https://bugs.kde.org/show_bug.cgi?id=469647
Bug ID: 469647
Summary: Crash on minimizing Krita window
Classification: Applications
Product: krita
Version: git master (please specify the git hash!)
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: krita-bugs-n...@kde.org
Reporter: penguinflyer2...@gmail.com
Target Milestone: ---
SUMMARY
With a document open, minimizing the window can cause Krita to crash.
Given the backtrace is in KisIdleTasksManager, it's probably related to the
recent set of commits which added it.
Backtrace:
> * thread #1, stop reason = Exception 0xc0000005 encountered at address
> 0x7ff8ac0f8b5e: Access violation reading location 0x241a499f000
> * frame #0: 0x00007ff8ac0f8b5e ucrtbase.dll`memcmp + 238
> frame #1: 0x00007ff80a8dcd74 Qt5Core.dll`QListData::erase(void**)
> [inlined] QListData::remove(int) at qlist.cpp:282:13
> frame #2: 0x00007ff80a8dcd59 Qt5Core.dll`QListData::erase(void**) at
> qlist.cpp:347:5
> frame #3: 0x00007ff81c84e66f
> libkritaui.dll`KisIdleTasksManager::slotImageIsIdle() [inlined]
> QList<int>::takeFirst(this=0x00000241c5e45e50) at qlist.h:603:29
> frame #4: 0x00007ff81c84e5f1
> libkritaui.dll`KisIdleTasksManager::slotImageIsIdle() [inlined]
> QQueue<int>::dequeue(this=0x00000241c5e45e50) at qqueue.h:60:43
> frame #5: 0x00007ff81c84e5f1
> libkritaui.dll`KisIdleTasksManager::slotImageIsIdle(this=0x00000241c5e379b8)
> at KisIdleTasksManager.cpp:112:41
> frame #6: 0x00007ff80aa90cbb Qt5Core.dll`void doActivate<false>(QObject*,
> int, void**) at qobject.cpp:3931:21
> frame #7: 0x00007ff80aa90cbb Qt5Core.dll`void doActivate<false>(QObject*,
> int, void**) at qobject.cpp:3931:21
> frame #8: 0x00007ff80aa95ee4 Qt5Core.dll`QTimer::timerEvent(QTimerEvent*)
> [inlined] QTimer::timeout(QTimer::QPrivateSignal) at moc_qtimer.cpp:205:5
> frame #9: 0x00007ff80aa95eba Qt5Core.dll`QTimer::timerEvent(QTimerEvent*)
> at qtimer.cpp:257:14
> frame #10: 0x00007ff80aa85a6f Qt5Core.dll`QObject::event(QEvent*) at
> qobject.cpp:1324:9
> frame #11: 0x00007ff80e3ec5a3
> Qt5Widgets.dll`QApplicationPrivate::notify_helper(QObject*, QEvent*) at
> qapplication.cpp:3637:26
> frame #12: 0x00007ff80e3ed823
> Qt5Widgets.dll`QApplication::notify(QObject*, QEvent*) at qapplication.cpp:0
> frame #13: 0x00007ff81cadab88
> libkritaui.dll`KisApplication::notify(this=0x0000006e68d4f870,
> receiver=0x00000241c5e46480, event=0x0000006e68d4c220) at KisApplication.cpp:0
> frame #14: 0x00007ff80aa5dfb2
> Qt5Core.dll`QCoreApplication::notifyInternal2(QObject*, QEvent*) at
> qcoreapplication.cpp:1064:18
> frame #15: 0x00007ff80aab18e3
> Qt5Core.dll`QEventDispatcherWin32Private::sendTimerEvent(int) at
> qeventdispatcher_win.cpp:430:9
> frame #16: 0x00007ff80aab1555 Qt5Core.dll`qt_internal_proc(HWND__*,
> unsigned int, unsigned long long, long long) at
> qeventdispatcher_win.cpp:256:16
> frame #17: 0x00007ff8adf7e858 user32.dll`CallWindowProcW + 1016
> frame #18: 0x00007ff8adf7e299 user32.dll`DispatchMessageW + 601
> frame #19: 0x00007ff80aab2708
> Qt5Core.dll`QEventDispatcherWin32::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
> at qeventdispatcher_win.cpp:595:21
> frame #20: 0x00007ff83d998295 qwindows.dll`qt_plugin_instance + 11253
> frame #21: 0x00007ff80aa5b236
> Qt5Core.dll`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) [inlined]
> QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) at
> qeventloop.cpp:139:55
> frame #22: 0x00007ff80aa5b217
> Qt5Core.dll`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) at
> qeventloop.cpp:232:9
> frame #23: 0x00007ff80aa5e54d Qt5Core.dll`QCoreApplication::exec() at
> qcoreapplication.cpp:1375:32
> frame #24: 0x00007ff8457f5569 krita.dll`::krita_main(argc=<unavailable>,
> argv=0x00000241ba3fcf80) at main.cc:717:17
> frame #25: 0x00007ff6c2a313d6 krita.com`__tmainCRTStartup at
> crtexe.c:329:15
> frame #26: 0x00007ff6c2a31426 krita.com`mainCRTStartup at crtexe.c:206:9
> frame #27: 0x00007ff8ae177614 kernel32.dll`BaseThreadInitThunk + 20
> frame #28: 0x00007ff8ae7226a1 ntdll.dll`RtlUserThreadStart + 33
STEPS TO REPRODUCE
1. Open a document.
2. Minimize the window. It might take a few attempts, or crash the first time.
OBSERVED RESULT
Instant crash.
EXPECTED RESULT
No crash.
SOFTWARE/OS VERSIONS
Krita 5.2.0-prealpha git f0a28f5a.
ADDITIONAL INFORMATION
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