netdev - [PATCH net 1/2] esp4: Fix integrity verification when ESN are used

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Date:   Tue, 29 Nov 2016 17:05:20 +0100
From:   Tobias Brunner <tobias@...ongswan.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Steffen Klassert <steffen.klassert@...unet.com>,
        netdev@...r.kernel.org
Subject: [PATCH net 1/2] esp4: 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: 7021b2e1cddd ("esp4: Switch to new AEAD interface")
Signed-off-by: Tobias Brunner <tobias@...ongswan.org>
---
 net/ipv4/esp4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index d95631d09248..20fb25e3027b 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -476,7 +476,7 @@ static int esp_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);
 	}
 
-- 
1.9.1