Bug 364782

Application: krunner (5.6.5)

Qt Version: 5.6.1
Frameworks Version: 5.23.0
Operating System: Linux 4.5.7-1-CHAKRA x86_64
Distribution: "Chakra"

-- Information about the crash:
(wouldn't let me attach to 344643)
- What I was doing when the application crashed:
Freshly booted system, no app opend yet, started typing on desktop (so krunner would open) , as soon as it opend -> crash

The crash can be reproduced every time.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2c2599c800 (LWP 1111))]

Thread 4 (Thread 0x7f2c23b9f700 (LWP 1112)):
#0  0x00007f2c34aae18d in poll () from /usr/lib/libc.so.6
#1  0x00007f2c33f9dae2 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f2c33f9f757 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f2c256c6de9 in QXcbEventReader::run (this=0xa867d0) at qxcbconnection.cpp:1325
#4  0x00007f2c351a1c08 in QThreadPrivate::start (arg=0xa867d0) at thread/qthread_unix.cpp:341
#5  0x00007f2c32ab8464 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f2c34ab712d in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f2c22087700 (LWP 1113)):
#0  0x00007f2c34aae18d in poll () from /usr/lib/libc.so.6
#1  0x00007f2c309df1e5 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2c309df322 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2c353cbe5b in QEventDispatcherGlib::processEvents (this=0x7f2c140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f2c3537484a in QEventLoop::exec (this=this@entry=0x7f2c22086d90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f2c3519cdf4 in QThread::exec (this=this@entry=0x7f2c3845fd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#6  0x00007f2c383eb665 in QDBusConnectionManager::run (this=0x7f2c3845fd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:189
#7  0x00007f2c351a1c08 in QThreadPrivate::start (arg=0x7f2c3845fd40 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:341
#8  0x00007f2c32ab8464 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f2c34ab712d in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f2c1b5ef700 (LWP 1114)):
#0  0x00007f2c34aae18d in poll () from /usr/lib/libc.so.6
#1  0x00007f2c309df1e5 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2c309df322 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2c353cbe5b in QEventDispatcherGlib::processEvents (this=0x7f2c100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#4  0x00007f2c3537484a in QEventLoop::exec (this=this@entry=0x7f2c1b5eeda0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f2c3519cdf4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:500
#6  0x00007f2c3724c145 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f2c351a1c08 in QThreadPrivate::start (arg=0xd23020) at thread/qthread_unix.cpp:341
#8  0x00007f2c32ab8464 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f2c34ab712d in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f2c2599c800 (LWP 1111)):
[KCrash Handler]
#6  0x00007f2c34a4f0ca in strlen () from /usr/lib/libc.so.6
#7  0x00007f2c34a4edfe in strdup () from /usr/lib/libc.so.6
#8  0x00007f2c0ba46a3d in Calculator::Calculator() () from /usr/lib/libqalculate.so.5
#9  0x00007f2c0bdc6c3d in QalculateEngine::QalculateEngine (this=0x10fbcf0, parent=<optimized out>) at /chakra/core/plasma-workspace/src/plasma-workspace-5.6.5/runners/calculator/qalculate_engine.cpp:46
#10 0x00007f2c0bdc7f49 in CalculatorRunner::CalculatorRunner (this=0x10fc180, parent=<optimized out>, args=...) at /chakra/core/plasma-workspace/src/plasma-workspace-5.6.5/runners/calculator/calculatorrunner.cpp:44
#11 0x00007f2c0bdc9a58 in KPluginFactory::createInstance<CalculatorRunner, QObject> (parentWidget=<optimized out>, parent=<optimized out>, args=...) at /usr/include/KF5/KCoreAddons/kpluginfactory.h:477
#12 0x00007f2c35b9568c in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libKF5CoreAddons.so.5
#13 0x00007f2c18ceae7d in KPluginFactory::create<Plasma::AbstractRunner> (args=..., keyword=..., parent=0xd08890, parentWidget=0x0, this=0x10fc2d0) at /usr/include/KF5/KCoreAddons/kpluginfactory.h:519
#14 KService::createInstance<Plasma::AbstractRunner> (error=<synthetic pointer>, args=..., parent=0xd08890, parentWidget=0x0, this=0x10596e0) at /usr/include/KF5/KService/kservice.h:526
#15 KService::createInstance<Plasma::AbstractRunner> (error=<synthetic pointer>, args=..., parent=0xd08890, this=<optimized out>) at /usr/include/KF5/KService/kservice.h:501
#16 Plasma::RunnerManagerPrivate::loadInstalledRunner (this=this@entry=0xd08930, service=...) at /chakra/core/krunner/src/krunner-5.23.0/src/runnermanager.cpp:308
#17 0x00007f2c18cec80a in Plasma::RunnerManagerPrivate::loadRunners (this=0xd08930) at /chakra/core/krunner/src/krunner-5.23.0/src/runnermanager.cpp:214
#18 0x00007f2c18ce7ab6 in Plasma::RunnerManager::launchQuery (this=0xd08890, untrimmedTerm=..., runnerName=...) at /chakra/core/krunner/src/krunner-5.23.0/src/runnermanager.cpp:789
#19 0x00007f2c18f0184e in Milou::SourcesModel::setQueryString (this=this@entry=0xd6c970, str=...) at /chakra/core/milou/src/milou-5.6.5/lib/sourcesmodel.cpp:224
