https://bugs.kde.org/show_bug.cgi?id=391353

            Bug ID: 391353
           Summary: Drag and drop crashes applications in wayland
           Product: kate
           Version: unspecified
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kwrite-bugs-n...@kde.org
          Reporter: nortex...@gmail.com
  Target Milestone: ---

Application: kate (17.12.2)

Qt Version: 5.10.0
Frameworks Version: 5.43.0
Operating System: Linux 4.15.6-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
Drag and drop causes KDE applications to crash. It works fine for the GTK apps
I tried, such as Firefox and Libreoffice Writer. For KDE I tried Dolphin, Kate,
Falkon, and k3b. I tried Telegram's official qt application and drag and drop
worked fine.

Plasma 5.12.1 and 5.12.2, opensuse tumbleweed.

The crash can be reproduced every time.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6845857900 (LWP 2893))]

Thread 2 (Thread 0x7f682d936700 (LWP 2894)):
#0  0x00007f68401a3179 in poll () from /lib64/libc.so.6
#1  0x00007f6839e58109 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6839e5821c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6840ae0aab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#4  0x00007f6840a879da in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#5  0x00007f68408aebfa in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f6840f04a35 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f68408b3bf0 in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007f683bea259b in start_thread () from /lib64/libpthread.so.0
#9  0x00007f68401ada1f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f6845857900 (LWP 2893)):
[KCrash Handler]
#6  0x00007f68329961b0 in QtWaylandClient::QWaylandScreen::display() const ()
from /usr/lib64/libQt5WaylandClient.so.5
#7  0x00007f6832991938 in
QtWaylandClient::QWaylandWindow::QWaylandWindow(QWindow*) () from
/usr/lib64/libQt5WaylandClient.so.5
#8  0x00007f6832996799 in
QtWaylandClient::QWaylandShmWindow::QWaylandShmWindow(QWindow*) () from
/usr/lib64/libQt5WaylandClient.so.5
#9  0x00007f6832985470 in
QtWaylandClient::QWaylandIntegration::createPlatformWindow(QWindow*) const ()
from /usr/lib64/libQt5WaylandClient.so.5
#10 0x00007f6841769d26 in QWindowPrivate::create(bool, unsigned long long) ()
from /usr/lib64/libQt5Gui.so.5
#11 0x00007f684176b2e0 in QWindowPrivate::setVisible(bool) () from
/usr/lib64/libQt5Gui.so.5
#12 0x00007f684175413f in QBasicDrag::recreateShapedPixmapWindow(QScreen*,
QPoint const&) () from /usr/lib64/libQt5Gui.so.5
#13 0x00007f6841754195 in QBasicDrag::startDrag() () from
/usr/lib64/libQt5Gui.so.5
#14 0x00007f68329aef4c in QtWaylandClient::QWaylandDrag::startDrag() () from
/usr/lib64/libQt5WaylandClient.so.5
#15 0x00007f6841754342 in QBasicDrag::drag(QDrag*) () from
/usr/lib64/libQt5Gui.so.5
#16 0x00007f6841772581 in QDragManager::drag(QDrag*) () from
/usr/lib64/libQt5Gui.so.5
#17 0x00007f684176ef9a in QDrag::start(QFlags<Qt::DropAction>) () from
/usr/lib64/libQt5Gui.so.5
#18 0x00007f6845294a80 in ?? () from /usr/lib64/libKF5TextEditor.so.5
#19 0x00007f684529eea4 in ?? () from /usr/lib64/libKF5TextEditor.so.5
#20 0x00007f6841fa4338 in QWidget::event(QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#21 0x00007f6841f6801c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#22 0x00007f6841f6f86f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#23 0x00007f6840a891c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#24 0x00007f6841f6e8bf in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib64/libQt5Widgets.so.5
#25 0x00007f6841fbe68b in ?? () from /usr/lib64/libQt5Widgets.so.5
#26 0x00007f6841fc0ab1 in ?? () from /usr/lib64/libQt5Widgets.so.5
#27 0x00007f6841f6801c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#28 0x00007f6841f6f314 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#29 0x00007f6840a891c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#30 0x00007f68417600dc in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib64/libQt5Gui.so.5
#31 0x00007f6841761a25 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib64/libQt5Gui.so.5
#32 0x00007f684173aeab in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib64/libQt5Gui.so.5
#33 0x00007f68329c307b in ?? () from /usr/lib64/libQt5WaylandClient.so.5
#34 0x00007f6840a879da in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#35 0x00007f6840a90514 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#36 0x000055d77f10ec60 in ?? ()
#37 0x00007f68400d5a87 in __libc_start_main () from /lib64/libc.so.6
#38 0x000055d77f11026a in _start ()

Reported using DrKonqi

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