STEPS TO REPRODUCE
1. open a Samba share
2. press altt+tab
3. 

OBSERVED RESULT
crash

EXPECTED RESULT
no crash

SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.26.80
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7
Graphics Platform: Wayland


Thread 13 (Thread 0x7f86dbcbd640 (LWP 34295)):
#0  0x00007f86f6b18d7f in __GI___poll (fds=0x7f86cc0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86f52a6696 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f86cc0029e0, timeout=<optimized out>, context=0x7f86cc000c30) at ../../../glib/gmain.c:4516
#2  g_main_context_iterate.constprop.0 (context=context@entry=0x7f86cc000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4206
#3  0x00007f86f524f3c3 in g_main_context_iteration (context=0x7f86cc000c30, may_block=1) at ../../../glib/gmain.c:4276
#4  0x00007f86f7515af8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f86cc000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f86f74ba9bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f86dbcbcb40, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f86f72cd4e2 in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x564191a91d70) at thread/qthread_unix.cpp:330
#8  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 12 (Thread 0x7f86f1dff640 (LWP 34289)):
#0  0x00007f86f6b18d7f in __GI___poll (fds=0x7f86ec046e70, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86f52a6696 in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x7f86ec046e70, timeout=<optimized out>, context=0x7f86ec001cf0) at ../../../glib/gmain.c:4516
#2  g_main_context_iterate.constprop.0 (context=context@entry=0x7f86ec001cf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4206
#3  0x00007f86f524f3c3 in g_main_context_iteration (context=0x7f86ec001cf0, may_block=1) at ../../../glib/gmain.c:4276
#4  0x00007f86f7515af8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f86ec000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f86f74ba9bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f86f1dfeb10, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f86f72cd4e2 in QThread::exec() (this=this@entry=0x7f86f881bd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f86f87a2f1b in QDBusConnectionManager::run() (this=0x7f86f881bd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ./src/dbus/qdbusconnection.cpp:179
#8  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x7f86f881bd80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:330
#9  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 11 (Thread 0x7f868f386640 (LWP 34378)):
#0  0x00007f86f6b18d7f in __GI___poll (fds=0x5641927f5690, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86f52a6696 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x5641927f5690, timeout=<optimized out>, context=0x5641927f3630) at ../../../glib/gmain.c:4516
#2  g_main_context_iterate.constprop.0 (context=0x5641927f3630, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4206
#3  0x00007f86f5251293 in g_main_loop_run (loop=0x5641923617a0) at ../../../glib/gmain.c:4411
#4  0x00007f868fcfcc1a in gdbus_shared_thread_func (user_data=0x5641927f57c0) at ../../../gio/gdbusprivate.c:282
#5  0x00007f86f5280a41 in g_thread_proxy (data=0x5641927ee300) at ../../../glib/gthread.c:827
#6  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f868fb87640 (LWP 34377)):
#0  0x00007f86f6b18d7f in __GI___poll (fds=0x56419246fd30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86f52a6696 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x56419246fd30, timeout=<optimized out>, context=0x5641921ca350) at ../../../glib/gmain.c:4516
#2  g_main_context_iterate.constprop.0 (context=context@entry=0x5641921ca350, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4206
#3  0x00007f86f524f3c3 in g_main_context_iteration (context=0x5641921ca350, may_block=may_block@entry=1) at ../../../glib/gmain.c:4276
#4  0x00007f86f524f411 in glib_worker_main (data=<optimized out>) at ../../../glib/gmain.c:6178
#5  0x00007f86f5280a41 in g_thread_proxy (data=0x56419149c360) at ../../../glib/gthread.c:827
#6  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f86b3fff640 (LWP 34326)):
#0  __futex_abstimed_wait_common64 (private=544, cancel=true, abstime=0x7f86b3ffeab0, op=137, expected=0, futex_word=0x5641920f3d34) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=544, abstime=0x7f86b3ffeab0, clockid=0, expected=0, futex_word=0x5641920f3d34) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5641920f3d34, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f86b3ffeab0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f86f6a93f1b in __pthread_cond_wait_common (abstime=0x7f86b3ffeab0, clockid=1, mutex=0x5641920f3ce0, cond=0x5641920f3d08) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x5641920f3d08, mutex=0x5641920f3ce0, abstime=0x7f86b3ffeab0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f86f72d46cc in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x5641920f3ce0) at thread/qwaitcondition_unix.cpp:136
