/usr/share/octave/ is in octave-zenity 0.5.7-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/
/usr/share/octave/packages/zenity-0.5.7/
/usr/share/octave/packages/zenity-0.5.7/doc-cache
/usr/share/octave/packages/zenity-0.5.7/packinfo/
/usr/share/octave/packages/zenity-0.5.7/packinfo/.autoload
/usr/share/octave/packages/zenity-0.5.7/packinfo/DESCRIPTION
/usr/share/octave/packages/zenity-0.5.7/packinfo/INDEX
/usr/share/octave/packages/zenity-0.5.7/zenity_calendar.m
/usr/share/octave/packages/zenity-0.5.7/zenity_entry.m
/usr/share/octave/packages/zenity-0.5.7/zenity_file_selection.m
/usr/share/octave/packages/zenity-0.5.7/zenity_list.m
/usr/share/octave/packages/zenity-0.5.7/zenity_message.m
/usr/share/octave/packages/zenity-0.5.7/zenity_notification.m
/usr/share/octave/packages/zenity-0.5.7/zenity_progress.m
/usr/share/octave/packages/zenity-0.5.7/zenity_scale.m
/usr/share/octave/packages/zenity-0.5.7/zenity_text_info.m