t.Error(err)
	}
	const marker = "arrakis, dune, desert planet"
	childProc := helperCommand(t, "pipehandle", strconv.FormatUint(uint64(w.Fd()), 16), marker)
	childProc.SysProcAttr = &syscall.SysProcAttr{AdditionalInheritedHandles: []syscall.Handle{syscall.Handle(w.Fd())}}
	err = childProc.Start()
	if err != nil {
		t.Error(err)
	}
	w.Close()
	response, err := io.ReadAll(r)
	if err != nil {
		t.Error(err)
	}
	r.Close()

	cmd.Env = append(cmd.Env, fmt.Sprintf("GO_TEST_FUZZ_WORKER_HANDLES=%x,%x,%x", comm.fuzzIn.Fd(), comm.fuzzOut.Fd(), memFD))
	cmd.SysProcAttr = &syscall.SysProcAttr{AdditionalInheritedHandles: []syscall.Handle{syscall.Handle(comm.fuzzIn.Fd()), syscall.Handle(comm.fuzzOut.Fd()), syscall.Handle(memFD)}}
}

// getWorkerComm returns communication channels in the worker process.