/usr/ is in ruby-redis 3.1.0-1.
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/redis.rb
/usr/lib/ruby/vendor_ruby/redis/
/usr/lib/ruby/vendor_ruby/redis/subscribe.rb
/usr/lib/ruby/vendor_ruby/redis/distributed.rb
/usr/lib/ruby/vendor_ruby/redis/pipeline.rb
/usr/lib/ruby/vendor_ruby/redis/version.rb
/usr/lib/ruby/vendor_ruby/redis/client.rb
/usr/lib/ruby/vendor_ruby/redis/hash_ring.rb
/usr/lib/ruby/vendor_ruby/redis/errors.rb
/usr/lib/ruby/vendor_ruby/redis/connection/
/usr/lib/ruby/vendor_ruby/redis/connection/registry.rb
/usr/lib/ruby/vendor_ruby/redis/connection/hiredis.rb
/usr/lib/ruby/vendor_ruby/redis/connection/command_helper.rb
/usr/lib/ruby/vendor_ruby/redis/connection/synchrony.rb
/usr/lib/ruby/vendor_ruby/redis/connection/ruby.rb
/usr/lib/ruby/vendor_ruby/redis/connection.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-redis/
/usr/share/doc/ruby-redis/changelog.gz
/usr/share/doc/ruby-redis/copyright
/usr/share/doc/ruby-redis/changelog.Debian.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/redis-3.1.0.gemspec