`exploit` command fails with `grpc InactiveRpcError (signal main thread)`

[krpandrei05]

Running the following command:

poetry run automatic_exploit_generation exploit \
  --exploiter=ZERATOOL \
  --elf=examples/test.elf \
  --stream=STDIN \
  --mitigation=NX \
  --weakness=STACK_OUT_OF_BOUND_WRITE

produces the following error:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/automatic_exploit_generation/cli.py", line 133, in main
    cli(prog_name="automatic_exploit_generation")
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/click/core.py", line 1569, in __call__
    return self.main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/click/core.py", line 1490, in main
    rv = self.invoke(ctx)
         ^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/click/core.py", line 1970, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/click/core.py", line 1353, in invoke
    return ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/click/core.py", line 907, in invoke
    return callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/automatic_exploit_generation/cli.py", line 73, in exploit
    generated_exploit = exploiter.exploit()
                        ^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/automatic_exploit_generation/exploiters/base_exploiter.py", line 52, in exploit
    return self._exploit()
           ^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/automatic_exploit_generation/exploiters/zeratool/zeratool.py", line 132, in _exploit
    exploit = self._run_exploitation_in_container(
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/automatic_exploit_generation/exploiters/zeratool/zeratool.py", line 81, in _run_exploitation_in_container
    exploit = self._request_exploitation_to_grpc_service(
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/automatic_exploit_generation/exploiters/zeratool/zeratool.py", line 111, in _request_exploitation_to_grpc_service
    response = stub.Exploit(query)
               ^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/grpc/_channel.py", line 1159, in __call__
    return _end_unary_response_blocking(state, call, False, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/krpandrei/andreiOpenCRS/automatic_exploit_generation/.venv/lib/python3.12/site-packages/grpc/_channel.py", line 990, in _end_unary_response_blocking
    raise _InactiveRpcError(state)  # pytype: disable=not-instantiable
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
        status = StatusCode.UNKNOWN
        details = "Exception calling application: signal only works in main thread of the main interpreter"
        debug_error_string = "UNKNOWN:Exception calling application: signal only works in main thread of the main interpreter"