Bug 371802

Application: kwin_x11 (5.8.2)

Qt Version: 5.7.0
Frameworks Version: 5.26.0
Operating System: Linux 4.8.4-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
Opening the chromium web browser.
Konsole appilcation opened

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f78f4b02940 (LWP 2821))]

Thread 5 (Thread 0x7f783587c700 (LWP 3090)):
#0  0x00007f78f448e751 in ppoll () at /lib64/libc.so.6
#1  0x00007f78f1b65b41 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f78f1b67428 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f78f1b141ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f78f19428b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f78ec2dfa75 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f78f1947558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f78ed7ae454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f78f449739f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f78c62fe700 (LWP 2931)):
#0  0x00007f78ed7b410f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f78f0acf834 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f78f0acf879 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f78ed7ae454 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f78f449739f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f78ce3a2700 (LWP 2919)):
#0  0x00007f78f448e751 in ppoll () at /lib64/libc.so.6
#1  0x00007f78f1b65b41 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f78f1b67428 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f78f1b141ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f78f19428b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f78ec2dfa75 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f78f1947558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f78ed7ae454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f78f449739f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f78dd606700 (LWP 2840)):
#0  0x00007f78f448e68d in poll () at /lib64/libc.so.6
#1  0x00007f78e8f8a876 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f78e8f8a98c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f78f1b6a79b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f78f1b141ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f78f19428b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f78eb4b83e5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f78f1947558 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f78ed7ae454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f78f449739f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f78f4b02940 (LWP 2821)):
[KCrash Handler]
#6  0x00007f78ec2cb130 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f78ec2cc095 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f78ec2d5d35 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f78ec25f5fe in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f78ec25f6c7 in QQmlComponentPrivate::completeCreate() () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f78ec25f530 in QQmlComponent::create(QQmlContext*) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f78ce3c24b7 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#13 0x00007f78f40b7c09 in  () at /usr/lib64/libkwin.so.5
#14 0x00007f78f3f991b9 in KWin::Client::createDecoration(QRect const&) () at /usr/lib64/libkwin.so.5
#15 0x00007f78f3f99b7d in KWin::Client::updateDecoration(bool, bool) () at /usr/lib64/libkwin.so.5
#16 0x00007f78f3ff8545 in KWin::Client::manage(unsigned int, bool) () at /usr/lib64/libkwin.so.5
#17 0x00007f78f3f7c774 in KWin::Workspace::createClient(unsigned int, bool) () at /usr/lib64/libkwin.so.5
#18 0x00007f78f3fe5757 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5
#19 0x00007f78f1b1332f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#20 0x00007f78dc908dc4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#21 0x00007f78dc909a55 in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#22 0x00007f78f1b42d59 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f78f280b92c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f78f28130e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f78f1b16200 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f78f1b1898d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f78f1b6726a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f78dc98054d in  () at /usr/lib64/libQt5XcbQpa.so.5
#29 0x00007f78f1b141ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f78f1b1c95c in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#31 0x00007f78f4756a56 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#32 0x00007f78f43ce291 in __libc_start_main () at /lib64/libc.so.6
#33 0x00000000004006ea in _start ()

Reported using DrKonqi