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authorDavid S. Miller <davem@davemloft.net>2013-07-30 11:16:21 +0400
committerDavid S. Miller <davem@davemloft.net>2013-07-30 11:16:21 +0400
commita0db856a95a29efb1c23db55c02d9f0ff4f0db48 (patch)
treeebd37821f7a9ea080e0319b7e30df3098e67e851 /net/sched/sch_cbq.c
parent7e44892c1b6bb499cb2f6d5c0f4afcc077a26074 (diff)
downloadlinux-a0db856a95a29efb1c23db55c02d9f0ff4f0db48.tar.xz
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 <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_cbq.c')
-rw-r--r--net/sched/sch_cbq.c1
1 files changed, 1 insertions, 0 deletions
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;