Application: krunner (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.3-200.fc28.x86_64 x86_64
Distribution: "Fedora release 28 (Twenty Eight)"

-- Information about the crash:
- What I was doing when the application crashed:
firefox loaded - 5 windows, with telegram loaded as well.
called krunner with alt + f2, started to type part of the command (steam, typed stea), auto complete showed the proper command, pressed enter and it crashed.

The crash can be reproduced sometimes.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7cc8de2940 (LWP 1758))]

Thread 21 (Thread 0x7f7c567fc700 (LWP 6169)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f7c56ffd700 (LWP 6168)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f7c577fe700 (LWP 6167)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f7c57fff700 (LWP 6166)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f7c74ff9700 (LWP 6165)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f7c757fa700 (LWP 6164)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f7c75ffb700 (LWP 6163)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#9  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#10 0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#11 0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#12 0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#13 0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f7c767fc700 (LWP 6162)):
[KCrash Handler]
#6  0x00007f7c98d51874 in sqlite3MemSize () at /lib64/libsqlite3.so.0
#7  0x00007f7c98d5b8f9 in sqlite3_free () at /lib64/libsqlite3.so.0
#8  0x00007f7c98d65b2c in whereLoopClear () at /lib64/libsqlite3.so.0
#9  0x00007f7c98d6fd0b in whereInfoFree () at /lib64/libsqlite3.so.0
#10 0x00007f7c98db454f in sqlite3Select () at /lib64/libsqlite3.so.0
#11 0x00007f7c98de7356 in sqlite3RunParser () at /lib64/libsqlite3.so.0
#12 0x00007f7c98debd40 in sqlite3Prepare () at /lib64/libsqlite3.so.0
#13 0x00007f7c98dec286 in sqlite3LockAndPrepare () at /lib64/libsqlite3.so.0
#14 0x00007f7c98ded2d6 in sqlite3Prepare16 () at /lib64/libsqlite3.so.0
#15 0x00007f7ca00084fb in QSQLiteResult::prepare(QString const&) () at /usr/lib64/qt5/plugins/sqldrivers/libqsqlite.so
#16 0x00007f7cdb8e1958 in QSqlResult::savePrepare(QString const&) () at /lib64/libQt5Sql.so.5
#17 0x00007f7cdb8d1e20 in QSqlQuery::prepare(QString const&) () at /lib64/libQt5Sql.so.5
#18 0x00007f7c9504f4a6 in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#19 0x00007f7c9505885d in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#20 0x00007f7c950565eb in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#21 0x00007f7caa067598 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /lib64/libKF5Runner.so.5
#22 0x00007f7ca9e41f3c in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#23 0x00007f7ca9e40d64 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#24 0x00007f7ca9e40803 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#25 0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#26 0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#27 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f7c76ffd700 (LWP 6161)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f7c777fe700 (LWP 6160)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f7c77fff700 (LWP 6159)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f7c8c99d700 (LWP 6158)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f7c8d19e700 (LWP 6157)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f7c8d99f700 (LWP 6156)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7ca9e3e730 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /lib64/libKF5ThreadWeaver.so.5
#3  0x00007f7ca9e4286c in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#4  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#5  0x00007f7ca9e428ca in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#6  0x00007f7ca9e3d7c1 in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /lib64/libKF5ThreadWeaver.so.5
#7  0x00007f7ca9e40751 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f7c8e1a0700 (LWP 6155)):
#0  0x00007f7cd3a327fd in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007f7cd3a2bcf4 in pthread_mutex_lock () at /lib64/libpthread.so.0
#2  0x00007f7c98d5b8f0 in sqlite3_free () at /lib64/libsqlite3.so.0
#3  0x00007f7c98d5bd99 in vdbeMemClear () at /lib64/libsqlite3.so.0
#4  0x00007f7c98d7e10c in sqlite3VdbeMemTranslate () at /lib64/libsqlite3.so.0
#5  0x00007f7c98d8330a in valueToText () at /lib64/libsqlite3.so.0
#6  0x00007f7c98d8337d in valueBytes () at /lib64/libsqlite3.so.0
#7  0x00007f7c98d8343a in sqlite3_column_bytes16 () at /lib64/libsqlite3.so.0
#8  0x00007f7ca000b38f in QSQLiteResultPrivate::fetchNext(QVector<QVariant>&, int, bool) () at /usr/lib64/qt5/plugins/sqldrivers/libqsqlite.so
#9  0x00007f7cdb8e42d0 in QSqlCachedResult::cacheNext() () at /lib64/libQt5Sql.so.5
#10 0x00007f7cdb8cecae in QSqlQuery::next() () at /lib64/libQt5Sql.so.5
#11 0x00007f7c9504f6cd in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#12 0x00007f7c9505885d in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#13 0x00007f7c950565eb in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#14 0x00007f7caa067598 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /lib64/libKF5Runner.so.5
#15 0x00007f7ca9e41f3c in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#16 0x00007f7ca9e40d64 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#17 0x00007f7ca9e40803 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#18 0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#19 0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#20 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f7c8e9a1700 (LWP 6154)):
#0  0x00007f7cd3a327fd in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007f7cd3a2bcf4 in pthread_mutex_lock () at /lib64/libpthread.so.0
#2  0x00007f7c98d5b8f0 in sqlite3_free () at /lib64/libsqlite3.so.0
#3  0x00007f7c98d7c29e in sqlite3VdbeMemGrow () at /lib64/libsqlite3.so.0
#4  0x00007f7c98dd6861 in sqlite3VdbeExec () at /lib64/libsqlite3.so.0
#5  0x00007f7c98dd7940 in sqlite3_step () at /lib64/libsqlite3.so.0
