Application: kolourpaint (16.12.2)

Qt Version: 5.8.0
Frameworks Version: 5.31.0
Operating System: Linux 4.9.11-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
I had an unsaved image opened and closed the application by clicking teh small X in the corner

The crash can be reproduced every time.

-- Backtrace:
Application: KolourPaint (kolourpaint), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f11e5ab0840 (LWP 8459))]

Thread 5 (Thread 0x7f11ba971700 (LWP 8474)):
#0  0x00007f11dc864f1c in __lll_lock_wait () at /usr/lib/libpthread.so.0
#1  0x00007f11dc85ebb6 in pthread_mutex_lock () at /usr/lib/libpthread.so.0
#2  0x00007f11e59c2255 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#3  0x00007f11e1096a7d in do_dlopen () at /usr/lib/libc.so.6
#4  0x00007f11e59be3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#5  0x00007f11e1096b0f in dlerror_run () at /usr/lib/libc.so.6
#6  0x00007f11e1096b82 in __libc_dlopen_mode () at /usr/lib/libc.so.6
#7  0x00007f11dc86660b in pthread_cancel_init () at /usr/lib/libpthread.so.0
#8  0x00007f11dc8667f4 in _Unwind_ForcedUnwind () at /usr/lib/libpthread.so.0
#9  0x00007f11dc864d20 in __pthread_unwind () at /usr/lib/libpthread.so.0
#10 0x00007f11dc85d565 in  () at /usr/lib/libpthread.so.0
#11 0x00007f11e106ce0b in  () at /usr/lib/libc.so.6
#12 0x00007f11ba975460 in  () at /usr/lib/libspeechd.so.2
#13 0x00007f11dc85c454 in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f11e10607df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f11bca15700 (LWP 8462)):
#0  0x00007f11dc86210f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f11c4b2dc5b in  () at /usr/lib/xorg/modules/dri/r600_dri.so
#2  0x00007f11c4b2dab7 in  () at /usr/lib/xorg/modules/dri/r600_dri.so
#3  0x00007f11dc85c454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f11e10607df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f11c6f21700 (LWP 8461)):
#0  0x00007f11e105748d in poll () at /usr/lib/libc.so.6
#1  0x00007f11da2ea7a6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f11da2ea8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f11e1c7f06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f11e1c2889a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f11e1a4aa73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f11dd743125 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f11e1a4f6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f11dc85c454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f11e10607df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f11cda12700 (LWP 8460)):
#0  0x00007f11e105748d in poll () at /usr/lib/libc.so.6
#1  0x00007f11d7adc8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f11d7ade679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f11cf73b239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f11e1a4f6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f11dc85c454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f11e10607df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f11e5ab0840 (LWP 8459)):
[KCrash Handler]
#6  0x00007f11abfbfb94 in  () at /usr/lib/libQtGui.so.4
#7  0x00007f11e59be4fa in call_init.part () at /lib64/ld-linux-x86-64.so.2
#8  0x00007f11e59be60b in _dl_init () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f11e59c2b38 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f11e59be3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f11e59c22d9 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f11daa24ee9 in  () at /usr/lib/libdl.so.2
#13 0x00007f11e59be3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#14 0x00007f11daa25521 in  () at /usr/lib/libdl.so.2
#15 0x00007f11daa24f82 in dlopen () at /usr/lib/libdl.so.2
#16 0x00007f11b9ab2b20 in  () at /usr/lib/libvlccore.so.8
#17 0x00007f11b9a96e2b in  () at /usr/lib/libvlccore.so.8
#18 0x00007f11b9a97158 in  () at /usr/lib/libvlccore.so.8
#19 0x00007f11b9a970b4 in  () at /usr/lib/libvlccore.so.8
#20 0x00007f11b9a97634 in  () at /usr/lib/libvlccore.so.8
#21 0x00007f11b9a97c3a in  () at /usr/lib/libvlccore.so.8
#22 0x00007f11b9a1deb1 in libvlc_InternalInit () at /usr/lib/libvlccore.so.8
#23 0x00007f11b97eecee in libvlc_new () at /usr/lib/libvlc.so.5
