linux-kernel - Re: [PATCH] net: hisilicon: remove unexpected free

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Message-Id: <20181128.104231.1536534643328029423.davem@davemloft.net>
Date:   Wed, 28 Nov 2018 10:42:31 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     bianpan2016@....com
Cc:     yisen.zhuang@...wei.com, salil.mehta@...wei.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: hisilicon: remove unexpected free_netdev

From: Pan Bian <bianpan2016@....com>
Date: Wed, 28 Nov 2018 15:30:24 +0800

> The net device ndev is freed via free_netdev when failing to register
> the device. The control flow then jumps to the error handling code
> block. ndev is used and freed again. Resulting in a use-after-free bug.
> 
> Signed-off-by: Pan Bian <bianpan2016@....com>

Applied.