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Bug ID	12364
Summary	Crash in SCCP dissector UAT (Qt UI only)
Product	Wireshark
Version	Git
Hardware	All
OS	All
Status	UNCONFIRMED
Severity	Major
Priority	Low
Component	Qt UI
Assignee	bugzilla-admin@wireshark.org
Reporter	jeff.morriss.ws@gmail.com

Build Information:
Saw this in 2.0.2 and git but in the Qt UI only; Gtk+ is unaffected
--
While looking for another solution to:

https://ask.wireshark.org/questions/51860/unable-to-decode-gsm_map-protocol-layershowing-upto-sccp

I tried using the SCCP dissector's User Table.  While playing around with it
(changing values in the UAT) Wireshark kept crashing.

To repeat:

Open the capture file from that trace.
Click packet 3
Create a new SCCP Users Table entry but get the values (e.g., the DPC) wrong.
OK out, see that it doesn't work.
Edit the table again, fix the value that was wrong.  DO NOT HIT ENTER AFTER
TYPING.  Click on the OK button.
OK out so redissection happens.
--> crash.

The Gtk UI does not have this problem.

Investigation showed that the UAT's update callback was not being called (and
the SCCP dissector uses that to do some work--specifically, setting the handlep
value).

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