Application: plasma-discover (5.12.8)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 5.4.0-58-generic x86_64
Distribution: Ubuntu 18.04.5 LTS

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

I clicked on the notification that there was an update available

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7471838800 (LWP 26446))]

Thread 8 (Thread 0x7f742a081700 (LWP 26455)):
#0  0x00007f746ce23639 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f746d525775 in QBasicMutex::lockInternal() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f746ad94f96 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#3  0x00007f746ad95835 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#4  0x00007f746ad718cc in QSslSocket::startClientEncryption() () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#5  0x00007f746ad72578 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#6  0x00007f746ad7a379 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007f746d73b555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f746ad44f09 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#9  0x00007f746ad47e78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#10 0x00007f746ad587ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#11 0x00007f746f9e083c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f746f9e8104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f746d70c8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f746d7664ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f746760d417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f746760d650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f746d7658ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f746d52923a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f746973c6db in start_thread (arg=0x7f742a081700) at pthread_create.c:463
#23 0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f743a3d2700 (LWP 26452)):
#0  0x00007f7469742ad3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f742c040180) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7469742ad3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f742c040130, cond=0x7f742c040158) at pthread_cond_wait.c:502
#2  0x00007f7469742ad3 in __pthread_cond_wait (cond=0x7f742c040158, mutex=0x7f742c040130) at pthread_cond_wait.c:655
#3  0x00007f746d52f5ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f746d527c1b in QSemaphore::acquire(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f746d73b868 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f746ad9cdf2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#7  0x00007f746ad9dd4c in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#8  0x00007f746d73b555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f746ad9beb2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#10 0x00007f746acfd23f in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#11 0x00007f746acfe6cc in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#12 0x00007f746d73b555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f746ad70dd2 in QSslSocket::preSharedKeyAuthenticationRequired(QSslPreSharedKeyAuthenticator*) () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#14 0x00007f746ad94cdc in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#15 0x00007f743a418156 in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#16 0x00007f743a4162eb in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#17 0x00007f743a42025e in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#18 0x00007f743a41f157 in  () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#19 0x00007f743a40b4c4 in SSL_do_handshake () at /usr/lib/x86_64-linux-gnu/libssl.so.1.1
#20 0x00007f746ad9510d in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#21 0x00007f746ad95835 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#22 0x00007f746ad718cc in QSslSocket::startClientEncryption() () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#23 0x00007f746ad72578 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#24 0x00007f746ad7a379 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#25 0x00007f746d73b555 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f746ad44f09 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#27 0x00007f746ad47e78 in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#28 0x00007f746ad587ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Network.so.5
#29 0x00007f746f9e083c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f746f9e8104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f746d70c8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f746d7664ed in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f746760d417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f746760d650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f746d76588f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f746d52923a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f746973c6db in start_thread (arg=0x7f743a3d2700) at pthread_create.c:463
#41 0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f743b9c9700 (LWP 26451)):
#0  0x00007f746ce1ccb9 in __GI___poll (fds=0x7f7434004e10, nfds=1, timeout=9436) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f746760d5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f746d7658ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f746d52923a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f746973c6db in start_thread (arg=0x7f743b9c9700) at pthread_create.c:463
#8  0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f744572c700 (LWP 26450)):
#0  0x00007f7467653629 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f746760d5af in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f746d7658ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f746d52923a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f74709092a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f746973c6db in start_thread (arg=0x7f744572c700) at pthread_create.c:463
#9  0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f7454a9e700 (LWP 26449)):
#0  0x00007f746ce1ccb9 in __GI___poll (fds=0x7f7448004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f746760d5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f746d7658ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f746d52923a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f746e13f6f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f746973c6db in start_thread (arg=0x7f7454a9e700) at pthread_create.c:463
#9  0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f7455caf700 (LWP 26448)):
#0  0x00007f746ce1ccb9 in __GI___poll (fds=0x7f7450019120, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f746760d5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f746d7658ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f746d52923a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f746e91ad45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f746973c6db in start_thread (arg=0x7f7455caf700) at pthread_create.c:463
#9  0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f745f33b700 (LWP 26447)):
#0  0x00007f746ce1ccb9 in __GI___poll (fds=0x7f745f33aca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f74673a4747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f74673a636a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f74620e85e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f746d52e17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f746973c6db in start_thread (arg=0x7f745f33b700) at pthread_create.c:463
#6  0x00007f746ce2971f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f7471838800 (LWP 26446)):
[KCrash Handler]
#6  0x00007f746cd46fb7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f746cd48921 in __GI_abort () at abort.c:79
#8  0x00007f746d518fb7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f747096c2a7 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f747096d275 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f747096de9a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f746f2303d5 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f74709e26c5 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f746f9e083c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f746f9e8104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f746d70c8d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f746f22549f in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f746f2260dd in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f746f1fd2eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007f746214d260 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#21 0x00007f746760d417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f746760d650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f746760d6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f746d76588f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f746d70a90a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f746d7139b4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x000055b4ac2e7148 in  ()
#28 0x00007f746cd29bf7 in __libc_start_main (main=0x55b4ac2e6870, argc=1, argv=0x7fff5a3e05b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5a3e05a8) at ../csu/libc-start.c:310
#29 0x000055b4ac2e73ca in _start ()

Reported using DrKonqi