Wireshark-bugs: [Wireshark-bugs] [Bug 6018] tshark crashes when loading Lua script that contains
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 14 Jun 2011 18:10:16 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6018

Bobby Tables <tony19@xxxxxxxxx> changed:

           What    |Removed                     |Added
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   Attachment #6499|                            |review_for_checkin?
               Flag|                            |

--- Comment #3 from Bobby Tables <tony19@xxxxxxxxx> 2011-06-14 21:10:15 EDT ---
Created an attachment (id=6499)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=6499)
Patch adds null checks and fixes typos in Lua error print-outs

The segfault from my example occurs at /trunk/epan/wslua/wslua_gui.c:416 (
http://anonsvn.wireshark.org/viewvc/trunk/epan/wslua/wslua_gui.c?revision=37029&view=markup#l416
).

The problem here (and throughout the file) is a missing null-check. I've
attached a patch to check for nulls and to fix some copy+paste typos.

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