Application: gwenview (16.08.2)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.74-18.20-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
Opened a jpg, pressed ctrl + to enlarge, Gwenview crashed. Repeatable on 2 small jpegs, most work normally.

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 0x7f731b5239c0 (LWP 4978))]

Thread 3 (Thread 0x7f72f3616700 (LWP 4981)):
#0  0x00007f7310178468 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f73165f15a8 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f73165ed9a0 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007f73165f09e9 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f7310173744 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f7315efeaad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f7307584700 (LWP 4979)):
#0  0x00007f7315ef228d in read () at /lib64/libc.so.6
#1  0x00007f730fc96670 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f730fc55e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f730fc562a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f730fc5642c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f731680333b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f73167b0feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f73165ebf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f7315baa295 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007f73165f09e9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f7310173744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f7315efeaad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f731b5239c0 (LWP 4978)):
[KCrash Handler]
#6  0x00007f7314d58cf0 in  () at /usr/lib64/liblcms2.so.2
#7  0x00007f7314d5f77b in  () at /usr/lib64/liblcms2.so.2
#8  0x00007f731ac38ab1 in Gwenview::RasterImageView::updateFromScaler(int, int, QImage const&) () at /usr/lib64/libgwenviewlib.so.5
#9  0x00007f73167dd1d3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f731aca1611 in Gwenview::ImageScaler::scaledRect(int, int, QImage const&) () at /usr/lib64/libgwenviewlib.so.5
#11 0x00007f731ac5cd74 in Gwenview::ImageScaler::scaleRect(QRect const&) () at /usr/lib64/libgwenviewlib.so.5
#12 0x00007f731ac5cfaf in Gwenview::ImageScaler::doScale() () at /usr/lib64/libgwenviewlib.so.5
#13 0x00007f731ac3772c in Gwenview::RasterImageView::updateBuffer(QRegion const&) () at /usr/lib64/libgwenviewlib.so.5
#14 0x00007f731ac37863 in Gwenview::RasterImageView::onZoomChanged() () at /usr/lib64/libgwenviewlib.so.5
#15 0x00007f731ac2a15f in  () at /usr/lib64/libgwenviewlib.so.5
#16 0x00007f731ac33032 in Gwenview::DocumentView::zoomIn(QPointF const&) () at /usr/lib64/libgwenviewlib.so.5
#17 0x00007f731aca45ee in  () at /usr/lib64/libgwenviewlib.so.5
#18 0x00007f73167dcbc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f7317e87892 in QAction::triggered(bool) () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007f7317e8a42d in QAction::activate(QAction::ActionEvent) () at /usr/lib64/libQt5Widgets.so.5
#21 0x00007f7317e8a5f4 in QAction::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007f7317e90e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f7317e9549a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f73167b2fd5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007f7316d3248f in QShortcutMap::dispatchEvent(QKeyEvent*) () at /usr/lib64/libQt5Gui.so.5
#26 0x00007f7316d32554 in QShortcutMap::tryShortcut(QKeyEvent*) () at /usr/lib64/libQt5Gui.so.5
#27 0x00007f7316ceed7b in QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int, unsigned int, QString const&, bool, unsigned short) () at /usr/lib64/libQt5Gui.so.5
#28 0x00007f7316d034d7 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () at /usr/lib64/libQt5Gui.so.5
#29 0x00007f7316d07de5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#30 0x00007f7316ce9eeb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#31 0x00007f7305265bc0 in  () at /usr/lib64/libQt5XcbQpa.so.5
#32 0x00007f730fc56134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#33 0x00007f730fc56388 in  () at /usr/lib64/libglib-2.0.so.0
#34 0x00007f730fc5642c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#35 0x00007f731680331c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#36 0x00007f73167b0feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#37 0x00007f73167b8ed6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#38 0x000000000043431b in  ()
#39 0x00007f7315e356e5 in __libc_start_main () at /lib64/libc.so.6
#40 0x0000000000434619 in _start ()

Reported using DrKonqi