Bug 356588

Application: kwrite (15.08.1)

Qt Version: 5.5.1
Operating System: Linux 4.2.6-301.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
I pasted a text in a blank document and then selected " save as" after that it crashes

The crash can be reproduced every time.

-- Backtrace:
Application: KWrite (kwrite), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6970cf2900 (LWP 8604))]

Thread 2 (Thread 0x7f69502c6700 (LWP 8605)):
#0  0x00007f6969b0dffd in poll () at /lib64/libc.so.6
#1  0x00007f69620b3272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f69620b4ee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f695380eda9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f696a7163ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f696786760a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f6969b19a9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f6970cf2900 (LWP 8604)):
[KCrash Handler]
#5  0x00007f6953825f08 in QXcbWindow::setParent(QPlatformWindow const*) () at /lib64/libQt5XcbQpa.so.5
#6  0x00007f696b4fd8bb in QWindow::setParent(QWindow*) () at /lib64/libQt5Gui.so.5
#7  0x00007f696bcd85d5 in QWidgetPrivate::setParent_sys(QWidget*, QFlags<Qt::WindowType>) () at /lib64/libQt5Widgets.so.5
#8  0x00007f696bce3fda in QWidget::setParent(QWidget*, QFlags<Qt::WindowType>) () at /lib64/libQt5Widgets.so.5
#9  0x00007f696bce50cc in QWidget::setParent(QWidget*) () at /lib64/libQt5Widgets.so.5
#10 0x00007f696bdcb11c in QDialogButtonBox::addButton(QAbstractButton*, QDialogButtonBox::ButtonRole) () at /lib64/libQt5Widgets.so.5
#11 0x00007f694f27de59 in KDEPlatformFileDialog::KDEPlatformFileDialog() () at /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#12 0x00007f694f27e282 in KDEPlatformFileDialogHelper::KDEPlatformFileDialogHelper() () at /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#13 0x00007f694f2712fa in KdePlatformTheme::createPlatformDialogHelper(QPlatformTheme::DialogType) const () at /usr/lib64/qt5/plugins/platformthemes/KDEPlatformTheme.so
#14 0x00007f696be9a1b5 in QDialogPrivate::platformHelper() const () at /lib64/libQt5Widgets.so.5
#15 0x00007f696bead958 in QFileDialogPrivate::init(QUrl const&, QString const&, QString const&) () at /lib64/libQt5Widgets.so.5
#16 0x00007f696beadc76 in QFileDialog::QFileDialog(QFileDialogArgs const&) () at /lib64/libQt5Widgets.so.5
#17 0x00007f696beae74e in QFileDialog::getSaveFileUrl(QWidget*, QString const&, QUrl const&, QString const&, QString*, QFlags<QFileDialog::Option>, QStringList const&) () at /lib64/libQt5Widgets.so.5
#18 0x00007f6970422ae3 in KTextEditor::DocumentPrivate::documentSaveAs() () at /lib64/libKF5TextEditor.so.5
#19 0x00007f69705ddc5e in KTextEditor::DocumentPrivate::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libKF5TextEditor.so.5
#20 0x00007f696a9262ea in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#21 0x00007f696bc967d2 in QAction::triggered(bool) () at /lib64/libQt5Widgets.so.5
#22 0x00007f696bc98c58 in QAction::activate(QAction::ActionEvent) () at /lib64/libQt5Widgets.so.5
#23 0x00007f696be1b562 in QMenuPrivate::activateCausedStack(QList<QPointer<QWidget> > const&, QAction*, QAction::ActionEvent, bool) () at /lib64/libQt5Widgets.so.5
#24 0x00007f696be2182c in QMenuPrivate::activateAction(QAction*, QAction::ActionEvent, bool) () at /lib64/libQt5Widgets.so.5
#25 0x00007f696be25730 in QMenu::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5
#26 0x00007f696bce3428 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#27 0x00007f696be26173 in QMenu::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#28 0x00007f696bca041c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#29 0x00007f696bca5fe9 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#30 0x00007f696a8f777b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#31 0x00007f696bca4ef2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /lib64/libQt5Widgets.so.5
#32 0x00007f696bcfdced in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5
#33 0x00007f696bcfff4b in QWidgetWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#34 0x00007f696bca041c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#35 0x00007f696bca58e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#36 0x00007f696a8f777b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#37 0x00007f696b4f6ee1 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5
#38 0x00007f696b4f8bb5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5
#39 0x00007f696b4dc958 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5
#40 0x00007f69538400a0 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5
#41 0x00007f696628de3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#42 0x00007f696628e1d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#43 0x00007f696628e27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#44 0x00007f696a94deef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#45 0x00007f696a8f4f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#46 0x00007f696a8fcfec in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#47 0x00007f69709d8465 in kdemain () at /lib64/libkdeinit5_kwrite.so
#48 0x00007f6969a37580 in __libc_start_main () at /lib64/libc.so.6
#49 0x0000560a46966b19 in _start ()

Possible duplicates by query: bug 356583, bug 356539.

Reported using DrKonqi