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

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Message-ID: <20160224185226.GA23748@zurbaran.home>
Date:	Wed, 24 Feb 2016 19:52:26 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	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>
Subject: Re: [PATCH v2 net] nfc: use GFP_USER for user-controlled kmalloc

On Wed, Feb 24, 2016 at 10:41:29AM -0800, Cong Wang wrote:
> 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?
I'll look at it later today.

Cheers,
Samuel.