Application: krunner (5.17.4)

Qt Version: 5.12.4
Frameworks Version: 5.64.0
Operating System: Linux 5.3.0-24-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:
1) pressed Alt-Space to bring up KRunner dialog at top of screen
2) Clicked the icon to the left of the entry box to "Configure KRunner..."
3) KRunner segfaulted

The crash can be reproduced sometimes.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558220024774) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
[Current thread is 1 (Thread 0x7f1116257800 (LWP 13327))]

Thread 5 (Thread 0x7f1104bbe700 (LWP 13331)):
[KCrash Handler]
#6  wl_proxy_marshal_constructor (proxy=0x0, opcode=opcode@entry=3, interface=0x7f111885ebe0 <wl_callback_interface>) at ../src/wayland-client.c:819
#7  0x00007f11153dabbd in wl_surface_frame (wl_surface=<optimized out>) at ../../include/QtWaylandClient/5.12.4/QtWaylandClient/private/../../../../../src/client/wayland-wayland-client-protocol.h:2798
#8  QtWayland::wl_surface::frame (this=this@entry=0x55822021ca68) at qwayland-wayland.cpp:1134
#9  0x00007f11153b585b in QtWaylandClient::QWaylandWindow::handleUpdate (this=0x55822021ca40) at qwaylandwindow.cpp:1151
#10 0x00007f111546d740 in QtWaylandClient::QWaylandGLContext::swapBuffers (this=0x55821ff8bf60, surface=<optimized out>) at ../../../../hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp:568
#11 0x00007f111a78a7f1 in QOpenGLContext::swapBuffers (this=0x558220038410, surface=<optimized out>) at kernel/qopenglcontext.cpp:1115
#12 0x00007f111bbd5caa in QSGRenderThread::syncAndRender (this=this@entry=0x558220025cc0) at scenegraph/qsgthreadedrenderloop.cpp:652
#13 0x00007f111bbd99d8 in QSGRenderThread::run (this=0x558220025cc0) at scenegraph/qsgthreadedrenderloop.cpp:730
#14 0x00007f111a19ecc2 in QThreadPrivate::start (arg=0x558220025cc0) at thread/qthread_unix.cpp:361
#15 0x00007f11194e2669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#16 0x00007f1119e21323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f110dc3b700 (LWP 13330)):
#0  0x00007f1119e14c2f in __GI___poll (fds=0x7f11000029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1118c24a3e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1118c24b73 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f111a3bd6c3 in QEventDispatcherGlib::processEvents (this=0x7f1100000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f111a36463b in QEventLoop::exec (this=this@entry=0x7f110dc3ad80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f111a19da75 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f111b87e319 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f111a19ecc2 in QThreadPrivate::start (arg=0x55821fc65e40) at thread/qthread_unix.cpp:361
#8  0x00007f11194e2669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007f1119e21323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f110eff5700 (LWP 13329)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55821fcb1ecc) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55821fcb1e78, cond=0x55821fcb1ea0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55821fcb1ea0, mutex=0x55821fcb1e78) at pthread_cond_wait.c:638
#3  0x00007f110f61c97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f110f61c59b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f11194e2669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f1119e21323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1114974700 (LWP 13328)):
#0  0x00007f1119e14c2f in __GI___poll (fds=0x7f11100029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1118c24a3e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1118c24b73 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f111a3bd6c3 in QEventDispatcherGlib::processEvents (this=0x7f1110000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f111a36463b in QEventLoop::exec (this=this@entry=0x7f1114973d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f111a19da75 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f111ac24efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f111a19ecc2 in QThreadPrivate::start (arg=0x7f111aca7d80) at thread/qthread_unix.cpp:361
#8  0x00007f11194e2669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007f1119e21323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1116257800 (LWP 13327)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558220024774) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x558220024720, cond=0x558220024748) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x558220024748, mutex=0x558220024720) at pthread_cond_wait.c:638
