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esp4: Fix integrity verification when ESN are used

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

Fixes: 7021b2e1cd ("esp4: 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>
This commit is contained in:
Tobias Brunner 2016-11-29 17:05:20 +01:00 committed by Steffen Klassert
parent 83e2d0587a
commit 7c7fedd51c
1 changed files with 1 additions and 1 deletions
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net/ipv4/esp4.c
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@ -476,7 +476,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
esph = (void *)skb_push(skb, 4); esph = (void *)skb_push(skb, 4);
*seqhi = esph->spi; *seqhi = esph->spi;
esph->spi = esph->seq_no; 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); aead_request_set_callback(req, 0, esp_input_done_esn, skb);
} }