[PATCH] ipv4: fix address selection in fib_compute_spec_dst
From: Julian Anastasov <ja@ssi.bg>
Date: 2012-07-19 07:28:00
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
ip_options_compile can be called for forwarded packets, make sure the specific-destionation address is a local one as specified in RFC 1812, 4.2.2.2 Addresses in Options Signed-off-by: Julian Anastasov <ja@ssi.bg> --- net/ipv4/fib_frontend.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 7a31194..b832036 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c@@ -206,7 +206,8 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb) int scope; rt = skb_rtable(skb); - if (!(rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))) + if ((rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST | RTCF_LOCAL)) == + RTCF_LOCAL) return ip_hdr(skb)->daddr; in_dev = __in_dev_get_rcu(dev);
--
1.7.3.4