Fix crash when calling a public Object method with invokesuper.

If the invokesuper is from a default method, fail the resolution as we
only expect interfaces in super calls from interface methods.

Test: 736-interface-super-Object
Change-Id: I7bd105cf1e441a9e575250db867678908b147477

1 files changed, 7 insertions, 0 deletions

diff --git a/runtime/entrypoints/entrypoint_utils-inl.h b/runtime/entrypoints/entrypoint_utils-inl.h
index 7ddf06f5ab..f0f8f8dce3 100644
--- a/runtime/entrypoints/entrypoint_utils-inl.h
+++ b/runtime/entrypoints/entrypoint_utils-inl.h
@@ -632,6 +632,13 @@ ALWAYS_INLINE ArtMethod* FindSuperMethodToCall(uint32_t method_idx,
   }
 
   if (referenced_class->IsInterface()) {
+    if (!resolved_method->GetDeclaringClass()->IsInterface()) {
+      // invoke-super from interface should not resolve to Object methods.
+      DCHECK(resolved_method->GetDeclaringClass()->IsObjectClass());
+      ThrowIncompatibleClassChangeError(
+          kSuper, resolved_method->GetInvokeType(), resolved_method, referrer);
+      return nullptr;
+    }
     // TODO We can do better than this for a (compiled) fastpath.
     ArtMethod* found_method = referenced_class->FindVirtualMethodForInterfaceSuper(
         resolved_method, linker->GetImagePointerSize());