Bug 397324

Application: systemsettings5 (5.13.4)

Qt Version: 5.11.1
Frameworks Version: 5.48.0
Operating System: Linux 4.13.0-39-generic x86_64
Distribution: KDE neon User Edition 5.13

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

i was looking to disable the touchpad in system settings but then it crashed. I remember changing the timeout option for the icon showing up in next to the pointer from 6  seconds to 4 sec

-- 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 0x7f1515bc3940 (LWP 2409))]

Thread 5 (Thread 0x7f14dab6b700 (LWP 2418)):
#0  0x00007f150a983a79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f150a93e7f7 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f150a93f2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f150a93f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1511b370bb in QEventDispatcherGlib::processEvents (this=0x7f14d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f1511ade5ba in QEventLoop::exec (this=this@entry=0x7f14dab6ac50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007f15119135e4 in QThread::exec (this=this@entry=0x4bf9bd0) at thread/qthread.cpp:525
#7  0x00007f150f62b195 in QQmlThreadPrivate::run (this=0x4bf9bd0) at qml/ftw/qqmlthread.cpp:148
#8  0x00007f151191e727 in QThreadPrivate::start (arg=0x4bf9bd0) at thread/qthread_unix.cpp:367
#9  0x00007f150c9c16ba in start_thread (arg=0x7f14dab6b700) at pthread_create.c:333
#10 0x00007f151122b41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f14e35ee700 (LWP 2415)):
#0  0x00007f151121f74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f150a93f38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f150a93f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1511b370bb in QEventDispatcherGlib::processEvents (this=0x7f14dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1511ade5ba in QEventLoop::exec (this=this@entry=0x7f14e35edc50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f15119135e4 in QThread::exec (this=this@entry=0x1f5a260) at thread/qthread.cpp:525
#6  0x00007f150f62b195 in QQmlThreadPrivate::run (this=0x1f5a260) at qml/ftw/qqmlthread.cpp:148
#7  0x00007f151191e727 in QThreadPrivate::start (arg=0x1f5a260) at thread/qthread_unix.cpp:367
#8  0x00007f150c9c16ba in start_thread (arg=0x7f14e35ee700) at pthread_create.c:333
#9  0x00007f151122b41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f14eccf5700 (LWP 2414)):
#0  0x00007f151121b27d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f150a9826f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f150a93ee74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f150a93f330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f150a93f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1511b370bb in QEventDispatcherGlib::processEvents (this=0x7f14e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f1511ade5ba in QEventLoop::exec (this=this@entry=0x7f14eccf4c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#7  0x00007f15119135e4 in QThread::exec (this=this@entry=0x1c1db40) at thread/qthread.cpp:525
#8  0x00007f150f62b195 in QQmlThreadPrivate::run (this=0x1c1db40) at qml/ftw/qqmlthread.cpp:148
#9  0x00007f151191e727 in QThreadPrivate::start (arg=0x1c1db40) at thread/qthread_unix.cpp:367
#10 0x00007f150c9c16ba in start_thread (arg=0x7f14eccf5700) at pthread_create.c:333
#11 0x00007f151122b41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f14f93bc700 (LWP 2412)):
#0  0x00007f151121f74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f150a93f38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f150a93f49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1511b370bb in QEventDispatcherGlib::processEvents (this=0x7f14f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f1511ade5ba in QEventLoop::exec (this=this@entry=0x7f14f93bbc40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5  0x00007f15119135e4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:525
#6  0x00007f1511f7ef35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f151191e727 in QThreadPrivate::start (arg=0x7f15121f7d60) at thread/qthread_unix.cpp:367
#8  0x00007f150c9c16ba in start_thread (arg=0x7f14f93bc700) at pthread_create.c:333
#9  0x00007f151122b41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1515bc3940 (LWP 2409)):
[KCrash Handler]
#6  0x00007f151541ec75 in KCModuleQml::<lambda()>::operator() (__closure=0x208e700) at /workspace/build/src/kcmoduleqml.cpp:72
#7  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, KCModuleQml::KCModuleQml(KQuickAddons::ConfigModule*, QWidget*, const QVariantList&)::<lambda()> >::call (arg=0x7ffdf3a48810, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:128
#8  QtPrivate::Functor<KCModuleQml::KCModuleQml(KQuickAddons::ConfigModule*, QWidget*, const QVariantList&)::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=0x7ffdf3a48810, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:238
#9  QtPrivate::QFunctorSlotObject<KCModuleQml::KCModuleQml(KQuickAddons::ConfigModule*, QWidget*, const QVariantList&)::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=1, this_=0x208e6f0, r=0x4cef0d0, a=0x7ffdf3a48810, ret=0x0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:421
#10 0x00007f1511b0d2a6 in QtPrivate::QSlotObjectBase::call (a=0x7ffdf3a48810, r=0x4cef0d0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#11 QMetaObject::activate (sender=0x4cef0d0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3754
#12 0x00007f14dab6fc7f in LaunchFeedback::updateNeedsSave (this=0x4cef0d0) at /workspace/build/kcms/launch/launchfeedback.cpp:199
#13 0x00007f14dab7236b in LaunchFeedback::qt_metacall (this=0x4cef0d0, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffdf3a48a10) at /workspace/build/obj-x86_64-linux-gnu/kcms/launch/moc_launchfeedback.cpp:202
#14 0x00007f150f548587 in QV4::QObjectWrapper::setProperty (engine=engine@entry=0x80b5f20, object=object@entry=0x4cef0d0, property=0x80e6258, value=...) at jsruntime/qv4qobjectwrapper.cpp:507
#15 0x00007f150f549290 in QV4::QObjectWrapper::setQmlProperty (engine=0x80b5f20, qmlContext=<optimized out>, object=0x4cef0d0, name=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision, value=...) at jsruntime/qv4qobjectwrapper.cpp:429
#16 0x00007f150f54938e in QV4::QObjectWrapper::put (m=0x7f14d9f2c398, name=0x7f14d9f2c390, value=...) at jsruntime/qv4qobjectwrapper.cpp:706
#17 0x00007f150f55c14d in QV4::Object::put (v=..., name=<optimized out>, this=<optimized out>) at jsruntime/qv4object_p.h:370
#18 QV4::Runtime::method_storeProperty (engine=engine@entry=0x80b5f20, object=..., nameIndex=<optimized out>, value=...) at jsruntime/qv4runtime.cpp:549
#19 0x00007f150f567339 in storePropertyHelper (f=0x8199b80, base=..., name=<optimized out>, value=...) at jit/qv4jit.cpp:368
#20 0x00007f14e0683fad in ?? ()
#21 0x0000000000000000 in ?? ()

Reported using DrKonqi