#6  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x5641920f3ce0) at thread/qwaitcondition_unix.cpp:144
#7  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5641920ee4f0, mutex=mutex@entry=0x564191b782b8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#8  0x00007f86f72d1b65 in QThreadPoolThread::run() (this=0x5641920ee4e0) at thread/qthreadpool.cpp:140
#9  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x5641920ee4e0) at thread/qthread_unix.cpp:330
#10 0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f86c88af640 (LWP 34325)):
#0  __futex_abstimed_wait_common64 (private=544, cancel=true, abstime=0x7f86c88aeab0, op=137, expected=0, futex_word=0x5641920ab084) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=544, abstime=0x7f86c88aeab0, clockid=0, expected=0, futex_word=0x5641920ab084) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5641920ab084, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f86c88aeab0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f86f6a93f1b in __pthread_cond_wait_common (abstime=0x7f86c88aeab0, clockid=1, mutex=0x5641920ab030, cond=0x5641920ab058) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x5641920ab058, mutex=0x5641920ab030, abstime=0x7f86c88aeab0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f86f72d46cc in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x5641920ab030) at thread/qwaitcondition_unix.cpp:136
#6  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x5641920ab030) at thread/qwaitcondition_unix.cpp:144
#7  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5641920e9c70, mutex=mutex@entry=0x564191b782b8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#8  0x00007f86f72d1b65 in QThreadPoolThread::run() (this=0x5641920e9c60) at thread/qthreadpool.cpp:140
#9  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x5641920e9c60) at thread/qthread_unix.cpp:330
#10 0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f86c90b0640 (LWP 34312)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f86c90afab0, op=137, expected=0, futex_word=0x564191e0bd70) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x7f86c90afab0, clockid=-15991029, expected=0, futex_word=0x564191e0bd70) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x564191e0bd70, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f86c90afab0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f86f6a93f1b in __pthread_cond_wait_common (abstime=0x7f86c90afab0, clockid=1, mutex=0x564191e0bd20, cond=0x564191e0bd48) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x564191e0bd48, mutex=0x564191e0bd20, abstime=0x7f86c90afab0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f86f72d46cc in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x564191e0bd20) at thread/qwaitcondition_unix.cpp:136
#6  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x564191e0bd20) at thread/qwaitcondition_unix.cpp:144
#7  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5641920b9280, mutex=mutex@entry=0x564191b782b8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#8  0x00007f86f72d1b65 in QThreadPoolThread::run() (this=0x5641920b9270) at thread/qthreadpool.cpp:140
#9  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x5641920b9270) at thread/qthread_unix.cpp:330
#10 0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f86b1ab6640 (LWP 34426)):
#0  0x00007f86f6b18d7f in __GI___poll (fds=0x7f869c0018e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86f52a6696 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f869c0018e0, timeout=<optimized out>, context=0x7f869c000c30) at ../../../glib/gmain.c:4516
#2  g_main_context_iterate.constprop.0 (context=context@entry=0x7f869c000c30, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4206
#3  0x00007f86f524f3c3 in g_main_context_iteration (context=0x7f869c000c30, may_block=1) at ../../../glib/gmain.c:4276
#4  0x00007f86f7515af8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f869c000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f86f74ba9bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f86b1ab5b20, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f86f72cd4e2 in QThread::exec() (this=this@entry=0x564192385cb0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f86f6132959 in QQmlThreadPrivate::run() (this=0x564192385cb0) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x564192385cb0) at thread/qthread_unix.cpp:330
#9  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f86f0c29640 (LWP 34291)):
#0  0x00007f86f6b18d7f in __GI___poll (fds=fds@entry=0x7f86f0c28b30, nfds=nfds@entry=2, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f86f5034794 in poll (__timeout=-1, __nfds=2, __fds=0x7f86f0c28b30) at /usr/include/x86_64-linux-gnu/bits/poll2.h:39
#2  QtWaylandClient::EventThread::run() (this=0x5641914d09b0) at ./src/client/qwaylanddisplay.cpp:208
#3  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x5641914d09b0) at thread/qthread_unix.cpp:330
