Bug 406026

Application: ktorrent (5.1.1)

Qt Version: 5.12.2
Frameworks Version: 5.56.0
Operating System: Linux 5.0.3-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
I had simply closed the app by chosing "quit" from the "File" menu.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4c7faa3480 (LWP 23244))]

Thread 7 (Thread 0x7f4c5effd700 (LWP 23341)):
#0  0x00007f4c7e123ae9 in poll () at /lib64/libc.so.6
#1  0x00007f4c7bd1d0f1 in  () at /usr/lib64/libpulse.so.0
#2  0x00007f4c7bd0e920 in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#3  0x00007f4c7bd0ef6e in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007f4c7bd0f020 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007f4c7bd1d039 in  () at /usr/lib64/libpulse.so.0
#6  0x00007f4c7b8e8e28 in  () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f4c7e010fab in start_thread () at /lib64/libpthread.so.0
#8  0x00007f4c7e12e6af in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f4c5d515700 (LWP 23269)):
#0  0x00007f4c7e01703c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4c7e5bf453 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f4c7e5bf539 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f4c803c04db in  () at /usr/lib64/libKF5Torrent.so.6
#4  0x00007f4c7e5b9362 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f4c7e010fab in start_thread () at /lib64/libpthread.so.0
#6  0x00007f4c7e12e6af in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f4c5ffff700 (LWP 23251)):
#0  0x00007f4c7e01703c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4c71203ae3 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f4c71203837 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f4c7e010fab in start_thread () at /lib64/libpthread.so.0
#4  0x00007f4c7e12e6af in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f4c735ef700 (LWP 23250)):
#0  0x00007f4c7e01703c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4c71203ae3 in  () at /usr/lib64/dri/r600_dri.so
#2  0x00007f4c71203837 in  () at /usr/lib64/dri/r600_dri.so
#3  0x00007f4c7e010fab in start_thread () at /lib64/libpthread.so.0
#4  0x00007f4c7e12e6af in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f4c72dee700 (LWP 23249)):
#0  0x00007f4c80c9a5de in _dl_update_slotinfo () at /lib64/ld-linux-x86-64.so.2
#1  0x00007f4c80c9a7dc in update_get_addr () at /lib64/ld-linux-x86-64.so.2
#2  0x00007f4c80c9fa48 in __tls_get_addr () at /lib64/ld-linux-x86-64.so.2
#3  0x00007f4c7e5b86e6 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f4c7e7c1d5a in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f4c7c829369 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f4c7c829d6b in  () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f4c7c829f5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f4c7e7c1e7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#9  0x00007f4c7e76d3cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f4c7e5b8016 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#11 0x00007f4c7e5b9362 in  () at /usr/lib64/libQt5Core.so.5
#12 0x00007f4c7e010fab in start_thread () at /lib64/libpthread.so.0
#13 0x00007f4c7e12e6af in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f4c78b07700 (LWP 23247)):
#0  0x00007f4c7e123ae9 in poll () at /lib64/libc.so.6
#1  0x00007f4c7c829e36 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f4c7c829f5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f4c7e7c1e7b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f4c7e76d3cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f4c7e5b8016 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f4c7f687565 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f4c7e5b9362 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f4c7e010fab in start_thread () at /lib64/libpthread.so.0
#9  0x00007f4c7e12e6af in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f4c7faa3480 (LWP 23244)):
[KCrash Handler]
#6  0x00007f4c7e7a8cbd in QVariant::QVariant(QString const&) () at /usr/lib64/libQt5Core.so.5
#7  0x0000562054d1cdac in  ()
#8  0x0000562054d1eb65 in  ()
#9  0x00007f4c7f3db62c in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () at /usr/lib64/libQt5Widgets.so.5
#10 0x00007f4c7f3dac3e in QStyledItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () at /usr/lib64/libQt5Widgets.so.5
#11 0x0000562054d225d5 in  ()
#12 0x00007f4c7f41eb3f in QTreeView::indexRowSizeHint(QModelIndex const&) const () at /usr/lib64/libQt5Widgets.so.5
#13 0x00007f4c7f41f58d in QTreeViewPrivate::layout(int, bool, bool) () at /usr/lib64/libQt5Widgets.so.5
#14 0x00007f4c7f426fb1 in QTreeView::doItemsLayout() () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f4c7f421743 in QTreeViewPrivate::updateScrollBars() () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f4c7f428a6e in QTreeView::updateGeometries() () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f4c7f3b7709 in  () at /usr/lib64/libQt5Widgets.so.5
#18 0x00007f4c7e798206 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f4c7f3ce0f0 in QHeaderView::viewportEvent(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007f4c7e76e40b in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#21 0x00007f4c7f169541 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007f4c7f170930 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f4c7e76e6f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f4c7f1a3a5b in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#26 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#29 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#30 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#31 0x00007f4c7f1a3a48 in QWidgetPrivate::hideChildren(bool) () at /usr/lib64/libQt5Widgets.so.5
#32 0x00007f4c7f1a3cbf in QWidgetPrivate::hide_helper() () at /usr/lib64/libQt5Widgets.so.5
#33 0x00007f4c7f1a8868 in QWidgetPrivate::setVisible(bool) () at /usr/lib64/libQt5Widgets.so.5
#34 0x00007f4c7f1a3ebe in QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) () at /usr/lib64/libQt5Widgets.so.5
#35 0x00007f4c7f1a4619 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5
#36 0x00007f4c800afe84 in KMainWindow::~KMainWindow() () at /usr/lib64/libKF5XmlGui.so.5
#37 0x0000562054cad4a7 in  ()
#38 0x0000562054c9e73e in  ()
#39 0x00007f4c7e056b7b in __libc_start_main () at /lib64/libc.so.6
#40 0x0000562054c9f04a in _start ()
[Inferior 1 (process 23244) detached]

Reported using DrKonqi