Wireshark-bugs: [Wireshark-bugs] [Bug 2668] New: bug in ethercat dissector when packets are smaller than 60 bytes

From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 1 Jul 2008 07:41:16 -0700 (PDT)

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2668

           Summary: bug in ethercat dissector when packets are smaller than
                    60 bytes
           Product: Wireshark
           Version: 1.0.0
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: r.kuemmel@xxxxxxxxxxx


Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
Removed the line 
tvb_ensure_bytes_exist(tvb, offset, 44);
from  again. 
This is not correct, because the frame might have been captured before the
os added the padding bytes. E.g. in Windows the frames are captured on the
protocol layer. When another protocol driver sends a frame this frame does 
not include the padding bytes.  

Also the dataLength variable in case of bMox==TRUE  was not calculated
correctly.


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