static void *igmp_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
	struct ip_mc_list *im;
	if (v == SEQ_START_TOKEN)
		im = igmp_mc_get_first(seq);
	else
		im = igmp_mc_get_next(seq, v);
	++*pos;
	return im;
}

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.