Application: krunner (5.12.5)

Qt Version: 5.10.0
Frameworks Version: 5.46.0
Operating System: Linux 4.13.0-41-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed:
I was watching video on Youtube when i try run KRunner with alt + space.

The crash does not seem to be reproducible.

-- 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 0x7fdd332288c0 (LWP 1494))]

Thread 11 (Thread 0x7fdce858c700 (LWP 2231)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdd2f31c67b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0xf090e0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xf08db0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fdd0215378f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fdd02157868 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fdd021529ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fdd021553e0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fdd2f31b6eb in QThreadPrivate::start (arg=0x13736f0) at thread/qthread_unix.cpp:376
#8  0x00007fdd2cbe66ba in start_thread (arg=0x7fdce858c700) at pthread_create.c:333
#9  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fdce458c700 (LWP 2230)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdd2f31c67b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0xf090e0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xf08db0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fdd0215378f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fdd02157868 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fdd021529ed in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fdd021553e0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fdd2f31b6eb in QThreadPrivate::start (arg=0x1385dd0) at thread/qthread_unix.cpp:376
#8  0x00007fdd2cbe66ba in start_thread (arg=0x7fdce458c700) at pthread_create.c:333
#9  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fdce8d8d700 (LWP 2229)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdd2f31c67b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x7fdcdc020ea0) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7fdcdc008028, mutex=mutex@entry=0x7fdcdc008020, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fdd2f314fbb in QSemaphore::acquire (this=this@entry=0x7fdce8d8cba0, n=n@entry=1) at thread/qsemaphore.cpp:143
#4  0x00007fdd2f5256c6 in QMetaObject::activate (sender=0x146a610, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fdce8d8cc30) at kernel/qobject.cpp:3734
#5  0x00007fdd2f525d97 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fdcf3ffecc0 <PlacesRunner::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fdce8d8cc30) at kernel/qobject.cpp:3628
#6  0x00007fdcf3dfd62f in PlacesRunner::doMatch (this=<optimized out>, _t1=0x13fa920) at /workspace/build/obj-x86_64-linux-gnu/runners/places/moc_placesrunner.cpp:251
#7  0x00007fdd02379728 in Plasma::AbstractRunner::performMatch (this=0x146a610, localContext=...) at /workspace/build/src/abstractrunner.cpp:130
#8  0x00007fdd02157017 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fdd02155b40 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fdd02155330 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fdd2f31b6eb in QThreadPrivate::start (arg=0x1373b90) at thread/qthread_unix.cpp:376
#12 0x00007fdd2cbe66ba in start_thread (arg=0x7fdce8d8d700) at pthread_create.c:333
#13 0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fdce958e700 (LWP 2228)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdd2f31c67b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x7fdcd4003b90) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x7fdcd4003fc8, mutex=mutex@entry=0x7fdcd4003fc0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fdd2f314fbb in QSemaphore::acquire (this=this@entry=0x7fdce958dba0, n=n@entry=1) at thread/qsemaphore.cpp:143
#4  0x00007fdd2f5256c6 in QMetaObject::activate (sender=0x146a610, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fdce958dc30) at kernel/qobject.cpp:3734
#5  0x00007fdd2f525d97 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fdcf3ffecc0 <PlacesRunner::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fdce958dc30) at kernel/qobject.cpp:3628
#6  0x00007fdcf3dfd62f in PlacesRunner::doMatch (this=<optimized out>, _t1=0x153eb40) at /workspace/build/obj-x86_64-linux-gnu/runners/places/moc_placesrunner.cpp:251
#7  0x00007fdd02379728 in Plasma::AbstractRunner::performMatch (this=0x146a610, localContext=...) at /workspace/build/src/abstractrunner.cpp:130
#8  0x00007fdd02157017 in ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fdd02155b40 in ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&, ThreadWeaver::Thread*) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fdd02155330 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fdd2f31b6eb in QThreadPrivate::start (arg=0x130a220) at thread/qthread_unix.cpp:376
#12 0x00007fdd2cbe66ba in start_thread (arg=0x7fdce958e700) at pthread_create.c:333
#13 0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fdcfa19e700 (LWP 2176)):
#0  0x00007fdd2cbed303 in __GI___pthread_getspecific (key=<optimized out>) at pthread_getspecific.c:60
#1  0x00007fdd2a6db060 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd2a6b330c in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd2a6b4245 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdd2a6b4712 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdcfbb769d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fdd2a6dabb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fdd2cbe66ba in start_thread (arg=0x7fdcfa19e700) at pthread_create.c:333
#8  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fdcfa99f700 (LWP 2175)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:98
