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| author | David S. Miller <davem@davemloft.net> | 2013-07-30 00:16:21 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-11 15:38:44 -0700 |
| commit | 565144e976ede82df899f30f9e7f8a9d210f60fe (patch) | |
| tree | 51a8f3f4d32437b4fd9ed3b85d5ba7fead0bd794 /net | |
| parent | d8c47c3fdc007ff3efecca98881e8e91eb088d70 (diff) | |
| download | lwn-565144e976ede82df899f30f9e7f8a9d210f60fe.tar.gz lwn-565144e976ede82df899f30f9e7f8a9d210f60fe.zip | |
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.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index b7cddb95397a..7f599447b3ca 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1467,6 +1467,7 @@ 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; |