diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 298efc76a56b..69fe5717846b 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -318,6 +318,11 @@ static int gtp_inner_proto(struct sk_buff *skb, unsigned int hdrlen,
 static int gtp_rx(struct pdp_ctx *pctx, struct sk_buff *skb,
 		  unsigned int hdrlen, unsigned int role, __u16 inner_proto)
 {
+	if (skb_is_gso(skb)) {
+		netdev_dbg(pctx->dev, "GSO is not supported in GTP\n");
+		goto err;
+	}
+
 	if (!gtp_check_ms(skb, pctx, hdrlen, role, inner_proto)) {
 		netdev_dbg(pctx->dev, "No PDP ctx for this MS\n");
 		return 1;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 671c13494566..421f6fc45451 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3082,6 +3082,11 @@ static inline bool skb_transport_header_was_set(const struct sk_buff *skb)
 	return skb->transport_header != (typeof(skb->transport_header))~0U;
 }
 
+static inline void skb_unset_transport_header(struct sk_buff *skb)
+{
+	skb->transport_header = (typeof(skb->transport_header))~0U;
+}
+
 static inline unsigned char *skb_transport_header(const struct sk_buff *skb)
 {
 	DEBUG_NET_WARN_ON_ONCE(!skb_transport_header_was_set(skb));
diff --git a/net/core/gro_cells.c b/net/core/gro_cells.c
index 1b84385c04bd..d8c0a2867120 100644
--- a/net/core/gro_cells.c
+++ b/net/core/gro_cells.c
@@ -22,6 +22,8 @@ int gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb)
 	if (unlikely(!(dev->flags & IFF_UP)))
 		goto drop;
 
+	skb_unset_transport_header(skb);
+
 	if (!gcells->cells || skb_cloned(skb) || netif_elide_gro(dev)) {
 		res = netif_rx(skb);
 		goto unlock;