def main():
    _validate_untrusted_args(sys.argv)
    parser = get_argparser()
    argv = sys.argv[1:]
    args = parser.parse_args(argv)
    if args.json_args is not None:
        args = _unpack_json_args(args)
    earlyinit.early_init(args)
    # We do this imports late as earlyinit needs to be run first (because of
    # version checking and other early initialization)
    from qutebrowser import app
    return app.run(args)
The application constructs the name of a file or other resource using input from an upstream component, but it does not restrict or incorrectly restricts the resulting name.