Bug in virtio-net

[Shawn Webb]

On Tue, Dec 9, 2014 at 12:40 PM, Peter Grehan <grehan at freebsd.org> wrote:

> Hi Shawn,
>
>  ​I doubt this has anything to do with vtnet. My guess is that
>>> netisr_proto[NETISR_ETHER].np_handler(m) is ​NULL for some reason. Do
>>> you have a dump?
>>>
>>
>> core.txt is attached. I've also uploaded it to the link below in case
>> the attachment is scrubbed.
>>
>> http://0xfeedface.org/~shawn/2014-12-08_2028_core.txt
>>
>
>  Is the core dump available ?
>
>  As Bryan mentioned, this is a NULL function pointer deref and not a data
> access so is possibly related to corruption of data structures rather than
> a bug in the virtio driver. The core dump would be able to point to what
> went wrong.
>
> later,
>
> Peter.
>
>
Gotcha. I'll see if I can upload it to Google Drive or somewhere. It's
1.6GB in size. I'm assuming just like any other core dump, they can contain
sensitive info. I'll ping you both directly with the link when it's
uploaded. Please keep sharing it to a minimum.

Thanks,

Shawn