Wireshark-bugs: [Wireshark-bugs] [Bug 12122] OCFS2 Dissector does not function properly on Linux
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 15 Feb 2016 17:15:17 +0000

Comment # 2 on bug 12122 from 
(In reply to Alexis La Goutte from comment #1)
> Hi Dan,
> 
> It is a feature request or you working on this issue ?
> 
> If you look the packet 1881, the message type is 0xfa55...

Alexis,

I think it is a bug. Message type 0xfa55 is a valid OCFS2 message type and
should be parsed properly by the dissector.

>From the source code of the dissector:

142 /*
  143  * generic o2net constants
  144  */
  145 
  146 #define O2NET_MSG_MAGIC         0xfa55
  147 #define O2NET_MSG_STATUS_MAGIC      0xfa56
  148 #define O2NET_MSG_KEEP_REQ_MAGIC    0xfa57
  149 #define O2NET_MSG_KEEP_RESP_MAGIC   0xfa58
  150 static const value_string o2net_magic[] = {
  151     { O2NET_MSG_MAGIC,       "Request" },
  152     { O2NET_MSG_STATUS_MAGIC,    "Response" },
  153     { O2NET_MSG_KEEP_REQ_MAGIC,  "Keepalive Request" },
  154     { O2NET_MSG_KEEP_RESP_MAGIC, "Keepalive Response" },
  155     { 0x0000,  NULL  }
  156 };
  157

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