bool cg_completion_timeout(void *fn, void *fnarg, int timeout)
{
	struct cg_completion *cgc;
	pthread_t pthread;
	bool ret = false;

	cgc = malloc(sizeof(struct cg_completion));
	if (unlikely(!cgc))
		return ret;
	cgsem_init(&cgc->cgsem);
	cgc->fn = fn;
	cgc->fnarg = fnarg;

	pthread_create(&pthread, NULL, completion_thread, (void *)cgc);

	ret = cgsem_mswait(&cgc->cgsem, timeout);
	if (!ret) {
		pthread_join(pthread, NULL);
		free(cgc);
	} else
		pthread_cancel(pthread);
	return !ret;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.