Land #8212, Handle failures loading external modules

lib/msf/core/modules/loader/executable.rb

@@ -82,6 +82,14 @@ class Msf::Modules::Loader::Executable < Msf::Modules::Loader::Base
       load_error(full_path, Errno::ENOENT.new)
       return ''
     end
-    Msf::Modules::External::Shim.generate(full_path)
+    begin
+      Msf::Modules::External::Shim.generate(full_path)
+    rescue ::Exception => e
+      elog "Unable to load module #{full_path} #{e.class} #{e}"
+      # XXX migrate this to a full load_error when we can tell the user why the
+      # module did not load and/or how to resolve it.
+      # load_error(full_path, e)
+      ''
+    end
   end
 end