Explorer crashes with invalid memory access

    /* If the user isn't resizing the tray window we need to make sure      the new size or position is valid. this is to prevent changes to the window without user interaction. */

 rcTray = m_TrayRects[m_Position];

# Child-SP RetAddr Call Site

00 fffff880`04dbe170 fffff800`004030d5 nt!KiDispatchException+0x252 [E:\amd64\reactos\ntoskrnl\ke\amd64\except.c @ 344] 

01 fffff880`04dbe6c0 fffff800`0040446b nt!InternalDispatchException+0xef

02 fffff880`04dbe8a0 00000001`40021517 nt!KiPageFault+0x12d

03 00000000`0012e7c0 00000001`40025ff6 explorer!CTrayWindow::ChangingWinPos+0x297 [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 1369] 

04 00000000`0012e820 00000001`400274c2 explorer!CTrayWindow::OnWindowPosChanging+0x26 [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 2462] 

05 00000000`0012e850 00000001`4000fa8c explorer!CTrayWindow::ProcessWindowMessage+0x7c2 [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 3111] 

06 00000000`0012e8e0 000007ff`b2580a39 explorer!ATL::CWindowImplBaseT<CToolbar<InternalIconData>,ATL::CWinTraits<1442840576,0> >::WindowProc+0xfc [E:\amd64\reactos\sdk\lib\atl\atlwin.h @ 1564] 

07 00000000`0012e990 000007ff`b2585382 user32!IntCallWindowProcW+0x719 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 1546] 

08 00000000`0012eaa0 000007ff`b7518242 user32!User32CallWindowProcFromKernel+0x4c2 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 3004] 

09 00000000`0012ebc0 000007ff`b2596e8f ntdll!KiUserCallbackDispatcher+0x2a

0a 00000000`0012ec88 00000001`4000e2cf user32!NtUserSetWindowPos+0xa

0b 00000000`0012ec90 00000001`40025f59 explorer!ATL::CWindow::SetWindowPos+0x4f [E:\amd64\reactos\sdk\lib\atl\atlwin.h @ 1224] 

0c 00000000`0012ece0 00000001`40026e2e explorer!CTrayWindow::OnThemeChanged+0xc9 [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 2301] 

0d 00000000`0012ed30 00000001`4000fa8c explorer!CTrayWindow::ProcessWindowMessage+0x12e [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 3092] 

0e 00000000`0012edc0 000007ff`b2580a39 explorer!ATL::CWindowImplBaseT<CToolbar<InternalIconData>,ATL::CWinTraits<1442840576,0> >::WindowProc+0xfc [E:\amd64\reactos\sdk\lib\atl\atlwin.h @ 1564] 

0f 00000000`0012ee70 000007ff`b257f828 user32!IntCallWindowProcW+0x719 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 1546] 

10 00000000`0012ef80 000007ff`b2584a58 user32!IntCallMessageProc+0x2d8 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 1797] 

11 00000000`0012f000 000007ff`89516275 user32!SendMessageW+0x178 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 2402] 

12 00000000`0012f0e0 000007ff`89516228 uxtheme!UXTHEME_send_theme_changed+0x25 [E:\amd64\reactos\dll\win32\uxtheme\system.c @ 64] 

13 00000000`0012f110 000007ff`89514ddc uxtheme!UXTHEME_broadcast_theme_changed+0x38 [E:\amd64\reactos\dll\win32\uxtheme\system.c @ 77] 

14 00000000`0012f140 00000001`40024726 uxtheme!SetWindowTheme+0x13c [E:\amd64\reactos\dll\win32\uxtheme\system.c @ 888] 

15 00000000`0012f1a0 00000001`40026ffe explorer!CTrayWindow::OnCreate+0x76 [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 2214] 

16 00000000`0012f230 00000001`4000fa8c explorer!CTrayWindow::ProcessWindowMessage+0x2fe [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 3097] 

17 00000000`0012f2c0 000007ff`b2580a39 explorer!ATL::CWindowImplBaseT<CToolbar<InternalIconData>,ATL::CWinTraits<1442840576,0> >::WindowProc+0xfc [E:\amd64\reactos\sdk\lib\atl\atlwin.h @ 1564] 

18 00000000`0012f370 000007ff`b2585382 user32!IntCallWindowProcW+0x719 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 1546] 

19 00000000`0012f480 000007ff`b7518242 user32!User32CallWindowProcFromKernel+0x4c2 [E:\amd64\reactos\win32ss\user\user32\windows\message.c @ 3004] 

1a 00000000`0012f5a0 000007ff`b25965ec ntdll!KiUserCallbackDispatcher+0x2a

1b 00000000`0012f698 000007ff`b258f9a0 user32!NtUserCreateWindowEx+0xa

1c 00000000`0012f6a0 000007ff`b258d36e user32!User32CreateWindowEx+0x590 [E:\amd64\reactos\win32ss\user\user32\windows\window.c @ 289] 

1d 00000000`0012f8a0 00000001`4000a4b1 user32!CreateWindowExW+0x61e [E:\amd64\reactos\win32ss\user\user32\windows\window.c @ 575] 

1e 00000000`0012f9b0 00000001`400218ce explorer!ATL::CWindowImplBaseT<ATL::CWindow,ATL::CWinTraits<1442840576,0> >::Create+0x181 [E:\amd64\reactos\sdk\lib\atl\atlwin.h @ 1611] 

1f 00000000`0012fa30 00000001`4002615c explorer!ATL::CWindowImpl<CTrayWindow,ATL::CWindow,ATL::CWinTraits<1442840576,0> >::Create+0x10e [E:\amd64\reactos\sdk\lib\atl\atlwin.h @ 1651] 

20 00000000`0012fab0 00000001`40021a7a explorer!CTrayWindow::Open+0x14c [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 2069] 

21 00000000`0012fb50 00000001`40002241 explorer!CreateTrayWindow+0xaa [E:\amd64\reactos\base\shell\explorer\traywnd.cpp @ 3399] 

22 00000000`0012fbc0 00000001`4000254b explorer!StartWithDesktop+0xe1 [E:\amd64\reactos\base\shell\explorer\explorer.cpp @ 155] 

23 00000000`0012fe10 00000001`4002c69e explorer!wWinMain+0xeb [E:\amd64\reactos\base\shell\explorer\explorer.cpp @ 224] 

24 00000000`0012fe60 00000001`4002c27e explorer!wmain+0x2e [E:\amd64\reactos\sdk\lib\crt\startup\crt0_w.c @ 26] 

25 00000000`0012fe90 00000001`4002c500 explorer!__tmainCRTStartup+0x29e [E:\amd64\reactos\sdk\lib\crt\startup\crtexe.c @ 312] 

26 00000000`0012ff60 000007ff`b6514c2a explorer!wWinMainCRTStartup+0x20 [E:\amd64\reactos\sdk\lib\crt\startup\crtexe.c @ 172] 

27 00000000`0012ffa0 00000000`00000000 kernel32!BaseProcessStartup+0x2a [E:\amd64\reactos\dll\win32\kernel32\client\proc.c @ 463]