Application: plasmashell (5.10.2)

Qt Version: 5.7.1
Frameworks Version: 5.35.0
Operating System: Linux 4.8.0-54-generic x86_64
Distribution: KDE neon User Edition 5.10

-- Information about the crash:
- What I was doing when the application crashed: I installing (changing) a new theme for the Plasma. From breeze dark to breeze

-- 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 0x7fbda6a2d8c0 (LWP 1256))]

Thread 15 (Thread 0x7fbcc5ffb700 (LWP 5032)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#21 0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x7fbcbc002f90) at thread/qthread_unix.cpp:368
#22 0x00007fbda090a6ba in start_thread (arg=0x7fbcc5ffb700) at pthread_create.c:333
#23 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fbcc67fc700 (LWP 5031)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x7fbcb8002d90) at thread/qthread_unix.cpp:368
#14 0x00007fbda090a6ba in start_thread (arg=0x7fbcc67fc700) at pthread_create.c:333
#15 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fbcc6ffd700 (LWP 5030)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#14 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#15 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x7fbcc0002b90) at thread/qthread_unix.cpp:368
#20 0x00007fbda090a6ba in start_thread (arg=0x7fbcc6ffd700) at pthread_create.c:333
#21 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fbcc77fe700 (LWP 5029)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x7fbcc80025d0) at thread/qthread_unix.cpp:368
#10 0x00007fbda090a6ba in start_thread (arg=0x7fbcc77fe700) at pthread_create.c:333
#11 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fbcc7fff700 (LWP 5028)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x6717310) at thread/qthread_unix.cpp:368
#10 0x00007fbda090a6ba in start_thread (arg=0x7fbcc7fff700) at pthread_create.c:333
#11 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fbcccf56700 (LWP 5027)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x7fbcec0011e0) at thread/qthread_unix.cpp:368
#14 0x00007fbda090a6ba in start_thread (arg=0x7fbcccf56700) at pthread_create.c:333
#15 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fbccd757700 (LWP 5026)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x6ace3f0) at thread/qthread_unix.cpp:368
#10 0x00007fbda090a6ba in start_thread (arg=0x7fbccd757700) at pthread_create.c:333
#11 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fbcf25e9700 (LWP 5025)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda1a659fb in QWaitConditionPrivate::wait (time=18446744073709551615, this=0x5758d40) at thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3998b20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fbcebbde07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbcebbe2078 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fbcebbe20d2 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fbcebbdd26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fbcebbdfbf0 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#13 0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x39b09d0) at thread/qthread_unix.cpp:368
#14 0x00007fbda090a6ba in start_thread (arg=0x7fbcf25e9700) at pthread_create.c:333
#15 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fbcdb32d700 (LWP 1432)):
#0  0x00007fbd9cb3fa79 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbd9cafab41 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd9cafb307 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd9cafb49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbda1c8575b in QEventDispatcherGlib::processEvents (this=0x7fbcd40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fbda1c300ba in QEventLoop::exec (this=this@entry=0x7fbcdb32ccc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fbda1a5ff64 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007fbcdb9ea587 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#8  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x4eb2580) at thread/qthread_unix.cpp:368
#9  0x00007fbda090a6ba in start_thread (arg=0x7fbcdb32d700) at pthread_create.c:333
#10 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fbd7afba700 (LWP 1408)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbda647c6f4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fbda647c739 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fbda090a6ba in start_thread (arg=0x7fbd7afba700) at pthread_create.c:333
#4  0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fbd88d70700 (LWP 1407)):
