import io
input_lines = ['windows\r\n']
joined = ''.join(input_lines)
encoding = 'utf-8'
newline = None
bufsize = 1
raw = io.BytesIO(joined.encode(encoding))
buf = io.BufferedReader(raw, buffer_size=bufsize)
textio = io.TextIOWrapper(buf, encoding=encoding, newline=newline)
textio.seek(2**63 - 1)
_ = textio.read(2)

python: ../Modules/_io/bytesio.c:616: _io_BytesIO_readinto_impl: Assertion `self->pos + len < PY_SSIZE_T_MAX' failed.
Aborted (core dumped)