From: Jamal Hadi Salim <jhs@mojatatu.com>
To: Cong Wang <xiyou.wangcong@gmail.com>, netdev@vger.kernel.org
Subject: Re: [Patch net] net_sched: fix a use-after-free in tc_ctl_tfilter()
Date: Wed, 06 May 2015 17:24:53 -0400 [thread overview]
Message-ID: <554A86A5.2030804@mojatatu.com> (raw)
In-Reply-To: <1430864522-15691-1-git-send-email-xiyou.wangcong@gmail.com>
On 05/05/15 18:22, Cong Wang wrote:
> When tcf_destroy() returns true, tp could be already destroyed,
> we should not use tp->next after that.
>
> For long term, we probably should move tp list to list_head.
>
> Fixes: 1e052be69d04 ("net_sched: destroy proto tp when all filters are gone")
> Cc: Jamal Hadi Salim <jhs@mojatatu.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
cheers,
jamal
next prev parent reply other threads:[~2015-05-06 21:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-05 22:22 [Patch net] net_sched: fix a use-after-free in tc_ctl_tfilter() Cong Wang
2015-05-06 21:24 ` Jamal Hadi Salim [this message]
2015-05-09 20:14 ` David Miller
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