#0  0x00007fbda136169d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fbd9cb3e6f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd9cafae74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbd9cafb330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbd9cafb49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbda1c8575b in QEventDispatcherGlib::processEvents (this=0x7fbd800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fbda1c300ba in QEventLoop::exec (this=this@entry=0x7fbd88d6fce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fbda1a5ff64 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507
#8  0x00007fbda4090bf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x1b6b100) at thread/qthread_unix.cpp:368
#10 0x00007fbda090a6ba in start_thread (arg=0x7fbd88d70700) at pthread_create.c:333
#11 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fbd8a9e1700 (LWP 1401)):
#0  0x00007fbd9cb3fa94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbd9cafb2ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbd9cafb49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbda1c8575b in QEventDispatcherGlib::processEvents (this=0x7fbd7c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fbda1c300ba in QEventLoop::exec (this=this@entry=0x7fbd8a9e0ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fbda1a5ff64 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507
#6  0x00007fbda4090bf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x1afa120) at thread/qthread_unix.cpp:368
#8  0x00007fbda090a6ba in start_thread (arg=0x7fbd8a9e1700) at pthread_create.c:333
#9  0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fbd8bfff700 (LWP 1283)):
#0  update_get_addr (ti=0x7fbda1e78738) at dl-tls.c:807
#1  0x00007fbda1a63a46 in get_thread_data () at thread/qthread_unix.cpp:189
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:244
#3  0x00007fbda1c84e8a in postEventSourcePrepare (s=0x7fbd840012d0, timeout=0x7fbd8bffeb04) at kernel/qeventdispatcher_glib.cpp:252
#4  0x00007fbd9cafa91d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbd9cafb2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fbd9cafb49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fbda1c8575b in QEventDispatcherGlib::processEvents (this=0x7fbd840008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007fbda1c300ba in QEventLoop::exec (this=this@entry=0x7fbd8bffecd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#9  0x00007fbda1a5ff64 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507
#10 0x00007fbda6b6a735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#11 0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x7fbda6bded60) at thread/qthread_unix.cpp:368
#12 0x00007fbda090a6ba in start_thread (arg=0x7fbd8bfff700) at pthread_create.c:333
#13 0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fbd91dcf700 (LWP 1268)):
#0  0x00007fbda1365b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fbda53ddc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fbda53df8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fbd93f15d79 in QXcbEventReader::run (this=0x1a2ae90) at qxcbconnection.cpp:1343
#4  0x00007fbda1a64b48 in QThreadPrivate::start (arg=0x1a2ae90) at thread/qthread_unix.cpp:368
#5  0x00007fbda090a6ba in start_thread (arg=0x7fbd91dcf700) at pthread_create.c:333
#6  0x00007fbda137182d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fbda6a2d8c0 (LWP 1256)):
[KCrash Handler]
#6  std::__atomic_base<int>::operator++ (this=0x630069002f006d) at /usr/include/c++/5/bits/atomic_base.h:296
#7  QAtomicOps<int>::ref<int> (_q_value=...) at ../../include/QtCore/../../src/corelib/arch/qatomic_cxx11.h:265
#8  QBasicAtomicInteger<int>::ref (this=0x630069002f006d) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:110
#9  QIcon::QIcon (this=0x7ffe5c04b340, other=...) at image/qicon.cpp:636
#10 0x00007fbda250b044 in QAction::icon (this=<optimized out>) at kernel/qaction.cpp:652
#11 0x00007fbda446f435 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#12 0x00007fbda27c7585 in QTreeModel::data (this=<optimized out>, index=..., role=<optimized out>) at itemviews/qtreewidget.cpp:371
#13 0x00007fbda27e19a0 in QModelIndex::data (arole=1, this=0x7ffe5c04b730) at ../../include/QtCore/../../src/corelib/itemmodels/qabstractitemmodel.h:426
#14 QStyledItemDelegate::initStyleOption (this=0x64b2030, option=0x7ffe5c04b4f0, index=...) at itemviews/qstyleditemdelegate.cpp:298
#15 0x00007fbda27e0eff in QStyledItemDelegate::sizeHint (this=0x64b2030, option=..., index=...) at itemviews/qstyleditemdelegate.cpp:406
#16 0x00007fbd9ebd1648 in KExtendableItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () from /usr/lib/x86_64-linux-gnu/libKF5ItemViews.so.5
#17 0x00007fbda446e339 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#18 0x00007fbda2799ee9 in QTreeViewPrivate::widthHintForIndex (this=this@entry=0x6465770, index=..., hint=77, option=..., i=i@entry=1) at itemviews/qtreeview.cpp:1597
