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Commit 0cc535a2 authored by Julian Anastasov's avatar Julian Anastasov Committed by David S. Miller
Browse files

ipv4: fix address selection in fib_compute_spec_dst 



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: default avatarJulian Anastasov <ja@ssi.bg>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6255e5ea

net/ipv4/fib_frontend.c

+2 −1
Original line number Diff line number Diff line
@@ -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);