#20 0x00007f2c18f074ad in Milou::SourcesModel::qt_static_metacall (_o=_o@entry=0xd6c970, _c=_c@entry=QMetaObject::WriteProperty, _id=_id@entry=0, _a=_a@entry=0x7ffeb174d6d0) at /chakra/core/milou/src/build/lib/moc_sourcesmodel.cpp:203
#21 0x00007f2c18f07b6b in Milou::SourcesModel::qt_metacall (this=0xd6c970, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffeb174d6d0) at /chakra/core/milou/src/build/lib/moc_sourcesmodel.cpp:249
#22 0x00007f2c37237b4c in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/libQt5Qml.so.5
#23 0x00007f2c37238faa in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/libQt5Qml.so.5
#24 0x00007f2c372393fe in QQmlBinding::refresh() () from /usr/lib/libQt5Qml.so.5
#25 0x00007f2c372104de in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/libQt5Qml.so.5
#26 0x00007f2c371bb3ac in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/libQt5Qml.so.5
#27 0x00007f2c353a2410 in QMetaObject::activate (sender=0xc98780, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3616
#28 0x00007f2c371b7089 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQt5Qml.so.5
#29 0x00007f2c353847c0 in QMetaProperty::write (this=this@entry=0x7ffeb174f4d0, object=object@entry=0xc98780, value=...) at kernel/qmetaobject.cpp:3104
#30 0x00007f2c353aafcf in QObject::setProperty (this=0xc98780, name=name@entry=0x40aa80 "query", value=...) at kernel/qobject.cpp:3877
#31 0x0000000000407851 in View::query (this=0x7ffeb1750180, term=...) at /chakra/core/plasma-workspace/src/plasma-workspace-5.6.5/krunner/view.cpp:371
#32 0x000000000040a6b9 in AppAdaptor::query (term=..., this=0xae25c0) at /chakra/core/plasma-workspace/src/build/krunner/appadaptor.cpp:57
#33 AppAdaptor::qt_static_metacall (_o=_o@entry=0xae25c0, _id=_id@entry=3, _a=_a@entry=0x7ffeb174f6b0, _c=QMetaObject::InvokeMetaMethod) at /chakra/core/plasma-workspace/src/build/krunner/appadaptor.moc:110
#34 0x000000000040a803 in AppAdaptor::qt_static_metacall (_a=0x7ffeb174f6b0, _id=3, _c=QMetaObject::InvokeMetaMethod, _o=0xae25c0) at /chakra/core/plasma-workspace/src/build/krunner/appadaptor.moc:143
#35 AppAdaptor::qt_metacall (this=0xae25c0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7ffeb174f6b0) at /chakra/core/plasma-workspace/src/build/krunner/appadaptor.moc:144
#36 0x00007f2c383f7163 in QDBusConnectionPrivate::deliverCall (this=this@entry=0x7f2c140030f0, object=object@entry=0xae25c0, msg=..., metaTypes=..., slotIdx=<optimized out>) at qdbusintegrator.cpp:978
#37 0x00007f2c383fae61 in QDBusConnectionPrivate::activateCall (this=this@entry=0x7f2c140030f0, object=0xae25c0, flags=flags@entry=273, msg=...) at qdbusintegrator.cpp:881
#38 0x00007f2c383fb80b in QDBusConnectionPrivate::activateObject (this=0x7f2c140030f0, node=..., msg=..., pathStartPos=<optimized out>) at qdbusintegrator.cpp:1470
#39 0x00007f2c383fdffe in QDBusActivateObjectEvent::placeMetaCall (this=0x7f2c14014d70) at qdbusintegrator.cpp:1592
#40 0x00007f2c353a3819 in QObject::event (this=this@entry=0x7ffeb1750180, e=<optimized out>) at kernel/qobject.cpp:1256
#41 0x00007f2c356d03b8 in QWindow::event (this=0x7ffeb1750180, ev=<optimized out>) at kernel/qwindow.cpp:2124
#42 0x00007f2c37524335 in QQuickWindow::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#43 0x00007f2c380567d3 in PlasmaQuick::Dialog::event(QEvent*) () from /usr/lib/libKF5PlasmaQuick.so.5
#44 0x0000000000409815 in View::event (this=0x7ffeb1750180, event=0x7f2c14014d70) at /chakra/core/plasma-workspace/src/plasma-workspace-5.6.5/krunner/view.cpp:224
#45 0x00007f2c35f400ac in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7ffeb1750180, e=0x7f2c14014d70) at kernel/qapplication.cpp:3804
#46 0x00007f2c35f45606 in QApplication::notify (this=0x7ffeb1750110, receiver=0x7ffeb1750180, e=0x7f2c14014d70) at kernel/qapplication.cpp:3561
#47 0x00007f2c35376698 in QCoreApplication::notifyInternal2 (receiver=0x7ffeb1750180, event=event@entry=0x7f2c14014d70) at kernel/qcoreapplication.cpp:1015
#48 0x00007f2c3537855a in QCoreApplication::sendEvent (event=0x7f2c14014d70, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:225
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xa79f10) at kernel/qcoreapplication.cpp:1650
#50 0x00007f2c35378a18 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1508
#51 0x00007f2c353cba33 in postEventSourceDispatch (s=0xabaa80) at kernel/qeventdispatcher_glib.cpp:270
#52 0x00007f2c309defba in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#53 0x00007f2c309df248 in ?? () from /usr/lib/libglib-2.0.so.0
#54 0x00007f2c309df322 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#55 0x00007f2c353cbe3f in QEventDispatcherGlib::processEvents (this=0xab0a10, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#56 0x00007f2c3537484a in QEventLoop::exec (this=this@entry=0x7ffeb1750040, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#57 0x00007f2c3537ccdc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1285
#58 0x00007f2c356bbc8c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1607
#59 0x00007f2c35f3d095 in QApplication::exec () at kernel/qapplication.cpp:2979
#60 0x0000000000406efe in main (argc=1, argv=<optimized out>) at /chakra/core/plasma-workspace/src/plasma-workspace-5.6.5/krunner/main.cpp:83

Possible duplicates by query: bug 344643.

Reported using DrKonqi