void getnstimeofday(struct timespec *tv)
{
	struct timeval x;

	do_gettimeofday(&x);
	tv->tv_sec = x.tv_sec;
	tv->tv_nsec = x.tv_usec * NSEC_PER_USEC;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.