netdev - Re: [PATCH net-next] openvswitch: use after free in __ovs_ct_free

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Message-Id: <20190402.105641.1982090676927808825.davem@davemloft.net>
Date:   Tue, 02 Apr 2019 10:56:41 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     dan.carpenter@...cle.com
Cc:     pshelar@....org, yihung.wei@...il.com, netdev@...r.kernel.org,
        dev@...nvswitch.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next] openvswitch: use after free in
 __ovs_ct_free_action()

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Tue, 2 Apr 2019 09:53:14 +0300

> We free "ct_info->ct" and then use it on the next line when we pass it
> to nf_ct_destroy_timeout().  This patch swaps the order to avoid the use
> after free.
> 
> Fixes: 06bd2bdf19d2 ("openvswitch: Add timeout support to ct action")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Applied, thanks.