From: Julian Anastasov ja@ssi.bg
This patch has been added to the stable tree. If you have any objections, please let us know.
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[ Upstream commit 6e28099d38c0e50d62c1afc054e37e573adf3d21 ]
Restore the lost masking of TOS in input route code to allow ip rules to match it properly.
Problem [1] noticed by Shmulik Ladkani shmulik.ladkani@gmail.com
[1] http://marc.info/?t=137331755300040&r=1&w=2
Fixes: 89aef8921bfb ("ipv4: Delete routing cache.") Signed-off-by: Julian Anastasov ja@ssi.bg Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- net/ipv4/route.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 6141fef3a64b..8f29e29f18a1 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1887,6 +1887,7 @@ int ip_route_input_noref(struct sk_buff *skb, __be32 daddr, __be32 saddr, { int res;
+ tos &= IPTOS_RT_MASK; rcu_read_lock();
/* Multicast recognition logic is moved from route cache to here.