Details
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Bug
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Resolution: Incomplete
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Not Evaluated
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None
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5.12.0
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None
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Compiled as Windows 32bit binary then ran on 64bit Windows 10
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Windows
Description
I know QTBUG-54248 was closed due to not enough information, but we are frequently getting this crash.
BUG:
CreateDibSection returns NULL when it is called from QWindowsNativeImage::QWindowsNativeImage during QWindow is resized.
When I look into TEB from the below crash stack frame, it showed that GetLastError = 0 but I think this last error value was updated during Qt was generating fatal error message via QString since QString calls malloc which set last error = 0 when it succeeded. So we don't know what was the last error when CreateDibSection fails but I guess it is OutOfMemory.
Since we have full dump file, please let me know if you need anything to analyze this bug.
TEB at 00790000
ExceptionList: 00ee8b4c
StackBase: 00ef0000
StackLimit: 00ed9000
SubSystemTib: 00000000
FiberData: 00001e00
ArbitraryUserPointer: 00000000
Self: 00790000
EnvironmentPointer: 00000000
ClientId: 00004bc8 . 000034c0
RpcHandle: 00000000
Tls Storage: 7391ceb8
PEB Address: 0078d000
LastErrorValue: 0
LastStatusValue: 0
Count Owned Locks: 0
HardErrorMode: 0
qwindows!QWindowsNativeImage::QWindowsNativeImage+0x165 [qt\qt-everywhere-src-5.12.0\qtbase\src\platformsupport\fontdatabases\windows\qwindowsnativeimage.cpp @ 119]
eax=00000001 ebx=2b2561f0 ecx=00000007 edx=000001e1 esi=000003ef edi=00000006
eip=687eb555 esp=00ee8b60 ebp=0000051d iopl=0 nv up ei pl nz na po nc
0:000> dv
this = 0x2b2561f0
width = 0n1007
height = 0n1309
format = Format_ARGB32_Premultiplied (0n6)
Stack dump:
00 00ee8b2c 6b670f82 Qt5Core!qt_message_fatal+0x11 [qt\qt-everywhere-src-5.12.0\qtbase\src\corelib\global\qlogging.cpp @ 1890] 01 00ee8b58 687eb555 Qt5Core!QMessageLogger::fatal+0x82 [qt\qt-everywhere-src-5.12.0\qtbase\src\corelib\global\qlogging.cpp @ 887] 02 (Inline) -------- qwindows!createDIB+0xf1 [qt\qt-everywhere-src-5.12.0\qtbase\src\platformsupport\fontdatabases\windows\qwindowsnativeimage.cpp @ 105] 03 00ee8be8 687e07ee qwindows!QWindowsNativeImage::QWindowsNativeImage+0x165 [qt\qt-everywhere-src-5.12.0\qtbase\src\platformsupport\fontdatabases\windows\qwindowsnativeimage.cpp @ 119] 04 00ee8c68 6aec10f9 qwindows!QWindowsBackingStore::resize+0x27e [qt\qt-everywhere-src-5.12.0\qtbase\src\plugins\platforms\windows\qwindowsbackingstore.cpp @ 160] 05 00ee8c8c 6a3aae54 Qt5Gui!QBackingStore::resize+0x49 [qt\qt-everywhere-src-5.12.0\qtbase\src\gui\painting\qbackingstore.cpp @ 244] 06 00ee8ef8 6a3af3d6 Qt5Widgets!QWidgetBackingStore::doSync+0x304 [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qwidgetbackingstore.cpp @ 1242] 07 00ee8f1c 6a3d41b4 Qt5Widgets!QWidgetBackingStore::sync+0x196 [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qwidgetbackingstore.cpp @ 1183] 08 00ee8f2c 6a3e629b Qt5Widgets!QWidgetPrivate::syncBackingStore+0x44 [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qwidget.cpp @ 1965] 09 00ee8f5c 6a3e5101 Qt5Widgets!QWidgetWindow::handleExposeEvent+0x18b [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qwidgetwindow.cpp @ 985] 0a 00ee9058 6a3a468a Qt5Widgets!QWidgetWindow::event+0x541 [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qwidgetwindow.cpp @ 328] 0b 00ee9070 6a3a3705 Qt5Widgets!QApplicationPrivate::notify_helper+0x10a [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qapplication.cpp @ 3752] 0c 00ee9630 6a819fab Qt5Widgets!QApplication::notify+0x1925 [qt\qt-everywhere-src-5.12.0\qtbase\src\widgets\kernel\qapplication.cpp @ 3708] 0d 00ee968c 6adb71ee PyQt5_QtWidgets_cp37_win32+0x29fab 0e 00ee96f4 6adbad8d Qt5Gui!QGuiApplicationPrivate::processExposeEvent+0xee [qt\qt-everywhere-src-5.12.0\qtbase\src\gui\kernel\qguiapplication.cpp @ 3066] 0f 00ee9714 6ada23c6 Qt5Gui!QGuiApplicationPrivate::processWindowSystemEvent+0xed [qt\qt-everywhere-src-5.12.0\qtbase\src\gui\kernel\qguiapplication.cpp @ 1902] 10 00ee9730 6ad9fb94 Qt5Gui!QWindowSystemInterface::sendWindowSystemEvents+0x86 [qt\qt-everywhere-src-5.12.0\qtbase\src\gui\kernel\qwindowsysteminterface.cpp @ 1068] 11 00ee975c 68795c98 Qt5Gui!QWindowSystemInterface::flushWindowSystemEvents+0x134 [qt\qt-everywhere-src-5.12.0\qtbase\src\gui\kernel\qwindowsysteminterface.cpp @ 1032] 12 00ee97e8 687a08ec qwindows!QWindowsWindow::handleWmPaint+0x188 [qt\qt-everywhere-src-5.12.0\qtbase\src\plugins\platforms\windows\qwindowswindow.cpp @ 1888] 13 00ee98b0 687a1670 qwindows!QWindowsContext::windowsProc+0xadc [qt\qt-everywhere-src-5.12.0\qtbase\src\plugins\platforms\windows\qwindowscontext.cpp @ 1375] 14 00ee9958 75eb635b qwindows!qWindowsWndProc+0xa0 [qt\qt-everywhere-src-5.12.0\qtbase\src\plugins\platforms\windows\qwindowscontext.cpp @ 1565]
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