1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index a0902fbdb4e1..281aee42d3f0 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -883,8 +883,8 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
          */
         max_headroom += LL_RESERVED_SPACE(tdev);
 
-        if (skb_headroom(skb) < max_headroom ||
-            skb_cloned(skb) || skb_shared(skb)) {
+        if (skb_headroom(skb) < max_headroom || skb_shared(skb) ||
+            (skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
                 struct sk_buff *new_skb;
 
                 if (!(new_skb = skb_realloc_headroom(skb, max_headroom)))