Application: ktorrent (5.1.2)

Qt Version: 5.12.2
Frameworks Version: 5.62.0
Operating System: Linux 5.0.0-32-generic x86_64
Distribution: Ubuntu 19.04

-- Information about the crash:
- What I was doing when the application crashed:
I closed the program using the "quit" button, nothing was seeding or download.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7caf52b800 (LWP 2322))]

Thread 3 (Thread 0x7f7ca540e700 (LWP 2431)):
#0  0x00007f7cadfb9729 in __GI___poll (fds=0x7f7c90004e30, nfds=1, timeout=9665) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7cac54ebf6 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7cac54ed1c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7cae6b6063 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7cae6615bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7cae4ac2c6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7cae4ad612 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7cacdf1182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007f7cadfc5b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f7ca6e27700 (LWP 2415)):
#0  0x00007f7cadfb9729 in __GI___poll (fds=0x7f7c9801f9f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7cac54ebf6 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7cac54ed1c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7cae6b6063 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7cae6615bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7cae4ac2c6 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7caf546565 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f7cae4ad612 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7cacdf1182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f7cadfc5b1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f7caf52b800 (LWP 2322)):
[KCrash Handler]
#6  0x00007f7cae69cead in QVariant::QVariant(QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x000055f146b97dbc in  ()
#8  0x000055f146b99b75 in  ()
#9  0x00007f7caf29b6cc in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f7caf29acde in QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x000055f146b9d5e5 in  ()
#12 0x00007f7caf2debdf in QTreeView::indexRowSizeHint(QModelIndex const&) const () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f7caf2df5ed in QTreeViewPrivate::layout(int, bool, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f7caf2e6ff1 in QTreeView::doItemsLayout() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f7caf2e1793 in QTreeViewPrivate::updateScrollBars() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f7caf2e8aae in QTreeView::updateGeometries() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f7caf2777c9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f7cae68c426 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f7caf28e1a0 in QHeaderView::viewportEvent(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f7cae6625fb in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f7caf029541 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f7caf030930 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f7cae6628e9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f7caf065563 in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f7caf0654ca in QWidgetPrivate::showChildren(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f7caf06553f in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f7caf0654ca in QWidgetPrivate::showChildren(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f7caf06553f in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f7caf0654ca in QWidgetPrivate::showChildren(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f7caf06553f in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f7caf0654ca in QWidgetPrivate::showChildren(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f7caf06553f in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f7caf0654ca in QWidgetPrivate::showChildren(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f7caf06553f in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f7caf0654ca in QWidgetPrivate::showChildren(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f7caf06553f in QWidgetPrivate::show_helper() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f7caf0686b3 in QWidgetPrivate::setVisible(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f7caf04cc01 in QStackedLayout::setCurrentIndex(int) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f7caf04d3c2 in QStackedLayout::takeAt(int) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f7caf045c1f in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f7caf029536 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007f7caf030930 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f7cae6628e9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007f7cae69271a in QObjectPrivate::setParent_helper(QObject*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007f7cae693008 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x00007f7caf06450b in QWidget::~QWidget() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f7cb04035c1 in  () at /usr/lib/x86_64-linux-gnu/libktcore.so.16
#48 0x00007f7cb04017f6 in kt::PluginManager::~PluginManager() () at /usr/lib/x86_64-linux-gnu/libktcore.so.16
#49 0x000055f146b1e39f in  ()
#50 0x000055f146b1e739 in  ()
#51 0x000055f146b28492 in  ()
#52 0x000055f146b1971e in  ()
#53 0x00007f7cadeceb6b in __libc_start_main (main=0x55f146b17390, argc=3, argv=0x7fffeb903468, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffeb903458) at ../csu/libc-start.c:308
#54 0x000055f146b1a02a in _start ()
[Inferior 1 (process 2322) detached]

The reporter indicates this bug may be a duplicate of or related to bug 275023.

Reported using DrKonqi