This is a note to let you know that I've just added the patch titled
bridge: check return value of ipv6_dev_get_saddr()
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
bridge-check-return-value-of-ipv6_dev_get_saddr.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 070413ec1d7df89c4e063d0ad10fa9b390935614 Mon Sep 17 00:00:00 2001
From: Ulrich Weber <[email protected]>
Date: Mon, 5 Mar 2012 04:52:44 +0000
Subject: bridge: check return value of ipv6_dev_get_saddr()
From: Ulrich Weber <[email protected]>
[ Upstream commit d1d81d4c3dd886d5fa25a2c4fa1e39cb89613712 ]
otherwise source IPv6 address of ICMPV6_MGM_QUERY packet
might be random junk if IPv6 is disabled on interface or
link-local address is not yet ready (DAD).
Signed-off-by: Ulrich Weber <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/bridge/br_multicast.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -446,8 +446,11 @@ static struct sk_buff *br_ip6_multicast_
ip6h->nexthdr = IPPROTO_HOPOPTS;
ip6h->hop_limit = 1;
ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
- ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
- &ip6h->saddr);
+ if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
+ &ip6h->saddr)) {
+ kfree_skb(skb);
+ return NULL;
+ }
ipv6_eth_mc_map(&ip6h->daddr, eth->h_dest);
hopopt = (u8 *)(ip6h + 1);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.0/bridge-check-return-value-of-ipv6_dev_get_saddr.patch
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