/usr/share/doc/libsysfs-dev/TODO is in libsysfs-dev 2.1.0+repack-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsysfs-dev/../libsysfs2/TODO
/usr/share/doc/libsysfs-dev/../libsysfs2/TODO