linux-kernel - [PATCH 46/75] net_sched: info leak in atm_tc_dump

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Message-Id: <1376476624-10011-47-git-send-email-luis.henriques@canonical.com>
Date:	Wed, 14 Aug 2013 11:36:35 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Dan Carpenter <dan.carpenter@...cle.com>,
	"David S. Miller" <davem@...emloft.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 46/75] net_sched: info leak in atm_tc_dump_class()

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

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

From: Dan Carpenter <dan.carpenter@...cle.com>

commit 8cb3b9c3642c0263d48f31d525bcee7170eedc20 upstream.

The "pvc" struct has a hole after pvc.sap_family which is not cleared.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Reviewed-by: Jiri Pirko <jiri@...nulli.us>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 net/sched/sch_atm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index ca8e0a5..1f9c314 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -605,6 +605,7 @@ static int atm_tc_dump_class(struct Qdisc *sch, unsigned long cl,
 		struct sockaddr_atmpvc pvc;
 		int state;
 
+		memset(&pvc, 0, sizeof(pvc));
 		pvc.sap_family = AF_ATMPVC;
 		pvc.sap_addr.itf = flow->vcc->dev ? flow->vcc->dev->number : -1;
 		pvc.sap_addr.vpi = flow->vcc->vpi;
-- 
1.8.3.2

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