| commit | 21de12ee5568fd1aec47890c72967abf791ac80a | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Mon Jun 20 15:00:43 2016 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Thu Jun 23 15:07:44 2016 -0400 |
| tree | b9bd4619c5053275f78ec107d29ea38272d6cdd0 | |
| parent | 817e9f2c5c262b2716f5d77020d118ad53315f3e [diff] |
netem: fix a use after free
If the packet was dropped by lower qdisc, then we must not
access it later.
Save qdisc_pkt_len(skb) in a temp variable.
Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>