/usr/share/octave/packages/ is in octave-general 2.0.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/octave/packages/general-2.0.0/
/usr/share/octave/packages/general-2.0.0/@dict/
/usr/share/octave/packages/general-2.0.0/@dict/dict.m
/usr/share/octave/packages/general-2.0.0/@dict/display.m
/usr/share/octave/packages/general-2.0.0/@dict/end.m
/usr/share/octave/packages/general-2.0.0/@dict/get.m
/usr/share/octave/packages/general-2.0.0/@dict/has.m
/usr/share/octave/packages/general-2.0.0/@dict/isempty.m
/usr/share/octave/packages/general-2.0.0/@dict/join.m
/usr/share/octave/packages/general-2.0.0/@dict/length.m
/usr/share/octave/packages/general-2.0.0/@dict/struct.m
/usr/share/octave/packages/general-2.0.0/@dict/subsasgn.m
/usr/share/octave/packages/general-2.0.0/@dict/subsref.m
/usr/share/octave/packages/general-2.0.0/adresamp2.m
/usr/share/octave/packages/general-2.0.0/cauchy.m
/usr/share/octave/packages/general-2.0.0/doc-cache
/usr/share/octave/packages/general-2.0.0/majle.m
/usr/share/octave/packages/general-2.0.0/packinfo/
/usr/share/octave/packages/general-2.0.0/packinfo/DESCRIPTION
/usr/share/octave/packages/general-2.0.0/packinfo/INDEX
/usr/share/octave/packages/general-2.0.0/packinfo/NEWS
/usr/share/octave/packages/general-2.0.0/safeprod.m
/usr/share/octave/packages/general-2.0.0/tablify.m
/usr/share/octave/packages/general-2.0.0/unresamp2.m
/usr/share/octave/packages/general-2.0.0/unvech.m
/usr/share/octave/packages/general-2.0.0/ztvals.m