Bug 417591

Application: systemsettings5 (5.18.0)

Qt Version: 5.13.2
Frameworks Version: 5.67.0
Operating System: Linux 4.15.0-76-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

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

I tried to open Application Style settings. This happen every time I try

The crash can be reproduced every time.

-- Backtrace:
Application: Параметры системы (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fef2ae9b800 (LWP 28998))]

Thread 6 (Thread 0x7feef168f700 (LWP 29013)):
#0  0x00007fef1fad9649 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fef1fa92470 in g_main_context_acquire () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef1fa93485 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef1fa936dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fef26d37acb in QEventDispatcherGlib::processEvents (this=0x7feeec16b2a0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fef26cd7f9a in QEventLoop::exec (this=this@entry=0x7feef168ed80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#6  0x00007fef26af33aa in QThread::exec (this=this@entry=0x55a9828938a0) at thread/qthread.cpp:531
#7  0x00007fef24678815 in QQmlThreadPrivate::run (this=0x55a9828938a0) at qml/ftw/qqmlthread.cpp:152
#8  0x00007fef26af4b52 in QThreadPrivate::start (arg=0x55a9828938a0) at thread/qthread_unix.cpp:360
#9  0x00007fef21e526db in start_thread (arg=0x7feef168f700) at pthread_create.c:463
#10 0x00007fef263f188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7feef9189700 (LWP 29005)):
#0  0x00007fef263e00b4 in __GI___libc_read (fd=33, buf=0x7feef9188b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fef1fad82d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef1fa930b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef1fa93570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fef1fa936dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fef26d37acb in QEventDispatcherGlib::processEvents (this=0x7feef4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fef26cd7f9a in QEventLoop::exec (this=this@entry=0x7feef9188d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fef26af33aa in QThread::exec (this=this@entry=0x55a9814833f0) at thread/qthread.cpp:531
#8  0x00007fef24678815 in QQmlThreadPrivate::run (this=0x55a9814833f0) at qml/ftw/qqmlthread.cpp:152
#9  0x00007fef26af4b52 in QThreadPrivate::start (arg=0x55a9814833f0) at thread/qthread_unix.cpp:360
#10 0x00007fef21e526db in start_thread (arg=0x7feef9189700) at pthread_create.c:463
#11 0x00007fef263f188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fef026d5700 (LWP 29003)):
#0  0x00007fef263e00b4 in __GI___libc_read (fd=20, buf=0x7fef026d4b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fef1fad82d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef1fa930b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef1fa93570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fef1fa936dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fef26d37acb in QEventDispatcherGlib::processEvents (this=0x7feefc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fef26cd7f9a in QEventLoop::exec (this=this@entry=0x7fef026d4d80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007fef26af33aa in QThread::exec (this=this@entry=0x55a981225310) at thread/qthread.cpp:531
#8  0x00007fef24678815 in QQmlThreadPrivate::run (this=0x55a981225310) at qml/ftw/qqmlthread.cpp:152
#9  0x00007fef26af4b52 in QThreadPrivate::start (arg=0x55a981225310) at thread/qthread_unix.cpp:360
#10 0x00007fef21e526db in start_thread (arg=0x7fef026d5700) at pthread_create.c:463
#11 0x00007fef263f188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fef0fbf1700 (LWP 29001)):
#0  0x00007fef263e4bf9 in __GI___poll (fds=0x7fef08004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fef1fa935c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fef1fa936dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fef26d37acb in QEventDispatcherGlib::processEvents (this=0x7fef08000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fef26cd7f9a in QEventLoop::exec (this=this@entry=0x7fef0fbf0d70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007fef26af33aa in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007fef271ae0e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fef26af4b52 in QThreadPrivate::start (arg=0x7fef27425d80) at thread/qthread_unix.cpp:360
