static void sctp_bucket_destroy(struct sctp_bind_bucket *pp)
{
	if (pp && hlist_empty(&pp->owner)) {
		__hlist_del(&pp->node);
		kmem_cache_free(sctp_bucket_cachep, pp);
		SCTP_DBG_OBJCNT_DEC(bind_bucket);
	}
}

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.