Wireshark-bugs: [Wireshark-bugs] [Bug 4839] New: The NFS FH hash (nfs.fh.hash) incorrectly match
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 3 Jun 2010 15:56:11 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4839

           Summary: The NFS FH hash (nfs.fh.hash) incorrectly matches
                    multiple filehandles
           Product: Wireshark
           Version: 1.3.x (Experimental)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: turney_cal@xxxxxxx


Build Information:
Version 1.3.6

Copyright 1998-2010 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
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 with GTK+ 2.16.6, (32-bit) with GLib 2.22.4, with WinPcap (version
unknown), with libz 1.2.3, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.8.5, with
Gcrypt 1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Jun
 2 2010), with AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.1
(packet.dll version 4.1.0.1753), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.5, Gcrypt 1.4.5, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 30729

--
The method used in packet-nfs.c to calculate a 32-bit hash representing the 
32-byte filehandle is faulty in that the hash often matches multiple
filehandles.

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