Bug 395597

Summary: krunner crashed unexpectedly
Product: [Plasma] krunner Reporter: Eugene <ken20001>
Component: generalAssignee: Kai Uwe Broulik <kde>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: 5.12.5   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Eugene 2018-06-19 07:11:24 UTC 
Application: krunner (5.12.5)

Qt Version: 5.9.5
Frameworks Version: 5.46.0
Operating System: Linux 4.17.1-041701-generic x86_64
Distribution: Ubuntu 18.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Just started an application then tried to start another one when krunner krashed.

-- Backtrace:
Application: krunner (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc81ec2f800 (LWP 1954))]

Thread 16 (Thread 0x7fc7b7fff700 (LWP 19207)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c5f1cc2210) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55c5f1d555f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc7e5ed4ad5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fc7e5ed8ba8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fc7e5ed3c8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fc7e5ed6a6b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x7fc7b8003ce0) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 15 (Thread 0x7fc7d0beb700 (LWP 19206)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c5f1cc2210) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55c5f1d555f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc7e5ed4ad5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fc7e5ed8ba8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fc7e5ed3c8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fc7e5ed6a6b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x7fc7c4004580) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 14 (Thread 0x7fc7d13ec700 (LWP 19205)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x7fc7b0057830) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7fc7b00913e8, mutex=mutex@entry=0x7fc7b00913e0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc81ace4c0b in QSemaphore::acquire (this=this@entry=0x7fc7d13ebc30, n=n@entry=1) at thread/qsemaphore.cpp:143
#4  0x00007fc81aef88c8 in QMetaObject::activate (sender=0x55c5f22cf650, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fc7d13ebcc0) at kernel/qobject.cpp:3735
#5  0x00007fc81aef8c87 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fc7df399ce0 <PlacesRunner::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fc7d13ebcc0) at kernel/qobject.cpp:3629
#6  0x00007fc7df1985bf in PlacesRunner::doMatch (this=<optimized out>, _t1=<optimized out>) at ./obj-x86_64-linux-gnu/runners/places/krunner_placesrunner_autogen/EWIEGA46WW/moc_placesrunner.cpp:251
#7  0x00007fc7e60f7680 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#8  0x00007fc7e5ed8368 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fc7e5ed6fd0 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc7e5ed6b2d in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fc81aceb16d in QThreadPrivate::start (arg=0x55c5f22722f0) at thread/qthread_unix.cpp:368
#12 0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 13 (Thread 0x7fc7d1bed700 (LWP 19204)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c5f1cc2210) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55c5f1d555f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc7e5ed4ad5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fc7e5ed8ba8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fc7e5ed3c8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fc7e5ed6a6b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x7fc7c0003cf0) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 12 (Thread 0x7fc7d23ee700 (LWP 19203)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c5f1cc2210) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55c5f1d555f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc7e5ed4ad5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fc7e5ed8ba8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fc7e5ed3c8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fc7e5ed6a6b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x7fc7c8003ce0) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 11 (Thread 0x7fc7d2bef700 (LWP 19202)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x7fc7c4033380) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7fc7c406f8b8, mutex=mutex@entry=0x7fc7c406f8b0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc81ace4c0b in QSemaphore::acquire (this=this@entry=0x7fc7d2beec30, n=n@entry=1) at thread/qsemaphore.cpp:143
#4  0x00007fc81aef88c8 in QMetaObject::activate (sender=0x55c5f22cf650, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fc7d2beecc0) at kernel/qobject.cpp:3735
#5  0x00007fc81aef8c87 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fc7df399ce0 <PlacesRunner::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fc7d2beecc0) at kernel/qobject.cpp:3629
#6  0x00007fc7df1985bf in PlacesRunner::doMatch (this=<optimized out>, _t1=<optimized out>) at ./obj-x86_64-linux-gnu/runners/places/krunner_placesrunner_autogen/EWIEGA46WW/moc_placesrunner.cpp:251
#7  0x00007fc7e60f7680 in Plasma::AbstractRunner::performMatch(Plasma::RunnerContext&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#8  0x00007fc7e5ed8368 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fc7e5ed6fd0 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fc7e5ed6b2d in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fc81aceb16d in QThreadPrivate::start (arg=0x55c5f22469c0) at thread/qthread_unix.cpp:368
#12 0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 10 (Thread 0x7fc7d33f0700 (LWP 19201)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c5f1cc2210) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55c5f1d555f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc7e5ed4ad5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fc7e5ed8ba8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fc7e5ed3c8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fc7e5ed6a6b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x55c5f23c8590) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 9 (Thread 0x7fc7d3bf1700 (LWP 19200)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc81acec59b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x55c5f1cc2210) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55c5f1d555f0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fc7e5ed4ad5 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fc7e5ed8ba8 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fc7e5ed3c8d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fc7e5ed6a6b in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x55c5f222c340) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 8 (Thread 0x7fc7db66b700 (LWP 19195)):
