/usr/ is in ruby-get-process-mem 0.2.0-2.
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/get_process_mem.rb
/usr/lib/ruby/vendor_ruby/get_process_mem/
/usr/lib/ruby/vendor_ruby/get_process_mem/version.rb
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/get_process_mem-0.2.0.gemspec
/usr/share/doc/
/usr/share/doc/ruby-get-process-mem/
/usr/share/doc/ruby-get-process-mem/README.md
/usr/share/doc/ruby-get-process-mem/copyright
/usr/share/doc/ruby-get-process-mem/changelog.Debian.gz