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

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (35 commits)
  [IPV6]: Deinline few large functions in inet6 code
  [IPV4] ip_fragment: Always compute hash with ipfrag_lock held.
  [NETFILTER]: Fix DNAT in LOCAL_OUT
  [X25]: Restore skb->dev setting in x25_type_trans().
  [NET]: Fix hotplug race during device registration.
  [IPV6]: Unexport secure_ipv6_port_ephemeral
  [NETFILTER]: Fix build with CONFIG_NETFILTER=y/m on IA64
  [NET]: More kzalloc conversions.
  [NET] kzalloc: use in alloc_netdev
  [PKT_SCHED] act_police: Rename methods.
  [TG3]: Speed up SRAM access (2nd version)
  [TG3]: Kill some less useful flags
  [NETFILTER]: H.323 helper: remove changelog
  [NETFILTER]: Convert conntrack/ipt_REJECT to new checksumming functions
  [NETFILTER]: Add address family specific checksum helpers
  [NETFILTER]: Introduce infrastructure for address family specific operations
  [NETFILTER]: Fix IP_NF_CONNTRACK_NETLINK dependency
  [NETFILTER]: H.323 helper: add parameter 'default_rrq_ttl'
  [NETFILTER]: H.323 helper: make get_h245_addr() static
  [NETFILTER]: H.323 helper: change EXPORT_SYMBOL to EXPORT_SYMBOL_GPL
  ...

1 files changed, 8 insertions, 0 deletions

diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 5659b52284..0ef9a35798 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -19,11 +19,13 @@
  *              YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
  */
 
+#include <linux/icmpv6.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <net/ipv6.h>
 #include <net/protocol.h>
 #include <net/xfrm.h>
 
@@ -87,10 +89,16 @@ static int tunnel6_rcv(struct sk_buff **pskb)
         struct sk_buff *skb = *pskb;
         struct xfrm6_tunnel *handler;
 
+        if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+                goto drop;
+
         for (handler = tunnel6_handlers; handler; handler = handler->next)
                 if (!handler->handler(skb))
                         return 0;
 
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+
+drop:
         kfree_skb(skb);
         return 0;
 }