Application: kwin_x11 (5.16.4)
 (Compiled from sources)
Qt Version: 5.13.0
Frameworks Version: 5.61.0
Operating System: Linux 5.2.9-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:

after my laptop entering/exeting sleeping state KWin always crashed

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc0eee03880 (LWP 658))]

Thread 6 (Thread 0x7fc0e65bd700 (LWP 920)):
#0  0x00007fc0f7310756 in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc0f5e4e913 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0f5e4ffa3 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc0f5df95ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc0f5c2c2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc0f452d8f9 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc0f5c2d520 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc0f4da057f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc0f731b0e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fc0d232a700 (LWP 773)):
#0  0x00007fc0f4da6415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc0f56b5edc in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fc0f56b5ef9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fc0f4da057f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc0f731b0e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fc0e77fe700 (LWP 767)):
#0  0x00007fc0f7310756 in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc0f5e4e913 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0f5e4ffa3 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc0f5df95ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc0f5c2c2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc0f452d8f9 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc0f5c2d520 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc0f4da057f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc0f731b0e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fc0ed7d0700 (LWP 724)):
#0  0x00007fc0f7310756 in ppoll () at /usr/lib/libc.so.6
#1  0x00007fc0f5e4e913 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007fc0f5e4ffa3 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007fc0f5df95ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc0f5c2c2f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007fc0f3f5eb37 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007fc0f5c2d520 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fc0f4da057f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fc0f731b0e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc0ee6ac700 (LWP 712)):
#0  0x00007fc0f7310667 in poll () at /usr/lib/libc.so.6
#1  0x00007fc0f5b4d630 in  () at /usr/lib/libxcb.so.1
#2  0x00007fc0f5b4f2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fc0ee9a8049 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fc0f5c2d520 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fc0f4da057f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fc0f731b0e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc0eee03880 (LWP 658)):
[KCrash Handler]
#6  0x00007fc0f593c354 in KWin::WindowQuadList::makeInterleavedArrays(unsigned int, KWin::GLVertex2D*, QMatrix4x4 const&) const () at /usr/lib/libkwineffects.so.12
#7  0x00007fc0ec188e3d in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#8  0x00007fc0ec1911ab in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#9  0x00007fc0ec1912e9 in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#10 0x00007fc0f709c558 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#11 0x00007fc0f593b21c in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#12 0x00007fc0f709c4f4 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#13 0x00007fc0f58d8797 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#14 0x00007fc0f709c4f4 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#15 0x00007fc0f583f9bd in  () at /usr/lib/libkwin4_effect_builtins.so.1
#16 0x00007fc0f709c4f4 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#17 0x00007fc0f593b21c in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#18 0x00007fc0f709c4f4 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#19 0x00007fc0f593b21c in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#20 0x00007fc0f709c4f4 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#21 0x00007fc0f708aa5c in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#22 0x00007fc0f709c382 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#23 0x00007fc0f58c8fc9 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#24 0x00007fc0f709c324 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#25 0x00007fc0f593b0ac in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#26 0x00007fc0f709c324 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#27 0x00007fc0f593b0ac in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#28 0x00007fc0f709c324 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#29 0x00007fc0f594414b in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#30 0x00007fc0f709c324 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#31 0x00007fc0f594414b in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#32 0x00007fc0f709c324 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#33 0x00007fc0f7091517 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5
#34 0x00007fc0f708dd59 in KWin::Scene::paintSimpleScreen(int, QRegion) () at /usr/lib/libkwin.so.5
#35 0x00007fc0ec183fa5 in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#36 0x00007fc0f7090a91 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#37 0x00007fc0f709c0e4 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#38 0x00007fc0f593b000 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#39 0x00007fc0f709c08e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#40 0x00007fc0f593b000 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#41 0x00007fc0f709c08e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#42 0x00007fc0f593b000 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#43 0x00007fc0f709c08e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#44 0x00007fc0f593b000 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#45 0x00007fc0f709c08e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#46 0x00007fc0f593b000 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#47 0x00007fc0f709c08e in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#48 0x00007fc0f709072c in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /usr/lib/libkwin.so.5
#49 0x00007fc0ec18c9af in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#50 0x00007fc0f7081f03 in KWin::Compositor::performCompositing() () at /usr/lib/libkwin.so.5
#51 0x00007fc0f5e273e5 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#52 0x00007fc0f67b24d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#53 0x00007fc0f67bba21 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#54 0x00007fc0f5dfa9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#55 0x00007fc0f5e51d3d in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#56 0x00007fc0f5e50109 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#57 0x00007fc0ee9a939f in  () at /usr/lib/libQt5XcbQpa.so.5
#58 0x00007fc0f5df95ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#59 0x00007fc0f5e01326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#60 0x00007fc0f73eb588 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#61 0x00007fc0f7245ee3 in __libc_start_main () at /usr/lib/libc.so.6
#62 0x00005640df36805e in _start ()
[Inferior 1 (process 658) detached]

Reported using DrKonqi