I was walking down the hallway and hugging the wall on first floor when game glitched me through a door into the room on left side of stairs as you come in through front door. I have been stuck in here for two days now trying to jump/walk over out of the geometry back to the play field.
I could kill myself if a last resort by firing a shot and letting a zombie kill me but I would then have to quit the game entirely as my regular hardcore server character just died falling from a ladder last night and is now in a death/unconscious loop, also unplayable.