netdev - Re: [PATCH net] netvsc: fix race during initialization

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Message-Id: <20170316.213548.1576100698734340553.davem@davemloft.net>
Date:   Thu, 16 Mar 2017 21:35:48 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     stephen@...workplumber.org
Cc:     kys@...rosoft.com, netdev@...r.kernel.org, sthemmin@...rosoft.com
Subject: Re: [PATCH net] netvsc: fix race during initialization

From: Stephen Hemminger <stephen@...workplumber.org>
Date: Thu, 16 Mar 2017 12:21:32 -0700

> When device is being setup on boot, there is a small race where
> network device callback is registered, but the netvsc_device pointer
> is not set yet.  This can cause a NULL ptr dereference if packet
> arrives during this window.
> 
> Fixes: 46b4f7f5d1f7 ("netvsc: eliminate per-device outstanding send counter")
> Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>
> ---
> Applies to 4.11 only, not in earlier versions.
> net-next needs different patch

Applied, thanks Stephen.