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[0.4.9][WIN32K:NTUSER] Fix WIN32K BSOD mentioned in CORE-15027
Fixes accessing nullptr / invalid handle in Window->SystemMenu
I could trigger this occasionally when moving Opera 12.18 window
in front of Spotify 1.0.29.92 window.
Fix was:
authored by Thomas Faber (Thank you!)
tested by me
reviewed by James Tabor
fix picked from 0.4.11-dev-195-g ef016bfe0a
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parent
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@ -5185,7 +5185,7 @@ IntGetSystemMenu(PWND Window, BOOL bRevert)
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else
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{
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Menu = Window->SystemMenu ? UserGetMenuObject(Window->SystemMenu) : NULL;
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if ((!Window->SystemMenu || Menu->fFlags & MNF_SYSDESKMN) && Window->style & WS_SYSMENU)
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if ((!Menu || Menu->fFlags & MNF_SYSDESKMN) && Window->style & WS_SYSMENU)
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{
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Menu = MENU_GetSystemMenu(Window, NULL);
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Window->SystemMenu = Menu ? UserHMGetHandle(Menu) : NULL;
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