Bug 412132

Application: systemsettings5 (5.16.90)

Qt Version: 5.12.3
Frameworks Version: 5.63.0
Operating System: Linux 5.0.0-29-generic x86_64
Distribution: KDE neon Testing Edition

-- Information about the crash:
When changing from the default global theme to "Breeze Dark" the System Settings crashed.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb61ed44800 (LWP 1215))]

Thread 9 (Thread 0x7fb5ce737700 (LWP 1232)):
#0  0x00007fb61a294bf9 in __GI___poll (fds=0x7fb5c8004e00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb61371a5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb61371a6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb61abd7dcb in QEventDispatcherGlib::processEvents (this=0x7fb5c8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb61ab7903a in QEventLoop::exec (this=this@entry=0x7fb5ce736d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fb61a9a04ca in QThread::exec (this=this@entry=0x55b8c644c2f0) at thread/qthread.cpp:531
#6  0x00007fb618759115 in QQmlThreadPrivate::run (this=0x55b8c644c2f0) at qml/ftw/qqmlthread.cpp:148
#7  0x00007fb61a9a1c72 in QThreadPrivate::start (arg=0x55b8c644c2f0) at thread/qthread_unix.cpp:361
#8  0x00007fb615ad96db in start_thread (arg=0x7fb5ce737700) at pthread_create.c:463
#9  0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fb5d68c7700 (LWP 1225)):
#0  0x00007fb61a2900b4 in __GI___libc_read (fd=13, buf=0x7fb5d68c6b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fb61375f2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb61371a0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb61371a570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb61371a6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb61abd7dcb in QEventDispatcherGlib::processEvents (this=0x7fb5d0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fb61ab7903a in QEventLoop::exec (this=this@entry=0x7fb5d68c6d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fb61a9a04ca in QThread::exec (this=this@entry=0x55b8c4ed7460) at thread/qthread.cpp:531
#8  0x00007fb618759115 in QQmlThreadPrivate::run (this=0x55b8c4ed7460) at qml/ftw/qqmlthread.cpp:148
#9  0x00007fb61a9a1c72 in QThreadPrivate::start (arg=0x55b8c4ed7460) at thread/qthread_unix.cpp:361
#10 0x00007fb615ad96db in start_thread (arg=0x7fb5d68c7700) at pthread_create.c:463
#11 0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fb5df325700 (LWP 1224)):
#0  0x00007fb61a2900b4 in __GI___libc_read (fd=12, buf=0x7fb5df324b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fb61375f2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb61371a0b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb61371a570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb61371a6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb61abd7dcb in QEventDispatcherGlib::processEvents (this=0x7fb5d8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fb61ab7903a in QEventLoop::exec (this=this@entry=0x7fb5df324d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fb61a9a04ca in QThread::exec (this=this@entry=0x55b8c4c61250) at thread/qthread.cpp:531
#8  0x00007fb618759115 in QQmlThreadPrivate::run (this=0x55b8c4c61250) at qml/ftw/qqmlthread.cpp:148
#9  0x00007fb61a9a1c72 in QThreadPrivate::start (arg=0x55b8c4c61250) at thread/qthread_unix.cpp:361
#10 0x00007fb615ad96db in start_thread (arg=0x7fb5df325700) at pthread_create.c:463
#11 0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fb5f5421700 (LWP 1222)):
#0  0x00007fb615adf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b8c4b37d5c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b8c4b37d08, cond=0x55b8c4b37d30) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b8c4b37d30, mutex=0x55b8c4b37d08) at pthread_cond_wait.c:655
#3  0x00007fb5fb0232bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5fb022d97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb615ad96db in start_thread (arg=0x7fb5f5421700) at pthread_create.c:463
#6  0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fb5f5c22700 (LWP 1221)):
#0  0x00007fb615adf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b8c4b37bfc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b8c4b37ba8, cond=0x55b8c4b37bd0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b8c4b37bd0, mutex=0x55b8c4b37ba8) at pthread_cond_wait.c:655
#3  0x00007fb5fb0232bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5fb022d97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb615ad96db in start_thread (arg=0x7fb5f5c22700) at pthread_create.c:463
#6  0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fb5f6423700 (LWP 1220)):
