https://bugs.kde.org/show_bug.cgi?id=456526
Bug ID: 456526
Summary: Crash when switching between cursor themes
Product: systemsettings
Version: 5.25.2
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_cursortheme
Assignee: plasma-b...@kde.org
Reporter: k...@hexchain.org
Target Milestone: ---
SUMMARY
When switching between certain cursor themes, systemsettings crashes.
STEPS TO REPRODUCE
1. Install Posy's cursor theme from https://www.pling.com/p/1795042/
2. Switch (click the preview widget) back and forth multiple times between
Posy's cursor theme and Breeze
OBSERVED RESULT
systemsettings crashes.
Stack trace:
#0 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1 0x00007f6da375a3d3 in __pthread_kill_internal (signo=11,
threadid=<optimized out>) at pthread_kill.c:78
#2 0x00007f6da370a838 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#3 0x00007f6da515a384 in KCrash::defaultCrashHandler (sig=11) at
/usr/src/debug/kcrash-5.95.0/src/kcrash.cpp:618
#4 <signal handler called>
#5 0x00007f6d2db4a23c in operator() (__closure=0x55da3051df30) at
/usr/src/debug/plasma-workspace-5.25.2/kcms/cursortheme/xcursor/previewwidget.cpp:118
#6 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void,
PreviewWidget::PreviewWidget(QQuickItem*)::<lambda()> >::call
(arg=0x7fff700ccad0, f=...) at /usr/include/qt/QtCore/qobjectdefs_impl.h:146
#7 QtPrivate::Functor<PreviewWidget::PreviewWidget(QQuickItem*)::<lambda()>,
0>::call<QtPrivate::List<>, void> (arg=0x7fff700ccad0, f=...) at
/usr/include/qt/QtCore/qobjectdefs_impl.h:256
#8
QtPrivate::QFunctorSlotObject<PreviewWidget::PreviewWidget(QQuickItem*)::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *) (which=1, this_=0x55da3051df20, r=0x55da3051dc20,
a=0x7fff700ccad0, ret=0x0) at /usr/include/qt/QtCore/qobjectdefs_impl.h:443
#9 0x00007f6da3dce341 in QtPrivate::QSlotObjectBase::call (a=<optimized out>,
r=<optimized out>, this=<optimized out>, this=<optimized out>, r=<optimized
out>, a=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#10 doActivate<false> (sender=0x55da3051dc70, signal_index=3,
argv=0x7fff700ccad0) at kernel/qobject.cpp:3886
#11 0x00007f6da3dd06ff in QTimer::timeout (this=<optimized out>, _t1=...) at
.moc/moc_qtimer.cpp:205
#12 0x00007f6da3dc13e6 in QObject::event (this=0x55da3051dc70,
e=0x7fff700ccc40) at kernel/qobject.cpp:1291
#13 0x00007f6da491bb3c in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55da3051dc70, e=0x7fff700ccc40) at
kernel/qapplication.cpp:3637
#14 0x00007f6da3d9dad8 in QCoreApplication::notifyInternal2
(receiver=0x55da3051dc70, event=0x7fff700ccc40) at
kernel/qcoreapplication.cpp:1064
#15 0x00007f6da3de7b73 in QTimerInfoList::activateTimers (this=0x55da2e7d00c0)
at kernel/qtimerinfo_unix.cpp:643
#16 0x00007f6da3de816a in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:183
#17 0x00007f6da23c7c6b in g_main_dispatch (context=0x7f6d98005010) at
../glib/glib/gmain.c:3417
#18 g_main_context_dispatch (context=0x7f6d98005010) at
../glib/glib/gmain.c:4135
#19 0x00007f6da241e001 in g_main_context_iterate.constprop.0
(context=context@entry=0x7f6d98005010, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4211
#20 0x00007f6da23c5392 in g_main_context_iteration (context=0x7f6d98005010,
may_block=1) at ../glib/glib/gmain.c:4276
#21 0x00007f6da3de832c in QEventDispatcherGlib::processEvents
(this=0x55da2e764eb0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007f6da3d9627c in QEventLoop::exec (this=0x7fff700ccef0, flags=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#23 0x00007f6da3da0da9 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#24 0x00007f6da4275092 in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1867
#25 0x00007f6da4919f4a in QApplication::exec () at kernel/qapplication.cpp:2829
#26 0x000055da2e4d5b93 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/systemsettings-5.25.2/app/main.cpp:183
EXPECTED RESULT
It should not crash.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
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