[Bug 37954] New: Unhandled exception: page fault on write access to 0x0cf00052 in 32-bit code (0x00520d30)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=37954

            Bug ID: 37954
           Summary: Unhandled exception: page fault on write access to
                    0x0cf00052 in 32-bit code (0x00520d30)
           Product: Wine
           Version: 1.7.34
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: anonymous.maarten at gmail.com
      Distribution: ---

Created attachment 50563
  --> https://bugs.winehq.org/attachment.cgi?id=50563
Visual Studio 6 project, binary and wine output log

Hey,

While trying to implement msvcirt.dll,
I stumbled upon a write to a null pointer.

The source of the binary is
(compiled on Visual Studio 6.0, with option \MT and _MT and _DLL defined)
see https://msdn.microsoft.com/en-us/library/aa272081(v=vs.60).aspx

#include <strstrea.h>
int main()
{
    ostrstream oss;
    return 0;
}

The Visual Studio project, binary and console output are bundled in the
attached tar.

The error is:
wine: Unhandled page fault on write access to 0x00000000 at address 0x405000
(thread 000
9), starting debugger...
Unhandled exception: page fault on write access to 0x00000000 in 32-bit code
(0x00405000
).

In current git all functions called in mscvirt are stubs.
I believe that this should not cause a null pointer access.

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