OCS/ODF Persistent Volume mount is failing with `permission denied` error

Issue

• Error mounting CephFS volume in a pod, csi-cephfsplugin on the respective node reports following error.

  Warning  FailedMount  24s   kubelet, node1.example.com  MountVolume.MountDevice failed for volume "pvc-5a793162-33c1-4d0a-a0af-669048eed825" : stat /var/lib/kubelet/plugins/kubernetes.io/csi/pv/pvc-5a793162-33c1-4d0a-a0af-669048eed825/globalmount: permission denied
  

• On recent OCP versions, you can also see errors like this on the OCP worker node where that pod is trying to start:

  Jan 17 09:04:23 worker1 hyperkube[2450]: E0117 09:04:23.212120    2450 remote_runtime.go:228] "CreateContainer in sandbox from runtime service failed" err="rpc error: code = Unknown desc = failed to resolve symlink \"/var/lib/kubelet/pods/4f03a733-e9d0-4124-8cd5-f02382eb235f/volumes/kubernetes.io~csi/pvc-23b3c1b0-631a-4e74-b488-8329a7eb9669/mount\": lstat /var/lib/kubelet/pods/4f03a733-e9d0-4124-8cd5-f02382eb235f/volumes/kubernetes.io~csi/pvc-23b3c1b0-631a-4e74-b488-8329a7eb9669/mount: permission denied" podSandboxID="a2e73fc0656c253dffa2839bd00b8781af5315ce5285f388de04feb0a5765fa3"