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net: ipvs: sctp: add missing verdict assignments in sctp_conn_schedule

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If skb_header_pointer() fails, we need to assign a verdict, that is
NF_DROP in this case, otherwise, we would leave the verdict from
conn_schedule() uninitialized when returning.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Daniel Borkmann 2013-10-25 11:05:04 +02:00 committed by Simon Horman
parent 6b8dbcf2c4
commit 6e7cd27c0f
1 changed files with 7 additions and 2 deletions
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9
net/netfilter/ipvs/ip_vs_proto_sctp.c
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@ -20,13 +20,18 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
sctp_sctphdr_t *sh, _sctph;
sh = skb_header_pointer(skb, iph->len, sizeof(_sctph), &_sctph);
if (sh == NULL)
if (sh == NULL) {
*verdict = NF_DROP;
return 0;
}
sch = skb_header_pointer(skb, iph->len + sizeof(sctp_sctphdr_t),
sizeof(_schunkh), &_schunkh);
if (sch == NULL)
if (sch == NULL) {
*verdict = NF_DROP;
return 0;
}
net = skb_net(skb);
ipvs = net_ipvs(net);
rcu_read_lock();