Looks like someone had already reported this issue:
https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1812095
On there they identify a potential fix:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1813873
Looks like someone had already reported this issue:
https:/ /bugs.launchpad .net/ubuntu/ +source/ shadow/ +bug/1812095
On there they identify a potential fix:
https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1813873