1 files changed, 12 insertions, 3 deletions

diff --git a/net/sctp/input.c b/net/sctp/input.c
index 64f630102532..33111873a488 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -135,6 +135,9 @@ int sctp_rcv(struct sk_buff *skb)
 
 	SCTP_INC_STATS_BH(SCTP_MIB_INSCTPPACKS);
 
+	if (skb_linearize(skb))
+		goto discard_it;
+
 	sh = (struct sctphdr *) skb->h.raw;
 
 	/* Pull up the IP and SCTP headers. */
@@ -723,7 +726,7 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *l
 	struct sctp_endpoint *ep;
 	int hash;
 
-	hash = sctp_ep_hashfn(laddr->v4.sin_port);
+	hash = sctp_ep_hashfn(ntohs(laddr->v4.sin_port));
 	head = &sctp_ep_hashtable[hash];
 	read_lock(&head->lock);
 	for (epb = head->chain; epb; epb = epb->next) {
@@ -768,6 +771,9 @@ static void __sctp_hash_established(struct sctp_association *asoc)
 /* Add an association to the hash. Local BH-safe. */
 void sctp_hash_established(struct sctp_association *asoc)
 {
+	if (asoc->temp)
+		return;
+
 	sctp_local_bh_disable();
 	__sctp_hash_established(asoc);
 	sctp_local_bh_enable();
@@ -801,6 +807,9 @@ static void __sctp_unhash_established(struct sctp_association *asoc)
 /* Remove association from the hash table.  Local BH-safe. */
 void sctp_unhash_established(struct sctp_association *asoc)
 {
+	if (asoc->temp)
+		return;
+
 	sctp_local_bh_disable();
 	__sctp_unhash_established(asoc);
 	sctp_local_bh_enable();
@@ -821,7 +830,7 @@ static struct sctp_association *__sctp_lookup_association(
 	/* Optimize here for direct hit, only listening connections can
 	 * have wildcards anyways.
 	 */
-	hash = sctp_assoc_hashfn(local->v4.sin_port, peer->v4.sin_port);
+	hash = sctp_assoc_hashfn(ntohs(local->v4.sin_port), ntohs(peer->v4.sin_port));
 	head = &sctp_assoc_hashtable[hash];
 	read_lock(&head->lock);
 	for (epb = head->chain; epb; epb = epb->next) {
@@ -948,7 +957,7 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
 		if (!af)
 			continue;
 
-		af->from_addr_param(paddr, params.addr, ntohs(sh->source), 0);
+		af->from_addr_param(paddr, params.addr, sh->source, 0);
 
 		asoc = __sctp_lookup_association(laddr, paddr, &transport);
 		if (asoc)