linux-kernel - Re: [PATCH] netvsc: fix use-after-free in netvsc_change

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Message-Id: <20170302.144343.1942167578659107503.davem@davemloft.net>
Date:   Thu, 02 Mar 2017 14:43:43 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     decui@...rosoft.com
Cc:     netdev@...r.kernel.org, sthemmin@...rosoft.com, kys@...rosoft.com,
        haiyangz@...rosoft.com, linux-kernel@...r.kernel.org,
        driverdev-devel@...uxdriverproject.org
Subject: Re: [PATCH] netvsc: fix use-after-free in netvsc_change_mtu()

From: Dexuan Cui <decui@...rosoft.com>
Date: Thu, 2 Mar 2017 13:00:53 +0000

> 'nvdev' is freed in rndis_filter_device_remove -> netvsc_device_remove ->
> free_netvsc_device, so we mustn't access it, before it's re-created in
> rndis_filter_device_add -> netvsc_device_add.
> 
> Signed-off-by: Dexuan Cui <decui@...rosoft.com>

Applied.