Bug 412993

Application: kwin_x11 (5.17.0)

Qt Version: 5.14.0
Frameworks Version: 5.63.0
Operating System: Linux 5.3.5-zen1-1-zen-vfio x86_64
Distribution: "Arch Linux"

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

- Custom settings of the application:
~/.config/kwinrc
[Windows]
BorderlessMaximizedWindows=true

Started happening after updating everything to 5.17

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 0x7f1f5bfd0880 (LWP 5764))]

Thread 6 (Thread 0x7f1f4a330700 (LWP 6038)):
#0  0x00007f1f6200df7a in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f1f62ea22e8 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f1f62ea2409 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f1f62e9fa7d in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f1f62e9c676 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1f620074cf in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1f646762d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f1f4b5bf700 (LWP 6032)):
#0  0x00007f1f6200dc45 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f1f62963f3c in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f1f62963f59 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f1f620074cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1f646762d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f1f588c9700 (LWP 5990)):
#0  0x00007f1f6466bae6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f1f630ca873 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f1f630cbe8d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f1f63074f4c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f1f62e9b502 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f1f61758ef9 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f1f62e9c676 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f1f620074cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f1f646762d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f1f59592700 (LWP 5812)):
#0  0x00007f1f6200df7a in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f1f62ea22e8 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f1f62ea2409 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f1f62e9fa7d in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f1f62e9c676 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1f620074cf in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1f646762d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f1f5a7a3700 (LWP 5807)):
#0  0x00007f1f6466bae6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f1f630ca873 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f1f630cbe8d in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f1f63074f4c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f1f62e9b502 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f1f610dcb28 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007f1f62e9c676 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f1f620074cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f1f646762d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f1f5bfd0880 (LWP 5764)):
[KCrash Handler]
#6  0x00007f1f61553351 in QV4::IdentifierTable::insertString(QString const&) () at /usr/lib/libQt5Qml.so.5
#7  0x00007f1f6155347a in QV4::IdentifierTable::asPropertyKey(QString const&) () at /usr/lib/libQt5Qml.so.5
#8  0x00007f1f61552116 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f1f616b32bd in  () at /usr/lib/libQt5Qml.so.5
#10 0x00007f1f630abeee in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f1f630a65d0 in QObject::destroyed(QObject*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f1f630aa2b7 in QObject::~QObject() () at /usr/lib/libQt5Core.so.5
#13 0x00007f1f58908f29 in  () at /usr/lib/qt/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#14 0x00007f1f642ff4e6 in KWin::AbstractClient::destroyDecoration() () at /usr/lib/libkwin.so.5
#15 0x00007f1f64320164 in KWin::Client::destroyDecoration() () at /usr/lib/libkwin.so.5
#16 0x00007f1f6431f209 in KWin::Client::updateDecoration(bool, bool) () at /usr/lib/libkwin.so.5
#17 0x00007f1f64314a98 in KWin::Client::setNoBorder(bool) () at /usr/lib/libkwin.so.5
#18 0x00007f1f64387a55 in KWin::Client::changeMaximize(bool, bool, bool) () at /usr/lib/libkwin.so.5
#19 0x00007f1f64386cf6 in KWin::AbstractClient::setMaximize(bool, bool) () at /usr/lib/libkwin.so.5
#20 0x00007f1f643d9a52 in  () at /usr/lib/libkwin.so.5
#21 0x00007f1f6408d39d in NETWinInfo::event(xcb_generic_event_t*, QFlags<NET::Property>*, QFlags<NET::Property2>*) () at /usr/lib/libKF5WindowSystem.so.5
#22 0x00007f1f6437d9e2 in KWin::Client::windowEvent(xcb_generic_event_t*) () at /usr/lib/libkwin.so.5
#23 0x00007f1f6437e70e in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib/libkwin.so.5
#24 0x00007f1f63073927 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#25 0x00007f1f5bb2aab3 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#26 0x00007f1f5bb2b839 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5XcbQpa.so.5
#27 0x00007f1f5bb54e1e in  () at /usr/lib/libQt5XcbQpa.so.5
#28 0x00007f1f63074f4c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#29 0x00007f1f6307cf56 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#30 0x00007f1f64747113 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#31 0x00007f1f6459e153 in __libc_start_main () at /usr/lib/libc.so.6
#32 0x000055ea474a605e in _start ()
[Inferior 1 (process 5764) detached]

Possible duplicates by query: bug 412915, bug 412911, bug 412883, bug 412875, bug 412864.

Reported using DrKonqi