Bug 444232

Application: systemsettings (5.23.80)

Qt Version: 5.15.3
Frameworks Version: 5.88.0
Operating System: Linux 5.11.0-38-generic x86_64
Windowing System: Wayland
Distribution: KDE neon Unstable Edition
DrKonqi: 5.23.80 [CoredumpBackend]

-- Information about the crash:
- What I was doing when the application crashed:
I clicked on 'Graphics' in the sidebar, clicked on ffirst 3 items and when I clicked on 'Wayland', kinfocenter crashed.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Info Center (systemsettings), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[New LWP 9603]
[New LWP 9608]
[New LWP 9609]
[New LWP 9610]
[New LWP 9612]
[New LWP 9668]
[New LWP 9613]
[New LWP 9611]
[New LWP 9605]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/kinfocenter'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI_raise (sig=sig@entry=11) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7f7f507b59c0 (LWP 9603))]
__preamble__

[Current thread is 1 (Thread 0x7f7f507b59c0 (LWP 9603))]

Thread 9 (Thread 0x7f7f4ff1e700 (LWP 9605)):
#0  0x00007f7f55056aff in __GI___poll (fds=0x7f7f48005240, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7f530c836e in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7f7f48005240, timeout=<optimized out>, context=0x7f7f48000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f7f48000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f7f530c84a3 in g_main_context_iteration (context=0x7f7f48000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f7f556265d2 in QEventDispatcherGlib::processEvents (this=0x7f7f48000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f7f555ca87b in QEventLoop::exec (this=this@entry=0x7f7f4ff1dbb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f7f553e4292 in QThread::exec (this=this@entry=0x7f7f547e1d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f7f5475df4b in QDBusConnectionManager::run (this=0x7f7f547e1d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#8  0x00007f7f553e542c in QThreadPrivate::start (arg=0x7f7f547e1d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#9  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f7f3ffff700 (LWP 9611)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fb8b82fd4c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fb8b82fcf8, cond=0x55fb8b82fd20) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fb8b82fd20, mutex=0x55fb8b82fcf8) at pthread_cond_wait.c:647
#3  0x00007f7f4dd49a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f4dd4964b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f7f3caed700 (LWP 9613)):
#0  0x00007f7f55056aff in __GI___poll (fds=0x7f7f28004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7f530c836e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f7f28004a60, timeout=<optimized out>, context=0x7f7f28000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f7f28000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f7f530c84a3 in g_main_context_iteration (context=0x7f7f28000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f7f556265d2 in QEventDispatcherGlib::processEvents (this=0x7f7f28000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f7f555ca87b in QEventLoop::exec (this=this@entry=0x7f7f3caecbc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f7f553e4292 in QThread::exec (this=this@entry=0x55fb8be8fa50) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f7f54063549 in QQmlThreadPrivate::run (this=0x55fb8be8fa50) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f7f553e542c in QThreadPrivate::start (arg=0x55fb8be8fa50) at thread/qthread_unix.cpp:329
#9  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f7f2f616700 (LWP 9668)):
#0  0x00007f7f55056aff in __GI___poll (fds=0x7f7f241eaab0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7f530c836e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f7f241eaab0, timeout=<optimized out>, context=0x7f7f2407e140) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f7f2407e140, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f7f530c84a3 in g_main_context_iteration (context=0x7f7f2407e140, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f7f556265d2 in QEventDispatcherGlib::processEvents (this=0x7f7f2420f650, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f7f555ca87b in QEventLoop::exec (this=this@entry=0x7f7f2f615bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f7f553e4292 in QThread::exec (this=this@entry=0x55fba108d070) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f7f54063549 in QQmlThreadPrivate::run (this=0x55fba108d070) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f7f553e542c in QThreadPrivate::start (arg=0x55fba108d070) at thread/qthread_unix.cpp:329
#9  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f7f3e092700 (LWP 9612)):
