https://bugs.kde.org/show_bug.cgi?id=373557

            Bug ID: 373557
           Summary: Gwenview Crashes On "Zoom to Fit"
           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: 3ndymio...@gmail.com
                CC: myr...@kde.org
  Target Milestone: ---

Application: gwenview (16.08.2)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.12-300.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
- What I was doing when the application crashed:

When viewing a picture, pressed "Zoom to Fit".  Gwenview closed saying that it
crashed.  Happens every time I press "Zoom to Fit", whether it's through the
menu or by pressing "F" on the keyboard.

The crash can be reproduced every time.

-- Backtrace:
Application: Gwenview (gwenview), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0e2937fe80 (LWP 6544))]

Thread 3 (Thread 0x7f0e1d514700 (LWP 6546)):
#0  0x00007f0e37947ab2 in timerSourcePrepare(_GSource*, int*) () from
/lib64/libQt5Core.so.5
#1  0x00007f0e2f845699 in g_main_context_prepare () from
/lib64/libglib-2.0.so.0
#2  0x00007f0e2f84607b in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#3  0x00007f0e2f84626c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#4  0x00007f0e37947d8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#5  0x00007f0e378f90ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#6  0x00007f0e37756643 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f0e37ffd7a9 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#8  0x00007f0e3775aa1a in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#9  0x00007f0e355676ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007f0e36b4df6f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f0e1e87e700 (LWP 6545)):
#0  0x00007f0e36b4200d in poll () from /lib64/libc.so.6
#1  0x00007f0e34369d10 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f0e3436baa9 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f0e226eda19 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f0e3775aa1a in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f0e355676ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007f0e36b4df6f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f0e2937fe80 (LWP 6544)):
[KCrash Handler]
#6  0x00007f0e36a7b92f in raise () from /lib64/libc.so.6
#7  0x00007f0e36a7d52a in abort () from /lib64/libc.so.6
#8  0x00007f0e36abf260 in __libc_message () from /lib64/libc.so.6
#9  0x00007f0e36aca948 in _int_malloc () from /lib64/libc.so.6
#10 0x00007f0e36acbf74 in malloc () from /lib64/libc.so.6
#11 0x00007f0e373bba88 in operator new(unsigned long) () from
/lib64/libstdc++.so.6
#12 0x00007f0e37c786b2 in QImageData::create(QSize const&, QImage::Format) ()
from /lib64/libQt5Gui.so.5
#13 0x00007f0e37c7885b in QImage::QImage(int, int, QImage::Format) () from
/lib64/libQt5Gui.so.5
#14 0x00007f0e37ca48c5 in QRasterPlatformPixmap::resize(int, int) () from
/lib64/libQt5Gui.so.5
#15 0x00007f0e37ca1c1c in QPlatformPixmap::create(int, int,
QPlatformPixmap::PixelType) () from /lib64/libQt5Gui.so.5
#16 0x00007f0e37c9b6f7 in QPixmap::doInit(int, int, int) () from
/lib64/libQt5Gui.so.5
#17 0x00007f0e3ebefabd in Gwenview::RasterImageView::updateFromScaler(int, int,
QImage const&) () from /lib64/libgwenviewlib.so.5
#18 0x00007f0e37921326 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#19 0x00007f0e3ec56f71 in Gwenview::ImageScaler::scaledRect(int, int, QImage
const&) () from /lib64/libgwenviewlib.so.5
#20 0x00007f0e3ec13197 in Gwenview::ImageScaler::scaleRect(QRect const&) ()
from /lib64/libgwenviewlib.so.5
#21 0x00007f0e3ec137f7 in Gwenview::ImageScaler::doScale() () from
/lib64/libgwenviewlib.so.5
#22 0x00007f0e3ebee5a4 in Gwenview::RasterImageView::updateBuffer(QRegion
const&) () from /lib64/libgwenviewlib.so.5
#23 0x00007f0e3ebee713 in Gwenview::RasterImageView::onZoomChanged() () from
/lib64/libgwenviewlib.so.5
#24 0x00007f0e3ebe1095 in Gwenview::AbstractImageView::setZoom(double, QPointF
const&, Gwenview::AbstractImageView::UpdateType) () from
/lib64/libgwenviewlib.so.5
#25 0x00007f0e3ebe6ec2 in Gwenview::DocumentView::setZoomToFit(bool) () from
/lib64/libgwenviewlib.so.5
#26 0x00007f0e3ec5a96c in Gwenview::DocumentView::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libgwenviewlib.so.5
#27 0x00007f0e37920ff1 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#28 0x00007f0e38d1dfd2 in QAction::toggled(bool) () from
/lib64/libQt5Widgets.so.5
#29 0x00007f0e38d2080b in QAction::setChecked(bool) () from
/lib64/libQt5Widgets.so.5
#30 0x00007f0e38d20959 in QAction::activate(QAction::ActionEvent) () from
/lib64/libQt5Widgets.so.5
#31 0x00007f0e38e0d5bd in QAbstractButtonPrivate::click() () from
/lib64/libQt5Widgets.so.5
#32 0x00007f0e38e0d804 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /lib64/libQt5Widgets.so.5
#33 0x00007f0e38ed981a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#34 0x00007f0e38d6bc30 in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#35 0x00007f0e38ed9902 in QToolButton::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#36 0x00007f0e38d2496c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#37 0x00007f0e38d2cfcd in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#38 0x00007f0e378fa12a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#39 0x00007f0e38d2b65d in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/lib64/libQt5Widgets.so.5
#40 0x00007f0e38d85dd0 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#41 0x00007f0e38d88603 in QWidgetWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#42 0x00007f0e38d2496c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#43 0x00007f0e38d2c111 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#44 0x00007f0e378fa12a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#45 0x00007f0e37c38e73 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib64/libQt5Gui.so.5
#46 0x00007f0e37c3a925 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /lib64/libQt5Gui.so.5
#47 0x00007f0e37c1b7cb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#48 0x00007f0e22723c60 in userEventSourceDispatch(_GSource*, int (*)(void*),
void*) () from /lib64/libQt5XcbQpa.so.5
#49 0x00007f0e2f845e42 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#50 0x00007f0e2f8461c0 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#51 0x00007f0e2f84626c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#52 0x00007f0e37947d6f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#53 0x00007f0e378f90ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#54 0x00007f0e37900bac in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#55 0x000055c2bd0f2e29 in main ()

Reported using DrKonqi

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