#8  0x00007fef21e526db in start_thread (arg=0x7fef0fbf1700) at pthread_create.c:463
#9  0x00007fef263f188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fef17d75700 (LWP 29000)):
#0  0x00007fef263e4bf9 in __GI___poll (fds=0x7fef17d74ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fef21a16747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fef21a1836a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fef1ab5ae10 in QXcbEventQueue::run (this=0x55a980e8f230) at qxcbeventqueue.cpp:228
#4  0x00007fef26af4b52 in QThreadPrivate::start (arg=0x55a980e8f230) at thread/qthread_unix.cpp:360
#5  0x00007fef21e526db in start_thread (arg=0x7fef17d75700) at pthread_create.c:463
#6  0x00007fef263f188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fef2ae9b800 (LWP 28998)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007fef26310801 in __GI_abort () at abort.c:79
#8  0x00007fef26ad0cbb in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1907
#9  QMessageLogger::fatal (this=this@entry=0x7ffee1ac6d50, msg=msg@entry=0x7fef26e8ef08 "Cannot mix incompatible Qt library (version 0x%x) with this library (version 0x%x)") at global/qlogging.cpp:888
#10 0x00007fef26d07c0e in QObjectPrivate::QObjectPrivate (this=<optimized out>, version=<optimized out>) at kernel/qobject.cpp:220
#11 0x00007feee8a6bb7e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#12 0x00007feee8a5aa3e in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#13 0x00007feee8a6e46b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#14 0x00007fef27ddeff3 in qLoadPlugin<QStyle, QStylePlugin> (key=..., loader=<optimized out>) at ../../include/QtCore/5.13.2/QtCore/private/../../../../../src/corelib/plugin/qfactoryloader_p.h:108
#15 QStyleFactory::create (key=...) at styles/qstylefactory.cpp:105
#16 0x00007feef30b62e1 in PreviewItem::reload (this=0x55a985eec230) at ./kcms/style/previewitem.cpp:117
#17 0x00007fef2465d2f3 in QQmlObjectCreator::finalize (this=0x55a9839a0740, interrupt=...) at qml/qqmlobjectcreator.cpp:1403
#18 0x00007fef245e85b2 in QQmlIncubatorPrivate::incubate (this=0x55a98378e2e0, i=...) at qml/qqmlincubator.cpp:345
#19 0x00007fef245e8b4c in QQmlEnginePrivate::incubate (this=<optimized out>, i=..., forContext=<optimized out>) at qml/qqmlincubator.cpp:89
#20 0x00007fef246c4a9e in QQmlDelegateModelPrivate::object (this=this@entry=0x55a9859f6750, group=QQmlListCompositor::Default, index=index@entry=6, incubationMode=incubationMode@entry=QQmlIncubator::AsynchronousIfNested) at types/qqmldelegatemodel.cpp:1073
#21 0x00007fef246c4ba1 in QQmlDelegateModel::object (this=<optimized out>, index=6, incubationMode=QQmlIncubator::AsynchronousIfNested) at types/qqmldelegatemodel.cpp:1114
#22 0x00007fef24d017cd in QQuickItemViewPrivate::createItem (this=this@entry=0x55a98410f4a0, modelIndex=modelIndex@entry=6, incubationMode=incubationMode@entry=QQmlIncubator::AsynchronousIfNested) at items/qquickitemview.cpp:2301
#23 0x00007fef24cf5476 in QQuickGridViewPrivate::addVisibleItems (this=0x55a98410f4a0, fillFrom=-0, fillTo=850, bufferFrom=<optimized out>, bufferTo=<optimized out>, doBuffer=false) at items/qquickgridview.cpp:520
#24 0x00007fef24d02a97 in QQuickItemViewPrivate::refill (this=0x55a98410f4a0, from=<optimized out>, to=<optimized out>) at items/qquickitemview.cpp:1760
#25 0x00007fef24d0575c in QQuickItemViewPrivate::regenerate (this=0x55a98410f4a0, orientationChanged=<optimized out>) at items/qquickitemview.cpp:1806
#26 0x00007fef24d05914 in QQuickItemView::modelUpdated (this=0x55a984862470, changeSet=..., reset=<optimized out>) at items/qquickitemview.cpp:1208
#27 0x00007fef24d06fd0 in QQuickItemView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qquickitemview_p.cpp:541
#28 0x00007fef26d0a805 in QMetaObject::activate (sender=sender@entry=0x55a983880e70, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1, argv=<optimized out>, argv@entry=0x7ffee1ac75f0) at kernel/qobject.cpp:3809
#29 0x00007fef26d0aec7 in QMetaObject::activate (sender=sender@entry=0x55a983880e70, m=m@entry=0x7fef24a00000 <QQmlInstanceModel::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7ffee1ac75f0) at kernel/qobject.cpp:3660
