Bug 423027

Application: dolphin (20.04.2)

Qt Version: 5.15.0
Frameworks Version: 5.71.0
Operating System: Linux 5.6.15-arch1-1 x86_64
Windowing system: Wayland
Distribution: Arch Linux

-- Information about the crash:
- What I was doing when the application crashed:
I installed getMediaInfo Service from KDE Store via Services section of Dolphin settings.
Then I clicked on "OK" button to close Dolphin settings, reopened it, clicked in "Services" section, clicked on "Download new services..."
button, selected "Installed" radio button and Dolphin crashed.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault

[KCrash Handler]
#4  0x00005556ae3dc740 in ?? ()
#5  0x00007f75e55df40a in QObjectPrivate::connectImpl (sender=0x5556ad62a500, signal_index=3, receiver=0x5556ad774280, slot=<optimized out>, slotObj=<optimized out>, type=<optimized out>, types=<optimized out>, senderMetaObject=<optimized out>) at /usr/include/c++/10.1.0/bits/stl_function.h:433
#6  0x00007f75e55df786 in QObject::connectImpl (sender=sender@entry=0x5556ad62a500, signal=signal@entry=0x7fff36f16a40, receiver=receiver@entry=0x5556ad774280, slot=slot@entry=0x7fff36f16a50, slotObj=0x5556ad7c7420, type=Qt::AutoConnection, types=0x0, senderMetaObject=<optimized out>) at kernel/qobject.cpp:5001
#7  0x00007f75e4e9a105 in QObject::connect<void (KNSCore::XmlLoader::*)(QDomDocument const&), void (KNSCore::Engine::*)(QDomDocument const&)> (type=Qt::AutoConnection, slot=(void (KNSCore::Engine::*)(class KNSCore::Engine * const, const class QDomDocument &)) 0x7f75e4e98260 <KNSCore::Engine::slotProviderFileLoaded(QDomDocument const&)>, receiver=0x5556ad774280, signal=(void (KNSCore::XmlLoader::*)(class KNSCore::XmlLoader * const, const class QDomDocument &)) 0x7f75e4e858d0 <KNSCore::XmlLoader::signalLoaded(QDomDocument const&)>, sender=0x5556ad62a500) at /usr/include/c++/10.1.0/bits/atomic_base.h:286
#8  KNSCore::Engine::loadProviders (this=0x5556ad774280) at /usr/src/debug/knewstuff-5.71.0/src/core/engine.cpp:240
#9  0x00007f75e4e9d6d9 in KNSCore::Engine::init (this=0x5556ad774280, configfile=...) at /usr/src/debug/knewstuff-5.71.0/src/core/engine.cpp:192
#10 0x00007f75e71a2651 in KNS3::DownloadWidgetPrivate::init (this=0x5556adff6a20, configFile=...) at /usr/src/debug/knewstuff-5.71.0/src/downloadwidget.cpp:259
#11 0x00007f75e71a30ad in KNS3::DownloadWidget::init (this=<optimized out>, configFile=...) at /usr/src/debug/knewstuff-5.71.0/src/downloadwidget.cpp:62
#12 0x00007f75e71a04fc in KNS3::DownloadDialog::init (this=0x5556ad5fb910, configFile=...) at /usr/src/debug/knewstuff-5.71.0/src/downloaddialog.cpp:82
#13 0x00007f75e71a8e21 in KNS3::Button::showDialog (this=0x5556ad608700) at /usr/src/debug/knewstuff-5.71.0/src/button.cpp:92
#14 0x00007f75e55e8906 in QtPrivate::QSlotObjectBase::call (a=0x7fff36f16e70, r=0x5556ad608700, this=0x5556ad070b70) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#15 doActivate<false> (sender=0x5556ad608700, signal_index=9, argv=argv@entry=0x7fff36f16e70) at kernel/qobject.cpp:3886
#16 0x00007f75e55e1aa0 in QMetaObject::activate (sender=sender@entry=0x5556ad608700, m=m@entry=0x7f75e6652060 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff36f16e70) at kernel/qobject.cpp:3946
