Bug 365170

Application: kwin_x11 (5.6.5)

Qt Version: 5.6.0
Frameworks Version: 5.23.0
Operating System: Linux 4.6.3-300.fc24.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- Unusual behavior I noticed:
KWin Crash while opening a dialog of LibreOffice 5. (on Fedora 24)

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 0x7f6843d5d940 (LWP 3961))]

Thread 6 (Thread 0x7f68165e5700 (LWP 3976)):
#0  0x00007f6856c4bbd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f685c881424 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f685c881469 in  () at /lib64/libQt5Script.so.5
#3  0x00007f6856c465ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007f6853fceead in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f681c8d5700 (LWP 3971)):
#0  0x00007f6853fc5103 in select () at /lib64/libc.so.6
#1  0x00007f68554dfaef in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007f68554e11e4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007f68554e171a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f6855492a6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f68552f2a03 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f685b8c9145 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f68552f703a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f6856c465ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f6853fceead in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f68348c6700 (LWP 3969)):
#0  0x00007f6855392fc0 in unixCheckClockType() () at /lib64/libQt5Core.so.5
#1  0x00007f6855393009 in QElapsedTimer::clockType() () at /lib64/libQt5Core.so.5
#2  0x00007f6855393029 in QElapsedTimer::isMonotonic() () at /lib64/libQt5Core.so.5
#3  0x00007f68554e200e in QTimerInfoList::repairTimersIfNeeded() () at /lib64/libQt5Core.so.5
#4  0x00007f68554e2083 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007f68554e16ba in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f6855492a6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007f68552f2a03 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007f685b8c9145 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#9  0x00007f68552f703a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007f6856c465ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007f6853fceead in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f6837138700 (LWP 3966)):
#0  0x00007f6853fc5103 in select () at /lib64/libc.so.6
#1  0x00007f68554dfaef in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007f68554e11e4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007f68554e171a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f6855492a6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f68552f2a03 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f68567453b9 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007f68552f703a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f6856c465ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f6853fceead in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f683c854700 (LWP 3965)):
#0  0x00007f6853fc332d in poll () at /lib64/libc.so.6
#1  0x00007f6855039f80 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f685503bb79 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f683d0bb0f9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f68552f703a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f6856c465ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007f6853fceead in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f6843d5d940 (LWP 3961)):
[KCrash Handler]
#6  0x00007f685b8b4ab0 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#7  0x00007f685b8b5807 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#8  0x00007f685b8bee85 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at /lib64/libQt5Qml.so.5
#9  0x00007f685b84955e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /lib64/libQt5Qml.so.5
#10 0x00007f685b849627 in QQmlComponentPrivate::completeCreate() () at /lib64/libQt5Qml.so.5
#11 0x00007f685b849490 in QQmlComponent::create(QQmlContext*) () at /lib64/libQt5Qml.so.5
#12 0x00007f6834c9e6bd in Aurorae::Decoration::init() () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#13 0x00007f685d2afc0a in KWin::Decoration::DecorationBridge::createDecoration(KWin::AbstractClient*) () at /lib64/libkwin.so.5
#14 0x00007f685d183679 in KWin::Client::createDecoration(QRect const&) () at /lib64/libkwin.so.5
#15 0x00007f685d1840b6 in KWin::Client::updateDecoration(bool, bool) () at /lib64/libkwin.so.5
#16 0x00007f685d1e7d31 in KWin::Client::manage(unsigned int, bool) () at /lib64/libkwin.so.5
#17 0x00007f685d165a6f in KWin::Workspace::createClient(unsigned int, bool) () at /lib64/libkwin.so.5
#18 0x00007f685d1cb5f3 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /lib64/libkwin.so.5
#19 0x00007f6855491b1c in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /lib64/libQt5Core.so.5
#20 0x00007f683d0bcaa5 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /lib64/libQt5XcbQpa.so.5
#21 0x00007f683d0bda0b in QXcbConnection::processXcbEvents() () at /lib64/libQt5XcbQpa.so.5
#22 0x00007f68554bd059 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#23 0x00007f6855d2534c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007f6855d2a52f in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#25 0x00007f6855493bfa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#26 0x00007f6855495c9f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#27 0x00007f68554e15f2 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#28 0x00007f683d12e0fd in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#29 0x00007f6855492a6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#30 0x00007f685549a5fc in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#31 0x00007f685d5b2b3d in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#32 0x00007f6853eec731 in __libc_start_main () at /lib64/libc.so.6
#33 0x0000558b80399cf9 in _start ()

Possible duplicates by query: bug 364842, bug 364690, bug 364632, bug 364453, bug 364083.

Reported using DrKonqi