netdev - Re: [Patch net] net_sched: fix a use-after-free in tc_ctl

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Message-ID: <554A86A5.2030804@mojatatu.com>
Date:	Wed, 06 May 2015 17:24:53 -0400
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org
Subject: Re: [Patch net] net_sched: fix a use-after-free in tc_ctl_tfilter()

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@...atatu.com>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Acked-by: Jamal Hadi Salim <jhs@...atatu.com>


cheers,
jamal
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