_delete_form.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/new.html.erb
/usr/share/ruby-doorkeeper/app/views/doorkeeper/applications/_form.html.erb
/usr/share/ruby-doorkeeper/app/assets/
/usr/share/ruby-doorkeeper/app/assets/stylesheets/
/usr/share/ruby-doorkeeper/app/assets/stylesheets/doorkeeper/
/usr/share/ruby-doorkeeper/app/assets/stylesheets/doorkeeper/admin/
/usr/share/ruby-doorkeeper/app/assets/stylesheets/doorkeeper/admin/application.css
/usr/share/ruby-doorkeeper/app/assets/stylesheets/doorkeeper/application.css
/usr/share/ruby-doorkeeper/app/helpers/
/usr/share/ruby-doorkeeper/app/helpers/doorkeeper/
/usr/share/ruby-doorkeeper/app/helpers/doorkeeper/dashboard_helper.rb