Bug 357323

Application: plasmashell (5.5.0)

Qt Version: 5.5.1
Operating System: Linux 4.2.8-300.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
Trying to create a shortcut of Firefox, Whenevet I clicked the 'Browse' button for the command (On 'Application' Tab) it crashes.
- Unusual behavior I noticed:

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f879eab2940 (LWP 3427))]

Thread 7 (Thread 0x7f8777fff700 (LWP 3449)):
#0  0x00007f87964a45af in __libc_enable_asynccancel () from /lib64/libc.so.6
#1  0x00007f879648aff2 in poll () from /lib64/libc.so.6
#2  0x00007f87919b316c in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f87919b327c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f87972caf0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f8797271f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f879708e424 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f879b3d8b45 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f87970933ce in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f87957ce60a in start_thread () from /lib64/libpthread.so.0
#10 0x00007f8796496a9d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f876efe6700 (LWP 3450)):
#0  0x00007f879648affd in poll () from /lib64/libc.so.6
#1  0x00007f87919b316c in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f87919b327c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f87972caf0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f8797271f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f879708e424 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f879b3d8b45 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f87970933ce in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f87957ce60a in start_thread () from /lib64/libpthread.so.0
#9  0x00007f8796496a9d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f876d85d700 (LWP 3451)):
#0  0x00007f87972ca1eb in socketNotifierSourcePrepare(_GSource*, int*) () from /lib64/libQt5Core.so.5
#1  0x00007f87919b270d in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f87919b309b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f87919b327c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f87972caf0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f8797271f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f879708e424 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f879b3d8b45 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f87970933ce in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f87957ce60a in start_thread () from /lib64/libpthread.so.0
#10 0x00007f8796496a9d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f8767df7700 (LWP 3452)):
#0  0x00007f87957d3b10 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f879e230514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQt5Script.so.5
#2  0x00007f879e230559 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQt5Script.so.5
#3  0x00007f87957ce60a in start_thread () from /lib64/libpthread.so.0
#4  0x00007f8796496a9d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f86dffff700 (LWP 3456)):
#0  0x00007f879648affd in poll () from /lib64/libc.so.6
#1  0x00007f87919b316c in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f87919b327c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f87972caf0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f8797271f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f879708e424 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f879bf858d6 in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#7  0x00007f87970933ce in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f87957ce60a in start_thread () from /lib64/libpthread.so.0
#9  0x00007f8796496a9d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f86deffe700 (LWP 3461)):
#0  0x00007f8796486bdd in read () from /lib64/libc.so.6
#1  0x00007f87919f6390 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f87919b2c64 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f87919b3110 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007f87919b327c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007f87972caf0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f8797271f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007f879708e424 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f86d4e1a3c7 in KCupsConnection::run() () from /lib64/libkcupslib.so
#9  0x00007f87970933ce in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#10 0x00007f87957ce60a in start_thread () from /lib64/libpthread.so.0
#11 0x00007f8796496a9d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f879eab2940 (LWP 3427)):
[KCrash Handler]
#5  0x00007f8780b1cf08 in QXcbWindow::setParent(QPlatformWindow const*) () from /lib64/libQt5XcbQpa.so.5
#6  0x00007f87977b78bb in QWindow::setParent(QWindow*) () from /lib64/libQt5Gui.so.5
#7  0x00007f87988615d5 in QWidgetPrivate::setParent_sys(QWidget*, QFlags<Qt::WindowType>) () from /lib64/libQt5Widgets.so.5
#8  0x00007f879886cfda in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>) () from /lib64/libQt5Widgets.so.5
#9  0x00007f879886e0cc in QWidget::setParent(QWidget*) () from /lib64/libQt5Widgets.so.5
#10 0x00007f879895411c in QDialogButtonBox::addButton(QAbstractButton*, QDialogButtonBox::ButtonRole) () from /lib64/libQt5Widgets.so.5
#11 0x00007f877dd4bde9 in KDEPlatformFileDialog::KDEPlatformFileDialog() () from /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#12 0x00007f877dd4c212 in KDEPlatformFileDialogHelper::KDEPlatformFileDialogHelper() () from /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#13 0x00007f877dd3f35a in KdePlatformTheme::createPlatformDialogHelper(QPlatformTheme::DialogType) const () from /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#14 0x00007f8798a231b5 in QDialogPrivate::platformHelper() const () from /lib64/libQt5Widgets.so.5
#15 0x00007f8798a36958 in QFileDialogPrivate::init(QUrl const&, QString const&, QString const&) () from /lib64/libQt5Widgets.so.5
#16 0x00007f8798a36c76 in QFileDialog::QFileDialog(QFileDialogArgs const&) () from /lib64/libQt5Widgets.so.5
#17 0x00007f8798a36dce in QFileDialog::getOpenFileUrl(QWidget*, QString const&, QUrl const&, QString const&, QString*, QFlags<QFileDialog::Option>, QStringList const&) () from /lib64/libQt5Widgets.so.5
#18 0x00007f8795ec7dca in KDEPrivate::KDesktopPropsPlugin::slotBrowseExec() () from /lib64/libKF5KIOWidgets.so.5
#19 0x00007f87972a32ea in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#20 0x00007f8798bc39e2 in QAbstractButton::clicked(bool) () from /lib64/libQt5Widgets.so.5
#21 0x00007f8798926524 in QAbstractButtonPrivate::emitClicked() () from /lib64/libQt5Widgets.so.5
#22 0x00007f8798927b39 in QAbstractButtonPrivate::click() () from /lib64/libQt5Widgets.so.5
#23 0x00007f8798927cb4 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#24 0x00007f879886c428 in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#25 0x00007f879882941c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#26 0x00007f879882efe9 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#27 0x00007f879727477b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#28 0x00007f879882def2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /lib64/libQt5Widgets.so.5
#29 0x00007f879888698b in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from /lib64/libQt5Widgets.so.5
#30 0x00007f8798888f4b in QWidgetWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#31 0x00007f879882941c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#32 0x00007f879882e8e6 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#33 0x00007f879727477b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#34 0x00007f87977b0ee1 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib64/libQt5Gui.so.5
#35 0x00007f87977b2bb5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib64/libQt5Gui.so.5
#36 0x00007f8797796958 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#37 0x00007f8780b370a0 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5XcbQpa.so.5
#38 0x00007f87919b2e3a in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#39 0x00007f87919b31d0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#40 0x00007f87919b327c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#41 0x00007f87972caeef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#42 0x00007f8797271f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#43 0x00007f8797279fec in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#44 0x000056434940e8a4 in main ()

Possible duplicates by query: bug 357096, bug 356867, bug 356792, bug 356777, bug 356718.

Reported using DrKonqi