[Bug 23238] New: Repton 3: crashes when viewing map (unhandled page fault on write)

http://bugs.winehq.org/show_bug.cgi?id=23238

Summary: Repton 3: crashes when viewing map (unhandled page
                    fault on write)
           Product: Wine
           Version: 1.2-rc3
          Platform: x86-64
               URL: http://www.superiorinteractive.com/repton/3.htm
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: directx-ddraw
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Repton 3 crashes when viewing map.

The problem is that IDirectDrawSurface::BltFast doesn't properly validate
parameters; repton3 is trying to call BltFast with negative value for dstx.

0009:trace:ddraw:IDirectDrawSurfaceImpl_BltFast
(0x219960)->(-80,0,0x3586dc0,0x32e478,16): Relay
wine: Unhandled page fault on write access to 0x0149fec8 at address 0x682a6cc0
(thread 0009), starting debugger...
Unhandled exception: page fault on write access to 0x0149fec8 in 32-bit code
(0x682a6cc0).