Application: systemsettings5 (5.8.8)

Qt Version: 5.6.1
Frameworks Version: 5.36.0
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: Linux Mint 18.3 Sylvia

-- Information about the crash:
- What I was doing when the application crashed:
custermizing kwin self-defined shortcut key
- Unusual behavior I noticed:
system configuration window crashed
- Custom settings of the application:
ctrl+alt+end
ctrl+alt+pgdn
ctrl+alt+home
ctrl+alt+pgup
etc......

The crash can be reproduced every time.

-- Backtrace:
Application: 系统设置 (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f99423948c0 (LWP 8569))]

Thread 4 (Thread 0x7f991cc27700 (LWP 8574)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f991cda4574 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f991cda45b9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f993bc476ba in start_thread (arg=0x7f991cc27700) at pthread_create.c:333
#4  0x00007f993ea5041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f9927fff700 (LWP 8573)):
#0  0x00007f993ea4027d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f993b7696f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f993b725e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f993b726330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f993b72649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f993f36c37b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f993f314ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f993f13d9e4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f99424ee515 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f993f142808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f993bc476ba in start_thread (arg=0x7f9927fff700) at pthread_create.c:333
#11 0x00007f993ea5041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f9930725700 (LWP 8572)):
#0  0x00007f993ea4474d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f993c4bdc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f993c4bf8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9932c7bd29 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f993f142808 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f993bc476ba in start_thread (arg=0x7f9930725700) at pthread_create.c:333
#6  0x00007f993ea5041d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f99423948c0 (LWP 8569)):
[KCrash Handler]
#6  0x00007f99409910b0 in QLabel::text() const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007f9941c7b011 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#8  0x00007f993f343c24 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f993d0ccd84 in KGlobalAccel::globalShortcutChanged(QAction*, QKeySequence const&) () from /usr/lib/x86_64-linux-gnu/libKF5GlobalAccel.so.5
#10 0x00007f993d0d2a7b in ?? () from /usr/lib/x86_64-linux-gnu/libKF5GlobalAccel.so.5
#11 0x00007f993d0d34dd in KGlobalAccel::setShortcut(QAction*, QList<QKeySequence> const&, KGlobalAccel::GlobalShortcutLoading) () from /usr/lib/x86_64-linux-gnu/libKF5GlobalAccel.so.5
#12 0x00007f9941c89d05 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#13 0x00007f9941c84c96 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#14 0x00007f9941c85526 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#15 0x00007f9899444b1a in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_keys.so
#16 0x00007f989944e386 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_keys.so
#17 0x00007f993f343c24 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f9940945212 in QAbstractButton::clicked(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f9940945464 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f9940946f17 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f9940947094 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f994088ce58 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f9940847afc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f994084d88e in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f993f3172a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f994084c585 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f99408a74b0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f99408a9df3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f9940847afc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f994084d036 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f993f3172a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f9940260fc0 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#33 0x00007f9940262b55 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#34 0x00007f994024078b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#35 0x00007f9932cb1d40 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#36 0x00007f993b726197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f993b7263f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f993b72649c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f993f36c35f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f993f314ffa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f993f31d6bc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x000000000040c217 in ?? ()
#43 0x00007f993e969830 in __libc_start_main (main=0x40be00, argc=1, argv=0x7fff50f8bf08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff50f8bef8) at ../csu/libc-start.c:291
#44 0x000000000040c299 in _start ()

Possible duplicates by query: bug 373517.

Reported using DrKonqi