[ros-bugs] [Bug 3959] New: Page fault in appwiz\createlink.c when attempting to create a shortcut to directory

[ReactOS.Bugzilla at www.reactos.org]

http://www.reactos.org/bugzilla/show_bug.cgi?id=3959

           Summary: Page fault in appwiz\createlink.c when attempting to
                    create a shortcut to directory
           Product: ReactOS
           Version: TRUNK
          Platform: QEmu
        OS/Version: ReactOS
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: Shell
        AssignedTo: ros-bugs at reactos.org
        ReportedBy: olaf_siejka at o2.pl
         QAContact: ros-bugs at reactos.org


Created an attachment (id=3341)
 --> (http://www.reactos.org/bugzilla/attachment.cgi?id=3341)
full debug log with trace

Tested on KQEMU 0.9.1 with ROS rev. 38198. Attempt to create a shortcut on
Desktop to C:\Temp directory fails with a handled exception:
(ntoskrnl\ke\i386\exp.c:1044) Kill rundll32.exe, ExceptionCode: c0000005,
ExceptionAddress: 65102470

Futher investigation shows the following culprit:

Entered debugger on first-chance exception (Exception Code: 0xc0000005) (Page
Fault)
Memory at 0x00000000 could not be written: Page not present.
kdb:> bt
Eip:
<appwiz.cpl:2470 (dll/cpl/appwiz/createlink.c:158 (WelcomeDlgProc at 16))>

Full frame trace in attachment.

This part of code has been implemented in rev. 29393, so please assign this bug
to janderwald.


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