The character limit defaults to 0, but should default to unlimited characters. Change-Id: Id925bde8290050e90b8071ad4218d347d19d742a
This prevents unlimited memory consumption in case the guest system enters an endless loop. Change-Id: Ia1bb178f7d8cb8ad8bf958210d90f6d7c2e11359
Change-Id: I8abe0cfdebecb0adc7229e29bd241da65b27105a