#3  0x00007f111a1a4def in QWaitConditionPrivate::wait (deadline=..., this=0x558220024720) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x558220025d00, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f111a1a4ee1 in QWaitCondition::wait (this=0x558220025d08, mutex=0x558220025d00, time=time@entry=18446744073709551615) at ../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#6  0x00007f111bbd6f18 in QSGThreadedRenderLoop::handleObscurity (this=this@entry=0x55821fdf7f20, w=0x558220038500) at scenegraph/qsgthreadedrenderloop.cpp:1030
#7  0x00007f111bbd701c in QSGThreadedRenderLoop::hide (this=0x55821fdf7f20, window=0x7ffcfacdb220) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:170
#8  0x00007f111a758b3d in QWindow::event (this=this@entry=0x7ffcfacdb220, ev=ev@entry=0x7ffcfacd3170) at kernel/qwindow.cpp:2341
#9  0x00007f111bc3a67f in QQuickWindow::event (this=0x7ffcfacdb220, e=0x7ffcfacd3170) at items/qquickwindow.cpp:1687
#10 0x00007f111bf60b2b in PlasmaQuick::Dialog::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#11 0x000055821e344233 in View::event (this=0x7ffcfacdb220, event=0x7ffcfacd3170) at ./krunner/view.cpp:177
#12 0x00007f111ae13a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f111ae1ce00 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f111a365a9a in QCoreApplication::notifyInternal2 (receiver=0x7ffcfacdb220, event=0x7ffcfacd3170) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#15 0x00007f111a75872f in QWindowPrivate::setVisible (this=0x55821fc959c0, visible=<optimized out>) at kernel/qwindow.cpp:406
#16 0x00007f111bf5db1e in PlasmaQuick::Dialog::setVisible(bool) () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#17 0x00007f111bf60220 in ?? () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#18 0x00007f111bf6188b in PlasmaQuick::Dialog::qt_metacall(QMetaObject::Call, int, void**) () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#19 0x000055821e344f9a in View::qt_metacall (this=0x7ffcfacdb220, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7ffcfacd32b0) at ./obj-x86_64-linux-gnu/krunner/krunner_autogen/EWIEGA46WW/moc_view.cpp:220
#20 0x00007f111b7e2c26 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#21 0x00007f111b7df93d in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#22 0x00007f111b726b59 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#23 0x00007f111b7274de in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#24 0x00007f111b727633 in QV4::QObjectWrapper::virtualPut(QV4::Managed*, QV4::PropertyKey, QV4::Value const&, QV4::Value*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#25 0x00007f111b6ebbdc in QV4::Object::virtualResolveLookupSetter(QV4::Object*, QV4::ExecutionEngine*, QV4::Lookup*, QV4::Value const&) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#26 0x00007f111b73fc1b in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f111b744857 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f111b6d2093 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f111b849457 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f111b7edbcf in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f111b7eed8b in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f111b82c053 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#33 0x00007f111b7cff62 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#34 0x00007f111a390d53 in QMetaObject::activate (sender=0x55821ff87bc0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffcfacd59b0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:121
#35 0x00007f111b7cbcf8 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#36 0x00007f111b7cb696 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#37 0x00007f111b7cb696 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#38 0x00007f111b8214e5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#39 0x00007f111b723723 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#40 0x00007f111b724e99 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#41 0x00007f111b725bbc in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#42 0x00007f111b7417e8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#43 0x00007f111b744857 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#44 0x00007f111b6d2093 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#45 0x00007f111b849457 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#46 0x00007f111b7edbcf in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#47 0x00007f111b7eed8b in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#48 0x00007f111b82c053 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#49 0x00007f111b7cff62 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#50 0x00007f111a390d53 in QMetaObject::activate (sender=0x55821ff91cb0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffcfacd7d00) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:121
