/usr/share/doc/libdmapsharing-3.0-dev/TODO is in libdmapsharing-3.0-dev 2.9.24-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libdmapsharing-3.0-dev/../libdmapsharing-3.0-2/TODO