Application: systemsettings5 (5.18.4)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-47-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Middle-clicked on an empty area in the System Settings.
This happens every time.

- Custom settings of the application:
I switched to Breeze Dark as my Plasma theme recently.

The crash can be reproduced every time.

-- Backtrace:
Application: Configurări de sistem (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc3b8b95800 (LWP 27144))]

Thread 9 (Thread 0x7fc390b7e700 (LWP 31699)):
#0  0x00007fc3bcaaa96f in __GI___poll (fds=0x7fc384129460, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc3bad801ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc3bad802e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc3bd046583 in QEventDispatcherGlib::processEvents (this=0x7fc3840ebc50, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc3bcfed4db in QEventLoop::exec (this=this@entry=0x7fc390b7dd80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fc3bce25785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fc3bc0d81a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fc3bce269d2 in QThreadPrivate::start (arg=0x55cf725031b0) at thread/qthread_unix.cpp:361
#8  0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fc3933e0700 (LWP 27174)):
#0  __GI___libc_read (nbytes=16, buf=0x7fc3933dfb70, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=15, buf=0x7fc3933dfb70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fc3badc889f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc3bad7fcfe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc3bad80152 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc3bad802e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fc3bd046583 in QEventDispatcherGlib::processEvents (this=0x7fc38c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#7  0x00007fc3bcfed4db in QEventLoop::exec (this=this@entry=0x7fc3933dfd80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#8  0x00007fc3bce25785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#9  0x00007fc3bc0d81a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fc3bce269d2 in QThreadPrivate::start (arg=0x55cf6f7bec90) at thread/qthread_unix.cpp:361
#11 0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fc3ad4d8700 (LWP 27163)):
#0  0x00007fc3bad7c72d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc3bad7e185 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc3bad7f66b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc3bad800db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc3bad802e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc3bd046583 in QEventDispatcherGlib::processEvents (this=0x7fc398000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fc3bcfed4db in QEventLoop::exec (this=this@entry=0x7fc3ad4d7d80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007fc3bce25785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007fc3bc0d81a9 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fc3bce269d2 in QThreadPrivate::start (arg=0x55cf6f54b260) at thread/qthread_unix.cpp:361
#10 0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fc3ae7fc700 (LWP 27157)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cf6f24a47c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55cf6f24a428, cond=0x55cf6f24a450) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55cf6f24a450, mutex=0x55cf6f24a428) at pthread_cond_wait.c:638
#3  0x00007fc3b4b5b97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc3b4b5b58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fc3aeffd700 (LWP 27156)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cf6f24a478) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55cf6f24a428, cond=0x55cf6f24a450) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55cf6f24a450, mutex=0x55cf6f24a428) at pthread_cond_wait.c:638
#3  0x00007fc3b4b5b97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc3b4b5b58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fc3af7fe700 (LWP 27155)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cf6f24a478) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55cf6f24a428, cond=0x55cf6f24a450) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55cf6f24a450, mutex=0x55cf6f24a428) at pthread_cond_wait.c:638
#3  0x00007fc3b4b5b97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc3b4b5b58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fc3affff700 (LWP 27154)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55cf6f24a47c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55cf6f24a428, cond=0x55cf6f24a450) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55cf6f24a450, mutex=0x55cf6f24a428) at pthread_cond_wait.c:638
#3  0x00007fc3b4b5b97b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fc3b4b5b58b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fc3b6a90700 (LWP 27151)):
#0  0x00007fc3bad7f681 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc3bad800db in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc3bad802e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc3bd046583 in QEventDispatcherGlib::processEvents (this=0x7fc3a8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc3bcfed4db in QEventLoop::exec (this=this@entry=0x7fc3b6a8fd70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fc3bce25785 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fc3bd2c8efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fc3bce269d2 in QThreadPrivate::start (arg=0x7fc3bd34bd80) at thread/qthread_unix.cpp:361
