Segfault just after to click on the "position reinitialisation" dialog button

It is random (and not related to yes/no but not sure)

(gdb) where
#0  0x00007ffff70ce0ff in  () at /lib64/libQt5Widgets.so.5
#1  0x00007ffff70d8931 in QListView::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5
#2  0x00007ffff6e84378 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#3  0x00007ffff6f28ac2 in QFrame::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#4  0x00007ffff70a091b in QAbstractItemView::viewportEvent(QEvent*) () at /lib64/libQt5Widgets.so.5
#5  0x00007fffef427d0e in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#6  0x00007ffff6e45275 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#7  0x00007ffff6e4cbe8 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#8  0x00007fffef427ec6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#9  0x00007ffff6e4bedd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) ()
    at /lib64/libQt5Widgets.so.5
#10 0x00007ffff6e9f118 in  () at /lib64/libQt5Widgets.so.5
#11 0x00007ffff6ea1cbe in  () at /lib64/libQt5Widgets.so.5
#12 0x00007ffff6e45285 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#13 0x00007ffff6e4c9a0 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#14 0x00007fffef427ec6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#15 0x00007fffefe274d3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5
#16 0x00007fffefe295d5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5
#17 0x00007fffefe0470b in QWindowSystemInterface::sendWindowSystemEvents(QFlags) () at /lib64/libQt5Gui.so.5
#18 0x00007fffe4a5d85f in  () at /lib64/libQt5XcbQpa.so.5
#19 0x00007fffef426e0b in QEventLoop::exec(QFlags) () at /lib64/libQt5Core.so.5
#20 0x00007fffef42eed6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#21 0x0000555555947f22 in main ()