[Bug 32835] New: Batman: Arkham Asylum (non-Steam) Demo - fails in wbemprox:class_object_GetMethod

http://bugs.winehq.org/show_bug.cgi?id=32835

Bug #: 32835
           Summary: Batman: Arkham Asylum (non-Steam) Demo - fails in
                    wbemprox:class_object_GetMethod
           Product: Wine
           Version: 1.5.22
          Platform: x86
               URL: http://www.shacknews.com/file/14150/batman-arkham-asyl
                    um-demo
        OS/Version: Linux
            Status: NEW
          Keywords: download
          Severity: normal
          Priority: P2
         Component: wmi&wbemprox
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
                CC: [e-mail], [e-mail]
    Classification: Unclassified

Created attachment 43370
  --> http://bugs.winehq.org/attachment.cgi?id=43370
WINEDEBUG=tid,wbemprox,wmiutils

Backtrace:
=>0 0x7de4a99d create_signature+0x1d(class=0x0(nil), method="GetOwner",
dir=PARAM_IN, sig=0x32f1ac)
[/home/austin/wine-git/dlls/wbemprox/../../include/wine/unicode.h:200] in
wbemprox (0x0032f158)
  1 0x7de4b28d class_object_GetMethod+0x6c(iface=*** Invalid address 0x00000000
***
Internal symbol error: unable to access memory location (nil), wszName=***
Invalid address 0x00000004 ***
Internal symbol error: unable to access memory location 0x4, lFlags=*** Invalid
address 0x00000008 ***
, ppInSignature=*** Invalid address 0x0000000c ***
Internal symbol error: unable to access memory location 0xc, ppOutSignature=***
Invalid address 0x00000010 ***
Internal symbol error: unable to access memory location 0x10)
[/home/austin/wine-git/dlls/wbemprox/class.c:858] in wbemprox (0x0032f1c8)
  2 0x6a301933 in wminet_utils (+0x1932) (0x0032f1f4)
  3 0x0036bd1d (0x0032f224)
  4 0x03315091 (0x0032f26c)
  5 0x033140f0 (0x0032f2ac)
0x7de4a99d create_signature+0x1d
[/home/austin/wine-git/dlls/wbemprox/../../include/wine/unicode.h:200] in
wbemprox: cmpw       $0,0x0(%edi)
200         while (*s) s++;