#1  0x00007fdd2ec1c759 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007fdd2a6b438c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd2a6b449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fdd2a6b44d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fdd2a6dabb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fdd2cbe66ba in start_thread (arg=0x7fdcfa99f700) at pthread_create.c:333
#7  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fdd0a9cb700 (LWP 1556)):
#0  0x00007fdd2ec1c74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdd2a6b438c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd2a6b449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd2f54f5cb in QEventDispatcherGlib::processEvents (this=0x7fdd040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd2f4f664a in QEventLoop::exec (this=this@entry=0x7fdd0a9cace0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fdd2f316554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007fdd31eb5a35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fdd2f31b6eb in QThreadPrivate::start (arg=0xe613c0) at thread/qthread_unix.cpp:376
#8  0x00007fdd2cbe66ba in start_thread (arg=0x7fdd0a9cb700) at pthread_create.c:333
#9  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fdd0c032700 (LWP 1528)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdd158d648b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fdd158d6397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fdd2cbe66ba in start_thread (arg=0x7fdd0c032700) at pthread_create.c:333
#4  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fdd0ca45700 (LWP 1527)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdd158d648b in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007fdd158d6397 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007fdd2cbe66ba in start_thread (arg=0x7fdd0ca45700) at pthread_create.c:333
#4  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fdd16c04700 (LWP 1512)):
#0  0x00007fdd2ec1c74d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdd2a6b438c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdd2a6b449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdd2f54f5cb in QEventDispatcherGlib::processEvents (this=0x7fdd100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fdd2f4f664a in QEventLoop::exec (this=this@entry=0x7fdd16c03cd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fdd2f316554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#6  0x00007fdd30e2f2c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fdd2f31b6eb in QThreadPrivate::start (arg=0x7fdd310a3d60) at thread/qthread_unix.cpp:376
#8  0x00007fdd2cbe66ba in start_thread (arg=0x7fdd16c04700) at pthread_create.c:333
#9  0x00007fdd2ec2841d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fdd332288c0 (LWP 1494)):
[KCrash Handler]
#6  std::__atomic_base<QReadWriteLockPrivate*>::compare_exchange_strong (__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=0x1, __p1=@0x7ffe37951480: 0x0, this=0x64006400610067) at /usr/include/c++/5/bits/atomic_base.h:752
#7  std::atomic<QReadWriteLockPrivate*>::compare_exchange_strong (__m2=std::memory_order_acquire, __m1=std::memory_order_acquire, __p2=0x1, __p1=@0x7ffe37951480: 0x0, this=0x64006400610067) at /usr/include/c++/5/atomic:462
#8  QAtomicOps<QReadWriteLockPrivate*>::testAndSetAcquire<QReadWriteLockPrivate*> (currentValue=0x0, newValue=0x1, expectedValue=0x0, _q_value=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:290
#9  QBasicAtomicPointer<QReadWriteLockPrivate>::testAndSetAcquire (newValue=0x1, expectedValue=0x0, this=0x64006400610067) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:253
#10 QReadWriteLock::lockForRead (this=0x64006400610067) at thread/qreadwritelock.cpp:177
#11 0x00007fdd02389fe1 in Plasma::RunnerContext::isValid (this=this@entry=0x1374ea0) at /workspace/build/src/runnercontext.cpp:384
#12 0x00007fdd0238c099 in Plasma::RunnerContext::addMatch (this=0x1374ea0, match=...) at /workspace/build/src/runnercontext.cpp:425
#13 0x00007fdd0237eee9 in DBusRunner::<lambda()>::operator()(void) const (__closure=<optimized out>) at /workspace/build/src/dbusrunner.cpp:161
#14 0x00007fdd2f5264c9 in QObject::event (this=0x148a840, e=<optimized out>) at kernel/qobject.cpp:1246
#15 0x00007fdd304cbacc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x148a840, e=0x7fdcd4003700) at kernel/qapplication.cpp:3732
#16 0x00007fdd304d3417 in QApplication::notify (this=0x7ffe37951c80, receiver=0x148a840, e=0x7fdcd4003700) at kernel/qapplication.cpp:3491
#17 0x00007fdd2f4f83c8 in QCoreApplication::notifyInternal2 (receiver=0x148a840, event=event@entry=0x7fdcd4003700) at kernel/qcoreapplication.cpp:1044
#18 0x00007fdd2f4fafcb in QCoreApplication::sendEvent (event=0x7fdcd4003700, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xbded50) at kernel/qcoreapplication.cpp:1719
#20 0x00007fdd2f4fb438 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1573
#21 0x00007fdd2f54ffa3 in postEventSourceDispatch (s=0xc30eb0) at kernel/qeventdispatcher_glib.cpp:276
#22 0x00007fdd2a6b4197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fdd2a6b43f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fdd2a6b449c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fdd2f54f5af in QEventDispatcherGlib::processEvents (this=this@entry=0xc328f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#26 0x00007fdd1f6571a1 in QPAEventDispatcherGlib::processEvents (this=0xc328f0, flags=...) at qeventdispatcher_glib.cpp:69
#27 0x00007fdd2f4f664a in QEventLoop::exec (this=this@entry=0x7ffe37951bb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#28 0x00007fdd2f4ff854 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1332
#29 0x00007fdd2fa8883c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1687
#30 0x00007fdd304cba25 in QApplication::exec () at kernel/qapplication.cpp:2917
#31 0x0000000000406526 in main (argc=1, argv=<optimized out>) at /workspace/build/krunner/main.cpp:92

Possible duplicates by query: bug 393189.

Reported using DrKonqi