ipvs: SCTP ports should be writable in ICMP packets

Make sure that SCTP ports are writable when embedded in ICMP
from client, so that ip_vs_nat_icmp can translate them safely.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 05565d2b3a61..23b8eb53a569 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1442,7 +1442,8 @@ ignore_ipip:
 
         /* do the statistics and put it back */
         ip_vs_in_stats(cp, skb);
-        if (IPPROTO_TCP == cih->protocol || IPPROTO_UDP == cih->protocol)
+        if (IPPROTO_TCP == cih->protocol || IPPROTO_UDP == cih->protocol ||
+            IPPROTO_SCTP == cih->protocol)
                 offset += 2 * sizeof(__u16);
         verdict = ip_vs_icmp_xmit(skb, cp, pp, offset, hooknum, &ciph);