/lib/systemd/system/dracut-pre-mount.service is in dracut-core 047-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/dracut/modules.d/98dracut-systemd/dracut-pre-mount.service
/usr/lib/dracut/modules.d/98dracut-systemd/dracut-pre-mount.service