#0  0x00007ffff62bbcc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff62bf0d8 in __GI_abort () at abort.c:89
#2  0x00007ffff69f43a0 in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1589
#3  0x00007ffff69f0930 in QMessageLogger::fatal (this=0x7fffffffbff0, msg=0x7ffff6d54250 "ASSERT failure in %s: \"%s\", file %s, line %d")
    at global/qlogging.cpp:795
#4  0x00007ffff69ea31a in qt_assert_x (where=0x7ffff1c2ad82 "Q_UNREACHABLE()", what=0x7ffff1c2ad68 "Q_UNREACHABLE was reached", 
    file=0x7ffff1c2ad40 "../../../src/core/desktop_screen_qt.cpp", line=73) at global/qglobal.cpp:2878
#5  0x00007fffec65b8a1 in QtWebEngineCore::DesktopScreenQt::GetDisplayNearestWindow (this=0xcfe3a0, window=0x0)
    at ../../../src/core/desktop_screen_qt.cpp:73
#6  0x00007ffff17b7b90 in ui::GetScaleFactorForNativeView (view=0x0) at ../../../src/3rdparty/chromium/ui/base/layout.cc:123
#7  0x00007fffefa39527 in content::GetScaleFactorForView (view=0xd773f0)
    at ../../../src/3rdparty/chromium/content/browser/renderer_host/dip_util.cc:21
#8  0x00007fffefaf3e06 in content::RenderViewHostImpl::OnStartDragging (this=0xd71ef0, drop_data=..., 
    drag_operations_mask=blink::WebDragOperationEvery, bitmap=..., bitmap_offset_in_dip=..., event_info=...)
    at ../../../src/3rdparty/chromium/content/browser/renderer_host/render_view_host_impl.cc:1190
#9  0x00007fffefaf856f in DispatchToMethod<content::RenderViewHostImpl, void (content::RenderViewHostImpl::*)(content::DropData const&, blink::WebDragOperation, SkBitmap const&, gfx::Vector2d const&, content::DragEventSourceInfo const&), content::DropData, blink::WebDragOperation, SkBitmap, gfx::Vector2d, content::DragEventSourceInfo> (obj=0xd71ef0, method=
    (void (content::RenderViewHostImpl::*)(content::RenderViewHostImpl * const, const content::DropData &, blink::WebDragOperation, const SkBitmap &, const gfx::Vector2d &, const content::DragEventSourceInfo &)) 0x7fffefaf39dc <content::RenderViewHostImpl::OnStartDragging(content::DropData const&, blink::WebDragOperation, SkBitmap const&, gfx::Vector2d const&, content::DragEventSourceInfo const&)>, arg=...)
    at ../../../src/3rdparty/chromium/base/tuple.h:579
#10 0x00007fffefaf6f58 in DragHostMsg_StartDragging::Dispatch<content::RenderViewHostImpl, content::RenderViewHostImpl, void, void (content::RenderViewHostImpl::*)(content::DropData const&, blink::WebDragOperation, SkBitmap const&, gfx::Vector2d const&, content::DragEventSourceInfo const&)> (msg=0x7fff800c41d8, obj=0xd71ef0, sender=0xd71ef0, parameter=0x0, func=
    (void (content::RenderViewHostImpl::*)(content::RenderViewHostImpl * const, const content::DropData &, blink::WebDragOperation, const SkBitmap &, const gfx::Vector2d &, const content::DragEventSourceInfo &)) 0x7fffefaf39dc <content::RenderViewHostImpl::OnStartDragging(content::DropData const&, blink::WebDragOperation, SkBitmap const&, gfx::Vector2d const&, content::DragEventSourceInfo const&)>)
    at ../../../src/3rdparty/chromium/content/common/drag_messages.h:56
#11 0x00007fffefaf2172 in content::RenderViewHostImpl::OnMessageReceived (this=0xd71ef0, msg=...)
    at ../../../src/3rdparty/chromium/content/browser/renderer_host/render_view_host_impl.cc:890
#12 0x00007fffefad4a29 in content::RenderProcessHostImpl::OnMessageReceived (this=0xd70e30, msg=...)
    at ../../../src/3rdparty/chromium/content/browser/renderer_host/render_process_host_impl.cc:1407
#13 0x00007ffff1103c2a in IPC::ChannelProxy::Context::OnDispatchMessage (this=0xd78fc0, message=...)
