| Bug ID |
12979
|
| Summary |
OpenFlow dissector: vlan_vid match field with mask is said "malformed"
|
| Product |
Wireshark
|
| Version |
2.2.0
|
| Hardware |
x86
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 14976 [details]
an example of packet said malformed
Build Information:
Version 2.2.0 (v2.2.0-0-g5368c50 from master-2.2)
Copyright 1998-2016 Gerald Combs <[email protected]> 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 (32-bit) with Qt 5.3.2, with WinPcap (4_1_3), with GLib 2.38.0, with
zlib 1.2.8, with SMI 0.4.8, with c-ares 1.11.0, with Lua 5.2.4, with GnuTLS
3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
with AirPcap.
Running on 32-bit Windows 7 Service Pack 1, build 7601, with locale
Japanese_Japan.932, 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, with AirPcap 4.1.1 build 1838.
Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz (with SSE4.2), with 3232MB of
physical memory.
Built using Microsoft Visual C++ 12.0 build 40629
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
OpenFlow's match field "vlan_vid" (OFPXMT_OFB_VLAN_VID) does or doesn't have
mask field.
Wireshark 2.2.0 says "Malformed Packet" to vlan_vid match field with mask field
even if "Has mask" bit is 1.
I confirmed that eth_src and ipv4_src match field with mask is parsed
correctly. I guess that it is specific to vlan_vid.
An attachment pcapng contains vlan_vid, eth_src and ipv4_src match.
I tried OpenFlow 1.3 only, and used Ryu 4.6 as OpenFlow controller.
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