Wireshark mailing list archives

Re: pfcp ctag decode bug


From: Pascal Quantin <pascal () wireshark org>
Date: Sat, 12 Sep 2020 17:36:22 +0200

Hi Ranjeet,

Le sam. 12 sept. 2020 à 10:16, Pascal Quantin <pascal () wireshark org> a
écrit :

Le sam. 12 sept. 2020 à 04:40, Guy Harris <gharris () sonic net> a écrit :

On Sep 11, 2020, at 7:04 PM, Ranjeet kumar singh <ranjeetsih () gmail com>
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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