Application: kcmshell5 (5.23.2)

Qt Version: 5.15.3
Frameworks Version: 5.87.0
Operating System: Linux 5.11.0-38-generic x86_64
Windowing System: X11
Distribution: Windowsfx 11
DrKonqi: 5.23.2 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:  Had just installed OS; was setting up a theme; selected "Dark Willow" (or "Willow Dark" ??).

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: System Settings Module (kcmshell5), signal: Segmentation fault

[New LWP 2159]
[New LWP 2160]
[New LWP 2161]
[New LWP 2162]
[New LWP 2163]
[New LWP 2164]
[New LWP 2178]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f593096caff in __GI___poll (fds=0x7fff51b0e678, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f592c035980 (LWP 2157))]

Thread 8 (Thread 0x7f58fdb99700 (LWP 2178)):
#0  0x00007f592ee2f363 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f592ee2f4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5930f3a61b in QEventDispatcherGlib::processEvents (this=0x7f58ec000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#3  0x00007f5930ede8ab in QEventLoop::exec (this=this@entry=0x7f58fdb98c00, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#4  0x00007f5930cf82c2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#5  0x00007f592ff64549 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f5930cf945c in QThreadPrivate::start (arg=0x5636c95d3f00) at thread/qthread_unix.cpp:329
#7  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f5920cd9700 (LWP 2164)):
#0  0x00007f593096caff in __GI___poll (fds=0x7f5904004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f592ee2f36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f592ee2f4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5930f3a61b in QEventDispatcherGlib::processEvents (this=0x7f5904000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5930ede8ab in QEventLoop::exec (this=this@entry=0x7f5920cd8c00, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f5930cf82c2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f592ff64549 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f5930cf945c in QThreadPrivate::start (arg=0x5636c7f91e40) at thread/qthread_unix.cpp:329
#8  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f5921eea700 (LWP 2163)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5636c7e9675c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5636c7e96708, cond=0x5636c7e96730) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5636c7e96730, mutex=0x5636c7e96708) at pthread_cond_wait.c:638
#3  0x00007f5922833e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f5922833a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f59226eb700 (LWP 2162)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5636c7e96758) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5636c7e96708, cond=0x5636c7e96730) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5636c7e96730, mutex=0x5636c7e96708) at pthread_cond_wait.c:638
#3  0x00007f5922833e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f5922833a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f5928dd8700 (LWP 2161)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5636c7e96758) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5636c7e96708, cond=0x5636c7e96730) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5636c7e96730, mutex=0x5636c7e96708) at pthread_cond_wait.c:638
#3  0x00007f5922833e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f5922833a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f59295d9700 (LWP 2160)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5636c7e9675c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5636c7e96708, cond=0x5636c7e96730) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5636c7e96730, mutex=0x5636c7e96708) at pthread_cond_wait.c:638
#3  0x00007f5922833e7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f5922833a7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f592a38a700 (LWP 2159)):
#0  0x00007f593096caff in __GI___poll (fds=0x7f591c004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f592ee2f36e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f592ee2f4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5930f3a61b in QEventDispatcherGlib::processEvents (this=0x7f591c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f5930ede8ab in QEventLoop::exec (this=this@entry=0x7f592a389bf0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f5930cf82c2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f593119bf4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f5930cf945c in QThreadPrivate::start (arg=0x7f593121fd80) at thread/qthread_unix.cpp:329
