1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 2d9e495cf691..12c5a4dec09e 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -354,10 +354,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
         if (!pskb_may_pull(skb, ah_hlen))
                 goto out;
 
-        tmp_hdr = kmalloc(hdr_len, GFP_ATOMIC);
+        tmp_hdr = kmemdup(skb->nh.raw, hdr_len, GFP_ATOMIC);
         if (!tmp_hdr)
                 goto out;
-        memcpy(tmp_hdr, skb->nh.raw, hdr_len);
         if (ipv6_clear_mutable_options(skb->nh.ipv6h, hdr_len, XFRM_POLICY_IN))
                 goto free_out;
         skb->nh.ipv6h->priority    = 0;