/usr/share/doc/ is in ruby-gdk-pixbuf2 2.2.5-4build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/ruby-gdk-pixbuf2/
/usr/share/doc/ruby-gdk-pixbuf2/examples/
/usr/share/doc/ruby-gdk-pixbuf2/examples/scale.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/pixdata.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/composite.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/rotate.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/gnome-foot.png
/usr/share/doc/ruby-gdk-pixbuf2/examples/anim.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/inline.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/loader.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/save.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/utils.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/xpm.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/format.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/flip.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/simpleanim.rb
/usr/share/doc/ruby-gdk-pixbuf2/examples/floppybuddy.gif
/usr/share/doc/ruby-gdk-pixbuf2/copyright
/usr/share/doc/ruby-gdk-pixbuf2/changelog.Debian.gz