Bug 397327

Application: ktorrent (5.1.0)

Qt Version: 5.9.4
Frameworks Version: 5.45.0
Operating System: Linux 4.12.14-lp150.12.10-default x86_64
Distribution: "openSUSE Leap 15.0"

-- Information about the crash:
- What I was doing when the application crashed:
I closed the program.  When you go to file > quit, the application crashes, every time.

The crash can be reproduced every time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0f64218900 (LWP 18038))]

Thread 3 (Thread 0x7f0f4582b700 (LWP 18044)):
#0  0x00007f0f5798c638 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f0f5798d03b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0f5798d21c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0f5f23cc0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0f5f1e509a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0f5f0144da in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0f5f0190ce in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f0f5a290559 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f0f5e3b682f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f0f4723d700 (LWP 18042)):
#0  0x00007f0f5e3ac08b in poll () at /lib64/libc.so.6
#1  0x00007f0f5798d109 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f0f5798d21c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f0f5f23cc0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f0f5f1e509a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f0f5f0144da in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f0f6065d985 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f0f5f0190ce in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f0f5a290559 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f0f5e3b682f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0f64218900 (LWP 18038)):
[KCrash Handler]
#6  0x00007f0f5f2255ad in QVariant::QVariant(QString const&) () at /usr/lib64/libQt5Core.so.5
#7  0x0000562f841c30fc in  ()
#8  0x0000562f841c4f6d in  ()
#9  0x00007f0f601cbb16 in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () at /usr/lib64/libQt5Widgets.so.5
#10 0x00007f0f601cb079 in QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () at /usr/lib64/libQt5Widgets.so.5
#11 0x0000562f841c8a64 in  ()
#12 0x00007f0f6020b75a in QTreeView::indexRowSizeHint(QModelIndex const&) const () at /usr/lib64/libQt5Widgets.so.5
#13 0x00007f0f6020c0ae in QTreeViewPrivate::layout(int, bool, bool) () at /usr/lib64/libQt5Widgets.so.5
#14 0x00007f0f60213b1a in QTreeView::doItemsLayout() () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f0f6020e5b5 in QTreeViewPrivate::updateScrollBars() () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f0f60215548 in QTreeView::updateGeometries() () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f0f601aa1d9 in  () at /usr/lib64/libQt5Widgets.so.5
#18 0x00007f0f5f21404a in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f0f601bf291 in QHeaderView::viewportEvent(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007f0f5f1e6794 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#21 0x00007f0f5ff76e65 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007f0f5ff7e244 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f0f5f1e6a88 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f0f5ffae332 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#26 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#29 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#30 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#31 0x00007f0f5ffae31a in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#32 0x00007f0f5ffae5d4 in QWidgetPrivate::hide_helper() () at /usr/lib64/libQt5Widgets.so.5
#33 0x00007f0f5ffb2a60 in QWidget::setVisible(bool) () at /usr/lib64/libQt5Widgets.so.5
#34 0x00007f0f5ffae888 in QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) () at /usr/lib64/libQt5Widgets.so.5
#35 0x00007f0f5ffaeea0 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5
#36 0x00007f0f62b9a55d in KMainWindow::~KMainWindow() () at /usr/lib64/libKF5XmlGui.so.5
#37 0x0000562f841516f7 in  ()
#38 0x0000562f84140d02 in  ()
#39 0x00007f0f5e2def4a in __libc_start_main () at /lib64/libc.so.6
#40 0x0000562f841416da in _start ()

Reported using DrKonqi