#8  0x00007fc3bb664609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fc3bcab7103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fc3b8b95800 (LWP 27144)):
[KCrash Handler]
#6  QRect::height (this=0x55, this=0x55) at ../../include/QtCore/../../src/corelib/tools/qrect.h:269
#7  QWidget::rect (this=0x55cf7569db90) at ../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:845
#8  QWidgetPrivate::pointInsideRectAndMask (p=..., this=0x55cf755115a0) at ../../include/QtWidgets/5.12.8/QtWidgets/private/../../../../../src/widgets/kernel/qwidget_p.h:1001
#9  QWidgetPrivate::childAt_helper (this=0x55cf755115a0, p=..., ignoreChildrenInDestructor=ignoreChildrenInDestructor@entry=false) at kernel/qwidget.cpp:10478
#10 0x00007fc3bdad248f in QWidget::childAt (this=this@entry=0x55cf7569db90, p=...) at ../../include/QtWidgets/../../src/widgets/kernel/qwidget.h:131
#11 0x00007fc3be5eba0d in KCheckAccelerators::eventFilter (this=0x55cf6f172710, obj=0x55cf7569db90, e=0x7ffcd21bf5e0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpoint.h:122
#12 0x00007fc3bcfee51b in QCoreApplicationPrivate::sendThroughApplicationEventFilters (event=<optimized out>, receiver=<optimized out>, this=<optimized out>) at kernel/qcoreapplication.cpp:1196
#13 QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=this@entry=0x55cf6f10ce80, receiver=receiver@entry=0x55cf7569db90, event=event@entry=0x7ffcd21bf5e0) at kernel/qcoreapplication.cpp:1181
#14 0x00007fc3bdaa4aa0 in QApplicationPrivate::notify_helper (this=this@entry=0x55cf6f10ce80, receiver=receiver@entry=0x55cf7569db90, e=e@entry=0x7ffcd21bf5e0) at /usr/include/c++/9/bits/atomic_base.h:734
#15 0x00007fc3bdaae0f0 in QApplication::notify (this=0x7ffcd21c0520, receiver=0x55cf7569db90, e=0x7ffcd21bf5e0) at kernel/qapplication.cpp:3446
#16 0x00007fc3bcfee93a in QCoreApplication::notifyInternal2 (receiver=0x55cf7569db90, event=0x7ffcd21bf5e0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#17 0x00007fc3bc78a9db in QQuickWidget::mousePressEvent(QMouseEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#18 0x00007fc3bdae72d1 in QWidget::event (this=0x55cf75a02190, event=0x7ffcd21bfc20) at kernel/qwidget.cpp:8959
#19 0x00007fc3bc78ace3 in QQuickWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#20 0x00007fc3bdaa4a66 in QApplicationPrivate::notify_helper (this=this@entry=0x55cf6f10ce80, receiver=receiver@entry=0x55cf75a02190, e=e@entry=0x7ffcd21bfc20) at kernel/qapplication.cpp:3700
#21 0x00007fc3bdaae343 in QApplication::notify (this=<optimized out>, receiver=0x55cf75a02190, e=0x7ffcd21bfc20) at kernel/qapplication.cpp:3160
#22 0x00007fc3bcfee93a in QCoreApplication::notifyInternal2 (receiver=0x55cf75a02190, event=0x7ffcd21bfc20) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#23 0x00007fc3bdaad457 in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x55cf75a02190, event=event@entry=0x7ffcd21bfc20, alienWidget=alienWidget@entry=0x55cf75a02190, nativeWidget=0x55cf6f1bede0, buttonDown=buttonDown@entry=0x7fc3bdfd48d0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2646
#24 0x00007fc3bdb0335d in QWidgetWindow::handleMouseEvent (this=0x55cf6f250cf0, event=0x7ffcd21c00a0) at /usr/include/c++/9/bits/atomic_base.h:413
#25 0x00007fc3bdb061ec in QWidgetWindow::event (event=0x7ffcd21c00a0, this=0x55cf6f250cf0) at kernel/qwidgetwindow.cpp:289
#26 QWidgetWindow::event (this=0x55cf6f250cf0, event=0x7ffcd21c00a0) at kernel/qwidgetwindow.cpp:232
#27 0x00007fc3bdaa4a66 in QApplicationPrivate::notify_helper (this=this@entry=0x55cf6f10ce80, receiver=receiver@entry=0x55cf6f250cf0, e=e@entry=0x7ffcd21c00a0) at kernel/qapplication.cpp:3700
#28 0x00007fc3bdaae0f0 in QApplication::notify (this=0x7ffcd21c0520, receiver=0x55cf6f250cf0, e=0x7ffcd21c00a0) at kernel/qapplication.cpp:3446
#29 0x00007fc3bcfee93a in QCoreApplication::notifyInternal2 (receiver=0x55cf6f250cf0, event=0x7ffcd21c00a0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#30 0x00007fc3bd4737d3 in QGuiApplicationPrivate::processMouseEvent (e=e@entry=0x7fc3b0015f80) at kernel/qguiapplication.cpp:2107
#31 0x00007fc3bd47510b in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x7fc3b0015f80) at kernel/qguiapplication.cpp:1842
#32 0x00007fc3bd44f35b in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1151
#33 0x00007fc3b821532e in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#34 0x00007fc3bad7ffbd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fc3bad80240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fc3bad802e3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fc3bd046565 in QEventDispatcherGlib::processEvents (this=0x55cf6f188f10, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007fc3bcfed4db in QEventLoop::exec (this=this@entry=0x7ffcd21c0440, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#39 0x00007fc3bcff5246 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#40 0x000055cf6d5fa856 in ?? ()
#41 0x00007fc3bc9bc0b3 in __libc_start_main (main=0x55cf6d5fa460, argc=1, argv=0x7ffcd21c0678, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcd21c0668) at ../csu/libc-start.c:308
#42 0x000055cf6d5fa8de in _start ()
[Inferior 1 (process 27144) detached]

Possible duplicates by query: bug 221483.

Reported using DrKonqi