https://bugs.kde.org/show_bug.cgi?id=367679
Bug ID: 367679 Summary: Gwenview crashes when zoomed to second level Product: gwenview Version: unspecified Platform: Fedora RPMs OS: Linux Status: UNCONFIRMED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: gwenview-bugs-n...@kde.org Reporter: lukasz.wojnilow...@gmail.com CC: myr...@kde.org Application: gwenview (16.04.3) Qt Version: 5.6.1 Frameworks Version: 5.25.0 Operating System: Linux 4.6.6-300.fc24.x86_64 x86_64 Distribution: "Fedora release 24 (Twenty Four)" -- Information about the crash: I try to zoom b&w png image (3.9MP) by "View->Zoom In". First "View->Zoom In" is successful but second one crashes Gwenview. The crash can be reproduced every time. -- Backtrace: Application: Gwenview (gwenview), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f30a1c8e9c0 (LWP 32333))] Thread 4 (Thread 0x7f3094df6700 (LWP 32337)): #0 0x00007f30afcb5f79 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f30b1e9bff8 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5 #2 0x00007f30b1e9892d in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5 #3 0x00007f30b1e9b99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #4 0x00007f30afcb05ca in start_thread () at /lib64/libpthread.so.0 #5 0x00007f30b128ff6d in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7f309656c700 (LWP 32336)): #0 0x00007fff2ed45c59 in clock_gettime () #1 0x00007f30b129e4e6 in clock_gettime () at /lib64/libc.so.6 #2 0x00007f30b1f37ab3 in qt_gettime() () at /lib64/libQt5Core.so.5 #3 0x00007f30b2087869 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5 #4 0x00007f30b2087c65 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5 #5 0x00007f30b2088dac in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib64/libQt5Core.so.5 #6 0x00007f30b2088e75 in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5 #7 0x00007f30ad31ef59 in g_main_context_prepare () at /lib64/libglib-2.0.so.0 #8 0x00007f30ad31f92b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #9 0x00007f30ad31fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #10 0x00007f30b208924b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #11 0x00007f30b20385ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #12 0x00007f30b1e97343 in QThread::exec() () at /lib64/libQt5Core.so.5 #13 0x00007f30b2785559 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5 #14 0x00007f30b1e9b99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #15 0x00007f30afcb05ca in start_thread () at /lib64/libpthread.so.0 #16 0x00007f30b128ff6d in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7f3097d77700 (LWP 32334)): #0 0x00007f30b12843ed in poll () at /lib64/libc.so.6 #1 0x00007f30ae9daf80 in _xcb_conn_wait () at /lib64/libxcb.so.1 #2 0x00007f30ae9dcb79 in xcb_wait_for_event () at /lib64/libxcb.so.1 #3 0x00007f309b21cda9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5 #4 0x00007f30b1e9b99a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #5 0x00007f30afcb05ca in start_thread () at /lib64/libpthread.so.0 #6 0x00007f30b128ff6d in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7f30a1c8e9c0 (LWP 32333)): [KCrash Handler] #6 0x00007f30b67d3b0a in MatShaperEval16 () at /lib64/liblcms2.so.2 #7 0x00007f30b67bdb56 in PrecalculatedXFORM () at /lib64/liblcms2.so.2 #8 0x00007f30b93a0f02 in Gwenview::RasterImageView::updateFromScaler(int, int, QImage const&) () at /lib64/libgwenviewlib.so.5 #9 0x00007f30b2061ebc in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5 #10 0x00007f30b9408751 in Gwenview::ImageScaler::scaledRect(int, int, QImage const&) () at /lib64/libgwenviewlib.so.5 #11 0x00007f30b93c47d7 in Gwenview::ImageScaler::scaleRect(QRect const&) () at /lib64/libgwenviewlib.so.5 #12 0x00007f30b93c4e37 in Gwenview::ImageScaler::doScale() () at /lib64/libgwenviewlib.so.5 #13 0x00007f30b939f9f4 in Gwenview::RasterImageView::updateBuffer(QRegion const&) () at /lib64/libgwenviewlib.so.5 #14 0x00007f30b939fb63 in Gwenview::RasterImageView::onZoomChanged() () at /lib64/libgwenviewlib.so.5 #15 0x00007f30b9392335 in Gwenview::AbstractImageView::setZoom(double, QPointF const&, Gwenview::AbstractImageView::UpdateType) () at /lib64/libgwenviewlib.so.5 #16 0x00007f30b939a09a in Gwenview::DocumentView::zoomIn(QPointF const&) () at /lib64/libgwenviewlib.so.5 #17 0x00007f30b939a370 in Gwenview::DocumentView::wheelEvent(QGraphicsSceneWheelEvent*) () at /lib64/libgwenviewlib.so.5 #18 0x00007f30b37b2d9e in QGraphicsItem::sceneEvent(QEvent*) () at /lib64/libQt5Widgets.so.5 #19 0x00007f30b37de802 in QGraphicsScene::wheelEvent(QGraphicsSceneWheelEvent*) () at /lib64/libQt5Widgets.so.5 #20 0x00007f30b37ebef0 in QGraphicsScene::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #21 0x00007f30b34b2c0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #22 0x00007f30b34b80ef in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #23 0x00007f30b20397aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #24 0x00007f30b3809ff0 in QGraphicsView::wheelEvent(QWheelEvent*) () at /lib64/libQt5Widgets.so.5 #25 0x00007f30b34f8940 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #26 0x00007f30b35fa9ce in QFrame::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #27 0x00007f30b3808edb in QGraphicsView::viewportEvent(QEvent*) () at /lib64/libQt5Widgets.so.5 #28 0x00007f30b2039592 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #29 0x00007f30b34b2be5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #30 0x00007f30b34b9f42 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #31 0x00007f30b20397aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #32 0x00007f30b35147d9 in QWidgetWindow::handleWheelEvent(QWheelEvent*) () at /lib64/libQt5Widgets.so.5 #33 0x00007f30b3515bfb in QWidgetWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #34 0x00007f30b34b2c0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #35 0x00007f30b34b80ef in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #36 0x00007f30b20397aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #37 0x00007f30b2372213 in QGuiApplicationPrivate::processWheelEvent(QWindowSystemInterfacePrivate::WheelEvent*) () at /lib64/libQt5Gui.so.5 #38 0x00007f30b23776c5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5 #39 0x00007f30b23583cb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5 #40 0x00007f309b253600 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5 #41 0x00007f30ad31f6ba in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #42 0x00007f30ad31fa70 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #43 0x00007f30ad31fb1c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #44 0x00007f30b208922f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #45 0x00007f30b20385ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #46 0x00007f30b204017c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5 #47 0x0000559acedf8cd8 in main () Reported using 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