#30 0x00007fef2469f366 in QQmlInstanceModel::modelUpdated (this=this@entry=0x55a983880e70, _t1=..., _t2=<optimized out>) at .moc/moc_qqmlobjectmodel_p.cpp:226
#31 0x00007fef246bb2b8 in QQmlDelegateModelPrivate::emitModelUpdated (this=<optimized out>, changeSet=..., reset=<optimized out>) at types/qqmldelegatemodel.cpp:1578
#32 0x00007fef246c0fbf in QQmlDelegateModelGroupPrivate::emitModelUpdated (this=0x55a9834e35e0, reset=reset@entry=true) at types/qqmldelegatemodel.cpp:2456
#33 0x00007fef246c13bc in QQmlDelegateModelPrivate::emitChanges (this=0x55a9859f6750) at types/qqmldelegatemodel.cpp:1623
#34 0x00007fef246c9fcd in QQmlDelegateModel::_q_modelReset (this=0x55a983880e70) at types/qqmldelegatemodel.cpp:1668
#35 0x00007fef246ca405 in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x55a983880e70, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=7, _a=_a@entry=0x7ffee1ac7900) at .moc/moc_qqmldelegatemodel_p.cpp:198
#36 0x00007fef246ca895 in QQmlDelegateModel::qt_metacall (this=0x55a983880e70, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffee1ac7900) at .moc/moc_qqmldelegatemodel_p.cpp:335
#37 0x00007fef26d0a8c9 in QMetaObject::activate (sender=sender@entry=0x55a983a1db80, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=18, argv=<optimized out>, argv@entry=0x7ffee1ac7900) at kernel/qobject.cpp:3825
#38 0x00007fef26d0aec7 in QMetaObject::activate (sender=sender@entry=0x55a983a1db80, m=m@entry=0x7fef2718e160 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=18, argv=argv@entry=0x7ffee1ac7900) at kernel/qobject.cpp:3660
#39 0x00007fef26c7594a in QAbstractItemModel::modelReset (this=this@entry=0x55a983a1db80, _t1=...) at .moc/moc_qabstractitemmodel.cpp:648
#40 0x00007fef26c7753c in QAbstractItemModel::endResetModel (this=this@entry=0x55a983a1db80) at itemmodels/qabstractitemmodel.cpp:3271
#41 0x00007feef30afbc1 in StylesModel::load (this=0x55a983a1db80) at ./kcms/style/stylesmodel.cpp:206
#42 0x00007feef30aa5a3 in KCMStyle::load (this=0x55a9837c85e0) at ./kcms/style/kcmstyle.cpp:259
#43 0x00007fef2a8747d2 in KCModuleQml::load (this=0x55a9821ec6e0) at ./src/kcmoduleqml.cpp:313
#44 0x00007fef2a874add in KCModuleQml::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./obj-x86_64-linux-gnu/src/KF5KCMUtils_autogen/include/moc_kcmoduleqml_p.cpp:82
#45 0x00007fef26d0b362 in QObject::event (this=this@entry=0x55a9821ec6e0, e=e@entry=0x55a98437bb40) at kernel/qobject.cpp:1260
#46 0x00007fef27daf3cb in QWidget::event (this=0x55a9821ec6e0, event=event@entry=0x55a98437bb40) at kernel/qwidget.cpp:9405
#47 0x00007fef2a8763a9 in KCModuleQml::event (this=<optimized out>, event=0x55a98437bb40) at ./src/kcmoduleqml.cpp:273
#48 0x00007fef27d6deac in QApplicationPrivate::notify_helper (this=this@entry=0x55a980e6f2c0, receiver=receiver@entry=0x55a9821ec6e0, e=e@entry=0x55a98437bb40) at kernel/qapplication.cpp:3703
#49 0x00007fef27d754b0 in QApplication::notify (this=0x7ffee1ac81f0, receiver=0x55a9821ec6e0, e=0x55a98437bb40) at kernel/qapplication.cpp:3449
#50 0x00007fef26cd9e38 in QCoreApplication::notifyInternal2 (receiver=0x55a9821ec6e0, event=0x55a98437bb40) at kernel/qcoreapplication.cpp:1095
#51 0x00007fef26cda00e in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x55a98437bb40) at kernel/qcoreapplication.cpp:1490
#52 0x00007fef26cdc757 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55a980e65fa0) at kernel/qcoreapplication.cpp:1840
#53 0x00007fef26cdcce8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1694
#54 0x00007fef26d38493 in postEventSourceDispatch (s=0x55a980ec3860) at kernel/qeventdispatcher_glib.cpp:277
#55 0x00007fef1fa93417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007fef1fa93650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007fef1fa936dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007fef26d37aaf in QEventDispatcherGlib::processEvents (this=0x55a980ec5eb0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#59 0x00007fef26cd7f9a in QEventLoop::exec (this=this@entry=0x7ffee1ac8110, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#60 0x00007fef26ce1310 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1403
#61 0x000055a9802062c0 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:70

Possible duplicates by query: bug 417548, bug 417410, bug 416969, bug 415674, bug 414938.

Reported using DrKonqi