From a0db856a95a29efb1c23db55c02d9f0ff4f0db48 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 30 Jul 2013 00:16:21 -0700 Subject: [PATCH] net_sched: Fix stack info leak in cbq_dump_wrr(). Make sure the reserved fields, and padding (if any), are fully initialized. Based upon a patch by Dan Carpenter and feedback from Joe Perches. Signed-off-by: David S. Miller --- net/sched/sch_cbq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 71a568862557..7a42c81a19eb 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1465,6 +1465,7 @@ static int cbq_dump_wrr(struct sk_buff *skb, struct cbq_class *cl) unsigned char *b = skb_tail_pointer(skb); struct tc_cbq_wrropt opt; + memset(&opt, 0, sizeof(opt)); opt.flags = 0; opt.allot = cl->allot; opt.priority = cl->priority + 1; -- 2.34.1