Re: [Umap2][7/11][160a:3184] NULL pointer dereference

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On Thu, Sep 22, 2016 at 11:02 AM, Oliver Neukum <oneukum@xxxxxxxx> wrote:
> On Thu, 2016-09-22 at 10:50 +0300, Binyamin Sharet wrote:
>> On Thu, Sep 22, 2016 at 10:35 AM, Oliver Neukum <oneukum@xxxxxxxx> wrote:
>> > On Thu, 2016-09-22 at 09:53 +0300, Binyamin Sharet wrote:
>> >> On Wed, Sep 21, 2016 at 11:09 PM, Malcolm Priestley <tvboxspy@xxxxxxxxx> wrote:
>> >> >
>> >> Malcolm, just to make it clear, this bug was not found with an
>> >> actual device, but with emulation.
>> >
>> > It was quite peculiar a bug, though. Could you prepare a test kernel
>> > without BPF?
>> >
>> >         Regards
>> >                 Oliver
>> >
>> >
>>
>> Oliver,
>>
>> If this question was directed to me, I will need some clarification
>> of what is needed (and also - what's BPF?)
>
> BPF = Berkeley Packet Filter (a mechanism to filter packets going over a
> socket)
>
> The oops you reproduced was in the BPF. That is rather generic code
> without connection to the driver in question. That raises the question
> whether you've accidentally triggered a generic bug.
> To rule that out a rerun on a kernel compiled without CONFIG_BPF would
> be useful. Or you could build an initrd with the BPF modules
> blacklisted, so we are sure the test system does not use BPF.
>
>         Regards
>                 Oliver
>
>
>

Thanks Oliver, will do.

-- Binyamin
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