#0  0x00007fc8161bb2e7 in g_thread_self () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc8161922cc in g_main_context_acquire () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc8161932f5 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc8161937d2 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc7dd4a9e76 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007fc8161bae05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 7 (Thread 0x7fc7dbe6c700 (LWP 19194)):
#0  0x00007fc8161d8cf4 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc8161933f6 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc81619354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc816193591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc8161bae05 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7fc7f5170700 (LWP 1975)):
#0  0x00007fc81a5d4bf9 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fc816193439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc81619354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc81af2290b in QEventDispatcherGlib::processEvents (this=0x7fc7ec000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fc81aec79ea in QEventLoop::exec (this=this@entry=0x7fc7f516fd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fc81ace622a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fc81d88a6f5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x55c5f1d887a0) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7fc7f6631700 (LWP 1974)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc7fb460b7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fc7fb4608a7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7fc7f745a700 (LWP 1973)):
#0  0x00007fc8184fa9f3 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007fc7fb460b7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fc7fb4608a7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7fc8027b0700 (LWP 1970)):
#0  0x00007fc816192b89 in g_main_context_query () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc8161933b7 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc81619354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc81af2290b in QEventDispatcherGlib::processEvents (this=0x7fc7fc000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fc81aec79ea in QEventLoop::exec (this=this@entry=0x7fc8027afd70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fc81ace622a in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fc81c82cd45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x7fc81ca9fd60) at thread/qthread_unix.cpp:368
#8  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7fc8093f5700 (LWP 1962)):
#0  0x00007fc81a5d4bf9 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007fc8199e6747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc8199e836a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc80bf9e2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fc81aceb16d in QThreadPrivate::start (arg=0x55c5f1a8e3e0) at thread/qthread_unix.cpp:368
#5  0x00007fc8184f46db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007fc81a5e188f in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7fc81ec2f800 (LWP 1954)):
[KCrash Handler]
#6  0x00007fc81ace2a7c in std::__atomic_base<QMutexData*>::compare_exchange_strong (__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=<optimized out>, __p1=<synthetic pointer>: <optimized out>, this=0x7fc7e631ea10 <vtable for Plasma::RunnerManager+40>) at /usr/include/c++/7/bits/atomic_base.h:752
#7  std::atomic<QMutexData*>::compare_exchange_strong (__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=<optimized out>, __p1=<synthetic pointer>: <optimized out>, this=0x7fc7e631ea10 <vtable for Plasma::RunnerManager+40>) at /usr/include/c++/7/atomic:498
#8  QAtomicOps<QMutexData*>::testAndSetAcquire<QMutexData*> (currentValue=0x0, newValue=<optimized out>, expectedValue=0x0, _q_value=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:290
#9  QBasicAtomicPointer<QMutexData>::testAndSetAcquire (newValue=<optimized out>, expectedValue=0x0, this=0x7fc7e631ea10 <vtable for Plasma::RunnerManager+40>) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:253
#10 QBasicMutex::fastTryLock (this=0x7fc7e631ea10 <vtable for Plasma::RunnerManager+40>) at thread/qmutex.h:95
#11 QBasicMutex::lock (this=0x7fc7e631ea10 <vtable for Plasma::RunnerManager+40>) at thread/qmutex.h:72
#12 QRecursiveMutexPrivate::lock (this=0x7fc7e631e9f8 <vtable for Plasma::RunnerManager+16>, timeout=timeout@entry=-1) at thread/qmutex.cpp:708
#13 0x00007fc81ace29b6 in QMutex::lock (this=this@entry=0x55c5f1ca1c30) at thread/qmutex.cpp:227
#14 0x00007fc81ace31ad in QMutexLocker::QMutexLocker (m=0x55c5f1ca1c30, this=<synthetic pointer>) at thread/qmutex.h:200
#15 QReadWriteLockPrivate::recursiveLockForRead (this=this@entry=0x55c5f1ca1c30, timeout=timeout@entry=-1) at thread/qreadwritelock.cpp:540
#16 0x00007fc81ace3d42 in QReadWriteLock::tryLockForRead (this=0x55c5f22c0398, timeout=-1) at thread/qreadwritelock.cpp:264
#17 0x00007fc7e6108661 in Plasma::RunnerContext::isValid() const () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#18 0x00007fc7e610a6b9 in Plasma::RunnerContext::addMatch(Plasma::QueryMatch const&) () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#19 0x00007fc7e60fda5a in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Runner.so.5
#20 0x00007fc81aef9122 in QObject::event (this=0x55c5f222d350, e=<optimized out>) at kernel/qobject.cpp:1247
#21 0x00007fc81bed982c in QApplicationPrivate::notify_helper (this=this@entry=0x55c5f1a69f60, receiver=receiver@entry=0x55c5f222d350, e=e@entry=0x7fc7cacf2e80) at kernel/qapplication.cpp:3722
#22 0x00007fc81bee10f4 in QApplication::notify (this=0x7ffe30e33590, receiver=0x55c5f222d350, e=0x7fc7cacf2e80) at kernel/qapplication.cpp:3481
#23 0x00007fc81aec99a8 in QCoreApplication::notifyInternal2 (receiver=0x55c5f222d350, event=event@entry=0x7fc7cacf2e80) at kernel/qcoreapplication.cpp:1024
#24 0x00007fc81aecc11d in QCoreApplication::sendEvent (event=0x7fc7cacf2e80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x55c5f1a68150) at kernel/qcoreapplication.cpp:1699
#26 0x00007fc81aecc6a8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1553
#27 0x00007fc81af232c3 in postEventSourceDispatch (s=0x55c5f1acbda0) at kernel/qeventdispatcher_glib.cpp:276
#28 0x00007fc816193287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fc8161934c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fc81619354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007fc81af228ef in QEventDispatcherGlib::processEvents (this=0x55c5f1ad7070, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#32 0x00007fc81aec79ea in QEventLoop::exec (this=this@entry=0x7ffe30e334e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#33 0x00007fc81aed0a84 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1297
#34 0x000055c5efdb2881 in main (argc=<optimized out>, argv=<optimized out>) at ./krunner/main.cpp:92

Possible duplicates by query: bug 394320.

Reported using DrKonqi
Comment 1 Kai Uwe Broulik 2018-06-27 14:48:43 UTC 

*** This bug has been marked as a duplicate of bug 394272 ***