esp6: Fix integrity verification when ESN are used

When handling inbound packets, the two halves of the sequence number
stored on the skb are already in network order.

Fixes: 000ae7b2690e ("esp6: Switch to new AEAD interface")
Signed-off-by: Tobias Brunner <tobias@strongswan.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 060a60b2f8a6db074167e389b56893337c887fe9..111ba55fd512fb9f2b6f6af6c7084b71cc9bbf22 100644 (file)
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -418,7 +418,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
                esph = (void *)skb_push(skb, 4);
                *seqhi = esph->spi;
                esph->spi = esph->seq_no;
-               esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.input.hi);
+               esph->seq_no = XFRM_SKB_CB(skb)->seq.input.hi;
                aead_request_set_callback(req, 0, esp_input_done_esn, skb);
        }