Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-80-generic x86_64
Distribution: Ubuntu 16.04.2 LTS

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

1. Opened the K-Menu
2. Started to type application name to find it quickly
3. Kicker crashed

The crash can be reproduced sometimes.

-- 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 0x7ff2477a58c0 (LWP 4243))]

Thread 13 (Thread 0x7ff168626700 (LWP 3138)):
[KCrash Handler]
#6  __memcpy_sse2_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:82
#7  0x00007ff2425b84e0 in memcpy (__len=1751274720, __src=0x7ff168625510, __dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:53
#8  QByteArray::QByteArray (this=0x7ff168625410, data=0x7ff168625510 "`\334\001p\361\177", size=1751274720) at tools/qbytearray.cpp:1452
#9  0x00007ff16a360917 in DBPostingIterator::DBPostingIterator (this=0x7ff17004c160, data=<optimized out>, size=<optimized out>) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/engine/postingdb.cpp:177
#10 0x00007ff16a3609f1 in Baloo::PostingDB::iter (this=this@entry=0x7ff168625500, term=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/engine/postingdb.cpp:169
#11 0x00007ff16a3698bb in Baloo::Transaction::postingIterator (this=this@entry=0x7ff168625900, query=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/engine/transaction.cpp:294
#12 0x00007ff16a7b0a4c in Baloo::SearchStore::constructQuery (this=this@entry=0x7ff1686259f0, tr=tr@entry=0x7ff168625900, term=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:189
#13 0x00007ff16a7b0bfa in Baloo::SearchStore::constructQuery (this=this@entry=0x7ff1686259f0, tr=tr@entry=0x7ff168625900, term=...) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:163
#14 0x00007ff16a7b1bcc in Baloo::SearchStore::exec (this=this@entry=0x7ff1686259f0, term=..., offset=0, limit=10, sortResults=<optimized out>) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/searchstore.cpp:75
#15 0x00007ff16a7a0bc2 in Baloo::Query::exec (this=this@entry=0x7ff168625aa0) at /build/baloo-kf5-wIK3t6/baloo-kf5-5.18.0/src/lib/query.cpp:210
#16 0x00007ff16a9c1f2f in SearchRunner::match (this=this@entry=0x88cc310, context=..., type=..., category=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:98
#17 0x00007ff16a9c2879 in SearchRunner::match (this=0x88cc310, context=...) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/runners/baloo/baloosearchrunner.cpp:160
#18 0x00007ff187990540 in Plasma::AbstractRunner::performMatch (this=0x88cc310, localContext=...) at ../../src/abstractrunner.cpp:131
#19 0x00007ff187100c90 in ThreadWeaver::Executor::run (this=<optimized out>, job=..., thread=<optimized out>) at ../../src/executor.cpp:52
#20 0x00007ff1870ff7e0 in ThreadWeaver::Job::execute (this=<optimized out>, self=..., th=0x836b910) at ../../src/job.cpp:83
#21 0x00007ff1870ff28a in ThreadWeaver::Thread::run (this=0x836b910) at ../../src/thread.cpp:114
#22 0x00007ff2425b47be in QThreadPrivate::start (arg=0x836b910) at thread/qthread_unix.cpp:331
#23 0x00007ff2416a16ba in start_thread (arg=0x7ff168626700) at pthread_create.c:333
#24 0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7ff168e27700 (LWP 3137)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff2425b5a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x82dcc60) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x9e23cd0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007ff1870fc50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x88d5910, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007ff1870fd2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x88d5910, th=th@entry=0x836aa00, threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007ff1871014e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9aca4d0, th=0x836aa00, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007ff1870fc46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x836aa00, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007ff1870ff353 in ThreadWeaver::Thread::run (this=0x836aa00) at ../../src/thread.cpp:103
#8  0x00007ff2425b47be in QThreadPrivate::start (arg=0x836aa00) at thread/qthread_unix.cpp:331
#9  0x00007ff2416a16ba in start_thread (arg=0x7ff168e27700) at pthread_create.c:333
#10 0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7ff169628700 (LWP 3136)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff2425b5a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x82dcc60) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x9e23cd0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007ff1870fc50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x88d5910, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007ff1870fd2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x88d5910, th=th@entry=0x836a560, threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007ff1871014e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9aca4d0, th=0x836a560, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007ff1870fc46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x836a560, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007ff1870ff353 in ThreadWeaver::Thread::run (this=0x836a560) at ../../src/thread.cpp:103
