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Wireshark-dev: Re: [Wireshark-dev] pfcp ctag decode bug

From: Ranjeet kumar singh <ranjeetsih@xxxxxxxxx>
Date: Sat, 12 Sep 2020 21:27:55 +0530
Hi Pascal

Please find the attached image that shows the byte dump of the c-tag IE.

Regards
Ranjeet Singh

On Sat, Sep 12, 2020 at 9:08 PM Pascal Quantin <pascal@xxxxxxxxxxxxx> wrote:
>
> Hi Ranjeet,
>
> Le sam. 12 sept. 2020 à 10:16, Pascal Quantin <pascal@xxxxxxxxxxxxx> a écrit :
>>
>> Le sam. 12 sept. 2020 à 04:40, Guy Harris <gharris@xxxxxxxxx> a écrit :
>>>
>>> On Sep 11, 2020, at 7:04 PM, Ranjeet kumar singh <ranjeetsih@xxxxxxxxx> wrote:
>>>
>>> > I am seeing following error
>>> >
>>> > [Dissector bug, protocol PFCP:
>>> > C:\buildbot\builders\wireshark-3.2-64\windows-2019-x64\build\epan\proto.c:11594:
>>> > field pfcp.c_tag.dei_flag is not of type FT_CHAR or an FT_{U}INTn
>>> > type]
>>> >
>>> > with a pfcp session establishment request.
>>> >
>>> > Can someone please confirm if it is a bug.
>>>
>>> Yes, Wireshark confirmed it, by saying "Dissector bug".  That's what the "bug" in "Dissector bug" means.
>>>
>>> The right place to report Wireshark bugs is
>>>
>>>         https://gitlab.com/wireshark/wireshark/-/issues
>>
>>
>> See https://gitlab.com/wireshark/wireshark/-/merge_requests/227
>>
>> I still have a doubt regarding the C-VID / S-VID encoding. See the MR comment for more details.
>
>
> it would be great if you could share a pcap containing a packet with a C-TAG or S-TAG IE so as to verify the fix.
>
> Thanks,
> Pascal.
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Attachment: pfcpbug.png
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