static void kvp_acquire_lock(int pool)
{
	struct flock fl = {F_WRLCK, SEEK_SET, 0, 0, 0};
	fl.l_pid = getpid();

	if (fcntl(kvp_file_info[pool].fd, F_SETLKW, &fl) == -1) {
		syslog(LOG_ERR, "Failed to acquire the lock pool: %d", pool);
		exit(-1);
	}
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.