#4  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#5  0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f86c98b1640 (LWP 34311)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f86c98b0ab0, op=137, expected=0, futex_word=0x5641921674c0) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x7f86c98b0ab0, clockid=-15991029, expected=0, futex_word=0x5641921674c0) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5641921674c0, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f86c98b0ab0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f86f6a93f1b in __pthread_cond_wait_common (abstime=0x7f86c98b0ab0, clockid=1, mutex=0x564192167470, cond=0x564192167498) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x564192167498, mutex=0x564192167470, abstime=0x7f86c98b0ab0) at ./nptl/pthread_cond_wait.c:652
#5  0x00007f86f72d46cc in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x564192167470) at thread/qwaitcondition_unix.cpp:136
#6  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x564192167470) at thread/qwaitcondition_unix.cpp:144
#7  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x564191f7f0d0, mutex=mutex@entry=0x564191b782b8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#8  0x00007f86f72d1b65 in QThreadPoolThread::run() (this=0x564191f7f0c0) at thread/qthreadpool.cpp:140
#9  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x564191f7f0c0) at thread/qthread_unix.cpp:330
#10 0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f86dc4be640 (LWP 34292)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5641914e9fa8) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5641914e9fa8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5641914e9fa8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f86f6a93ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5641914e9f58, cond=0x5641914e9f80) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=cond@entry=0x5641914e9f80, mutex=mutex@entry=0x5641914e9f58) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f86e26bf85b in cnd_wait (mtx=0x5641914e9f58, cond=0x5641914e9f80) at ../include/c11/threads_posix.h:155
#6  util_queue_thread_func (input=input@entry=0x56419156a5e0) at ../src/util/u_queue.c:294
#7  0x00007f86e26bf48b in impl_thrd_routine (p=<optimized out>) at ../include/c11/threads_posix.h:87
#8  0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f86f142a640 (LWP 34290)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x5641914ceb54) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x5641914ceb54) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x5641914ceb54, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f86f6a93ac1 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5641914ceb00, cond=0x5641914ceb28) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x5641914ceb28, mutex=0x5641914ceb00) at ./nptl/pthread_cond_wait.c:627
#5  0x00007f86f72d473b in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., deadline=..., this=0x5641914ceb00) at thread/qwaitcondition_unix.cpp:146
#6  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=this@entry=0x5641914d0880, mutex=mutex@entry=0x5641914d0878, deadline=...) at thread/qwaitcondition_unix.cpp:225
#7  0x00007f86f5034737 in QtWaylandClient::EventThread::waitForReading() (this=0x5641914d0840) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#8  QtWaylandClient::EventThread::run() (this=0x5641914d0840) at ./src/client/qwaylanddisplay.cpp:206
#9  0x00007f86f72ce703 in QThreadPrivate::start(void*) (arg=0x5641914d0840) at thread/qthread_unix.cpp:330
#10 0x00007f86f6a94b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007f86f6b26a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f86f271d9c0 (LWP 34288)):
#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140217569892800) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=6, threadid=140217569892800) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=140217569892800, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3  0x00007f86f6a42476 in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26
#4  0x00007f86f90690a5 in KCrash::defaultCrashHandler(int) (sig=6) at ./src/kcrash.cpp:618
#5  0x00007f86f6a42520 in <signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6
#6  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140217569892800) at ./nptl/pthread_kill.c:44
#7  __pthread_kill_internal (signo=6, threadid=140217569892800) at ./nptl/pthread_kill.c:78
#8  __GI___pthread_kill (threadid=140217569892800, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#9  0x00007f86f6a42476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#10 0x00007f86f6a287f3 in __GI_abort () at ./stdlib/abort.c:79
#11 0x00007f86f7291ba3 in qt_message_fatal (message=<synthetic pointer>..., context=<optimized out>) at global/qlogging.cpp:1914
#12 QMessageLogger::fatal(char const*, ...) const (this=<optimized out>, msg=<optimized out>) at global/qlogging.cpp:893
