1 files changed, 4 insertions, 1 deletions

diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index b64fff30eb06..3ac5ab264fed 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -138,7 +138,10 @@ static int __xfrm6_output(struct sk_buff *skb)
 {
         struct dst_entry *dst = skb_dst(skb);
         struct xfrm_state *x = dst->xfrm;
-        int mtu = ip6_skb_dst_mtu(skb);
+        int mtu = xfrm_skb_dst_mtu(skb);
+
+        if (mtu < IPV6_MIN_MTU)
+                mtu = IPV6_MIN_MTU;
 
         if (skb->len > mtu && xfrm6_local_dontfrag(skb)) {
                 xfrm6_local_rxpmtu(skb, mtu);