net_sched: info leak in atm_tc_dump_class()

[ Upstream commit 8cb3b9c ] 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: Willy Tarreau <w@1wt.eu>
mariux64 · May 19, 2014 · f5a2119 · f5a2119
1 parent f084fd3
commit f5a2119
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
@@ -628,6 +628,7 @@ 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;