#0  0x00007f7f55056aff in __GI___poll (fds=0x7f7f34004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7f530c836e in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f7f34004e60, timeout=<optimized out>, context=0x7f7f34000c20) at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context@entry=0x7f7f34000c20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4042
#3  0x00007f7f530c84a3 in g_main_context_iteration (context=0x7f7f34000c20, may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f7f556265d2 in QEventDispatcherGlib::processEvents (this=0x7f7f34000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f7f555ca87b in QEventLoop::exec (this=this@entry=0x7f7f3e091bc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f7f553e4292 in QThread::exec (this=this@entry=0x55fb8baab4f0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f7f54063549 in QQmlThreadPrivate::run (this=0x55fb8baab4f0) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f7f553e542c in QThreadPrivate::start (arg=0x55fb8baab4f0) at thread/qthread_unix.cpp:329
#9  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f7f4c9da700 (LWP 9610)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fb8b82fd4c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fb8b82fcf8, cond=0x55fb8b82fd20) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fb8b82fd20, mutex=0x55fb8b82fcf8) at pthread_cond_wait.c:647
#3  0x00007f7f4dd49a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f4dd4964b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f7f4d1db700 (LWP 9609)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fb8b82fd48) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fb8b82fcf8, cond=0x55fb8b82fd20) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fb8b82fd20, mutex=0x55fb8b82fcf8) at pthread_cond_wait.c:647
#3  0x00007f7f4dd49a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f4dd4964b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f7f4d9dc700 (LWP 9608)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55fb8b82fd48) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fb8b82fcf8, cond=0x55fb8b82fd20) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55fb8b82fd20, mutex=0x55fb8b82fcf8) at pthread_cond_wait.c:647
#3  0x00007f7f4dd49a4b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f7f4dd4964b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f7f53a87609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f7f55063293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f7f507b59c0 (LWP 9603)):
[KCrash Handler]
#3  std::__atomic_base<QObjectPrivate::ConnectionData*>::load (__m=std::memory_order_relaxed, this=0x40) at /usr/include/c++/9/bits/atomic_base.h:734
#4  std::atomic<QObjectPrivate::ConnectionData*>::load (__m=std::memory_order_relaxed, this=0x40) at /usr/include/c++/9/atomic:519
#5  QAtomicOps<QObjectPrivate::ConnectionData*>::loadRelaxed<QObjectPrivate::ConnectionData*> (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239
#6  QBasicAtomicPointer<QObjectPrivate::ConnectionData>::loadRelaxed (this=0x40) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:248
#7  QObjectPrivate::ensureConnectionData (this=0x0) at kernel/qobject_p.h:371
#8  QObjectPrivate::addConnection (this=0x0, signal=signal@entry=3, c=c@entry=0x55fb8e7a9980) at kernel/qobject.cpp:324
#9  0x00007f7f555f829a in QObjectPrivate::connectImpl (sender=0x55fb92f56b70, signal_index=3, receiver=0x55fb9ce15af0, slot=<optimized out>, slotObj=<optimized out>, type=<optimized out>, types=<optimized out>, senderMetaObject=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:132
#10 0x00007f7f555f8735 in QObject::connectImpl (sender=sender@entry=0x55fb92f56b70, signal=signal@entry=0x7ffd1e4e0490, receiver=receiver@entry=0x55fb9ce15af0, slot=slot@entry=0x0, slotObj=0x55fb8e7a9960, type=Qt::AutoConnection, types=0x0, senderMetaObject=<optimized out>) at kernel/qobject.cpp:5001
#11 0x00007f7f3cdd3fe8 in QObject::connect<void (QmlComponentsPool::*)(), ColumnView::classBegin()::<lambda()> > (type=Qt::AutoConnection, slot=..., context=0x55fb9ce15af0, signal=(void (QmlComponentsPool::*)(class QmlComponentsPool * const)) 0x7f7f3cdb3650 <QmlComponentsPool::gridUnitChanged()>, sender=0x55fb92f56b70) at /usr/include/c++/9/bits/move.h:99
#12 ColumnView::classBegin (this=0x55fb9ce15af0) at ./src/columnview.cpp:1570
#13 0x00007f7f54036481 in QQmlObjectCreator::createInstance (this=0x7ffd1e4e1290, index=42, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1291
#14 0x00007f7f54033ec4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffd1e4e1290, bindingProperty=0x7f7f340a4618, binding=0x7f7f2c316cb0) at qml/qqmlobjectcreator.cpp:847
#15 0x00007f7f5403428f in QQmlObjectCreator::setupBindings (this=0x7ffd1e4e1290, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#16 0x00007f7f5403561e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffd1e4e1290, index=0, index@entry=39, instance=0x55fb92ad8920, bindingTarget=0x55fb92ad8920, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#17 0x00007f7f54036802 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#18 0x00007f7f54033ec4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffd1e4e1290, bindingProperty=0x7f7f340a4618, binding=0x7f7f2c3154ec) at qml/qqmlobjectcreator.cpp:847
