netdev - Re: [PATCH net] net/sched: act_ct: Fix skb double-free in tcf_ct_handle

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Date:   Thu, 20 Aug 2020 16:40:36 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     alaa@...lanox.com
Cc:     netdev@...r.kernel.org, xiyou.wangcong@...il.com,
        marcelo.leitner@...il.com, roid@...lanox.com
Subject: Re: [PATCH net] net/sched: act_ct: Fix skb double-free in
 tcf_ct_handle_fragments() error flow

From: Alaa Hleihel <alaa@...lanox.com>
Date: Wed, 19 Aug 2020 18:24:10 +0300

> tcf_ct_handle_fragments() shouldn't free the skb when ip_defrag() call
> fails. Otherwise, we will cause a double-free bug.
> In such cases, just return the error to the caller.
> 
> Fixes: b57dc7c13ea9 ("net/sched: Introduce action ct")
> Signed-off-by: Alaa Hleihel <alaa@...lanox.com>
> Reviewed-by: Roi Dayan <roid@...lanox.com>

Applied and queued up for -stable, thank you.