#8  0x00007f592f841609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f5930979293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f592c035980 (LWP 2157)):
[KCrash Handler]
#4  0x00007f5915100bf8 in KCMKWinDecoration::borderSizeIndexToString (this=this@entry=0x5636c83ea570, index=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:117
#5  0x00007f5915100ef7 in KCMKWinDecoration::save (this=0x5636c83ea570) at ./src/kcmkwin/kwindecoration/kcm.cpp:124
#6  0x00007f593247c056 in KCModuleQml::save (this=0x5636c8b5f960) at /usr/include/c++/9/bits/unique_ptr.h:360
#7  0x00007f593248449f in KCModuleProxy::save (this=this@entry=0x5636c83e98e0) at ./src/kcmoduleproxy.cpp:263
#8  0x00007f593247f640 in KCMultiDialogPrivate::apply (this=<optimized out>) at ./src/kcmultidialog.cpp:371
#9  0x00007f5930f16dce in QtPrivate::QSlotObjectBase::call (a=0x7fff51b0f380, r=0x7f591c00b470, this=0x5636c83695e0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#10 doActivate<false> (sender=0x5636c7f43f70, signal_index=9, argv=0x7fff51b0f380) at kernel/qobject.cpp:3886
#11 0x00007f5930f10197 in QMetaObject::activate (sender=sender@entry=0x5636c7f43f70, m=m@entry=0x7f59320a8600 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff51b0f380) at kernel/qobject.cpp:3946
#12 0x00007f5931c89cb6 in QAbstractButton::clicked (this=this@entry=0x5636c7f43f70, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#13 0x00007f5931c89ede in QAbstractButtonPrivate::emitClicked (this=0x5636c7f41ca0) at widgets/qabstractbutton.cpp:415
#14 0x00007f5931c8b3b3 in QAbstractButtonPrivate::click (this=0x5636c7f41ca0) at widgets/qabstractbutton.cpp:408
#15 0x00007f5931c8b575 in QAbstractButton::mouseReleaseEvent (this=0x5636c7f43f70, e=0x7fff51b0f940) at widgets/qabstractbutton.cpp:1044
#16 0x00007f5931bd4cf6 in QWidget::event (this=0x5636c7f43f70, event=0x7fff51b0f940) at kernel/qwidget.cpp:8664
#17 0x00007f5931c8c7a3 in QAbstractButton::event (this=this@entry=0x5636c7f43f70, e=e@entry=0x7fff51b0f940) at widgets/qabstractbutton.cpp:1001
#18 0x00007f5931d2fdd3 in QPushButton::event (this=0x5636c7f43f70, e=0x7fff51b0f940) at widgets/qpushbutton.cpp:709
#19 0x00007f5931b91dc3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5636c7f43f70, e=0x7fff51b0f940) at kernel/qapplication.cpp:3632
#20 0x00007f5931b9ae77 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3076
#21 0x00007f5930edfdaa in QCoreApplication::notifyInternal2 (receiver=0x5636c7f43f70, event=0x7fff51b0f940) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#22 0x00007f5931b9a0a7 in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x5636c7f43f70, event=event@entry=0x7fff51b0f940, alienWidget=alienWidget@entry=0x5636c7f43f70, nativeWidget=0x7f591c00b470, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#23 0x00007f5931beff44 in QWidgetWindow::handleMouseEvent (this=0x5636c7f75220, event=0x7fff51b0fdc0) at /usr/include/c++/9/bits/atomic_base.h:413
#24 0x00007f5931bf3264 in QWidgetWindow::event (event=0x7fff51b0fdc0, this=0x5636c7f75220) at kernel/qwidgetwindow.cpp:300
#25 QWidgetWindow::event (this=0x5636c7f75220, event=0x7fff51b0fdc0) at kernel/qwidgetwindow.cpp:239
#26 0x00007f5931b91dc3 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5636c7f75220, e=0x7fff51b0fdc0) at kernel/qapplication.cpp:3632
#27 0x00007f5931b9abb8 in QApplication::notify(QObject*, QEvent*) () at kernel/qapplication.cpp:3156
#28 0x00007f5930edfdaa in QCoreApplication::notifyInternal2 (receiver=0x5636c7f75220, event=0x7fff51b0fdc0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#29 0x00007f593149b4d8 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at kernel/qguiapplication.cpp:2282
#30 0x00007f593149b060 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at kernel/qguiapplication.cpp:2156
#31 0x00007f593149cb45 in QGuiApplicationPrivate::processWindowSystemEvent (e=0x5636c843bc30) at kernel/qguiapplication.cpp:2002
#32 0x00007f59314747ac in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169
#33 0x00007f592b97deae in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#34 0x00007f592ee2f17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f592ee2f400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f592ee2f4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f5930f3a602 in QEventDispatcherGlib::processEvents (this=0x5636c7dc5e00, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#38 0x00007f5930ede8ab in QEventLoop::exec (this=this@entry=0x7fff51b10380, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#39 0x00007f5930ee6a64 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#40 0x00005636c755d5cb in main (_argc=<optimized out>, _argv=<optimized out>) at ./kcmshell/main.cpp:330
[Inferior 1 (process 2157) detached]

Reported using DrKonqi