Bug 386387

Application: ktorrent (5.1.0)

Qt Version: 5.9.2
Frameworks Version: 5.39.0
Operating System: Linux 4.13.11-pf x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I closed application with Ctrl+Q command
It crashed. Nothing else abnormal was observed prior to crash.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f07491110c0 (LWP 1002))]

Thread 3 (Thread 0x7f072a147700 (LWP 1029)):
#0  0x00007f073c44a664 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f073c422ec8 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f073c422fae in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f07440f8cf4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f074409c48b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0743eb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f0743eb9fcb in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f073eaba08a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f074326324f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f072bb59700 (LWP 1008)):
#0  0x00007f07432703df in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f0743258d36 in poll () at /usr/lib/libc.so.6
#2  0x00007f073c422ed3 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f073c422fae in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f07440f8cf4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f074409c48b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0743eb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f07454d3376 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f0743eb9fcb in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f073eaba08a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f074326324f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f07491110c0 (LWP 1002)):
[KCrash Handler]
#5  0x00007f07440e008d in QVariant::QVariant(QString const&) () at /usr/lib/libQt5Core.so.5
#6  0x000056450a9fc10d in  ()
#7  0x000056450a9fea7d in  ()
#8  0x00007f0745037381 in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () at /usr/lib/libQt5Widgets.so.5
#9  0x00007f0745036857 in QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () at /usr/lib/libQt5Widgets.so.5
#10 0x000056450aa05145 in  ()
#11 0x00007f074507b8f6 in QTreeView::indexRowSizeHint(QModelIndex const&) const () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f074507c28f in QTreeViewPrivate::layout(int, bool, bool) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f07450844e0 in QTreeView::doItemsLayout() () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f074507eb06 in QTreeViewPrivate::updateScrollBars() () at /usr/lib/libQt5Widgets.so.5
#15 0x00007f074508609e in QTreeView::updateGeometries() () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f0745013ff9 in  () at /usr/lib/libQt5Widgets.so.5
#17 0x00007f07440cdc16 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#18 0x00007f074502a17b in QHeaderView::viewportEvent(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f074409dd2c in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#20 0x00007f0744dbbf08 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007f0744dc3a06 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#22 0x00007f074409e060 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#23 0x00007f0744df6ace in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#26 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#27 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#28 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#29 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#30 0x00007f0744df6ab4 in QWidgetPrivate::hideChildren(bool) () at /usr/lib/libQt5Widgets.so.5
#31 0x00007f0744df6da8 in QWidgetPrivate::hide_helper() () at /usr/lib/libQt5Widgets.so.5
#32 0x00007f0744dfb759 in QWidget::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5
#33 0x00007f0744df7089 in QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) () at /usr/lib/libQt5Widgets.so.5
#34 0x00007f0744df76f1 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#35 0x000056450a97a6fa in  ()
#36 0x000056450a968b76 in  ()
#37 0x00007f074318df6a in __libc_start_main () at /usr/lib/libc.so.6
#38 0x000056450a96959a in _start ()

Reported using DrKonqi