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authorPatrick McHardy <kaber@trash.net>2006-05-29 18:21:53 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-17 21:28:55 -0700
commit6442f1cf897643d4ca597f2f7d3464b765bae960 (patch)
tree0708a7d312c1db1f78c20df9cbdfc9f5e6218523 /net/ipv6/netfilter
parent404bdbfd242cb99ca0e9d3eb5fbb5bcd54123081 (diff)
[NETFILTER]: conntrack: don't call helpers for related ICMP messages
None of the existing helpers expects to get called for related ICMP packets and some even drop them if they can't parse them. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/netfilter')
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 93bae36f2663..2a71c3b669f1 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -189,7 +189,7 @@ static unsigned int ipv6_confirm(unsigned int hooknum,
/* This is where we call the helper: as the packet goes out. */
ct = nf_ct_get(*pskb, &ctinfo);
- if (!ct)
+ if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)
goto out;
help = nfct_help(ct);