#!/usr/bin/python3

import ujson

def poc():
    """Proof of Concept for ujson SystemError bug
    
    Expected: JSONDecodeError
    Actual: SystemError
    """
    hex_string = "7b7b2261223a2262227d3a2263227d"
    bytes_data = bytes.fromhex(hex_string)
    json_str = bytes_data.decode('utf-8')
    
    try:
        ujson_data = ujson.loads(json_str)
    except (ValueError, TypeError) as e:
        print(f"Expected error: {type(e).__name__}: {str(e)}")
        return
    except SystemError as e:
        print(f"Bug triggered! SystemError: {str(e)}")
        import traceback
        traceback.print_exc()
        return
    except Exception as e:
        print(f"Unexpected error: {type(e).__name__}: {str(e)}")
        return
    
if __name__ == "__main__":
    poc()