#51 0x00007f110c7d32f3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#52 0x00007f110c7d37fc in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#53 0x00007f110c7d3e13 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#54 0x00007f111b8214e5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#55 0x00007f111b723401 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#56 0x00007f111b724ec5 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#57 0x00007f111b725f9a in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#58 0x00007f111b7417e8 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#59 0x00007f111b744857 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#60 0x00007f111b6d2093 in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#61 0x00007f111b849457 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#62 0x00007f111b7edbcf in QQmlBoundSignalExpression::evaluate(void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#63 0x00007f111b7eed8b in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#64 0x00007f111b82c053 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#65 0x00007f111b7cff62 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#66 0x00007f111a390d53 in QMetaObject::activate (sender=0x55821ff8cd50, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffcfacda270) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:121
#67 0x00007f111bcb4076 in QQuickMouseArea::released (this=this@entry=0x55821ff8cd50, _t1=<optimized out>, _t1@entry=0x55821ff90d28) at .moc/moc_qquickmousearea_p.cpp:659
#68 0x00007f111bcb5944 in QQuickMouseArea::setPressed (this=this@entry=0x55821ff8cd50, button=<optimized out>, p=p@entry=false, source=<optimized out>) at items/qquickmousearea.cpp:1234
#69 0x00007f111bcb6b13 in QQuickMouseArea::mouseReleaseEvent (this=0x55821ff8cd50, event=0x7ffcfacdad40) at /usr/include/x86_64-linux-gnu/qt5/QtGui/qevent.h:132
#70 0x00007f111bc1cd98 in QQuickItem::event (this=0x55821ff8cd50, ev=0x7ffcfacdad40) at items/qquickitem.cpp:8038
#71 0x00007f111ae13a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#72 0x00007f111ae1ce00 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#73 0x00007f111a365a9a in QCoreApplication::notifyInternal2 (receiver=0x55821ff8cd50, event=0x7ffcfacdad40) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#74 0x00007f111bc3733d in QQuickWindowPrivate::deliverMouseEvent (this=this@entry=0x55821fc959c0, pointerEvent=0x5582203e6d80) at items/qquickwindow.cpp:1798
#75 0x00007f111bc3858f in QQuickWindowPrivate::deliverPointerEvent (this=this@entry=0x55821fc959c0, event=0x5582203e6d80) at items/qquickwindow.cpp:2361
#76 0x00007f111bc392df in QQuickWindowPrivate::handleMouseEvent (event=0x7ffcfacdad40, this=0x55821fc959c0) at items/qquickwindow.cpp:2224
#77 QQuickWindowPrivate::handleMouseEvent (this=0x55821fc959c0, event=0x7ffcfacdad40) at items/qquickwindow.cpp:2177
#78 0x00007f111a758b3d in QWindow::event (this=this@entry=0x7ffcfacdb220, ev=ev@entry=0x7ffcfacdad40) at kernel/qwindow.cpp:2341
#79 0x00007f111bc3a67f in QQuickWindow::event (this=0x7ffcfacdb220, e=0x7ffcfacdad40) at items/qquickwindow.cpp:1687
#80 0x00007f111bf60b2b in PlasmaQuick::Dialog::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#81 0x000055821e344233 in View::event (this=0x7ffcfacdb220, event=0x7ffcfacdad40) at ./krunner/view.cpp:177
#82 0x00007f111ae13a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#83 0x00007f111ae1ce00 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#84 0x00007f111a365a9a in QCoreApplication::notifyInternal2 (receiver=0x7ffcfacdb220, event=0x7ffcfacdad40) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#85 0x00007f111a74dd73 in QGuiApplicationPrivate::processMouseEvent (e=e@entry=0x5582203f1c30) at kernel/qguiapplication.cpp:2107
#86 0x00007f111a74f5fb in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x5582203f1c30) at kernel/qguiapplication.cpp:1842
#87 0x00007f111a72926b in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:1151
#88 0x00007f11153ea904 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#89 0x00007f1118c2484d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#90 0x00007f1118c24ad0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#91 0x00007f1118c24b73 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#92 0x00007f111a3bd6a5 in QEventDispatcherGlib::processEvents (this=0x55821fc6ea40, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#93 0x00007f111a36463b in QEventLoop::exec (this=this@entry=0x7ffcfacdb0e0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#94 0x00007f111a36c3a6 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#95 0x000055821e341a21 in main (argc=<optimized out>, argv=<optimized out>) at ./krunner/main.cpp:134
[Inferior 1 (process 13327) detached]

Possible duplicates by query: bug 413630, bug 412877, bug 411087.

Reported using DrKonqi