static void stream_int_shutr(struct stream_interface *si)
{
	si->ib->flags &= ~CF_SHUTR_NOW;
	if (si->ib->flags & CF_SHUTR)
		return;
	si->ib->flags |= CF_SHUTR;
	si->ib->rex = TICK_ETERNITY;
	si->flags &= ~SI_FL_WAIT_ROOM;

	if (si->state != SI_ST_EST && si->state != SI_ST_CON)
		return;

	if (si->ob->flags & CF_SHUTW) {
		si->state = SI_ST_DIS;
		si->exp = TICK_ETERNITY;
		si_applet_release(si);
	}
	else if (si->flags & SI_FL_NOHALF) {
		/* we want to immediately forward this close to the write side */
		return stream_int_shutw(si);
	}

	/* note that if the task exists, it must unregister itself once it runs */
	if (!(si->flags & SI_FL_DONT_WAKE) && si->owner)
		task_wakeup(si->owner, TASK_WOKEN_IO);
}

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