Index: source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
===================================================================
--- source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
+++ source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
@@ -1503,6 +1503,11 @@
         }
       }
 
+      // We got an invalid address range back
+      if (!region_info.GetRange().IsValid()) {
+        error.SetErrorString("Server returned invalid range");
+      }
+
       // We got a valid address range back but no permissions -- which means
       // this is an unmapped page
       if (region_info.GetRange().IsValid() && saw_permissions == false) {