linux-kernel - [ 68/82] sctp: fix call to SCTP_CMD_PROCESS_SACK in sctp_cmd

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Message-Id: <20121114053943.220056977@decadent.org.uk>
Date:	Wed, 14 Nov 2012 05:40:41 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Zijie Pan <zijie.pan@...nd.com>,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Vlad Yasevich <vyasevich@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 68/82] sctp: fix call to SCTP_CMD_PROCESS_SACK in  sctp_cmd_interpreter()

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

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

From: Zijie Pan <zijie.pan@...nd.com>

[ Upstream commit f6e80abeab928b7c47cc1fbf53df13b4398a2bec ]

Bug introduced by commit edfee0339e681a784ebacec7e8c2dc97dc6d2839
(sctp: check src addr when processing SACK to update transport state)

Signed-off-by: Zijie Pan <zijie.pan@...nd.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Acked-by: Vlad Yasevich <vyasevich@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/sctp/sm_sideeffect.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 76388b0..9032d50 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1604,8 +1604,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 					asoc->outqueue.outstanding_bytes;
 			sackh.num_gap_ack_blocks = 0;
 			sackh.num_dup_tsns = 0;
+			chunk->subh.sack_hdr = &sackh;
 			sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK,
-					SCTP_SACKH(&sackh));
+					SCTP_CHUNK(chunk));
 			break;
 
 		case SCTP_CMD_DISCARD_PACKET:


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