net_sched: info leak in atm_tc_dump_class()
Dan Carpenter [Tue, 30 Jul 2013 10:23:39 +0000 (13:23 +0300)]
[ Upstream commit 8cb3b9c3642c0263d48f31d525bcee7170eedc20 ]

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

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

net/sched/sch_atm.c

index ca8e0a5..1f9c314 100644 (file)
@@ -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;