Bug 438073

Application: kdeconnectd (21.04.1)

Qt Version: 5.15.3
Frameworks Version: 5.82.0
Operating System: Linux 5.4.0-74-generic x86_64
Windowing System: X11
Drkonqi Version: 5.21.5
Distribution: KDE neon User Edition 5.21

-- Information about the crash:
- Custom settings of the application:

Im just install neon, make basic configuration, then update system from gui and kde connect start crashed before i try to conetc my phone

The crash can be reproduced every time.

-- Backtrace:
Application: Служба KDE Connect (kdeconnectd), signal: Segmentation fault

[New LWP 1206]
[New LWP 1288]
[New LWP 1296]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f102ce34aff in __GI___poll (fds=0x7ffd9f4b75a8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f1029307d40 (LWP 1191))]

Thread 4 (Thread 0x7f1025997700 (LWP 1296)):
#0  __GI___libc_read (nbytes=16, buf=0x7f1025996ad0, fd=11) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=11, buf=0x7f1025996ad0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f102b971b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f102b928ebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f102b929312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f102b9294a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f102d402b3b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f102d3a6dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f102d1c0bb2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f102d1c1d4c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f102c34a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f102ce41293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1026ba8700 (LWP 1288)):
#0  0x00007f102ce34aff in __GI___poll (fds=0x7f10180132a0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f102b92936e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f102b9294a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f102d402b3b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f102d3a6dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f102d1c0bb2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f102dd2bf4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f102d1c1d4c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f102c34a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f102ce41293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1028797700 (LWP 1206)):
#0  0x00007f102ce34aff in __GI___poll (fds=0x7f1028796be8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f102b495c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f102b49790a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f1028ee5e88 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f102d1c1d4c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f102c34a609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f102ce41293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1029307d40 (LWP 1191)):
[KCrash Handler]
#4  Device::reloadPlugins (this=this@entry=0x55dab2e9d660) at ./core/device.cpp:192
#5  0x00007f102e994990 in Device::pairStatusChanged (this=0x55dab2e9d660, status=DeviceLink::Paired) at ./core/device.cpp:249
#6  0x00007f102d3df2ee in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f102e94aaa5 in DeviceLink::pairStatusChanged (this=this@entry=0x55dab2e9d9a0, _t1=<optimized out>, _t1@entry=DeviceLink::Paired) at ./obj-x86_64-linux-gnu/core/kdeconnectcore_autogen/CSWKE6ESUK/moc_devicelink.cpp:211
#8  0x00007f102e9745f8 in DeviceLink::setPairStatus (this=this@entry=0x55dab2e9d9a0, status=status@entry=DeviceLink::Paired) at ./core/backends/devicelink.cpp:26
#9  0x00007f102e9647bf in LanDeviceLink::setPairStatus (this=0x55dab2e9d9a0, status=<optimized out>) at ./core/backends/lan/landevicelink.cpp:164
#10 0x00007f102e96615d in LanPairingHandler::acceptPairing (this=0x7f1018019740) at ./core/backends/lan/lanpairinghandler.cpp:83
#11 0x00007f102e9910d2 in Device::acceptPairing (this=<optimized out>) at ./core/device.cpp:345
#12 0x00007f102d3df2ee in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f102e77f330 in KNotification::activate(unsigned int) () from /lib/x86_64-linux-gnu/libKF5Notifications.so.5
#14 0x00007f102e787507 in ?? () from /lib/x86_64-linux-gnu/libKF5Notifications.so.5
#15 0x00007f102d3df2ee in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f102e77a283 in KNotificationPlugin::actionInvoked(int, int) () from /lib/x86_64-linux-gnu/libKF5Notifications.so.5
#17 0x00007f102e79f0a9 in ?? () from /lib/x86_64-linux-gnu/libKF5Notifications.so.5
#18 0x00007f102d3df2ee in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f102e7b3213 in ?? () from /lib/x86_64-linux-gnu/libKF5Notifications.so.5
#20 0x00007f102e7b4281 in ?? () from /lib/x86_64-linux-gnu/libKF5Notifications.so.5
#21 0x00007f102dd3855b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#22 0x00007f102d3d5e69 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f102df1edc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f102df27bb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f102d3a82ca in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f102d3aabd1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f102d4034c7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f102b92917d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f102b929400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f102b9294a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f102d402b22 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f102d3a6dcb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f102d3aef84 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x000055dab0cce016 in main (argc=<optimized out>, argv=<optimized out>) at ./daemon/kdeconnectd.cpp:174
[Inferior 1 (process 1191) detached]

Reported using DrKonqi