4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Artur Molchanov <arturmolchanov@xxxxxxxxx>
commit 14221cc45caad2fcab3a8543234bb7eda9b540d5 upstream.
Problem:
br_nf_pre_routing_finish() calls itself instead of
br_nf_pre_routing_finish_bridge(). Due to this bug reverse path filter drops
packets that go through bridge interface.
User impact:
Local docker containers with bridge network can not communicate with each
other.
Fixes: c5136b15ea36 ("netfilter: bridge: add and use br_nf_hook_thresh")
Signed-off-by: Artur Molchanov <artur.molchanov@xxxxxxxxxx>
Acked-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/bridge/br_netfilter_hooks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -399,7 +399,7 @@ bridged_dnat:
br_nf_hook_thresh(NF_BR_PRE_ROUTING,
net, sk, skb, skb->dev,
NULL,
- br_nf_pre_routing_finish);
+ br_nf_pre_routing_finish_bridge);
return 0;
}
ether_addr_copy(eth_hdr(skb)->h_dest, dev->dev_addr);
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