[Nfd-dev] [Operators] broadcast storm of malformed packets

[Junxiao Shi]

Hi NDNOPS/John

I injected the latest one when I wrote the bug report. I don't know where
does the earlier packets come from.
It doesn't matter which app is transmitting. Forwarder must not malfunction
regardless of traffic.

Yours, Junxiao

On Thu, Sep 5, 2019, 11:22 Dehart, John <jdd at wustl.edu> wrote:

> All:
>
> Anyone have any ideas where this might be coming from?
>
> John
>
> On Sep 5, 2019, at 5:15 AM, Junxiao Shi <shijunxiao at email.arizona.edu>
> wrote:
>
> Dear folks
>
> I've reported a bug here:
> https://redmine.named-data.net/issues/4998
>
> Yours, Junxiao
>
> On Wed, Sep 4, 2019, 22:49 Junxiao Shi <shijunxiao at email.arizona.edu>
> wrote:
>
>> Dear folks
>>
>> It seems that there has been a broadcast storm going around the testbed.
>> I first noticed this yesterday, and it's still going on as of an hour ago.
>>
>> I'm attaching a packet sample captured on my server.
>> The packets contain malformed Selectors, such as: (note that you can't
>> have MetaInfo inside Selectors)
>> <image.png>
>>
>> I ran a program to respond to these packets, and the traffic seems to
>> have disappeared.
>> I suspect there are some sort of software bugs, causing the traffic to
>> loop around instead of getting dropped.
>>
>> Yours, Junxiao
>>
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