Check for stack overflow in GeneratorInnerFunction.

Summary: Other users of ScopedNativeCallFrame check `frame.overflowed()`, and we should do that in generators as well. Reviewed By: dulinriley Differential Revision: D17407933 fbshipit-source-id: fe785ddff356ed251e9ffddc7a7b1a2a8cdc2bed
facebook · Sep 18, 2019 · 4e33221 · 4e33221
1 parent 3995473
commit 4e33221
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/VM/Callable.cpp b/lib/VM/Callable.cpp
@@ -1404,6 +1404,8 @@ CallResult<HermesValue> GeneratorInnerFunction::callInnerFunction(
                               selfHandle.getHermesValue(),
                               newTarget,
                               ctx->at(0)};
+  if (LLVM_UNLIKELY(frame.overflowed()))
+    return runtime->raiseStackOverflow(Runtime::StackOverflowKind::NativeStack);
   for (ArrayStorage::size_type i = 0, e = argCount; i < e; ++i) {
     frame->getArgRef(i) = ctx->at(i + 1);
   }