#19 0x00007fbda279c668 in QTreeView::sizeHintForColumn (this=<optimized out>, column=<optimized out>) at itemviews/qtreeview.cpp:2894
#20 0x00007fbda276cf18 in QHeaderViewPrivate::resizeSections (this=0x6295480, globalMode=globalMode@entry=QHeaderView::Interactive, useGlobalMode=useGlobalMode@entry=false) at itemviews/qheaderview.cpp:3353
#21 0x00007fbda276d2b1 in QHeaderView::resizeSections (this=<optimized out>) at itemviews/qheaderview.cpp:1838
#22 0x00007fbda276d8de in QHeaderViewPrivate::executePostedResize (this=<optimized out>) at ../../include/QtWidgets/5.7.1/QtWidgets/private/../../../../../src/widgets/itemviews/qheaderview_p.h:240
#23 QHeaderView::sectionSize (this=0x6295440, logicalIndex=4) at itemviews/qheaderview.cpp:658
#24 0x00007fbda279cc80 in QTreeViewPrivate::updateScrollBars (this=0x6465770) at itemviews/qtreeview.cpp:3706
#25 0x00007fbda27a4cb3 in QTreeView::updateGeometries (this=0x62d3f40) at itemviews/qtreeview.cpp:2835
#26 0x00007fbda275e5f9 in QAbstractItemView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qabstractitemview.cpp:416
#27 0x00007fbda1c5ce89 in QMetaObject::activate (sender=sender@entry=0x6295440, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=8, argv=argv@entry=0x0) at kernel/qobject.cpp:3740
#28 0x00007fbda1c5d837 in QMetaObject::activate (sender=sender@entry=0x6295440, m=m@entry=0x7fbda2a04200 <QHeaderView::staticMetaObject>, local_signal_index=local_signal_index@entry=8, argv=argv@entry=0x0) at kernel/qobject.cpp:3602
#29 0x00007fbda27682a3 in QHeaderView::geometriesChanged (this=this@entry=0x6295440) at .moc/moc_qheaderview.cpp:452
#30 0x00007fbda277269d in QHeaderView::viewportEvent (this=0x6295440, e=0x7ffe5c04be10) at itemviews/qheaderview.cpp:2678
#31 0x00007fbda1c31e32 in QCoreApplicationPrivate::sendThroughObjectEventFilters (receiver=receiver@entry=0x64876c0, event=event@entry=0x7ffe5c04be10) at kernel/qcoreapplication.cpp:1099
#32 0x00007fbda2510ea5 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x64876c0, e=0x7ffe5c04be10) at kernel/qapplication.cpp:3795
#33 0x00007fbda25188c6 in QApplication::notify (this=0x7ffe5c04c7f0, receiver=0x64876c0, e=0x7ffe5c04be10) at kernel/qapplication.cpp:3556
#34 0x00007fbda1c320c8 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x64876c0, event=event@entry=0x7ffe5c04be10) at kernel/qcoreapplication.cpp:988
#35 0x00007fbda251589f in QCoreApplication::sendEvent (event=0x7ffe5c04be10, receiver=0x64876c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QApplication::setStyle (style=<optimized out>) at kernel/qapplication.cpp:1267
#37 0x00007fbda2516626 in QApplication::setStyle (style=...) at kernel/qapplication.cpp:1311
#38 0x00007fbd90f88e4d in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so
#39 0x00007fbd90f95c55 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so
#40 0x00007fbda6b76923 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#41 0x00007fbda1c5dd99 in QObject::event (this=0x1a49fe0, e=<optimized out>) at kernel/qobject.cpp:1263
#42 0x00007fbda2510ecc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1a49fe0, e=0x7fbd84051730) at kernel/qapplication.cpp:3799
#43 0x00007fbda25188c6 in QApplication::notify (this=0x7ffe5c04c7f0, receiver=0x1a49fe0, e=0x7fbd84051730) at kernel/qapplication.cpp:3556
#44 0x00007fbda1c320c8 in QCoreApplication::notifyInternal2 (receiver=0x1a49fe0, event=event@entry=0x7fbd84051730) at kernel/qcoreapplication.cpp:988
#45 0x00007fbda1c3478b in QCoreApplication::sendEvent (event=0x7fbd84051730, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1a08b90) at kernel/qcoreapplication.cpp:1649
#47 0x00007fbda1c34bf8 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1503
#48 0x00007fbda1c85333 in postEventSourceDispatch (s=0x1a4fc50) at kernel/qeventdispatcher_glib.cpp:276
#49 0x00007fbd9cafb197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fbd9cafb3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fbd9cafb49c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fbda1c8573f in QEventDispatcherGlib::processEvents (this=0x1a68780, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#53 0x00007fbda1c300ba in QEventLoop::exec (this=this@entry=0x7ffe5c04c680, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#54 0x00007fbda1c386cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261
#55 0x00007fbda1f6d24c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1633
#56 0x00007fbda2510e25 in QApplication::exec () at kernel/qapplication.cpp:2975
#57 0x000000000041ce18 in main (argc=1, argv=<optimized out>) at /workspace/build/shell/main.cpp:166

Reported using DrKonqi