Application: dolphin (20.12.2)

Qt Version: 5.15.2
Frameworks Version: 5.81.0
Operating System: Linux 5.11.20-300.fc34.x86_64 x86_64
Windowing System: Wayland
Drkonqi Version: 5.21.5
Distribution: Fedora 34 (KDE Plasma)

-- Information about the crash:
- What I was doing when the application crashed:

I right-clicked a file, go to Share, Send with bluetooth.

Then crashed.

PS: bluetooth system tray icon's said bluetooth failed to connect with device but in the other device the connection went well (windows 10)

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f1c47532269 in Lightly::Style::drawFramePrimitive(QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/lightly.so
#5  0x00007f1c47528304 in Lightly::Style::drawPrimitive(QStyle::PrimitiveElement, QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/lightly.so
#6  0x00007f1c475286e4 in Lightly::Style::drawControl(QStyle::ControlElement, QStyleOption const*, QPainter*, QWidget const*) const () from /usr/lib64/qt5/plugins/styles/lightly.so
#7  0x00007f1c1ce9eb48 in KQuickStyleItem::updatePolish() () from /usr/lib64/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#8  0x00007f1c58aeb94c in QQuickWindowPrivate::polishItems() () from /lib64/libQt5Quick.so.5
#9  0x00007f1c58aa6352 in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) () from /lib64/libQt5Quick.so.5
#10 0x00007f1c58aa7225 in QSGThreadedRenderLoop::exposureChanged(QQuickWindow*) () from /lib64/libQt5Quick.so.5
#11 0x00007f1c5a290ed5 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#12 0x00007f1c5a8d8e73 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#13 0x00007f1c59d86f48 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#14 0x00007f1c5a286ff5 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /lib64/libQt5Gui.so.5
#15 0x00007f1c5a2674fc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#16 0x00007f1c5771a864 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5WaylandClient.so.5
#17 0x00007f1c57cfa4cf in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#18 0x00007f1c57d4e4e8 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#19 0x00007f1c57cf7c03 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#20 0x00007f1c59dd36f8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#21 0x00007f1c59d859b2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#22 0x00007f1c59d8d544 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#23 0x00007f1c5becdd3d in kdemain () from /lib64/libkdeinit5_dolphin.so
#24 0x00007f1c5bccfb75 in __libc_start_main () from /lib64/libc.so.6
#25 0x00005637a2edf0ae in _start ()
[Inferior 1 (process 32920) detached]

Reported using DrKonqi