https://bugs.kde.org/show_bug.cgi?id=378383

            Bug ID: 378383
           Summary: Gwenview crash after switching in a Full Screen mode
                    and scrolling through images
           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: mr.kob...@gmail.com
                CC: myr...@kde.org
  Target Milestone: ---

Application: gwenview (16.12.3)

Qt Version: 5.7.1
Frameworks Version: 5.32.0
Operating System: Linux 4.10.6-200.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
Sometimes, after I open a random photo in my Dropbox's Camera Upload folder
with a ~2k images, swithing in a Full Screen mode by double-clicking on a image
and then scrolling through gallery by hitting Left and Right Arrow, Gwentview
is crashing.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Gwenview (gwenview), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa841765640 (LWP 3105))]

Thread 4 (Thread 0x7fa82622c700 (LWP 3108)):
#0  0x00007fa84c9e9809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007fa84ebd7028 in QWaitCondition::wait(QMutex*, unsigned long) () at
/lib64/libQt5Core.so.5
#2  0x00007fa84ebd3a5d in QThreadPoolThread::run() () at /lib64/libQt5Core.so.5
#3  0x00007fa84ebd69ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#4  0x00007fa84c9e36ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fa84dfc9f7f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa835903700 (LWP 3107)):
#0  0x00007fa84dfbe01d in poll () at /lib64/libc.so.6
#1  0x00007fa846ca1166 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007fa846ca127c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007fa84edc46eb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007fa84ed7568a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007fa84ebd25e3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa84f472739 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#7  0x00007fa84ebd69ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007fa84c9e36ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa84dfc9f7f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa8370ae700 (LWP 3106)):
#0  0x00007fa84dfbe01d in poll () at /lib64/libc.so.6
#1  0x00007fa84b7cad10 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fa84b7ccaa9 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fa83aad5d69 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fa84ebd69ca in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007fa84c9e36ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa84dfc9f7f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa841765640 (LWP 3105)):
[KCrash Handler]
#6  0x00007fa85454927b in KIO::UDSEntry::UDSEntry(KIO::UDSEntry const&) () at
/lib64/libKF5KIOCore.so.5
#7  0x00007fa8560d203b in Gwenview::ThumbnailProvider::slotResult(KJob*) () at
/lib64/libgwenviewlib.so.5
#8  0x00007fa84f9d2940 in KCompositeJob::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libKF5CoreAddons.so.5
#9  0x00007fa84ed9d721 in QMetaObject::activate(QObject*, int, int, void**) ()
at /lib64/libQt5Core.so.5
#10 0x00007fa84f9d3682 in KJob::result(KJob*, KJob::QPrivateSignal) () at
/lib64/libKF5CoreAddons.so.5
#11 0x00007fa84f9d4fc1 in KJob::finishJob(bool) () at
/lib64/libKF5CoreAddons.so.5
#12 0x00007fa8548a13d8 in KIO::PreviewJobPrivate::determineNextFile() () at
/lib64/libKF5KIOWidgets.so.5
#13 0x00007fa8548a30bf in KIO::PreviewJobPrivate::startPreview() () at
/lib64/libKF5KIOWidgets.so.5
#14 0x00007fa8548a4e71 in KIO::PreviewJob::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () at /lib64/libKF5KIOWidgets.so.5
#15 0x00007fa84ed9e7e9 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#16 0x00007fa850197ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#17 0x00007fa85019f671 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#18 0x00007fa84ed766fa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#19 0x00007fa84ed78de0 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#20 0x00007fa84edc4653 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#21 0x00007fa846ca0e52 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#22 0x00007fa846ca11d0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#23 0x00007fa846ca127c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#24 0x00007fa84edc46cf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#25 0x00007fa84ed7568a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#26 0x00007fa84ed7d18c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#27 0x00005650336274b1 in main ()

Reported using DrKonqi

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