netdev - Re: [PATCH v2 net] nfc: use GFP_USER for user-controlled kmalloc

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Date:	Wed, 24 Feb 2016 10:53:45 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	Julian Calaby <julian.calaby@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Lauro Ramos Venancio <lauro.venancio@...nbossa.org>,
	Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH v2 net] nfc: use GFP_USER for user-controlled kmalloc

On Wed, Feb 24, 2016 at 10:45 AM, David Miller <davem@...emloft.net> wrote:
> From: Cong Wang <xiyou.wangcong@...il.com>
> Date: Wed, 24 Feb 2016 10:41:29 -0800
>
>> On Fri, Jan 29, 2016 at 11:24 AM, Cong Wang <xiyou.wangcong@...il.com> wrote:
>>> These two functions are called in sendmsg path, and the
>>> 'len' is passed from user-space, so we should not allow
>>> malicious users to OOM kernel on purpose.
>>>
>>> Reported-by: Dmitry Vyukov <dvyukov@...gle.com>
>>> Cc: Lauro Ramos Venancio <lauro.venancio@...nbossa.org>
>>> Cc: Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>
>>> Cc: Samuel Ortiz <sameo@...ux.intel.com>
>>> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
>>
>> Ping...
>>
>> David, this patch seems still not applied, I guess you expect NFC
>> maintainer to take it, but this doesn't happen. Could you take it?
>
> The NFC maintainer needs to take this, ping them explicitly if
> you have to.

OK. I think Samuel is looking at it now.

Thanks!