#6  0x00007f7ca000ac96 in QSQLiteResultPrivate::fetchNext(QVector<QVariant>&, int, bool) () at /usr/lib64/qt5/plugins/sqldrivers/libqsqlite.so
#7  0x00007f7ca000c49d in QSQLiteResult::exec() () at /usr/lib64/qt5/plugins/sqldrivers/libqsqlite.so
#8  0x00007f7cdb8cf2c8 in QSqlQuery::exec() () at /lib64/libQt5Sql.so.5
#9  0x00007f7c9504f6a2 in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#10 0x00007f7c9504fa30 in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#11 0x00007f7c9504b7ce in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#12 0x00007f7c95047fed in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#13 0x00007f7c950566b7 in  () at /usr/lib64/qt5/plugins/krunner_bookmarksrunner.so
#14 0x00007f7caa067598 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () at /lib64/libKF5Runner.so.5
#15 0x00007f7ca9e41f3c in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#16 0x00007f7ca9e40d64 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () at /lib64/libKF5ThreadWeaver.so.5
#17 0x00007f7ca9e40803 in ThreadWeaver::Thread::run() () at /lib64/libKF5ThreadWeaver.so.5
#18 0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#19 0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#20 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f7ca0895700 (LWP 6150)):
#0  0x00007f7cd7066a39 in syscall () at /lib64/libc.so.6
#1  0x00007f7cb83de415 in  () at /lib64/libGLX_nvidia.so.0
#2  0x00007f7cb83de0a3 in  () at /lib64/libGLX_nvidia.so.0
#3  0x00007f7cb2b543fb in  () at /lib64/libnvidia-glcore.so.390.67
#4  0x00007f7cb2b016dc in  () at /lib64/libnvidia-glcore.so.390.67
#5  0x00007f7cb2a2267e in  () at /lib64/libnvidia-glcore.so.390.67
#6  0x00007f7cb83dcdc1 in  () at /lib64/libGLX_nvidia.so.0
#7  0x00007f7cdba2807a in QGLXContext::swapBuffers(QPlatformSurface*) () at /usr/lib64/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#8  0x00007f7cd8290e88 in QOpenGLContext::swapBuffers(QSurface*) () at /lib64/libQt5Gui.so.5
#9  0x00007f7cda708905 in QSGRenderThread::syncAndRender() () at /lib64/libQt5Quick.so.5
#10 0x00007f7cda70d910 in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#11 0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#12 0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#13 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f7cb082e700 (LWP 1991)):
#0  0x00007f7cced6f4b8 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f7cced28b0e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f7cced28d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f7cd7f2dc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f7cd7edc12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f7cd7d2a9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f7cda41b339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f7cb3fff700 (LWP 1920)):
#0  0x00007f7cced6f4b8 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f7cced283c3 in g_main_context_query () at /lib64/libglib-2.0.so.0
#2  0x00007f7cced28b67 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f7cced28d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f7cd7f2dc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f7cd7edc12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f7cd7d2a9c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f7cdb976299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#8  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f7cba52f700 (LWP 1784)):
#0  0x00007f7cd70615a9 in poll () at /lib64/libc.so.6
#1  0x00007f7cd60cf04f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f7cd60d0caa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f7cbc4a24d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f7cd7d2f11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f7cd3a29594 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f7cd706c02f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f7cc8de2940 (LWP 1758)):
#0  0x00007f7cd3a2f52c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7cd7d2f83b in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#2  0x00007f7cda709b47 in QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool) () at /lib64/libQt5Quick.so.5
#3  0x00007f7cda70a9d2 in QSGThreadedRenderLoop::handleUpdateRequest(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#4  0x00007f7cda76f986 in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5
#5  0x00007f7cdb5dba4b in PlasmaQuick::Dialog::event(QEvent*) () at /lib64/libKF5PlasmaQuick.so.5
#6  0x0000556a5a986173 in  ()
#7  0x00007f7cd8a3fe95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#8  0x00007f7cd8a4783a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#9  0x00007f7cd7edd376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#10 0x00007f7cd8265965 in QWindowPrivate::deliverUpdateRequest() () at /lib64/libQt5Gui.so.5
#11 0x00007f7cd8265e99 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5
#12 0x00007f7cda76f8df in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5
#13 0x00007f7cdb5dba4b in PlasmaQuick::Dialog::event(QEvent*) () at /lib64/libKF5PlasmaQuick.so.5
#14 0x0000556a5a986173 in  ()
#15 0x00007f7cd8a3fe95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007f7cd8a4783a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#17 0x00007f7cd7edd376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#18 0x00007f7cd7f2cf19 in QTimerInfoList::activateTimers() () at /lib64/libQt5Core.so.5
#19 0x00007f7cd7f2d804 in idleTimerSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#20 0x00007f7cced288ad in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#21 0x00007f7cced28c78 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#22 0x00007f7cced28d10 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#23 0x00007f7cd7f2dc2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#24 0x00007f7cbc530065 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#25 0x00007f7cd7edc12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#26 0x00007f7cd7ee45b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#27 0x0000556a5a9839c0 in  ()
#28 0x00007f7cd6f9518b in __libc_start_main () at /lib64/libc.so.6
#29 0x0000556a5a983a4a in _start ()

Reported using DrKonqi