#0  0x00007fb615adf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b8c4b37a9c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b8c4b37a48, cond=0x55b8c4b37a70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b8c4b37a70, mutex=0x55b8c4b37a48) at pthread_cond_wait.c:655
#3  0x00007fb5fb0232bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5fb022d97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb615ad96db in start_thread (arg=0x7fb5f6423700) at pthread_create.c:463
#6  0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fb5f6c24700 (LWP 1219)):
#0  0x00007fb615adf9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b8c4b37938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55b8c4b378e8, cond=0x55b8c4b37910) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55b8c4b37910, mutex=0x55b8c4b378e8) at pthread_cond_wait.c:655
#3  0x00007fb5fb0232bb in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#4  0x00007fb5fb022d97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#5  0x00007fb615ad96db in start_thread (arg=0x7fb5f6c24700) at pthread_create.c:463
#6  0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fb60354f700 (LWP 1218)):
#0  0x00007fb61a294bf9 in __GI___poll (fds=0x7fb5fc004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fb61371a5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb61371a6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb61abd7dcb in QEventDispatcherGlib::processEvents (this=0x7fb5fc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb61ab7903a in QEventLoop::exec (this=this@entry=0x7fb60354ed70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fb61a9a04ca in QThread::exec (this=this@entry=0x7fb61b2bdd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:531
#6  0x00007fb61b046015 in QDBusConnectionManager::run (this=0x7fb61b2bdd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#7  0x00007fb61a9a1c72 in QThreadPrivate::start (arg=0x7fb61b2bdd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:361
#8  0x00007fb615ad96db in start_thread (arg=0x7fb60354f700) at pthread_create.c:463
#9  0x00007fb61a2a188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fb61ed44800 (LWP 1215)):
[KCrash Handler]
#6  0x00007fb61ab83fe7 in QMetaObject::cast (this=0x7fb609ba2d80 <QQuickApplicationWindow::staticMetaObject>, obj=0x55b8c608c9c0) at kernel/qmetaobject.cpp:368
#7  0x00007fb61ab84025 in QMetaObject::cast (this=<optimized out>, obj=<optimized out>) at kernel/qmetaobject.cpp:357
#8  0x00007fb60991a1d7 in qobject_cast<QQuickApplicationWindow*> (object=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:504
#9  QQuickPopupItemPrivate::resolvePalette (this=0x55b8c6f85b70) at qquickpopupitem.cpp:104
#10 0x00007fb6099191a7 in QQuickPopup::qt_static_metacall (_o=_o@entry=0x55b8c6f858d0, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=44, _a=_a@entry=0x7ffde2a8cc10) at .moc/moc_qquickpopup_p.cpp:1261
#11 0x00007fb609919c33 in QQuickPopup::qt_metacall (this=this@entry=0x55b8c6f858d0, _c=_c@entry=QMetaObject::WriteProperty, _id=44, _a=_a@entry=0x7ffde2a8cc10) at .moc/moc_qquickpopup_p.cpp:1349
#12 0x00007fb60995c035 in QQuickToolTip::qt_metacall (this=0x55b8c6f858d0, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7ffde2a8cc10) at .moc/moc_qquicktooltip_p.cpp:198
#13 0x00007fb618736656 in QV4::QQmlValueTypeWrapper::write (this=this@entry=0x7fb5cdaf84c8, target=0x55b8c6f858d0, propertyIndex=45) at qml/qqmlvaluetypewrapper.cpp:331
#14 0x00007fb61872efd4 in GenericBinding<0>::write (this=0x55b8c6f86ed0, result=..., isUndefined=<optimized out>, flags=...) at qml/qqmlbinding.cpp:318
#15 0x00007fb618730127 in QQmlNonbindingBinding::doUpdate (this=0x55b8c6f86ed0, watcher=..., flags=..., scope=...) at qml/qqmlbinding.cpp:249
#16 0x00007fb61872c6f3 in QQmlBinding::update (this=0x55b8c6f86ed0, flags=...) at qml/qqmlbinding.cpp:185
#17 0x00007fb618705c12 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=a@entry=0x7ffde2a8e8e0) at qml/qqmlnotifier.cpp:104
#18 0x00007fb6186ab8e9 in QQmlData::signalEmitted (object=0x55b8c6f86f60, index=<optimized out>, a=0x7ffde2a8e8e0) at qml/qqmlengine.cpp:883
#19 0x00007fb61abaa0af in QMetaObject::activate (sender=sender@entry=0x55b8c6f86f60, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7ffde2a8e8e0) at kernel/qobject.cpp:3664
#20 0x00007fb61abaaf47 in QMetaObject::activate (sender=sender@entry=0x55b8c6f86f60, m=m@entry=0x7fb5ddca0960 <Kirigami::PlatformTheme::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7ffde2a8e8e0) at kernel/qobject.cpp:3648
