Fix segfault for task arguments passed by value (#6214)
Fix segfault for task arguments passed by value (#6214)

* Fix null data

* rename

robertnishihara/ray,richardliaw/ray,richardliaw/ray,ray-project/ray,stephanie-wang/ray,stephanie-wang/ray,richardliaw/ray,robertnishihara/ray,richardliaw/ray,ray-project/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,robertnishihara/ray,robertnishihara/ray,stephanie-wang/ray,richardliaw/ray,richardliaw/ray,richardliaw/ray,pcmoritz/ray-1,robertnishihara/ray,robertnishihara/ray,ray-project/ray,stephanie-wang/ray,robertnishihara/ray,ray-project/ray,stephanie-wang/ray,stephanie-wang/ray,pcmoritz/ray-1,robertnishihara/ray,richardliaw/ray,robertnishihara/ray,pcmoritz/ray-1,stephanie-wang/ray,stephanie-wang/ray,ray-project/ray,stephanie-wang/ray,ray-project/ray,pcmoritz/ray-1