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[IPSEC]: Fix IPv6 AH calculation in outbound

Signed-off-by: Kazunori MIYAZAWA <miyazawa@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kazunori MIYAZAWA 18 жил өмнө
parent
commit
144466bdf8
1 өөрчлөгдсөн 1 нэмэгдсэн , 1 устгасан
  1. 1 1
      net/ipv6/ah6.c

+ 1 - 1
net/ipv6/ah6.c

@@ -247,7 +247,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 	memcpy(tmp_base, top_iph, sizeof(tmp_base));
 
 	tmp_ext = NULL;
-	extlen = skb_transport_offset(skb) + sizeof(struct ipv6hdr);
+	extlen = skb_transport_offset(skb) - sizeof(struct ipv6hdr);
 	if (extlen) {
 		extlen += sizeof(*tmp_ext);
 		tmp_ext = kmalloc(extlen, GFP_ATOMIC);