[Bug 33870] New: Occasional crash during ie7 install

http://bugs.winehq.org/show_bug.cgi?id=33870

Bug #: 33870
           Summary: Occasional crash during ie7 install
           Product: Wine
           Version: 1.6-rc3
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P2
         Component: crypt32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

While testing the patch in bug 27168, I noticed that
"winetricks ie7" failed with

fixme:wintrust:CryptCATGetCatAttrInfo 0x1f0c5e0, L"SPLevel"
wine: Unhandled page fault on read access to 0xffffffff ...
Backtrace:
=>0  CertDuplicateCertificateContext+0x3a(pCertContext=<?>)
[dlls/crypt32/cert.c:190]

I'll attach the backtrace.

I don't think this happens often; the second try to reproduce it failed.
Guess I should run it overnight in a loop.