#8  0x00007ff2425b47be in QThreadPrivate::start (arg=0x836a560) at thread/qthread_unix.cpp:331
#9  0x00007ff2416a16ba in start_thread (arg=0x7ff169628700) at pthread_create.c:333
#10 0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7ff174f21700 (LWP 3135)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff2425b5a5b in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x82dcc60) at thread/qwaitcondition_unix.cpp:136
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x9e23cd0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
#3  0x00007ff1870fc50b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked (this=this@entry=0x88d5910, th=<optimized out>) at ../../src/weaver.cpp:594
#4  0x00007ff1870fd2bf in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait (this=0x88d5910, th=th@entry=0x836a780, threadWasBusy=threadWasBusy@entry=true, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ../../src/weaver.cpp:554
#5  0x00007ff1871014e8 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9aca4d0, th=0x836a780, wasBusy=<optimized out>) at ../../src/workinghardstate.cpp:66
#6  0x00007ff1870fc46d in ThreadWeaver::Weaver::applyForWork (this=<optimized out>, th=0x836a780, wasBusy=<optimized out>) at ../../src/weaver.cpp:568
#7  0x00007ff1870ff353 in ThreadWeaver::Thread::run (this=0x836a780) at ../../src/thread.cpp:103
#8  0x00007ff2425b47be in QThreadPrivate::start (arg=0x836a780) at thread/qthread_unix.cpp:331
#9  0x00007ff2416a16ba in start_thread (arg=0x7ff174f21700) at pthread_create.c:333
#10 0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7ff181f6c700 (LWP 4424)):
#0  0x00007ff241ebeb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff23ec5338c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff23ec5349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2427eb7eb in QEventDispatcherGlib::processEvents (this=0x7ff17c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff242792b4a in QEventLoop::exec (this=this@entry=0x7ff181f6bcc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff2425af834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007ff18444a7d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007ff2425b47be in QThreadPrivate::start (arg=0x31a28b0) at thread/qthread_unix.cpp:331
#8  0x00007ff2416a16ba in start_thread (arg=0x7ff181f6c700) at pthread_create.c:333
#9  0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7ff18d73a700 (LWP 4342)):
#0  0x00007ff2425ac969 in QMutex::lock (this=this@entry=0x151c528) at thread/qmutex.cpp:218
#1  0x00007ff2427ead6f in QMutexLocker::QMutexLocker (m=0x151c528, this=<synthetic pointer>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:128
#2  QThreadData::canWaitLocked (this=0x151c500) at ../../include/QtCore/5.5.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:240
#3  postEventSourcePrepare (s=0x7ff1880012d0, timeout=0x7ff18d739ad4) at kernel/qeventdispatcher_glib.cpp:254
#4  0x00007ff23ec5291d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff23ec532bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ff23ec5349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ff2427eb7eb in QEventDispatcherGlib::processEvents (this=0x7ff1880008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007ff242792b4a in QEventLoop::exec (this=this@entry=0x7ff18d739c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007ff2425af834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#10 0x00007ff2457dded6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007ff2425b47be in QThreadPrivate::start (arg=0x1438160) at thread/qthread_unix.cpp:331
#12 0x00007ff2416a16ba in start_thread (arg=0x7ff18d73a700) at pthread_create.c:333
#13 0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7ff215557700 (LWP 4318)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff2471fcbd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007ff2471fcc19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007ff2416a16ba in start_thread (arg=0x7ff215557700) at pthread_create.c:333
#4  0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7ff216e3e700 (LWP 4303)):
