1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 6791aac06ea9..39a5e7a9a77f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2305,7 +2305,8 @@ struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb,
                 /* Packet is from an untrusted source, reset gso_segs. */
                 int type = skb_shinfo(skb)->gso_type;
 
-                if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY) ||
+                if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY |
+                                      SKB_GSO_GRE) ||
                              !(type & (SKB_GSO_UDP))))
                         goto out;