/usr/ is in ruby-http-parser 0.1.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/http/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/http/parser.rb
/usr/lib/ruby/vendor_ruby/http/native_parser.rb
/usr/share/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/ruby-http-parser
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.8/
/usr/share/rubygems-integration/1.8/specifications/
/usr/share/rubygems-integration/1.8/specifications/http_parser-0.1.3.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/http_parser-0.1.3.gemspec
/usr/share/doc/
/usr/share/doc/ruby-http-parser/
/usr/share/doc/ruby-http-parser/copyright
/usr/share/doc/ruby-http-parser/changelog.Debian.gz