Re: [PATCH net] netem: fix a use after free
From: Cong Wang <hidden>
Date: 2016-06-20 22:54:20
On Mon, Jun 20, 2016 at 3:00 PM, Eric Dumazet [off-list ref] wrote:
From: Eric Dumazet <edumazet@google.com>
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 <redacted>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>Acked-by: Cong Wang <redacted>