SYSCALL_DEFINE1(ssetmask, int, newmask)
{
	int old = current->blocked.sig[0];
	sigset_t newset;

	siginitset(&newset, newmask);
	set_current_blocked(&newset);

	return old;
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.