#17 0x00007f75e6234b73 in QAbstractButton::clicked (this=this@entry=0x5556ad608700, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#18 0x00007f75e62354fc in QAbstractButtonPrivate::emitClicked (this=this@entry=0x5556ad070940) at widgets/qabstractbutton.cpp:415
#19 0x00007f75e6236ea3 in QAbstractButtonPrivate::click (this=this@entry=0x5556ad070940) at widgets/qabstractbutton.cpp:408
#20 0x00007f75e6237083 in QAbstractButton::mouseReleaseEvent (this=0x5556ad608700, e=0x7fff36f17440) at widgets/qabstractbutton.cpp:1044
#21 0x00007f75e6184c6e in QWidget::event (this=0x5556ad608700, event=0x7fff36f17440) at kernel/qwidget.cpp:9027
#22 0x00007f75e61436f2 in QApplicationPrivate::notify_helper (this=this@entry=0x5556aca67870, receiver=receiver@entry=0x5556ad608700, e=e@entry=0x7fff36f17440) at kernel/qapplication.cpp:3671
#23 0x00007f75e614a967 in QApplication::notify (this=0x7fff36f17140, receiver=0x5556ad608700, e=0x7fff36f17440) at kernel/qapplication.cpp:3115
#24 0x00007f75e55b169a in QCoreApplication::notifyInternal2 (receiver=0x5556ad608700, event=0x7fff36f17440) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#25 0x00007f75e614984e in QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x5556ad608700, event=event@entry=0x7fff36f17440, alienWidget=alienWidget@entry=0x5556ad608700, nativeWidget=0x5556acadd840, buttonDown=buttonDown@entry=0x7f75e667c350 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2603
#26 0x00007f75e619d3a2 in QWidgetWindow::handleMouseEvent (this=0x5556ad8b0b40, event=0x7fff36f17700) at /usr/include/c++/10.1.0/bits/atomic_base.h:420
#27 0x00007f75e61a077f in QWidgetWindow::event (this=0x5556ad8b0b40, event=0x7fff36f17700) at kernel/qwidgetwindow.cpp:295
#28 0x00007f75e61436f2 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x5556ad8b0b40, e=0x7fff36f17700) at kernel/qapplication.cpp:3671
#29 0x00007f75e55b169a in QCoreApplication::notifyInternal2 (receiver=0x5556ad8b0b40, event=0x7fff36f17700) at ../../include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#30 0x00007f75e5a4af1c in QGuiApplicationPrivate::processMouseEvent (e=0x5556ad7fda30) at kernel/qguiapplication.cpp:2214
#31 0x00007f75e5a206ec in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:1175
#32 0x00007f75e06ff081 in userEventSourceDispatch (source=<optimized out>) at qeventdispatcher_glib.cpp:74
#33 0x00007f75e193543c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x00007f75e1982fa9 in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x00007f75e1934221 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x00007f75e560a211 in QEventDispatcherGlib::processEvents (this=0x5556aca9ddd0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#37 0x00007f75e55b001c in QEventLoop::exec (this=this@entry=0x7fff36f17a30, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#38 0x00007f75e55b84a4 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#39 0x00007f75e5a3e38e in QGuiApplication::exec () at kernel/qguiapplication.cpp:1867
#40 0x00007f75e6143666 in QApplication::exec () at kernel/qapplication.cpp:2811
#41 0x00007f75e763ebe1 in kdemain (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/dolphin-20.04.2/src/main.cpp:189
#42 0x00007f75e745c002 in __libc_start_main () from /usr/lib/libc.so.6
#43 0x00005556aad9405e in _start ()
[Inferior 1 (process 35333) detached]

Possible duplicates by query: bug 422533, bug 408262, bug 399438, bug 393390.

Reported using DrKonqi