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

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Hi Cong,

On Wed, Jan 27, 2016 at 10:12 AM, Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
> On Tue, Jan 26, 2016 at 2:55 PM, Julian Calaby <julian.calaby@xxxxxxxxx> wrote:
>> Hi Cong,
>>
>> On Wed, Jan 27, 2016 at 4:53 AM, Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
>>
>> A commit message would be nice. A brief rundown of how this is called
>> from userspace would be nice (I'm talking a single sentence here, e.g.
>> "this is allocated when submitting a nfc packet") and what issue
>> __GFP_NOWARN is fixing. (I'm guessing log spam due to allocation
>> failures.)
>>
>
> I thought it is obvious. ;) Keep in mind that $subject is one part of commit
> message too, so there is a commit message although very short.
>
> I will add it.

I know almost nothing about how the NFC subsystem works, and this
looks like a potential security issue, so more information is better
IMHO.

Thanks,

-- 
Julian Calaby

Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/
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