Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 11856] New: Converting of EUI64 address to string does not take offset into ac

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Bug ID	11856
Summary	Converting of EUI64 address to string does not take offset into account
Product	Wireshark
Version	2.0.0
Hardware	x86
OS	All
Status	UNCONFIRMED
Severity	Minor
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	arurke@gmail.com

Build Information:
Version 2.0.0 (v2.0.0-0-g9a73b82 from master-2.0)

Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with Qt 5.3.2, with WinPcap (4_1_3), with libz 1.2.8, with
GLib 2.42.0, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.2, with GnuTLS
3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
with AirPcap.

Running on 64-bit Windows 10, build 10240, with locale C, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), with GnuTLS 3.2.15, with Gcrypt 1.6.2, without AirPcap.
        Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz (with SSE4.2), with 16331MB of
physical memory.


Built using Microsoft Visual C++ 12.0 build 31101
--
The tvb_eui64_to_str macro parameter "opt_offset" does not match the parameter
"offset" in the expansion. See epan/to_str.h:92. This causes offset not to be
taken into account and string produced might be incorrect.

It seems this macro is only used in packet-icmpv6.c, e.g. proto-item text for
Source link-layer address, see line 1485.

Introduced in 2.0, in commit: https://code.wireshark.org/review/#/c/6333/

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