Bug 343833

Application: kwin_x11 (5.2.0)

Qt Version: 5.4.0
Operating System: Linux 3.18.3-201.fc21.x86_64 x86_64
Distribution: "Fedora release 21 (Twenty One)"

-- Information about the crash:
- What I was doing when the application crashed:
When I want to start kodi (xbmc; media center application) KWin does always crashs.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#5  0x00007ff24b4a586b in qt_qimageScaleAARGBA(QImageScale::QImageScaleInfo*, unsigned int*, int, int, int, int, int, int, int, int) () at /lib64/libQt5Gui.so.5
#6  0x00007ff24b4a7e2c in qSmoothScaleImage(QImage const&, int, int) () at /lib64/libQt5Gui.so.5
#7  0x00007ff24b2e28f9 in smoothScaled(QImage const&, int, int) () at /lib64/libQt5Gui.so.5
#8  0x00007ff24b2e316a in QImage::transformed(QTransform const&, Qt::TransformationMode) const () at /lib64/libQt5Gui.so.5
#9  0x00007ff24b2e3bb8 in QImage::scaled(QSize const&, Qt::AspectRatioMode, Qt::TransformationMode) const () at /lib64/libQt5Gui.so.5
#10 0x00007ff24bdc7f15 in KWindowSystemPrivateX11::icon(unsigned long long, int, int, bool, int) () at /lib64/libKF5WindowSystem.so.5
#11 0x00007ff24bdbc578 in KWindowSystem::icon(unsigned long long, int, int, bool, int) () at /lib64/libKF5WindowSystem.so.5
#12 0x00007ff252083f0e in KWin::Client::getIcons() () at /lib64/libkwin.so.5
#13 0x00007ff2520c5c97 in KWin::Client::manage(unsigned int, bool) () at /lib64/libkwin.so.5
#14 0x00007ff25206e77d in KWin::Workspace::createClient(unsigned int, bool) () at /lib64/libkwin.so.5
#15 0x00007ff2520723bb in KWin::Workspace::init() () at /lib64/libkwin.so.5
#16 0x00007ff252072ebb in KWin::Workspace::Workspace(bool) () at /lib64/libkwin.so.5
#17 0x00007ff252467e46 in QtPrivate::QFunctorSlotObject<KWin::ApplicationX11::performStartup()::{lambda()#2}, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () at /lib64/libkdeinit5_kwin_x11.so
#18 0x00007ff24af9745a in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#19 0x00007ff24bdbd6b2 in KSelectionOwner::Private::claimSucceeded() () at /lib64/libKF5WindowSystem.so.5
#20 0x00007ff24bdbdf31 in KSelectionOwner::filterEvent(void*) () at /lib64/libKF5WindowSystem.so.5
#21 0x00007ff24af64ec0 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /lib64/libQt5Core.so.5
#22 0x00007ff235ba187d in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#23 0x00007ff235ba2d7b in QXcbConnection::processXcbEvents() () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#24 0x00007ff24af98c2a in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#25 0x00007ff24b850d3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#26 0x00007ff24b856330 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#27 0x00007ff24af684ab in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#28 0x00007ff24af6a4eb in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#29 0x00007ff24afbccf2 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#30 0x00007ff235bf752d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#31 0x00007ff24af65d42 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#32 0x00007ff24af6d7ec in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#33 0x00007ff252468eab in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#34 0x00007ff249a04fe0 in __libc_start_main () at /lib64/libc.so.6
#35 0x0000000000400bee in _start ()

Reported using DrKonqi