Commit a0db856a authored by David S. Miller's avatar David S. Miller
Browse files

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: default avatarDavid S. Miller <davem@davemloft.net>
parent 7e44892c

net/sched/sch_cbq.c

+1 −0
Original line number Diff line number Diff line
@@ -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;