Application: ktorrent (5.1.2)
 (Compiled from sources)
Qt Version: 5.14.1
Frameworks Version: 5.68.0
Operating System: Linux 5.3.0-42-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.18

-- Information about the crash:
- What I was doing when the application crashed:
I use kde neon when ktorrent is empty in the download queue and you close the program gives error

The crash can be reproduced sometimes.

-- 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 0x7fcd3245e800 (LWP 3254))]

Thread 8 (Thread 0x7fcce15f3700 (LWP 4838)):
#0  0x00007fcd2c3950b4 in __GI___libc_read (fd=69, buf=0x7fcce15f2bde, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fcd1fa61021 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fcd2385ba2e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fcd2385c4a0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fcd2385c560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fcd2386a3c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fcd1fa90318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fcd280ca6db in start_thread (arg=0x7fcce15f3700) at pthread_create.c:463
#8  0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fccc9ffb700 (LWP 4168)):
#0  0x00007fcd280d09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c675e75ba0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c675e75b50, cond=0x55c675e75b78) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c675e75b78, mutex=0x55c675e75b50) at pthread_cond_wait.c:655
#3  0x00007fcd2d06dd9b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcd2d06df19 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcd31ca54a3 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#6  0x00007fcd2d0677ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcd280ca6db in start_thread (arg=0x7fccc9ffb700) at pthread_create.c:463
#8  0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fccca7fc700 (LWP 4167)):
#0  0x00007fcd2d067e16 in QMutex::unlock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fcd31ca259c in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#2  0x00007fcd31ca2c99 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#3  0x00007fcd2d0677ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcd280ca6db in start_thread (arg=0x7fccca7fc700) at pthread_create.c:463
#5  0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fcccaffd700 (LWP 4166)):
#0  0x00007fcd2c399bf9 in __GI___poll (fds=0x7fccac02dfe0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fcd31ca5988 in net::Poll::poll(int) () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#2  0x00007fcd31ca29da in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#3  0x00007fcd31ca2a76 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#4  0x00007fcd31ca2c99 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Torrent.so.6
#5  0x00007fcd2d0677ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcd280ca6db in start_thread (arg=0x7fcccaffd700) at pthread_create.c:463
#7  0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fcd0f52e700 (LWP 3259)):
#0  0x00007fcd280d09f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55c675948468) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55c675948418, cond=0x55c675948440) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55c675948440, mutex=0x55c675948418) at pthread_cond_wait.c:655
#3  0x00007fccff63decb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007fccff63dac7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007fcd280ca6db in start_thread (arg=0x7fcd0f52e700) at pthread_create.c:463
#6  0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fcd0ed2d700 (LWP 3258)):
#0  0x00007fcd2c399bf9 in __GI___poll (fds=0x7fcd04002de0, nfds=1, timeout=8744) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fcd25f2b5c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcd25f2b6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcd2d2b60db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fcd2d25563a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcd2d066317 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcd2d0677ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcd280ca6db in start_thread (arg=0x7fcd0ed2d700) at pthread_create.c:463
#8  0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fcd1073f700 (LWP 3256)):
#0  0x00007fcd25f284a6 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fcd25f2aa63 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcd25f2b4fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcd25f2b6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcd2d2b60db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fcd2d25563a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fcd2d066317 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcd2e867555 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fcd2d0677ec in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcd280ca6db in start_thread (arg=0x7fcd1073f700) at pthread_create.c:463
#10 0x00007fcd2c3a688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fcd3245e800 (LWP 3254)):
[KCrash Handler]
#6  0x00007fcd2d0ece4a in QtPrivate::qustrchr(QStringView, unsigned short) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fcd2d0effa3 in QString::indexOf(QChar, int, Qt::CaseSensitivity) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fcd2d0efff7 in QString::replace(QChar, QChar, Qt::CaseSensitivity) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fcd2e3b8300 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007fcd2e3bfb5f in QStyledItemDelegate::displayText(QVariant const&, QLocale const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007fcd2e3c175e in QStyledItemDelegate::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fcd2e3c020c in QStyledItemDelegate::paint(QPainter*, QStyleOptionViewItem const&, QModelIndex const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fcd2e4026ff in QTreeView::drawRow(QPainter*, QStyleOptionViewItem const&, QModelIndex const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fcd2e40833d in QTreeView::drawTree(QPainter*, QRegion const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fcd2e40c3c5 in QTreeView::paintEvent(QPaintEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fcd2e1817f8 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fcd2e227a6e in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fcd2e3a3853 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fcd2e40d2fc in QTreeView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fcd2d256b3d in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fcd2e140892 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fcd2e147ac0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fcd2d256db8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fcd2e179f35 in QWidgetPrivate::sendPaintEvent(QRegion const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fcd2e17ab1e in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007fcd2e17bb69 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fcd2e17bb69 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fcd2e17bb69 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fcd2e17bb69 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007fcd2e17bb69 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007fcd2e17b9e0 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007fcd2e17a102 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, QFlags<QWidgetPrivate::DrawWidgetFlag>, QPainter*, QWidgetRepaintManager*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007fcd2e151585 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fcd2e151c28 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007fcd2e17b59f in QWidgetPrivate::syncBackingStore() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007fcd2e181978 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007fcd2e28ebd0 in QMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007fcd30ff4df1 in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#51 0x00007fcd31036197 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#52 0x00007fcd2e1408bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#53 0x00007fcd2e147ac0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#54 0x00007fcd2d256db8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007fcd2e152b75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#56 0x00007fcd2e155300 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#57 0x00007fcd2e16a87b in QWidget::repaint(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#58 0x00007fcd2e16a8dc in QWidget::repaint() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#59 0x00007fcd2e22db0d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#60 0x00007fcd2e22dd3d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#61 0x00007fcd2e31f7aa in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#62 0x00007fcd2e1817f8 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#63 0x00007fcd2e31f844 in QToolButton::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#64 0x00007fcd2e1408bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#65 0x00007fcd2e148908 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#66 0x00007fcd2d256db8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#67 0x00007fcd2e146f8f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#68 0x00007fcd2e19beb1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#69 0x00007fcd2e19ed1a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#70 0x00007fcd2e1408bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#71 0x00007fcd2e147ac0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#72 0x00007fcd2d256db8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#73 0x00007fcd2d852f95 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#74 0x00007fcd2d8540c5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#75 0x00007fcd2d82d01b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#76 0x00007fcd1dbecc8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#77 0x00007fcd25f2b417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007fcd25f2b650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007fcd25f2b6dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007fcd2d2b60bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#81 0x00007fcd2d25563a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#82 0x00007fcd2d25edb0 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#83 0x000055c6741bb08a in ?? ()
#84 0x00007fcd2c2a6b97 in __libc_start_main (main=0x55c6741b8db0, argc=2, argv=0x7ffd04835258, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd04835248) at ../csu/libc-start.c:310
#85 0x000055c6741bba6a in _start ()

Possible duplicates by query: bug 412324, bug 411010, bug 411002, bug 410334, bug 398145.

Reported using DrKonqi