#4378: fix NPE while migrate vm with custom offering

Author: ustcweizhou

server/src/main/java/com/cloud/vm/UserVmManagerImpl.java

@@ -5793,7 +5793,8 @@ public VirtualMachine migrateVirtualMachine(Long vmId, Host destinationHost) thr
         DeployDestination dest = null;
         if (destinationHost == null) {
             vm.setLastHostId(null); // Last host does not have higher priority in vm migration
-            final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm);
+            final ServiceOfferingVO offering = _offeringDao.findById(vm.getId(), vm.getServiceOfferingId());
+            final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm, null, offering, null, null);
             final Host host = _hostDao.findById(srcHostId);
             final DataCenterDeployment plan = new DataCenterDeployment(host.getDataCenterId(), host.getPodId(), host.getClusterId(), null, null, null);
             ExcludeList excludes = new ExcludeList();