# Tests potential DOS of IcnsImagePlugin with 0 length block. # Run from anywhere that PIL is importable. from PIL import Image from io import BytesIO if bytes is str: Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00'))) else: Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00', 'latin-1')))