#19 0x00007f7f5403428f in QQmlObjectCreator::setupBindings (this=0x7ffd1e4e1290, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#20 0x00007f7f5403561e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffd1e4e1290, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#21 0x00007f7f54036802 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#22 0x00007f7f54037896 in QQmlObjectCreator::create (this=this@entry=0x7ffd1e4e1290, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#23 0x00007f7f54036323 in QQmlObjectCreator::createInstance (this=0x7ffd1e4e1a60, index=2, parent=0x55fb8e7c9540, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#24 0x00007f7f54033ec4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffd1e4e1a60, bindingProperty=0x7f7f241b2468, binding=0x7f7f2c160a8c) at qml/qqmlobjectcreator.cpp:847
#25 0x00007f7f5403428f in QQmlObjectCreator::setupBindings (this=0x7ffd1e4e1a60, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#26 0x00007f7f5403561e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffd1e4e1a60, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#27 0x00007f7f54036802 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#28 0x00007f7f54037896 in QQmlObjectCreator::create (this=this@entry=0x7ffd1e4e1a60, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#29 0x00007f7f54036323 in QQmlObjectCreator::createInstance (this=0x55fb9a043f00, index=0, parent=0x0, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#30 0x00007f7f54037896 in QQmlObjectCreator::create (this=0x55fb9a043f00, subComponentIndex=<optimized out>, parent=<optimized out>, interrupt=<optimized out>, flags=<optimized out>) at qml/qqmlobjectcreator.cpp:204
#31 0x00007f7f53fad512 in QQmlComponentPrivate::beginCreate(QQmlContextData*) () at qml/qqmlcomponent.cpp:934
#32 0x00007f7f53fabc00 in QQmlComponentPrivate::doBeginCreate(QQmlComponent*, QQmlContext*) () at qml/qqmlcomponent.cpp:371
#33 0x00007f7f53fabc5e in QQmlComponent::create (this=0x55fb93077910, context=<optimized out>) at qml/qqmlcomponent.cpp:818
#34 0x00007f7f54f06268 in KCModuleQml::KCModuleQml (this=0x55fba0fbbf20, configModule=..., parent=<optimized out>, args=...) at ./src/kcmoduleqml.cpp:171
#35 0x00007f7f54efedf1 in KCModuleLoader::loadModule (metaData=..., parent=0x55fb95def6b0, args=...) at /usr/include/c++/9/bits/move.h:74
#36 0x00007f7f54f0cb6e in KCModuleProxyPrivate::loadModule (this=this@entry=0x55fb99fdf4e0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:340
#37 0x00007f7f54f0d2e8 in KCModuleProxy::realModule (this=this@entry=0x55fb95def6b0) at ./src/kcmoduleproxy.cpp:59
#38 0x00007f7f56c539ac in ModuleView::updatePageIconHeader (this=this@entry=0x55fb8ba96ee0, page=page@entry=0x55fb8e7952f0, light=light@entry=true) at ./core/ModuleView.cpp:283
#39 0x00007f7f56c55508 in ModuleView::addModule (this=this@entry=0x55fb8ba96ee0, item=item@entry=0x55fb8ba63740, args=...) at ./core/ModuleView.cpp:260
#40 0x00007f7f56c55a8e in ModuleView::loadModule (this=0x55fb8ba96ee0, menuItem=..., args=...) at ./core/ModuleView.cpp:218
#41 0x00007f7f3e1adf8d in SidebarMode::loadModule (this=0x55fb8ba90980, activeModule=..., args=...) at ./sidebar/SidebarMode.cpp:490
#42 0x00007f7f3e1abc96 in SidebarMode::qt_static_metacall (_o=_o@entry=0x55fb8ba90980, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=20, _a=_a@entry=0x7ffd1e4e2530) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:160
#43 0x00007f7f3e1ac293 in SidebarMode::qt_metacall (this=0x55fb8ba90980, _c=QMetaObject::InvokeMetaMethod, _id=20, _a=0x7ffd1e4e2530) at ./obj-x86_64-linux-gnu/sidebar/systemsettings_sidebar_mode_autogen/EWIEGA46WW/moc_SidebarMode.cpp:661
#44 0x00007f7f53ff6bf5 in QQmlObjectOrGadget::metacall (this=0x7ffd1e4e2870, type=QMetaObject::InvokeMetaMethod, index=<optimized out>, argv=<optimized out>) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#45 0x00007f7f53ebf765 in CallMethod (object=..., index=<optimized out>, returnType=<optimized out>, argCount=<optimized out>, argTypes=<optimized out>, engine=<optimized out>, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#46 0x00007f7f53ec1867 in CallPrecise (object=..., data=..., engine=0x55fb8bac2b10, callArgs=0x7f7f3d4535b0, callType=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#47 0x00007f7f53ec2a4f in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at jsruntime/qv4qobjectwrapper.cpp:1645
#48 0x00007f7f53ef291b in QV4::Runtime::CallPropertyLookup::call(QV4::ExecutionEngine*, QV4::Value const&, unsigned int, QV4::Value*, int) () at jsruntime/qv4functionobject_p.h:172
#49 0x00007f7f2e841e47 in ?? ()
#50 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 443421, bug 432564, bug 432196, bug 429027, bug 428170.

Reported using DrKonqi