Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (31 commits)
  [BRIDGE]: Fix crash in __ip_route_output_key with bridge netfilter
  [NETFILTER]: ipt_CLUSTERIP: fix race between clusterip_config_find_get and _entry_put
  [IPV6] ADDRCONF: Don't generate temporary address for ip6-ip6 interface.
  [IPV6] ADDRCONF: Ensure disabling multicast RS even if privacy extensions are disabled.
  [IPV6]: Use appropriate sock tclass setting for routing lookup.
  [IPV6]: IPv6 extension header structures need to be packed.
  [IPV6]: Fix ipv6 address fetching in raw6_icmp_error().
  [NET]: Return more appropriate error from eth_validate_addr().
  [ISDN]: Do not validate ISDN net device address prior to interface-up
  [NET]: Fix kernel-doc for skb_segment
  [SOCK] sk_stamp: should be initialized to ktime_set(-1L, 0)
  net: check for underlength tap writes
  net: make struct tun_struct private to tun.c
  [SCTP]: IPv4 vs IPv6 addresses mess in sctp_inet[6]addr_event.
  [SCTP]: Fix compiler warning about const qualifiers
  [SCTP]: Fix protocol violation when receiving an error lenght INIT-ACK
  [SCTP]: Add check for hmac_algo parameter in sctp_verify_param()
  [NET_SCHED] cls_u32: refcounting fix for u32_delete()
  [DCCP]: Fix skb->cb conflicts with IP
  [AX25]: Potential ax25_uid_assoc-s leaks on module unload.
  ...

8 files changed, 63 insertions, 11 deletions

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index b1e05d719f9..85f1495e0ed 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -110,8 +110,9 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
 		spin_lock_bh(&sctp_local_addr_lock);
 		list_for_each_entry_safe(addr, temp,
 					&sctp_local_addr_list, list) {
-			if (ipv6_addr_equal(&addr->a.v6.sin6_addr,
-					     &ifa->addr)) {
+			if (addr->a.sa.sa_family == AF_INET6 &&
+					ipv6_addr_equal(&addr->a.v6.sin6_addr,
+						&ifa->addr)) {
 				found = 1;
 				addr->valid = 0;
 				list_del_rcu(&addr->list);
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 1bb3c5c35d2..c0714469233 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -793,6 +793,9 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 			break;
 
 		case SCTP_CID_ABORT:
+			if (sctp_test_T_bit(chunk)) {
+				packet->vtag = asoc->c.my_vtag;
+			}
 		case SCTP_CID_SACK:
 		case SCTP_CID_HEARTBEAT:
 		case SCTP_CID_HEARTBEAT_ACK:
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index f90091a1b9c..c2dd65d9f38 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -647,7 +647,9 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
 		spin_lock_bh(&sctp_local_addr_lock);
 		list_for_each_entry_safe(addr, temp,
 					&sctp_local_addr_list, list) {
-			if (addr->a.v4.sin_addr.s_addr == ifa->ifa_local) {
+			if (addr->a.sa.sa_family == AF_INET &&
+					addr->a.v4.sin_addr.s_addr ==
+					ifa->ifa_local) {
 				found = 1;
 				addr->valid = 0;
 				list_del_rcu(&addr->list);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 578630e8e00..36ebb392472 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1982,7 +1982,10 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
 					struct sctp_chunk *chunk,
 					struct sctp_chunk **err_chunk)
 {
+	struct sctp_hmac_algo_param *hmacs;
 	int retval = SCTP_IERROR_NO_ERROR;
+	__u16 n_elt, id = 0;
+	int i;
 
