Bug 370725

Application: kcmshell5 (5.8.1)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.7.6-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

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

I was trying to delete a non-working global keyboard shortcut.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings Module (kcmshell5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f064f666600 (LWP 8801))]

Thread 3 (Thread 0x7f063444b700 (LWP 8803)):
#0  0x00007f064f06802f in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f064f052482 in poll () at /usr/lib/libc.so.6
#2  0x00007f06474fb786 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f06474fb89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f064c73972b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f064c6e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f064c5060f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f064e348e55 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f064c50ad78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f06494e7454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f064f05b7df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f063cf29700 (LWP 8802)):
#0  0x00007f064f05248d in poll () at /usr/lib/libc.so.6
#1  0x00007f0649d5c8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f0649d5e679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f063f6ae449 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f064c50ad78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f06494e7454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f064f05b7df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f064f666600 (LWP 8801)):
[KCrash Handler]
#6  0x00007f0625008b94 in  () at /usr/lib/libQtGui.so.4
#7  0x00007f064f52d4fa in call_init.part () at /lib64/ld-linux-x86-64.so.2
#8  0x00007f064f52d60b in _dl_init () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f064f531b38 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f064f52d3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f064f5312d9 in _dl_open () at /lib64/ld-linux-x86-64.so.2
#12 0x00007f06477c4ee9 in  () at /usr/lib/libdl.so.2
#13 0x00007f064f52d3a4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#14 0x00007f06477c5521 in  () at /usr/lib/libdl.so.2
#15 0x00007f06477c4f82 in dlopen () at /usr/lib/libdl.so.2
#16 0x00007f06308a7bb0 in  () at /usr/lib/libvlccore.so.8
#17 0x00007f063088bebb in  () at /usr/lib/libvlccore.so.8
#18 0x00007f063088c1e8 in  () at /usr/lib/libvlccore.so.8
#19 0x00007f063088c144 in  () at /usr/lib/libvlccore.so.8
#20 0x00007f063088c6c4 in  () at /usr/lib/libvlccore.so.8
#21 0x00007f063088ccca in  () at /usr/lib/libvlccore.so.8
#22 0x00007f0630812eb1 in libvlc_InternalInit () at /usr/lib/libvlccore.so.8
#23 0x00007f06305e3cee in libvlc_new () at /usr/lib/libvlc.so.5
#24 0x00007f0630b442c8 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#25 0x00007f0630b19586 in  () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#26 0x00007f0630b48195 in qt_plugin_instance () at /usr/lib/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#27 0x00007f064c6cdcdb in QPluginLoader::instance() () at /usr/lib/libQt5Core.so.5
#28 0x00007f06365fb180 in  () at /usr/lib/libphonon4qt5.so.4
#29 0x00007f06365fd086 in  () at /usr/lib/libphonon4qt5.so.4
#30 0x00007f06365fe179 in  () at /usr/lib/libphonon4qt5.so.4
#31 0x00007f06365feaa4 in Phonon::Factory::backend(bool) () at /usr/lib/libphonon4qt5.so.4
#32 0x00007f06365ff339 in  () at /usr/lib/libphonon4qt5.so.4
#33 0x00007f06365f3031 in  () at /usr/lib/libphonon4qt5.so.4
#34 0x00007f06374a97e0 in  () at /usr/lib/libKF5Notifications.so.5
#35 0x00007f06374881c0 in  () at /usr/lib/libKF5Notifications.so.5
#36 0x00007f0637484490 in KNotification::sendEvent() () at /usr/lib/libKF5Notifications.so.5
#37 0x00007f064c7114b9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#38 0x00007f064d62de0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#39 0x00007f064d635581 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#40 0x00007f064c6e4de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#41 0x00007f064c6e756d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#42 0x00007f064c739303 in  () at /usr/lib/libQt5Core.so.5
#43 0x00007f06474fb587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#44 0x00007f06474fb7f0 in  () at /usr/lib/libglib-2.0.so.0
#45 0x00007f06474fb89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#46 0x00007f064c73970f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#47 0x00007f064c6e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#48 0x00007f064d81a6b7 in QDialog::exec() () at /usr/lib/libQt5Widgets.so.5
#49 0x00007f064ddfc85b 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 0x00007f064ddfd34c 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 0x00007f064ddfd837 in  () at /usr/lib/libKF5WidgetsAddons.so.5
#52 0x00007f064ddfdb5c in KMessageBox::questionYesNo(QWidget*, QString const&, QString const&, KGuiItem const&, KGuiItem const&, QString const&, QFlags<KMessageBox::Option>) () at /usr/lib/libKF5WidgetsAddons.so.5
#53 0x00007f06330271b1 in  () at /usr/lib/qt/plugins/kcm_keys.so
#54 0x00007f064c7109ce in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#55 0x00007f064d715102 in QAbstractButton::clicked(bool) () at /usr/lib/libQt5Widgets.so.5
#56 0x00007f064d715354 in  () at /usr/lib/libQt5Widgets.so.5
#57 0x00007f064d716747 in  () at /usr/lib/libQt5Widgets.so.5
#58 0x00007f064d716924 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#59 0x00007f064d7e229a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#60 0x00007f064d674ef8 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#61 0x00007f064d7e2379 in QToolButton::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#62 0x00007f064d62de0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#63 0x00007f064d63643d in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#64 0x00007f064c6e4de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#65 0x00007f064d634aed in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/libQt5Widgets.so.5
#66 0x00007f064d68efa0 in  () at /usr/lib/libQt5Widgets.so.5
#67 0x00007f064d691743 in  () at /usr/lib/libQt5Widgets.so.5
#68 0x00007f064d62de0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#69 0x00007f064d635581 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#70 0x00007f064c6e4de0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#71 0x00007f064ce9c303 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#72 0x00007f064ce9de85 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#73 0x00007f064ce7bcab in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#74 0x00007f063f6e42f0 in  () at /usr/lib/libQt5XcbQpa.so.5
#75 0x00007f06474fb587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#76 0x00007f06474fb7f0 in  () at /usr/lib/libglib-2.0.so.0
#77 0x00007f06474fb89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#78 0x00007f064c73970f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#79 0x00007f064c6e323a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#80 0x00007f064c6eb73c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#81 0x00007f064f318c9e in kdemain () at /usr/lib/libkdeinit5_kcmshell5.so
#82 0x00007f064ef93291 in __libc_start_main () at /usr/lib/libc.so.6
#83 0x000000000040066a in _start ()

Reported using DrKonqi