Bug 392177

Application: dolphin (17.12.2)

Qt Version: 5.10.0
Frameworks Version: 5.43.0
Operating System: Linux 4.15.10-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
Attempting to copy a file from inside a Dolphin window via drag and drop. 
- Custom settings of the application:
No custum settingS in Dolphin, but am running under Wayland.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7432a0d800 (LWP 10285))]

Thread 3 (Thread 0x7f740f23b700 (LWP 10288)):
#0  0x00007f74250a7e29 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f7425061fb6 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f74250624b0 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f742506253c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f742c4a7a2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f742c44e95a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f742c275baa in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007f742c27aba0 in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007f742771d59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007f74322a0a1f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f741c1f6700 (LWP 10287)):
#0  0x00007f7432296179 in poll () from /lib64/libc.so.6
#1  0x00007f7425062429 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f742506253c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f742c4a7a2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f742c44e95a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f742c275baa in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f742c8cba35 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f742c27aba0 in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007f742771d59b in start_thread () from /lib64/libpthread.so.0
#9  0x00007f74322a0a1f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f7432a0d800 (LWP 10285)):
[KCrash Handler]
#6  0x00007f741e7bcb80 in QtWayland::wl_compositor::create_surface() () from /usr/lib64/libQt5WaylandClient.so.5
#7  0x00007f741e797ec2 in QtWaylandClient::QWaylandDisplay::createSurface(void*) () from /usr/lib64/libQt5WaylandClient.so.5
#8  0x00007f741e79ae01 in QtWaylandClient::QWaylandWindow::initializeWlSurface() () from /usr/lib64/libQt5WaylandClient.so.5
#9  0x00007f741e79bae9 in QtWaylandClient::QWaylandWindow::QWaylandWindow(QWindow*) () from /usr/lib64/libQt5WaylandClient.so.5
#10 0x00007f741e7a0799 in QtWaylandClient::QWaylandShmWindow::QWaylandShmWindow(QWindow*) () from /usr/lib64/libQt5WaylandClient.so.5
#11 0x00007f741e78f470 in QtWaylandClient::QWaylandIntegration::createPlatformWindow(QWindow*) const () from /usr/lib64/libQt5WaylandClient.so.5
#12 0x00007f742cc62d16 in QWindowPrivate::create(bool, unsigned long long) () from /usr/lib64/libQt5Gui.so.5
#13 0x00007f742cc642d0 in QWindowPrivate::setVisible(bool) () from /usr/lib64/libQt5Gui.so.5
#14 0x00007f742cc4d13f in QBasicDrag::recreateShapedPixmapWindow(QScreen*, QPoint const&) () from /usr/lib64/libQt5Gui.so.5
#15 0x00007f742cc4d195 in QBasicDrag::startDrag() () from /usr/lib64/libQt5Gui.so.5
#16 0x00007f741e7b8f4c in QtWaylandClient::QWaylandDrag::startDrag() () from /usr/lib64/libQt5WaylandClient.so.5
#17 0x00007f742cc4d342 in QBasicDrag::drag(QDrag*) () from /usr/lib64/libQt5Gui.so.5
#18 0x00007f742cc6b571 in QDragManager::drag(QDrag*) () from /usr/lib64/libQt5Gui.so.5
#19 0x00007f742cc67ec8 in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () from /usr/lib64/libQt5Gui.so.5
#20 0x00007f7431efe809 in KItemListController::startDragging() () from /usr/lib64/libdolphinprivate.so.5
#21 0x00007f7431efea1e in KItemListController::mouseMoveEvent(QGraphicsSceneMouseEvent*, QTransform const&) () from /usr/lib64/libdolphinprivate.so.5
#22 0x00007f7431efbc3a in KItemListController::processEvent(QEvent*, QTransform const&) () from /usr/lib64/libdolphinprivate.so.5
#23 0x00007f7431f0d6a5 in KItemListView::event(QEvent*) () from /usr/lib64/libdolphinprivate.so.5
#24 0x00007f742d46101c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#25 0x00007f742d468314 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#26 0x00007f742c450148 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#27 0x00007f742d740093 in ?? () from /usr/lib64/libQt5Widgets.so.5
#28 0x00007f742d740428 in ?? () from /usr/lib64/libQt5Widgets.so.5
#29 0x00007f742d745196 in QGraphicsScene::mouseMoveEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5
#30 0x00007f742d74ebd4 in QGraphicsScene::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#31 0x00007f742d46101c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#32 0x00007f742d468314 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#33 0x00007f742c450148 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#34 0x00007f742d7692f0 in QGraphicsViewPrivate::mouseMoveEventHandler(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5
#35 0x00007f742d49d338 in QWidget::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#36 0x00007f742d53b1ee in QFrame::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#37 0x00007f742d76bbdb in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#38 0x00007f742c44fe54 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#39 0x00007f742d460ff5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#40 0x00007f742d46886f in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#41 0x00007f742c450148 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#42 0x00007f742d4678bf in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQt5Widgets.so.5
#43 0x00007f742d4b768b in ?? () from /usr/lib64/libQt5Widgets.so.5
#44 0x00007f742d4b9ab1 in ?? () from /usr/lib64/libQt5Widgets.so.5
#45 0x00007f742d46101c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#46 0x00007f742d468314 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#47 0x00007f742c450148 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#48 0x00007f742cc590cc in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib64/libQt5Gui.so.5
#49 0x00007f742cc5aa15 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib64/libQt5Gui.so.5
#50 0x00007f742cc33eab in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Gui.so.5
#51 0x00007f741e7cd07b in ?? () from /usr/lib64/libQt5WaylandClient.so.5
#52 0x00007f742c44e95a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#53 0x00007f742c457494 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#54 0x00007f74325ab2c7 in kdemain () from /usr/lib64/libkdeinit5_dolphin.so
#55 0x00007f74321c8a87 in __libc_start_main () from /lib64/libc.so.6
#56 0x00005629aa5db7fa in _start ()

Reported using DrKonqi