linux-kernel - [PATCH 3.14 01/39] xfrm: Fix installation of AH IPsec SAs

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Date:	Fri,  8 Aug 2014 14:34:47 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Fan Du <fan.du@...driver.com>,
	Tobias Brunner <tobias@...ongswan.org>,
	Steffen Klassert <steffen.klassert@...unet.com>
Subject: [PATCH 3.14 01/39] xfrm: Fix installation of AH IPsec SAs

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tobias Brunner <tobias@...ongswan.org>

[ Upstream commit a0e5ef53aac8e5049f9344857d8ec5237d31e58b ]

The SPI check introduced in ea9884b3acf3311c8a11db67bfab21773f6f82ba
was intended for IPComp SAs but actually prevented AH SAs from getting
installed (depending on the SPI).

Fixes: ea9884b3acf3 ("xfrm: check user specified spi for IPComp")
Cc: Fan Du <fan.du@...driver.com>
Signed-off-by: Tobias Brunner <tobias@...ongswan.org>
Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/xfrm/xfrm_user.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -176,9 +176,7 @@ static int verify_newsa_info(struct xfrm
 		    attrs[XFRMA_ALG_AEAD]	||
 		    attrs[XFRMA_ALG_CRYPT]	||
 		    attrs[XFRMA_ALG_COMP]	||
-		    attrs[XFRMA_TFCPAD]		||
-		    (ntohl(p->id.spi) >= 0x10000))
-
+		    attrs[XFRMA_TFCPAD])
 			goto out;
 		break;
 
@@ -206,7 +204,8 @@ static int verify_newsa_info(struct xfrm
 		    attrs[XFRMA_ALG_AUTH]	||
 		    attrs[XFRMA_ALG_AUTH_TRUNC]	||
 		    attrs[XFRMA_ALG_CRYPT]	||
-		    attrs[XFRMA_TFCPAD])
+		    attrs[XFRMA_TFCPAD]		||
+		    (ntohl(p->id.spi) >= 0x10000))
 			goto out;
 		break;
 


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