Wireshark mailing list archives

Re: Unregistered expert info!


From: Pascal Quantin <pascal.quantin () gmail com>
Date: Tue, 16 Dec 2014 11:40:44 +0100

2014-12-16 11:33 GMT+01:00 Vishnu Bhatt <vishnu.bhatt () aricent com>:

 TFTP is not the protocol which is mentioned after the crash, sometime
SCTP, sometimes TCP, sometimes LTP etc. I haven’t introduce any changes in
them.



I’ve registered expert info in my dissector. Do I need to add something
else in any other file to register expert info?


It means that your dissector is not registering the experts info properly
and is corrupting the expert info tale. Ensure that you provide all the
relevant parameters in the ei_register_info[] array by comparing your code
with another official dissector registering expert info.




*From:* wireshark-dev-bounces () wireshark org [mailto:
wireshark-dev-bounces () wireshark org] *On Behalf Of *Pascal Quantin
*Sent:* Tuesday, December 16, 2014 3:24 PM

*To:* Developer support list for Wireshark
*Subject:* Re: [Wireshark-dev] Unregistered expert info!







2014-12-16 10:42 GMT+01:00 Vishnu Bhatt <vishnu.bhatt () aricent com>:

Version 1.12.2. Actually I took the source code of 1.12.2 and added a few
dissectors of mine. But the error which I am getting is not in any of those
files. Even if I disable those dissectors, still I get this error.



The TFTP dissector contains a single expert info that seems to be
registered properly. It's quite likely that the crash comes from your own
modifications. To confirm this, remove them completely (including any
plugins you might have installed in your personal folder) and verify that
it runs fine. Then reintroduce your changes one at a time and check the
behavior.

Pascal.



*From:* wireshark-dev-bounces () wireshark org [mailto:
wireshark-dev-bounces () wireshark org] *On Behalf Of *Alexis La Goutte
*Sent:* Tuesday, December 16, 2014 3:08 PM
*To:* Developer support list for Wireshark
*Subject:* Re: [Wireshark-dev] Unregistered expert info!







On Tue, Dec 16, 2014 at 10:18 AM, Vishnu Bhatt <vishnu.bhatt () aricent com>
wrote:

Hello,



While loading a capture file, it crashes immediately and I am getting the
following error:



Warn Dissector bug, protocol TFTP, in packet 72: expert.c:394: failed
assertion "(guint)expindex->ei < gpa_expertinfo.len" (Unregistered expert
info!)

Unhandled exception ("expert.c:414: failed assertion "(guint)expindex->ei
< gpa_expertinfo.len" (Unregistered expert info!)", group=1, code=5)



Somebody please help on this one as no file is getting opened and same
error I am getting every time I open a file.

Hi,


What release of Wireshark is used ?

do you have try the last stable ?

If you have always the issue, please create a bug in bugtracker (
https://bugs.wireshark.org ) and attach your pcap.

Regards,







Thanks

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If you are not the intended recipient, you are notified that you are
strictly prohibited from using, copying, altering, or disclosing the
contents of this message. Aricent accepts no responsibility for loss or
damage arising from the use of the information transmitted by this email
including damage from virus."


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solely for the use of the individual to whom it is addressed. It may
contain privileged or confidential information and should not be circulated
or used for any purpose other than for what it is intended. If you have
received this message in error, please notify the originator immediately.
If you are not the intended recipient, you are notified that you are
strictly prohibited from using, copying, altering, or disclosing the
contents of this message. Aricent accepts no responsibility for loss or
damage arising from the use of the information transmitted by this email
including damage from virus."

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