smbd: check for stale pid in get_lease_type()
If leases_db_get() failed the leases_db record might have been cleaned up for
stale processes. Check if the share-mode-entry owner is stale in this case and
return a 0 lease state. In any other case, log a debug messages and panic.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14428
Signed-off-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Jul 2 16:45:42 UTC 2020 on sn-devel-184