#21 0x00007fb5dda91995 in Kirigami::PlatformTheme::paletteChanged (this=this@entry=0x55b8c6f86f60, _t1=...) at ./obj-x86_64-linux-gnu/src/libkirigami/KF5Kirigami2_autogen/include/moc_platformtheme.cpp:426
#22 0x00007fb5dda94024 in Kirigami::PlatformTheme::setPalette (this=this@entry=0x55b8c6f86f60, palette=...) at ./src/libkirigami/platformtheme.cpp:697
#23 0x00007fb5d72dcf03 in PlasmaDesktopTheme::syncColors (this=<optimized out>) at ./kirigami-plasmadesktop-integration/plasmadesktoptheme.cpp:218
#24 0x00007fb61abaa98f in QtPrivate::QSlotObjectBase::call (a=0x7ffde2a8ebd0, r=0x55b8c6f86f60, this=0x55b8c6f87610) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#25 QMetaObject::activate (sender=sender@entry=0x55b8c4cee110, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3776
#26 0x00007fb61abaaf47 in QMetaObject::activate (sender=sender@entry=0x55b8c4cee110, m=m@entry=0x7fb5d74e1b80 <StyleSingleton::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3648
#27 0x00007fb5d72df14b in StyleSingleton::paletteChanged (this=0x55b8c4cee110) at ./obj-x86_64-linux-gnu/kirigami-plasmadesktop-integration/org.kde.desktop_autogen/include/plasmadesktoptheme.moc:129
#28 StyleSingleton::refresh (this=0x55b8c4cee110) at ./kirigami-plasmadesktop-integration/plasmadesktoptheme.cpp:67
#29 0x00007fb61abaa98f in QtPrivate::QSlotObjectBase::call (a=0x7ffde2a8ed70, r=0x55b8c4cee110, this=0x55b8c4cfd490) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#30 QMetaObject::activate (sender=0x7ffde2a8f680, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffde2a8ed70) at kernel/qobject.cpp:3776
#31 0x00007fb61abaaf47 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fb61ba91ae0 <QGuiApplication::staticMetaObject>, local_signal_index=local_signal_index@entry=11, argv=argv@entry=0x7ffde2a8ed70) at kernel/qobject.cpp:3648
#32 0x00007fb61b3c7a15 in QGuiApplication::paletteChanged (this=<optimized out>, _t1=...) at .moc/moc_qguiapplication.cpp:457
#33 0x00007fb60a63225c in KHintsSettings::slotNotifyChange (this=<optimized out>, type=0, arg=<optimized out>) at ./src/platformtheme/khintssettings.cpp:281
#34 0x00007fb60a641f21 in KHintsSettings::qt_static_metacall (_o=_o@entry=0x55b8c496e7d0, _id=_id@entry=3, _a=_a@entry=0x7ffde2a8ef80, _c=QMetaObject::InvokeMetaMethod) at ./obj-x86_64-linux-gnu/src/platformtheme/KDEPlasmaPlatformTheme_autogen/EWIEGA46WW/moc_khintssettings.cpp:96
#35 0x00007fb60a642783 in KHintsSettings::qt_static_metacall (_a=0x7ffde2a8ef80, _id=3, _c=QMetaObject::InvokeMetaMethod, _o=0x55b8c496e7d0) at ./obj-x86_64-linux-gnu/src/platformtheme/KDEPlasmaPlatformTheme_autogen/EWIEGA46WW/moc_khintssettings.cpp:143
#36 KHintsSettings::qt_metacall (this=0x55b8c496e7d0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7ffde2a8ef80) at ./obj-x86_64-linux-gnu/src/platformtheme/KDEPlasmaPlatformTheme_autogen/EWIEGA46WW/moc_khintssettings.cpp:144
#37 0x00007fb61b051128 in QDBusConnectionPrivate::deliverCall (this=<optimized out>, object=<optimized out>, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:991
#38 0x00007fb61abab3e2 in QObject::event (this=0x55b8c496e7d0, e=<optimized out>) at kernel/qobject.cpp:1260
#39 0x00007fb61bc0565c in QApplicationPrivate::notify_helper (this=this@entry=0x55b8c49138b0, receiver=receiver@entry=0x55b8c496e7d0, e=e@entry=0x7fb5fc0090a0) at kernel/qapplication.cpp:3736
#40 0x00007fb61bc0cb90 in QApplication::notify (this=0x7ffde2a8f680, receiver=0x55b8c496e7d0, e=0x7fb5fc0090a0) at kernel/qapplication.cpp:3483
#41 0x00007fb61ab7ad18 in QCoreApplication::notifyInternal2 (receiver=0x55b8c496e7d0, event=0x7fb5fc0090a0) at kernel/qcoreapplication.cpp:1060
#42 0x00007fb61ab7aeee in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x7fb5fc0090a0) at kernel/qcoreapplication.cpp:1450
#43 0x00007fb61ab7d8d7 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55b8c490aff0) at kernel/qcoreapplication.cpp:1799
#44 0x00007fb61ab7de78 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1653
#45 0x00007fb61abd8793 in postEventSourceDispatch (s=0x55b8c49755f0) at kernel/qeventdispatcher_glib.cpp:276
#46 0x00007fb61371a417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fb61371a650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fb61371a6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007fb61abd7daf in QEventDispatcherGlib::processEvents (this=0x55b8c497bab0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0x00007fb61ab7903a in QEventLoop::exec (this=this@entry=0x7ffde2a8f5a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#51 0x00007fb61ab82170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#52 0x000055b8c3dd4218 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:71

Reported using DrKonqi