From timurrrr@google.com on July 28, 2011 11:58:45

On XP 32-bits:

#include <windows.h>
#pragma comment(lib, "comdlg32.lib")
#include <stdio.h>

int main() {
PRINTDLG opts = { sizeof(PRINTDLG) };
opts.Flags = PD_RETURNDC | PD_RETURNDEFAULT;
PrintDlg(&opts);
printf("PASS\n");
return 0;
}

UNINITIALIZED READ: reading 0x001830b4-0x001830b6 2 byte(s) within 0x001830b0-0x001830ce
system call NtGdiOpenDCW DEVMODEW dmFields through dmCollate [NtGdiOpenDCW - xref issue #501 ?]

0x77f1be2f <GDI32.dll+0xbe2f> GDI32.dll!bCreateDCW
0x77f1be50 <GDI32.dll+0xbe50> GDI32.dll!CreateDCW
0x763cfc1d <comdlg32.dll+0x1fc1d> comdlg32.dll!PrintReturnICDC
0x763d004b <comdlg32.dll+0x2004b> comdlg32.dll!PrintReturnDefault
0x763d348e <comdlg32.dll+0x2348e> comdlg32.dll!PrintDlgX
0x763d4752 <comdlg32.dll+0x24752> comdlg32.dll!PrintDlgA
0x0040103e <test.exe+0x103e> test.exe!main
test.cpp:8

UNINITIALIZED READ: reading 0x00183124-0x00183130 12 byte(s) within 0x001830ce-0x00183144
system call NtGdiOpenDCW DEVMODEW dmFormName onward

0x77f1be2f <GDI32.dll+0xbe2f> GDI32.dll!bCreateDCW
0x77f1be50 <GDI32.dll+0xbe50> GDI32.dll!CreateDCW
0x763cfc1d <comdlg32.dll+0x1fc1d> comdlg32.dll!PrintReturnICDC
0x763d004b <comdlg32.dll+0x2004b> comdlg32.dll!PrintReturnDefault
0x763d348e <comdlg32.dll+0x2348e> comdlg32.dll!PrintDlgX
0x763d4752 <comdlg32.dll+0x24752> comdlg32.dll!PrintDlgA
0x0040103e <test.exe+0x103e> test.exe!main
test.cpp:8

UNINITIALIZED READ: reading 0x00183148-0x001831b4 108 byte(s) within 0x00183144-0x00183a24
@0:00:11.721 in thread 528
system call NtGdiOpenDCW DEVMODEW driver extra info

0x77f1be2f <GDI32.dll+0xbe2f> GDI32.dll!bCreateDCW
0x77f1be50 <GDI32.dll+0xbe50> GDI32.dll!CreateDCW
0x763cfc1d <comdlg32.dll+0x1fc1d> comdlg32.dll!PrintReturnICDC
0x763d004b <comdlg32.dll+0x2004b> comdlg32.dll!PrintReturnDefault
0x763d348e <comdlg32.dll+0x2348e> comdlg32.dll!PrintDlgX
0x763d4752 <comdlg32.dll+0x24752> comdlg32.dll!PrintDlgA
0x0040103e <test.exe+0x103e> test.exe!main
test.cpp:8

[and more]

Original issue: http://code.google.com/p/drmemory/issues/detail?id=518