#13 0x00007f86db4a943c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/propertiesdialog/SambaAcl.so
#14 0x00007f86db4b104a in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/propertiesdialog/SambaAcl.so
#15 0x00007f86f8943722 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) (this=this@entry=0x5641923861d0, iface=0x7f86f9446c40 <qt_meta_stringdata_KPropertiesDialogPlugin+96> "KPropertiesDialogPlugin", parentWidget=parentWidget@entry=0x56419301c630, parent=parent@entry=0x56419301c630, args=..., keyword=...) at ./src/lib/plugin/kpluginfactory.cpp:236
#16 0x00007f86f940d02a in KPluginFactory::create<KPropertiesDialogPlugin>(QObject*, QList<QVariant> const&) (args=..., parent=0x56419301c630, this=0x5641923861d0) at /usr/include/KF5/KCoreAddons/kpluginfactory.h:939
#17 KPluginFactory::instantiatePlugin<KPropertiesDialogPlugin>(KPluginMetaData const&, QObject*, QList<QVariant> const&) (data=..., parent=0x56419301c630, args=...) at /usr/include/KF5/KCoreAddons/kpluginfactory.h:509
#18 0x00007f86f94031b7 in KPropertiesDialogPrivate::insertPages() (this=this@entry=0x564192e6fa00) at ./src/widgets/kpropertiesdialog.cpp:688
#19 0x00007f86f94037ce in KPropertiesDialogPrivate::init() (this=0x564192e6fa00) at ./src/widgets/kpropertiesdialog.cpp:435
#20 0x00007f86f9404277 in KPropertiesDialog::KPropertiesDialog(QUrl const&, QWidget*) (this=this@entry=0x56419301c630, _url=..., parent=0x56419179af10) at /usr/include/c++/11/bits/unique_ptr.h:173
#21 0x00007f86f978d0fd in DolphinViewActionHandler::slotProperties() (this=0x56419179f7f0) at ./src/views/dolphinviewactionhandler.cpp:777
#22 0x00007f86f74f40f4 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fffc6a28c30, r=0x56419179f7f0, this=0x56419171b1a0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#23 doActivate<false>(QObject*, int, void**) (sender=0x564191775fa0, signal_index=4, argv=0x7fffc6a28c30) at kernel/qobject.cpp:3919
#24 0x00007f86f74ed197 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x564191775fa0, m=m@entry=0x7f86f8695d40 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fffc6a28c30) at kernel/qobject.cpp:3979
#25 0x00007f86f8165c56 in QAction::triggered(bool) (this=this@entry=0x564191775fa0, _t1=<optimized out>) at .moc/moc_qaction.cpp:376
#26 0x00007f86f816894c in QAction::activate(QAction::ActionEvent) (this=0x564191775fa0, event=<optimized out>) at kernel/qaction.cpp:1161
#27 0x00007f86f8169537 in QAction::event(QEvent*) (e=<optimized out>, this=<optimized out>) at kernel/qaction.cpp:1086
#28 QAction::event(QEvent*) (this=<optimized out>, e=<optimized out>) at kernel/qaction.cpp:1075
#29 0x00007f86f816c763 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x564191775fa0, e=0x7fffc6a28e00) at kernel/qapplication.cpp:3637
#30 0x00007f86f74bc09a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x564191775fa0, event=0x7fffc6a28e00) at kernel/qcoreapplication.cpp:1064
#31 0x00007f86f7972b14 in QShortcutMap::dispatchEvent(QKeyEvent*) (this=<optimized out>, e=<optimized out>) at kernel/qshortcutmap.cpp:675
#32 0x00007f86f79734b3 in QShortcutMap::tryShortcut(QKeyEvent*) (this=this@entry=0x5641914aeb28, e=e@entry=0x7fffc6a28ec0) at kernel/qshortcutmap.cpp:343
#33 0x00007f86f7919f72 in QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int, unsigned int, QString const&, bool, unsigned short) (window=<optimized out>, timestamp=30271728, keyCode=16777220, modifiers=..., nativeScanCode=36, nativeVirtualKey=65293, nativeModifiers=24, text=..., autorepeat=false, count=1) at kernel/qwindowsysteminterface.cpp:477
#34 0x00007f86f793eb1f in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) (e=0x564191cf12e0) at kernel/qguiapplication.cpp:2398
#35 0x00007f86f7916a6c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=...) at kernel/qwindowsysteminterface.cpp:1169
#36 0x00007f86f506c274 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#37 0x00007f86f5251d1b in g_main_dispatch (context=0x7f86ec005010) at ../../../glib/gmain.c:3417
#38 g_main_context_dispatch (context=0x7f86ec005010) at ../../../glib/gmain.c:4135
#39 0x00007f86f52a66f8 in g_main_context_iterate.constprop.0 (context=context@entry=0x7f86ec005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4211
#40 0x00007f86f524f3c3 in g_main_context_iteration (context=0x7f86ec005010, may_block=1) at ../../../glib/gmain.c:4276
#41 0x00007f86f7515af8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5641914d0a00, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#42 0x00007f86f74ba9bb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffc6a29200, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#43 0x00007f86f74c2f54 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#44 0x00007f86f79364e0 in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1870
#45 0x00007f86f816c6d9 in QApplication::exec() () at kernel/qapplication.cpp:2829
#46 0x0000564190de0a8d in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:258