diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index fec32e4b1827..974f3a559761 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3695,6 +3695,11 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb,
 
 	skb_push(skb, -skb_network_offset(skb) + offset);
 
+	/* Ensure the head is writeable before touching the shared info */
+	err = skb_unclone(skb, GFP_ATOMIC);
+	if (err)
+		goto err_linearize;
+
 	skb_shinfo(skb)->frag_list = NULL;
 
 	while (list_skb) {