In the example showing how locked mounts in a less privileged mount namespace can not be split, a command "umount /mnt/dir" is shown. Surely, that should have been "umount /etc/shadow".
Hi Göran, You are right. It needs to be "umount /etc/shadow". Let me see whether I can make the change. Rajesh
Hi Göran, Patch has been submitted. Once it's merged it will show up. Rajesh
Great!