 	/* FIXME - This routine is not looking at each parameter per the
 	 * chunk type, i.e., unrecognized parameters should be further
@@ -2056,9 +2059,29 @@ static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
 		break;
 
 	case SCTP_PARAM_HMAC_ALGO:
-		if (sctp_auth_enable)
-			break;
-		/* Fall Through */
+		if (!sctp_auth_enable)
+			goto fallthrough;
+
+		hmacs = (struct sctp_hmac_algo_param *)param.p;
+		n_elt = (ntohs(param.p->length) - sizeof(sctp_paramhdr_t)) >> 1;
+
+		/* SCTP-AUTH: Section 6.1
+		 * The HMAC algorithm based on SHA-1 MUST be supported and
+		 * included in the HMAC-ALGO parameter.
+		 */
+		for (i = 0; i < n_elt; i++) {
+			id = ntohs(hmacs->hmac_ids[i]);
+
+			if (id == SCTP_AUTH_HMAC_ID_SHA1)
+				break;
+		}
+
+		if (id != SCTP_AUTH_HMAC_ID_SHA1) {
+			sctp_process_inv_paramlength(asoc, param.p, chunk,
+						     err_chunk);
+			retval = SCTP_IERROR_ABORT;
+		}
+		break;
 fallthrough:
 	default:
 		SCTP_DEBUG_PRINTK("Unrecognized param: %d for chunk %d.\n",
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 28eb38eb608..a4763fd24fd 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1536,6 +1536,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 			error = sctp_auth_asoc_init_active_key(asoc,
 						GFP_ATOMIC);
 			break;
+		case SCTP_CMD_UPDATE_INITTAG:
+			asoc->peer.i.init_tag = cmd->obj.u32;
+			break;
 
 		default:
 			printk(KERN_WARNING "Impossible command: %u, %p\n",
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index f2ed6473fee..07194c2a32d 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -4144,6 +4144,24 @@ static sctp_disposition_t sctp_sf_abort_violation(
 		goto nomem;
 
 	if (asoc) {
+		/* Treat INIT-ACK as a special case during COOKIE-WAIT. */
+		if (chunk->chunk_hdr->type == SCTP_CID_INIT_ACK &&
+		    !asoc->peer.i.init_tag) {
+			sctp_initack_chunk_t *initack;
+
+			initack = (sctp_initack_chunk_t *)chunk->chunk_hdr;
+			if (!sctp_chunk_length_valid(chunk,
+						     sizeof(sctp_initack_chunk_t)))
+				abort->chunk_hdr->flags |= SCTP_CHUNK_FLAG_T;
+			else {
+				unsigned int inittag;
+
+				inittag = ntohl(initack->init_hdr.init_tag);
+				sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_INITTAG,
+						SCTP_U32(inittag));
+			}
+		}
+
 		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
 		SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
 
@@ -4349,6 +4367,7 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep,
 				       sctp_cmd_seq_t *commands)
 {
 	struct sctp_chunk *repl;
+	struct sctp_association* my_asoc;
 
 	/* The comment below says that we enter COOKIE-WAIT AFTER
 	 * sending the INIT, but that doesn't actually work in our
@@ -4372,8 +4391,8 @@ sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep,
 	/* Cast away the const modifier, as we want to just
 	 * rerun it through as a sideffect.
 	 */
-	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC,
-			SCTP_ASOC((struct sctp_association *) asoc));
+	my_asoc = (struct sctp_association *)asoc;
+	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(my_asoc));
 
 	/* Choose transport for INIT. */
 	sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT,
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d994d822900..998e63a3131 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5868,11 +5868,12 @@ SCTP_STATIC int sctp_msghdr_parse(const struct msghdr *msg,
 				  sctp_cmsgs_t *cmsgs)
 {
 	struct cmsghdr *cmsg;
+	struct msghdr *my_msg = (struct msghdr *)msg;
 
 	for (cmsg = CMSG_FIRSTHDR(msg);
 	     cmsg != NULL;
-	     cmsg = CMSG_NXTHDR((struct msghdr*)msg, cmsg)) {
-		if (!CMSG_OK(msg, cmsg))
+	     cmsg = CMSG_NXTHDR(my_msg, cmsg)) {
+		if (!CMSG_OK(my_msg, cmsg))
 			return -EINVAL;
 
 		/* Should we parse this header or ignore?  */
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index b43f1f110f8..ce6cda6b699 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -859,7 +859,7 @@ __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event)
 	union sctp_notification *notification;
 	struct sk_buff *skb;
 
-	skb = sctp_event2skb((struct sctp_ulpevent *)event);
+	skb = sctp_event2skb(event);
 	notification = (union sctp_notification *) skb->data;
 	return notification->sn_header.sn_type;
 }