Application: plasmashell (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-2-amd64 x86_64
Distribution: Debian GNU/Linux testing (buster)

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

open plasmashell launcher menu, type "proj" => crash

sometimes it is enough to type "pro"

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f91608966c0 (LWP 5487))]

Thread 12 (Thread 0x7f907ffff700 (LWP 5501)):
#0  0x00007f91596df4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5567aa36f7d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f91596df4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5567aa36f780, cond=0x5567aa36f7a8) at pthread_cond_wait.c:502
#2  0x00007f91596df4ec in __pthread_cond_wait (cond=0x5567aa36f7a8, mutex=0x5567aa36f780) at pthread_cond_wait.c:655
#3  0x00007f915a522fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f90a4603745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f90a4607818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f90a46028fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f90a4607872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f90a46028fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f90a46056db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f91596d95aa in start_thread (arg=0x7f907ffff700) at pthread_create.c:463
#12 0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9084a62700 (LWP 5500)):
#0  0x00007f91596df4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5567aa36f7d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f91596df4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5567aa36f780, cond=0x5567aa36f7a8) at pthread_cond_wait.c:502
#2  0x00007f91596df4ec in __pthread_cond_wait (cond=0x5567aa36f7a8, mutex=0x5567aa36f780) at pthread_cond_wait.c:655
#3  0x00007f915a522fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f90a4603745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f90a4607818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f90a46028fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f90a4607872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f90a46028fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f90a46056db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f91596d95aa in start_thread (arg=0x7f9084a62700) at pthread_create.c:463
#12 0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9085263700 (LWP 5499)):
[KCrash Handler]
#6  0x00007f915a74cf80 in QVariant::QVariant(QVariant const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9097e97c8b in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#8  0x00007f9097e9553e in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlite.so
#9  0x00007f9158490304 in QSqlQuery::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#10 0x00007f90868f5ddc in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#11 0x00007f90868f814a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#12 0x00007f90868f331d in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#13 0x00007f90868f0f4d in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#14 0x00007f90868fa85a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/krunner_bookmarksrunner.so
#15 0x00007f90a50f3390 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#16 0x00007f90a4606fd8 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007f90a4605c40 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f90a460579d in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f91596d95aa in start_thread (arg=0x7f9085263700) at pthread_create.c:463
#21 0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9085a64700 (LWP 5498)):
#0  0x00007f91596df4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5567aa36f7d4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f91596df4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x5567aa36f780, cond=0x5567aa36f7a8) at pthread_cond_wait.c:502
#2  0x00007f91596df4ec in __pthread_cond_wait (cond=0x5567aa36f7a8, mutex=0x5567aa36f780) at pthread_cond_wait.c:655
#3  0x00007f915a522fbb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f90a4603745 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f90a4607818 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f90a46028fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f90a4607872 in  () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f90a46028fd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f90a46056db in ThreadWeaver::Thread::run() () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f91596d95aa in start_thread (arg=0x7f9085a64700) at pthread_create.c:463
#12 0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f908772c700 (LWP 5495)):
#0  0x00007f91596df81a in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f908772bc00, expected=0, futex_word=0x5567aa2c2950) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f91596df81a in __pthread_cond_wait_common (abstime=0x7f908772bcc0, mutex=0x5567aa2c2900, cond=0x5567aa2c2928) at pthread_cond_wait.c:533
#2  0x00007f91596df81a in __pthread_cond_timedwait (cond=0x5567aa2c2928, mutex=0x5567aa2c2900, abstime=0x7f908772bcc0) at pthread_cond_wait.c:667
#3  0x00007f915a522e78 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f915a51eebd in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f91596d95aa in start_thread (arg=0x7f908772c700) at pthread_create.c:463
#7  0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f90a7c93700 (LWP 5493)):
#0  0x00007f9159e1f5d9 in __GI___poll (fds=0x7f90a0005920, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9154771439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f915477154c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f915a7631bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f915a706b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f915a51c7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f915e267586 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f91596d95aa in start_thread (arg=0x7f90a7c93700) at pthread_create.c:463
#9  0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f913a406700 (LWP 5492)):
#0  0x00007f91596df4ec in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9160272fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f91596df4ec in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9160272f68, cond=0x7f9160272f90) at pthread_cond_wait.c:502
#2  0x00007f91596df4ec in __pthread_cond_wait (cond=0x7f9160272f90, mutex=0x7f9160272f68) at pthread_cond_wait.c:655
#3  0x00007f915ff7c6a4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f915ff7c6e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f91596d95aa in start_thread (arg=0x7f913a406700) at pthread_create.c:463
#6  0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f913bfff700 (LWP 5491)):
#0  0x00007ffe47fcbb62 in clock_gettime ()
#1  0x00007f9159e37696 in __GI___clock_gettime (clock_id=1, tp=0x7f913bffeab0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f915a762ad1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f915a761309 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f915a7618e5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f915a762f2e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9154770998 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f915477136b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f915477154c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f915a7631bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f915a706b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f915a51c7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f915d6b8885 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f91596d95aa in start_thread (arg=0x7f913bfff700) at pthread_create.c:463
#15 0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f914232d700 (LWP 5490)):
#0  0x00007f91547b6cf4 in g_mutex_unlock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f91547712ed in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f915477154c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f915a7631bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f915a706b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f915a51c7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f915d6b8885 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f91596d95aa in start_thread (arg=0x7f914232d700) at pthread_create.c:463
#9  0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9143d72700 (LWP 5489)):
#0  0x00007ffe47fcbb62 in clock_gettime ()
#1  0x00007f9159e37696 in __GI___clock_gettime (clock_id=1, tp=0x7f9143d71aa0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f915a762ad1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f915a761309 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f915a7618e5 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f915a762f2e in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9154770998 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f915477136b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f915477154c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f915a7631bb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f915a706b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f915a51c7ea in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f915ab86df5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f91596d95aa in start_thread (arg=0x7f9143d72700) at pthread_create.c:463
#15 0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f914a192700 (LWP 5488)):
#0  0x00007f9159e1f5d9 in __GI___poll (fds=0x7f914a191c68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f915ee9b0f7 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f915ee9cd1a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f914c0f2b19 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f915a521b4f in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f91596d95aa in start_thread (arg=0x7f914a192700) at pthread_create.c:463
#6  0x00007f9159e29cbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f91608966c0 (LWP 5487)):
#0  0x00007f914c145a74 in QXcbConnection::metaObject() const () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#1  0x00007f915a738134 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f915a76316e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f914c177201 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f915a706b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f915a70fed4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00005567a3fe7cfa in  ()
#7  0x00007f9159d54a87 in __libc_start_main (main=0x5567a3fe7320, argc=1, argv=0x7ffe47fa1e98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe47fa1e88) at ../csu/libc-start.c:310
#8  0x00005567a3fe809a in _start ()

Reported using DrKonqi