Wireshark-bugs: [Wireshark-bugs] [Bug 12826] usage http-tcp dissector from lua dissector lead to
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 08 Sep 2016 15:48:39 +0000

changed bug 12826


What Removed Added
CC   jflevesque.misc@gmail.com

Comment # 5 on bug 12826 from 
Hi all,

First time poster. I have upgraded to 2.2.0 and am currently using a lua
dissector which replaces the HTTP dissector in the tcp table. When we compile
the lua dissector, we keep a reference to the HTTP dissector so we can still
use it to decode the HTTP header and get info like the fulluri, content length
and status code.

When we call the dissector, we now get an error message: "* (tshark.exe:18484):
WARNING **: Dissector bug, protocol HTTP, in packet 357:
STATUS_ACCESS_VIOLATION: dissector accessed an invalid memory address". This
causes Wireshark to crash.

Does this error have the same cause as ychislov reported? If so, should we
change how we use our dissector or is there a fix for the HTTP dissector?

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