Wireshark-bugs: [Wireshark-bugs] [Bug 12495] New version crash after openning file

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 08 Jun 2016 09:43:20 +0000

changed bug 12495


What Removed Added
Status UNCONFIRMED CONFIRMED
CC   [email protected]
Ever confirmed   1

Comment # 4 on bug 12495 from 
It sounds like a MSVC 2013 build 40629 64bits bug:
- when using v2.1.0rc0-3311-g74484c6 compiled in 32 bits, no crash
- when using v2.1.0rc0-3311-g74484c6 compiled in 64 bits release mode, it
crashes on packet 11
- when using v2.1.0rc0-3311-g74484c6 compiled in 64 bits debug mode, no crash

When using MSVC debugger, I can see that when entering decode_user_exception()
function in packet-cosnaming.c, header pointer is NULL and the call to
(!header->exception_id) triggers an exception. But when doing step by step
debugging, we can see that in the caller function header is not NULL...

Checking that header is not NULL removes the crash, but gets a wrong dissection
(compared to the 32 bits version). No idea on how to progress further...

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