| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.8 44/45] esp4: Fix integrity verification when ESN are used | Date | Fri, 9 Dec 2016 17:21:13 +0100 |
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4.8-stable review patch. If anyone has any objections, please let me know.
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From: Tobias Brunner <tobias@strongswan.org>
commit 7c7fedd51c02f4418e8b2eed64bdab601f882aa4 upstream.
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@strongswan.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- net/ipv4/esp4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -476,7 +476,7 @@ static int esp_input(struct xfrm_state * 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); }
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