The project util-linux doesn't use the same license for all of the code.
There is code under:
- * GPL-2.0-or-later - GNU General Public License version 2, or any later version
+ * GPL-1.0-or-later - GNU General Public License version 1, or any later version
* GPL-2.0 - GNU General Public License version 2
+ * GPL-2.0-or-later - GNU General Public License version 2, or any later version
+
+ * GPL-3.0-or-later - GNU General Public License version 3, or any later version
+
* LGPL-2.1-or-later - GNU Lesser General Public License 2.1 or any later version
+ * BSD-2-Clause - Simplified BSD License
+
* BSD-3-Clause - BSD 3-Clause "New" or "Revised" License
* BSD-4-Clause-UC - BSD 4-Clause University of California-Specific