Wireshark-bugs: [Wireshark-bugs] [Bug 9159] New: ESIS dissector exception due to incorrect lengt
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 17 Sep 2013 16:52:09 +0000
Bug ID 9159
Summary ESIS dissector exception due to incorrect length parameter to 'proto_tree_add_uint'
Classification Unclassified
Product Wireshark
Version SVN
Hardware All
OS All
Status UNCONFIRMED
Severity Trivial
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter guettler@web.de 

Created attachment 11601 [details]
Patch that fixes the dissector exception.

Build Information:
Current SVN build with Debian Wheezy
--
The ESIS dissector in the current SVN version seems to be unable decode any
ESIS packest and throws an exception when decoding the sample:

https://bugs.wireshark.org/bugzilla/attachment.cgi?id=5809

It seems that 'proto_tree_add_uint' is called with an incorrect length
parameter which has the value of -1; using the correct lenght of 1 ( "no_sa" is
one octet which contains the number of NSAPs present within this ESIS PDU)
fixes the issue.

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