it crashes after expanding the folders in the bin.. 

this happened in the exact window (see attachment) just after i hit the normalize buttom for the sox gain.


Reproducible: Sometimes




Program received signal SIGSEGV, Segmentation fault.
0x00007ffff1d1cc8e in QWidget::testAttribute_helper(Qt::WidgetAttribute) const () from /usr/lib/libQt5Widgets.so.5
(gdb) backtrace
#0  0x00007ffff1d1cc8e in QWidget::testAttribute_helper(Qt::WidgetAttribute) const () from /usr/lib/libQt5Widgets.so.5
#1  0x00007ffff1d25d07 in QWidget::setAttribute(Qt::WidgetAttribute, bool) () from /usr/lib/libQt5Widgets.so.5
#2  0x00007ffff1d2dbae in QWidget::setEnabled(bool) () from /usr/lib/libQt5Widgets.so.5
#3  0x000055555574b2c6 in ProjectList::slotClipSelected() ()
#4  0x0000555555ae07b5 in ProjectList::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) ()
#5  0x00007ffff1044ff9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#6  0x00007ffff1fc6627 in ?? () from /usr/lib/libQt5Widgets.so.5
#7  0x00007ffff1044ff9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5
#8  0x00007ffff0fc5a77 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () from /usr/lib/libQt5Core.so.5
#9  0x00007ffff0fcc570 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () from /usr/lib/libQt5Core.so.5
#10 0x00007ffff0fcd499 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib/libQt5Core.so.5
#11 0x00007ffff1f970cd in QTreeViewPrivate::select(QModelIndex const&, QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib/libQt5Widgets.so.5
#12 0x00007ffff1f97a19 in QTreeView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib/libQt5Widgets.so.5
#13 0x00007ffff1f53bac in QAbstractItemView::mousePressEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#14 0x00007ffff1f9c35a in QTreeView::mousePressEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5
#15 0x00007ffff1d32dbf in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#16 0x00007ffff1e3013e in QFrame::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#17 0x00007ffff1f5b31b in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#18 0x00007ffff1f9bc50 in QTreeView::viewportEvent(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#19 0x00007ffff10147d4 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#20 0x00007ffff1cef3bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#21 0x00007ffff1cf50e3 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#22 0x00007ffff10149eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#23 0x00007ffff1cf3bfa in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQt5Widgets.so.5
#24 0x00007ffff1d4add0 in ?? () from /usr/lib/libQt5Widgets.so.5
#25 0x00007ffff1d4cf43 in ?? () from /usr/lib/libQt5Widgets.so.5
#26 0x00007ffff1cef3dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#27 0x00007ffff1cf4820 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#28 0x00007ffff10149eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#29 0x00007ffff153eec2 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5
#30 0x00007ffff1540a75 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5
#31 0x00007ffff152595f in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#32 0x00007fffe291c430 in ?? () from /usr/lib/qt/plugins/platforms/libqxcb.so
#33 0x00007fffe92759fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x00007fffe9275ce0 in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x00007fffe9275d8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x00007ffff106cde7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#37 0x00007ffff1012482 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#38 0x00007ffff1019e5c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#39 0x00005555556650bc in main ()