Application: plasma-discover (5.14.5)

Qt Version: 5.11.2
Frameworks Version: 5.54.0
Operating System: Linux 4.15.0-43-generic x86_64
Distribution: KDE neon User Edition 5.14

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

I click in system tray icon, which show me that updates is available.

The crash can be reproduced every time.

-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0a3a1f0200 (LWP 9354))]

Thread 12 (Thread 0x7f09ea840700 (LWP 9368)):
#0  0x00007f0a31e61ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f09ea83fc30, expected=0, futex_word=0x562de99a5390) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0a31e61ed9 in __pthread_cond_wait_common (abstime=0x7f09ea83fd00, mutex=0x562de99a5340, cond=0x562de99a5368) at pthread_cond_wait.c:533
#2  0x00007f0a31e61ed9 in __pthread_cond_timedwait (cond=0x562de99a5368, mutex=0x562de99a5340, abstime=0x7f09ea83fd00) at pthread_cond_wait.c:667
#3  0x00007f0a35e6b880 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0a35e6228d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a31e5b6db in start_thread (arg=0x7f09ea840700) at pthread_create.c:463
#7  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f09eb041700 (LWP 9367)):
#0  0x00007f0a35755bf9 in __GI___poll (fds=0x7f09e00018a0, nfds=1, timeout=125829) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0a2fcc0539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a3609004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a35e5fbba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0a31e5b6db in start_thread (arg=0x7f09eb041700) at pthread_create.c:463
#8  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f09f0ac3700 (LWP 9364)):
#0  0x00007f0a31e61ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f09f0ac2c30, expected=0, futex_word=0x7f09ec0033b0) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0a31e61ed9 in __pthread_cond_wait_common (abstime=0x7f09f0ac2d00, mutex=0x7f09ec003360, cond=0x7f09ec003388) at pthread_cond_wait.c:533
#2  0x00007f0a31e61ed9 in __pthread_cond_timedwait (cond=0x7f09ec003388, mutex=0x7f09ec003360, abstime=0x7f09f0ac2d00) at pthread_cond_wait.c:667
#3  0x00007f0a35e6b880 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0a35e6228d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a31e5b6db in start_thread (arg=0x7f09f0ac3700) at pthread_create.c:463
#7  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f09f12c4700 (LWP 9363)):
#0  0x00007f0a2fcbd49a in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0a2fcbf9d3 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc046b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0a3609004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a35e5fbba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0a31e5b6db in start_thread (arg=0x7f09f12c4700) at pthread_create.c:463
#9  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0a022ec700 (LWP 9361)):
#0  0x00007f0a2fd06064 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0a2fcbfa88 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc046b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0a3609004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a35e5fbba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0a31e5b6db in start_thread (arg=0x7f0a022ec700) at pthread_create.c:463
#9  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0a02aed700 (LWP 9360)):
#0  0x00007f0a357510b4 in __GI___libc_read (fd=16, buf=0x7f0a02aeccd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0a2fd04cd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc0027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a2fcc04e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0a2fcc08d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0a04b49026 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f0a2fce8105 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0a31e5b6db in start_thread (arg=0x7f0a02aed700) at pthread_create.c:463
#8  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0a032ee700 (LWP 9359)):
#0  0x00007f0a357510b4 in __GI___libc_read (fd=14, buf=0x7f0a032edce0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0a2fd04cd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc0027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a2fcc04e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0a2fcc0691 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0a2fce8105 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0a31e5b6db in start_thread (arg=0x7f0a032ee700) at pthread_create.c:463
#8  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0a0e5f3700 (LWP 9358)):
#0  0x00007f0a2fd06049 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0a2fcbf905 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc046b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0a3609004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a35e5fbba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0a3946f826 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0a31e5b6db in start_thread (arg=0x7f0a0e5f3700) at pthread_create.c:463
#10 0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0a21e97700 (LWP 9357)):
#0  0x00007f0a357510b4 in __GI___libc_read (fd=9, buf=0x7f0a21e96b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0a2fd04cd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc0027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a2fcc04e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0a3609004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0a35e5fbba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0a36a074f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0a31e5b6db in start_thread (arg=0x7f0a21e97700) at pthread_create.c:463
#11 0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0a230a8700 (LWP 9356)):
#0  0x00007f0a35755bf9 in __GI___poll (fds=0x7f0a14018ca0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0a2fcc0539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0a3609004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a35e5fbba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0a37d61e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0a31e5b6db in start_thread (arg=0x7f0a230a8700) at pthread_create.c:463
#9  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0a2777e700 (LWP 9355)):
#0  0x00007f0a35755bf9 in __GI___poll (fds=0x7f0a2777dca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0a2f3f5747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0a2f3f736a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0a2a73eed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0a35e6aadb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0a31e5b6db in start_thread (arg=0x7f0a2777e700) at pthread_create.c:463
#6  0x00007f0a3576288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0a3a1f0200 (LWP 9354)):
[KCrash Handler]
#6  0x00007f0a39108d62 in AbstractResource::reportNewState() () at /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#7  0x00007f0a3606518f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f09eb9e9cb5 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/fwupd-backend.so
#9  0x00007f09eb9ea4e7 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/fwupd-backend.so
#10 0x00007f09eb9eadc1 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/discover/fwupd-backend.so
#11 0x00007f0a3606518f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0a35e68223 in QFutureWatcherBase::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0a37651e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f0a376593ef in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f0a36035fe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f0a36038b2d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f0a360909f3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f0a2fcc0387 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f0a2fcc05c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f0a2fcc064c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f0a3609002f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f0a2a7ca761 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007f0a3603430a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f0a3603d4d0 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x0000562de523c868 in  ()
#26 0x00007f0a35662b97 in __libc_start_main (main=0x562de523bf90, argc=1, argv=0x7ffc952524d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc952524c8) at ../csu/libc-start.c:310
#27 0x0000562de523caea in _start ()

Reported using DrKonqi