#0  0x00007ff23ec52929 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff23ec532bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff23ec5349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2427eb7eb in QEventDispatcherGlib::processEvents (this=0x7ff2100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff242792b4a in QEventLoop::exec (this=this@entry=0x7ff216e3dce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff2425af834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007ff244e573c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ff2425b47be in QThreadPrivate::start (arg=0x12bf190) at thread/qthread_unix.cpp:331
#8  0x00007ff2416a16ba in start_thread (arg=0x7ff216e3e700) at pthread_create.c:333
#9  0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7ff21cd45700 (LWP 4286)):
#0  0x00007ff241ebeb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff23ec5338c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff23ec5349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2427eb7eb in QEventDispatcherGlib::processEvents (this=0x7ff2180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007ff242792b4a in QEventLoop::exec (this=this@entry=0x7ff21cd44ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff2425af834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007ff244e573c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007ff2425b47be in QThreadPrivate::start (arg=0x1222f50) at thread/qthread_unix.cpp:331
#8  0x00007ff2416a16ba in start_thread (arg=0x7ff21cd45700) at pthread_create.c:333
#9  0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7ff22162c700 (LWP 4285)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff2296390f3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2  0x00007ff229638817 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3  0x00007ff2416a16ba in start_thread (arg=0x7ff22162c700) at pthread_create.c:333
#4  0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7ff22bfff700 (LWP 4281)):
#0  0x00007fff3536bcaf in clock_gettime ()
#1  0x00007ff241ed8c86 in __GI___clock_gettime (clock_id=1, tp=tp@entry=0x7ff22bffea50) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007ff242664b86 in qt_clock_gettime (ts=0x7ff22bffea50, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#5  0x00007ff2427e9279 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7ff224002ed0) at kernel/qtimerinfo_unix.cpp:84
#6  0x00007ff2427e97e5 in QTimerInfoList::timerWait (this=0x7ff224002ed0, tm=...) at kernel/qtimerinfo_unix.cpp:381
#7  0x00007ff2427eabce in timerSourcePrepareHelper (timeout=0x7ff22bffeb24, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=<optimized out>, timeout=0x7ff22bffeb24) at kernel/qeventdispatcher_glib.cpp:160
#9  0x00007ff23ec5291d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ff23ec532bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ff23ec5349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ff2427eb7eb in QEventDispatcherGlib::processEvents (this=0x7ff2240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007ff242792b4a in QEventLoop::exec (this=this@entry=0x7ff22bffece0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007ff2425af834 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007ff244e573c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007ff2425b47be in QThreadPrivate::start (arg=0xf65410) at thread/qthread_unix.cpp:331
#17 0x00007ff2416a16ba in start_thread (arg=0x7ff22bfff700) at pthread_create.c:333
#18 0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff23293c700 (LWP 4246)):
#0  0x00007ff241ebeb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ff245f83c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff245f858d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff234a8a889 in QXcbEventReader::run (this=0xe871a0) at qxcbconnection.cpp:1271
#4  0x00007ff2425b47be in QThreadPrivate::start (arg=0xe871a0) at thread/qthread_unix.cpp:331
#5  0x00007ff2416a16ba in start_thread (arg=0x7ff23293c700) at pthread_create.c:333
#6  0x00007ff241eca82d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff2477a58c0 (LWP 4243)):
#0  0x00007ff23ec52e18 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff23ec53330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff23ec5349c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff2427eb7cf in QEventDispatcherGlib::processEvents (this=0xeb88d0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007ff242792b4a in QEventLoop::exec (this=this@entry=0x7fff35249a10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007ff24279abec in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#6  0x00007ff242acebfc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#7  0x00007ff243294495 in QApplication::exec () at kernel/qapplication.cpp:2976
#8  0x0000000000432d4a in main (argc=2, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 335214.

Reported using DrKonqi