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| author | Haibo Xi <haibbo@gmail.com> | 2012-12-06 23:42:17 +0000 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-12-16 23:41:25 +0100 |
| commit | 97cf00e93cc24898493e7a058105e3215257ee04 (patch) | |
| tree | 2e5dc412ebebf1cc54ad434017db90cb5aa6a2cf /net | |
| parent | d7a769ff0e8f908ae8113fe523e7806b6d0b5fc7 (diff) | |
| download | linux-stable-97cf00e93cc24898493e7a058105e3215257ee04.tar.gz linux-stable-97cf00e93cc24898493e7a058105e3215257ee04.tar.bz2 linux-stable-97cf00e93cc24898493e7a058105e3215257ee04.zip | |
netfilter: nf_ct_reasm: fix conntrack reassembly expire code
Commit b836c99fd6c9 (ipv6: unify conntrack reassembly expire
code with standard one) use the standard IPv6 reassembly
code(ip6_expire_frag_queue) to handle conntrack reassembly expire.
In ip6_expire_frag_queue, it invoke dev_get_by_index_rcu to get
which device received this expired packet.so we must save ifindex
when NF_conntrack get this packet.
With this patch applied, I can see ICMP Time Exceeded sent
from the receiver when the sender sent out 1/2 fragmented
IPv6 packet.
Signed-off-by: Haibo Xi <haibbo@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/netfilter/nf_conntrack_reasm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 22c8ea951185..3dacecc99065 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -311,7 +311,10 @@ found: else fq->q.fragments = skb; - skb->dev = NULL; + if (skb->dev) { + fq->iif = skb->dev->ifindex; + skb->dev = NULL; + } fq->q.stamp = skb->tstamp; fq->q.meat += skb->len; if (payload_len > fq->q.max_size) |