| From | Luis Henriques <> | Subject | [PATCH 45/75] net_sched: Fix stack info leak in cbq_dump_wrr(). | Date | Wed, 14 Aug 2013 11:36:34 +0100 |
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3.5.7.19 -stable review patch. If anyone has any objections, please let me know.
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From: "David S. Miller" <davem@davemloft.net>
commit a0db856a95a29efb1c23db55c02d9f0ff4f0db48 upstream.
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 <davem@davemloft.net> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- 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 611d5e9..823f07f 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1469,6 +1469,7 @@ 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; -- 1.8.3.2
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