#24 0x00007f11b9d4fc42 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#25 0x00007f11b9d247a6 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#26 0x00007f11b9d53b95 in qt_plugin_instance () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#27 0x00007f11e1c1294b in QPluginLoader::instance() () at /usr/lib/libQt5Core.so.5
#28 0x00007f11d7f2f100 in  () at /usr/lib/libphonon4qt5.so.4
#29 0x00007f11d7f30f2e in  () at /usr/lib/libphonon4qt5.so.4
#30 0x00007f11d7f31fd6 in  () at /usr/lib/libphonon4qt5.so.4
#31 0x00007f11d7f328a4 in Phonon::Factory::backend(bool) () at /usr/lib/libphonon4qt5.so.4
#32 0x00007f11d7f33149 in  () at /usr/lib/libphonon4qt5.so.4
#33 0x00007f11d7f27031 in  () at /usr/lib/libphonon4qt5.so.4
#34 0x00007f11dfd3bff0 in  () at /usr/lib/libKF5Notifications.so.5
#35 0x00007f11dfd1a4a0 in  () at /usr/lib/libKF5Notifications.so.5
#36 0x00007f11dfd165e0 in KNotification::sendEvent() () at /usr/lib/libKF5Notifications.so.5
#37 0x00007f11e1c56ba9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#38 0x00007f11e353734c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#39 0x00007f11e353eb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#40 0x00007f11e1c2a440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#41 0x00007f11e1c2cbcd in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#42 0x00007f11e1c7ec43 in  () at /usr/lib/libQt5Core.so.5
#43 0x00007f11da2ea5a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#44 0x00007f11da2ea810 in  () at /usr/lib/libglib-2.0.so.0
#45 0x00007f11da2ea8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#46 0x00007f11e1c7f04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#47 0x00007f11e1c2889a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#48 0x00007f11e3725917 in QDialog::exec() () at /usr/lib/libQt5Widgets.so.5
#49 0x00007f11e3d09a6b in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () at /usr/lib/libKF5WidgetsAddons.so.5
#50 0x00007f11e3d0a55c in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () at /usr/lib/libKF5WidgetsAddons.so.5
#51 0x00007f11e3d0d041 in  () at /usr/lib/libKF5WidgetsAddons.so.5
#52 0x00007f11e3d0d415 in KMessageBox::warningYesNoCancel(QWidget*, QString const&, QString const&, KGuiItem const&, KGuiItem const&, KGuiItem const&, QString const&, QFlags<KMessageBox::Option>) () at /usr/lib/libKF5WidgetsAddons.so.5
#53 0x0000000000484a85 in  ()
#54 0x0000000000484f2f in  ()
#55 0x00007f11e4bac14d in KMainWindow::closeEvent(QCloseEvent*) () at /usr/lib/libKF5XmlGui.so.5
#56 0x00007f11e357ecd8 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#57 0x00007f11e367dd0b in QMainWindow::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#58 0x00007f11e4bac45a in KMainWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#59 0x00007f11e4bfde75 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#60 0x00007f11e353734c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#61 0x00007f11e353eb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#62 0x00007f11e1c2a440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#63 0x00007f11e357a281 in QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) () at /usr/lib/libQt5Widgets.so.5
#64 0x00007f11e3598c46 in  () at /usr/lib/libQt5Widgets.so.5
#65 0x00007f11e359bd33 in  () at /usr/lib/libQt5Widgets.so.5
#66 0x00007f11e353734c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#67 0x00007f11e353eb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#68 0x00007f11e1c2a440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#69 0x00007f11e2174f5c in QGuiApplicationPrivate::processCloseEvent(QWindowSystemInterfacePrivate::CloseEvent*) () at /usr/lib/libQt5Gui.so.5
#70 0x00007f11e21798f5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#71 0x00007f11e215544b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#72 0x00007f11cf79b9e0 in  () at /usr/lib/libQt5XcbQpa.so.5
#73 0x00007f11da2ea5a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#74 0x00007f11da2ea810 in  () at /usr/lib/libglib-2.0.so.0
#75 0x00007f11da2ea8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#76 0x00007f11e1c7f04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#77 0x00007f11e1c2889a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#78 0x00007f11e1c30de4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#79 0x000000000042ec57 in  ()
#80 0x00007f11e0f98291 in __libc_start_main () at /usr/lib/libc.so.6
#81 0x000000000042efaa in _start ()

Reported using DrKonqi