    at ../../../src/3rdparty/chromium/ipc/ipc_channel_proxy.cc:274
#14 0x00007ffff1106ecd in base::internal::RunnableAdapter<void (IPC::ChannelProxy::Context::*)(IPC::Message const&)>::Run (
    this=0x7fffffffca60, object=0xd78fc0, a1=...) at ../../../src/3rdparty/chromium/base/bind_internal.h:190
#15 0x00007ffff1106ae8 in base::internal::InvokeHelper<false, void, base::internal::RunnableAdapter<void (IPC::ChannelProxy::Context::*)(IPC::Message const&)>, void (IPC::ChannelProxy::Context* const&, IPC::Message const&)>::MakeItSo(base::internal::RunnableAdapter<void (IPC::ChannelProxy::Context::*)(IPC::Message const&)>, IPC::ChannelProxy::Context* const&, IPC::Message const&) (runnable=..., 
    a1=@0x7fff800c41d0: 0xd78fc0, a2=...) at ../../../src/3rdparty/chromium/base/bind_internal.h:898
#16 0x00007ffff1106553 in base::internal::Invoker<2, base::internal::BindState<base::internal::RunnableAdapter<void (IPC::ChannelProxy::Context::*)(IPC::Message const&)>, void (IPC::ChannelProxy::Context*, IPC::Message const&), void (IPC::ChannelProxy::Context*, IPC::Message)>, void (IPC::ChannelProxy::Context*, IPC::Message const&)>::Run(base::internal::BindStateBase*) (base=0x7fff800c41b0)
    at ../../../src/3rdparty/chromium/base/bind_internal.h:1253
#17 0x00007fffec6cd1ba in base::Callback<void ()>::Run() const (this=0x7fffffffcfc8) at ../../../src/3rdparty/chromium/base/callback.h:401
#18 0x00007ffff0ffe32d in base::debug::TaskAnnotator::RunTask (this=0xceeab8, queue_function=0x7ffff33ea66a "MessageLoop::PostTask", 
    run_function=0x7ffff33ea655 "MessageLoop::RunTask", pending_task=...) at ../../../src/3rdparty/chromium/base/debug/task_annotator.cc:63
#19 0x00007ffff106103d in base::MessageLoop::RunTask (this=0xcee960, pending_task=...)
    at ../../../src/3rdparty/chromium/base/message_loop/message_loop.cc:447
#20 0x00007ffff1061132 in base::MessageLoop::DeferOrRunPendingTask (this=0xcee960, pending_task=...)
    at ../../../src/3rdparty/chromium/base/message_loop/message_loop.cc:456
#21 0x00007ffff1061668 in base::MessageLoop::DoWork (this=0xcee960) at ../../../src/3rdparty/chromium/base/message_loop/message_loop.cc:565
#22 0x00007fffec64f68d in QtWebEngineCore::(anonymous namespace)::MessagePumpForUIQt::handleScheduledWork (this=0xcf0d60)
    at ../../../src/core/content_browser_client_qt.cpp:175
#23 0x00007fffec64f549 in QtWebEngineCore::(anonymous namespace)::MessagePumpForUIQt::customEvent (this=0xcf0d60, ev=0x7fff800e89d0)
    at ../../../src/core/content_browser_client_qt.cpp:157
#24 0x00007ffff6cb9780 in QObject::event (this=0xcf0d60, e=0x7fff800e89d0) at kernel/qobject.cpp:1268
#25 0x00007ffff7731bb4 in QApplicationPrivate::notify_helper (this=0x46c110, receiver=0xcf0d60, e=0x7fff800e89d0)
    at kernel/qapplication.cpp:3706
#26 0x00007ffff772f0fb in QApplication::notify (this=0x7fffffffdb20, receiver=0xcf0d60, e=0x7fff800e89d0) at kernel/qapplication.cpp:3148
#27 0x00007ffff6c82614 in QCoreApplication::notifyInternal (this=0x7fffffffdb20, receiver=0xcf0d60, event=0x7fff800e89d0)
    at kernel/qcoreapplication.cpp:945
#28 0x00007ffff6c861c7 in QCoreApplication::sendEvent (receiver=0xcf0d60, event=0x7fff800e89d0) at kernel/qcoreapplication.h:228
#29 0x00007ffff6c838ff in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x46c280)
    at kernel/qcoreapplication.cpp:1549
#30 0x00007ffff6c832a4 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1407
#31 0x00007ffff6cf5198 in postEventSourceDispatch (s=0x5836c0) at kernel/qeventdispatcher_glib.cpp:271
#32 0x00007fffeb50ce04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fffeb50d048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fffeb50d0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007ffff6cf5939 in QEventDispatcherGlib::processEvents (this=0x586590, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#36 0x00007fffe02cd562 in QPAEventDispatcherGlib::processEvents (this=0x586590, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
#37 0x00007ffff6c7f30e in QEventLoop::processEvents (this=0x7fffffffda10, flags=...) at kernel/qeventloop.cpp:128
#38 0x00007ffff6c7f5cf in QEventLoop::exec (this=0x7fffffffda10, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007ffff6c82cec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1198
#40 0x00007ffff57762bc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1512
#41 0x00007ffff772ead9 in QApplication::exec () at kernel/qapplication.cpp:2964
#42 0x000000000040249b in main (argc=1, argv=0x7fffffffdd08) at main.cpp:85