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authorDavid S. Miller <davem@davemloft.net>2013-07-30 00:16:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-11 18:35:25 -0700
commit7515b17b548cfc509ccbe3fcf8d9f004356d1845 (patch)
treef3f51218862991ce3c596827b79477ebdbab939e /net
parent1aa1e4cd9ea8a50f610c86ea324f9de4263ac4bc (diff)
downloadvexpress-lsk-7515b17b548cfc509ccbe3fcf8d9f004356d1845.tar.gz
net_sched: Fix stack info leak in cbq_dump_wrr().
[ Upstream commit a0db856a95a29efb1c23db55c02d9f0ff4f0db48 ] 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-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 1bc210ffcba..8ec15988b5f 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;