Merge tag 'v3.2-rc7' into staging/for_v3.3

Linux 3.2-rc7

* tag 'v3.2-rc7': (1304 commits)
  Linux 3.2-rc7
  netfilter: xt_connbytes: handle negation correctly
  Btrfs: call d_instantiate after all ops are setup
  Btrfs: fix worker lock misuse in find_worker
  net: relax rcvbuf limits
  rps: fix insufficient bounds checking in store_rps_dev_flow_table_cnt()
  net: introduce DST_NOPEER dst flag
  mqprio: Avoid panic if no options are provided
  bridge: provide a mtu() method for fake_dst_ops
  md/bitmap: It is OK to clear bits during recovery.
  md: don't give up looking for spares on first failure-to-add
  md/raid5: ensure correct assessment of drives during degraded reshape.
  md/linear: fix hot-add of devices to linear arrays.
  sparc64: Fix MSIQ HV call ordering in pci_sun4v_msiq_build_irq().
  pata_of_platform: Add missing CONFIG_OF_IRQ dependency.
  ipv4: using prefetch requires including prefetch.h
  VFS: Fix race between CPU hotplug and lglocks
  vfs: __read_cache_page should use gfp argument rather than GFP_KERNEL
  USB: Fix usb/isp1760 build on sparc
  net: Add a flow_cache_flush_deferred function
  ...

Conflicts:
	drivers/media/common/tuners/tda18218.c
	drivers/media/video/omap3isp/ispccdc.c
	drivers/staging/media/as102/as102_drv.h

1 files changed, 8 insertions, 0 deletions

diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 027c7ff..a46c64e 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -111,6 +111,14 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
 	    ipv6_addr_loopback(&hdr->daddr))
 		goto err;
 
+	/*
+	 * RFC4291 2.7
+	 * Multicast addresses must not be used as source addresses in IPv6
+	 * packets or appear in any Routing header.
+	 */
+	if (ipv6_addr_is_multicast(&hdr->saddr))
+		goto err;
+
 	skb->transport_header = skb->network_header + sizeof(*hdr);
 	IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);