Throw a runtime error if #binding is called from a

C ext module (non-ruby frame)

Co-authored-by: Randy Stauner <[email protected]>

src/main/java/org/truffleruby/core/kernel/KernelNodes.java

@@ -334,6 +334,12 @@ RubyBinding binding(Frame callerFrame, Object self, Object[] rubyArgs, RootCallT
                 @Cached(
                         value = "getAdoptedNode(this).getEncapsulatingSourceSection()",
                         allowUncached = true, neverDefault = false) SourceSection sourceSection) {
+            final InternalMethod method = RubyArguments.tryGetMethod(callerFrame);
+            if (method == null || method.getDeclaringModule().toString().equals("Truffle::CExt")) {
+                throw new RaiseException(getContext(),
+                        coreExceptions().runtimeError("You cannot call Kernel#Binding from a non-ruby frame", this));
+
+            }
             needCallerFrame(callerFrame, target);
             return BindingNodes.createBinding(getContext(), getLanguage(), callerFrame.materialize(), sourceSection);
         }