https://bugs.kde.org/show_bug.cgi?id=454054
Bug ID: 454054 Summary: when I pair with my own kdeconnect daemon, it crash Product: kdeconnect Version: unspecified Platform: Fedora RPMs OS: Linux Status: REPORTED Keywords: drkonqi Severity: crash Priority: NOR Component: common Assignee: albertv...@gmail.com Reporter: meruhk2...@gmail.com Target Milestone: --- Application: kdeconnectd (21.12.2) Qt Version: 5.15.3 Frameworks Version: 5.93.0 Operating System: Linux 5.17.7-1.surface.fc36.x86_64 x86_64 Windowing System: X11 Distribution: "Fedora release 36 (Thirty Six)" DrKonqi: 5.24.5 [KCrashBackend] -- Information about the crash: - Unusual behavior I noticed: I use kde-connect on plasma and gnome, I auto start it it by gnome settings and systemctl service. I also auto start by KDE-plasma (/etc/xdg/autostart/org.kde.kdeconnect.daemon.desktop) Before I update to Fedora 35, I set my PC name as F35, also set kde-connect name as F35. After I updated to Fedora 36, I change both to 36. However, when I opened "KDE-Connect Settings" on PC, the old one "F35" appears on the list. Which is very weird, I shouldn't be able to connect to my PC from my PC. So when I click pair with "F35" The kde daemon crashed. (/usr/libexec/kdeconnectd) The crash can be reproduced every time. -- Backtrace: Application: KDE Connect Daemon (kdeconnectd), signal: Aborted [KCrash Handler] #4 0x00007f7dbc490c7c in __pthread_kill_implementation () from /lib64/libc.so.6 #5 0x00007f7dbc440a06 in raise () from /lib64/libc.so.6 #6 0x00007f7dbc42a834 in abort () from /lib64/libc.so.6 #7 0x00007f7dbb87fc92 in _dbus_abort.cold () from /lib64/libdbus-1.so.3 #8 0x00007f7dbb8a6810 in _dbus_warn_check_failed () from /lib64/libdbus-1.so.3 #9 0x00007f7dbd42d4b1 in QDBusConnectionPrivate::getNameOwnerNoCache(QString const&) () from /lib64/libQt5DBus.so.5 #10 0x00007f7dbd42f77b in QDBusConnectionPrivate::addSignalHook(QString const&, QDBusConnectionPrivate::SignalHook const&) () from /lib64/libQt5DBus.so.5 #11 0x00007f7dbd430591 in QtPrivate::QSlotObject<bool (QDBusConnectionPrivate::*)(QString const&, QDBusConnectionPrivate::SignalHook const&), QtPrivate::List<QString const&, QDBusConnectionPrivate::SignalHook const&>, bool>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) () from /lib64/libQt5DBus.so.5 #12 0x00007f7dbcb0d182 in QObject::event(QEvent*) () from /lib64/libQt5Core.so.5 #13 0x00007f7dbcae30fb in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #14 0x00007f7dbcae6474 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5 #15 0x00007f7dbcb34197 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #16 0x00007f7dbaf38f4f in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #17 0x00007f7dbaf8e168 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0 #18 0x00007f7dbaf368e0 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #19 0x00007f7dbcb33c8a in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #20 0x00007f7dbcae1b7a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #21 0x00007f7dbc9224da in QThread::exec() () from /lib64/libQt5Core.so.5 #22 0x00007f7dbd41aaeb in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5 #23 0x00007f7dbc9237d7 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #24 0x00007f7dbc48ee5d in start_thread () from /lib64/libc.so.6 #25 0x00007f7dbc5148f0 in clone3 () from /lib64/libc.so.6 Thread 2 (Thread 0x7f7daa95f640 (LWP 134441) "QXcbEventQueue"): #1 0x00007f7dba868fba in _xcb_conn_wait.part.0 () from /lib64/libxcb.so.1 #2 0x00007f7dba86a94c in xcb_wait_for_event () from /lib64/libxcb.so.1 #3 0x00007f7daaaa0a91 in QXcbEventQueue::run() () from /lib64/libQt5XcbQpa.so.5 #4 0x00007f7dbc9237d7 in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5 #5 0x00007f7dbc48ee5d in start_thread () from /lib64/libc.so.6 #6 0x00007f7dbc5148f0 in clone3 () from /lib64/libc.so.6 Thread 1 (Thread 0x7f7db815f940 (LWP 134437) "kdeconnectd"): #1 0x00007f7dbc92563b in QSemaphore::acquire(int) () from /lib64/libQt5Core.so.5 #2 0x00007f7dbcb16819 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #3 0x00007f7dbd477517 in QDBusConnectionPrivate::signalNeedsConnecting(QString const&, QDBusConnectionPrivate::SignalHook const&) () from /lib64/libQt5DBus.so.5 #4 0x00007f7dbd424dfa in QDBusConnectionPrivate::connectRelay(QString const&, QString const&, QString const&, QDBusAbstractInterface*, QMetaMethod const&) () from /lib64/libQt5DBus.so.5 #5 0x00007f7dbcb112f2 in QObjectPrivate::connectImpl(QObject const*, int, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /lib64/libQt5Core.so.5 #6 0x00007f7dbcb11565 in QObject::connectImpl(QObject const*, void**, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () from /lib64/libQt5Core.so.5 #7 0x00007f7dbde3ce77 in KNotificationManager::pluginForAction(QString const&) [clone .part.0] () from /lib64/libKF5Notifications.so.5 #8 0x00007f7dbde3df1a in KNotificationManager::notify(KNotification*) () from /lib64/libKF5Notifications.so.5 #9 0x00005639cf151274 in DesktopDaemon::askPairingConfirmation(Device*) () #10 0x00007f7dbcb16726 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #11 0x00007f7dbdfcfba6 in Device::hasPairingRequestsChanged(bool) () from /lib64/libkdeconnectcore.so.21 #12 0x00007f7dbcb16726 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #13 0x00007f7dbdfdea86 in LanPairingHandler::setInternalPairStatus(LanPairingHandler::InternalPairStatus) () from /lib64/libkdeconnectcore.so.21 #14 0x00007f7dbdfe46ee in LanDeviceLink::dataReceived() () from /lib64/libkdeconnectcore.so.21 #15 0x00007f7dbcb16726 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #16 0x00007f7dbdfdc6bd in SocketLineReader::dataReceived() () from /lib64/libkdeconnectcore.so.21 #17 0x00007f7dbcb16726 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #18 0x00007f7dbc276675 in QSslSocketBackendPrivate::transmit() () from /lib64/libQt5Network.so.5 #19 0x00007f7dbcb168af in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5 #20 0x00007f7dbc230e17 in QAbstractSocketPrivate::canReadNotification() () from /lib64/libQt5Network.so.5 #21 0x00007f7dbc243a99 in QReadNotifier::event(QEvent*) () from /lib64/libQt5Network.so.5 #22 0x00007f7dbd643c22 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5 #23 0x00007f7dbcae3118 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5 #24 0x00007f7dbcb346cf in socketNotifierSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5 #25 0x00007f7dbaf38f4f in g_main_context_dispatch () from /lib64/libglib-2.0.so.0 #26 0x00007f7dbaf8e168 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0 #27 0x00007f7dbaf368e0 in g_main_context_iteration () from /lib64/libglib-2.0.so.0 #28 0x00007f7dbcb33c8a in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #29 0x00007f7dbcae1b7a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5 #30 0x00007f7dbcae9c22 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5 #31 0x00005639cf150005 in main () [Inferior 1 (process 134437) detached] Possible duplicates by query: bug 336183. 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