4 files changed, 25 insertions, 14 deletions

diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index e64630cd3331..5b537613946f 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -482,8 +482,9 @@ int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp)
 		return 0;
 
 	/* Allocated the array of pointers to transorms */
-	ep->auth_hmacs = kzalloc(sizeof(struct crypto_shash *) *
-				 SCTP_AUTH_NUM_HMACS, gfp);
+	ep->auth_hmacs = kcalloc(SCTP_AUTH_NUM_HMACS,
+				 sizeof(struct crypto_shash *),
+				 gfp);
 	if (!ep->auth_hmacs)
 		return -ENOMEM;
 
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 79daa98208c3..bfb9f812e2ef 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -237,7 +237,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 	/* Account for a different sized first fragment */
 	if (msg_len >= first_len) {
 		msg->can_delay = 0;
-		SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_FRAGUSRMSGS);
+		if (msg_len > first_len)
+			SCTP_INC_STATS(sock_net(asoc->base.sk),
+				       SCTP_MIB_FRAGUSRMSGS);
 	} else {
 		/* Which may be the only one... */
 		first_len = msg_len;
diff --git a/net/sctp/output.c b/net/sctp/output.c
index e672dee302c7..7f849b01ec8e 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -409,6 +409,21 @@ static void sctp_packet_set_owner_w(struct sk_buff *skb, struct sock *sk)
 	refcount_inc(&sk->sk_wmem_alloc);
 }
 
+static void sctp_packet_gso_append(struct sk_buff *head, struct sk_buff *skb)
+{
+	if (SCTP_OUTPUT_CB(head)->last == head)
+		skb_shinfo(head)->frag_list = skb;
+	else
+		SCTP_OUTPUT_CB(head)->last->next = skb;
+	SCTP_OUTPUT_CB(head)->last = skb;
+
+	head->truesize += skb->truesize;
+	head->data_len += skb->len;
+	head->len += skb->len;
+
+	__skb_header_release(skb);
+}
+
 static int sctp_packet_pack(struct sctp_packet *packet,
 			    struct sk_buff *head, int gso, gfp_t gfp)
 {
@@ -422,7 +437,7 @@ static int sctp_packet_pack(struct sctp_packet *packet,
 
 	if (gso) {
 		skb_shinfo(head)->gso_type = sk->sk_gso_type;
-		NAPI_GRO_CB(head)->last = head;
+		SCTP_OUTPUT_CB(head)->last = head;
 	} else {
 		nskb = head;
 		pkt_size = packet->size;
@@ -503,15 +518,8 @@ merge:
 					 &packet->chunk_list);
 		}
 
-		if (gso) {
-			if (skb_gro_receive(&head, nskb)) {
-				kfree_skb(nskb);
-				return 0;
-			}
-			if (WARN_ON_ONCE(skb_shinfo(head)->gso_segs >=
-					 sk->sk_gso_max_segs))
-				return 0;
-		}
+		if (gso)
+			sctp_packet_gso_append(head, nskb);
 
 		pkt_count++;
 	} while (!list_empty(&packet->chunk_list));
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 11d93377ba5e..5dffbc493008 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1438,7 +1438,7 @@ static __init int sctp_init(void)
 	/* Allocate and initialize the endpoint hash table.  */
 	sctp_ep_hashsize = 64;
 	sctp_ep_hashtable =
-		kmalloc(64 * sizeof(struct sctp_hashbucket), GFP_KERNEL);
+		kmalloc_array(64, sizeof(struct sctp_hashbucket), GFP_KERNEL);
 	if (!sctp_ep_hashtable) {
 		pr_err("Failed endpoint_hash alloc\n");
 		status = -ENOMEM;