Bug 430954

Summary: System settings crashed in KQuickAddons::ConfigModule::mainUi() when I was changing tabs from "Colors" to "Application Style"
Product: [Frameworks and Libraries] frameworks-kdeclarative Reporter: Alexey <esbodev>
Component: generalAssignee: Marco Martin <notmart>
Status: RESOLVED DUPLICATE    
Severity: crash CC: kdelibs-bugs, nate, sitter
Priority: NOR Keywords: drkonqi
Version: 5.77.0   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Alexey 2020-12-29 19:04:09 UTC 
Application: systemsettings5 (5.20.4)

Qt Version: 5.15.2
Frameworks Version: 5.77.0
Operating System: Linux 5.4.0-58-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.20

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

I was on the "Colors" tab. Then I clicked "Application Style" tab.

The crash does not seem to be reproducible.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault

[New LWP 4000]
[New LWP 4001]
[New LWP 4006]
[New LWP 4008]
[New LWP 4027]
[New LWP 4028]
[New LWP 4063]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f8504ac1aff in __GI___poll (fds=0x7ffc79ef4428, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f85004f98c0 (LWP 3999))]

Thread 8 (Thread 0x7f84c7928700 (LWP 4063)):
#0  0x00007f8502bb611f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f8502bb766b in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8502bb80db in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8502bb82e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f850508cfbb in QEventDispatcherGlib::processEvents (this=0x7f84ac25f750, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f85050311ab in QEventLoop::exec (this=this@entry=0x7f84c7927cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f8504e4ba12 in QThread::exec (this=this@entry=0x55f002717950) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f8504048fa9 in QQmlThreadPrivate::run (this=0x55f002717950) at qml/ftw/qqmlthread.cpp:155
#8  0x00007f8504e4cbac in QThreadPrivate::start (arg=0x55f002717950) at thread/qthread_unix.cpp:329
#9  0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f84c8129700 (LWP 4028)):
#0  __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:83
#1  0x00007f8504ac1b13 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007f8502bb81ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8502bb8533 in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f84cae9ceda in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f8502be1931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f84d7ed7700 (LWP 4027)):
#0  0x00007f8504ac1aff in __GI___poll (fds=0x55f0002ac110, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8502bb81ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8502bb82e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8502bb8331 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8502be1931 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f84e5816700 (LWP 4008)):
#0  __GI___libc_read (nbytes=16, buf=0x7f84e5815ab0, fd=17) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=17, buf=0x7f84e5815ab0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8502c0089f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8502bb7cfe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8502bb8152 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8502bb82e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f850508cfbb in QEventDispatcherGlib::processEvents (this=0x7f84d0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f85050311ab in QEventLoop::exec (this=this@entry=0x7f84e5815cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f8504e4ba12 in QThread::exec (this=this@entry=0x55efffbf5e90) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f8504048fa9 in QQmlThreadPrivate::run (this=0x55efffbf5e90) at qml/ftw/qqmlthread.cpp:155
#10 0x00007f8504e4cbac in QThreadPrivate::start (arg=0x55efffbf5e90) at thread/qthread_unix.cpp:329
#11 0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f84e77fe700 (LWP 4006)):
#0  0x00007f8504ac1aff in __GI___poll (fds=0x7f84dc005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8502bb81ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8502bb82e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f850508cfbb in QEventDispatcherGlib::processEvents (this=0x7f84dc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f85050311ab in QEventLoop::exec (this=this@entry=0x7f84e77fdcc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f8504e4ba12 in QThread::exec (this=this@entry=0x55efff7750b0) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f8504048fa9 in QQmlThreadPrivate::run (this=0x55efff7750b0) at qml/ftw/qqmlthread.cpp:155
#7  0x00007f8504e4cbac in QThreadPrivate::start (arg=0x55efff7750b0) at thread/qthread_unix.cpp:329
#8  0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f84fe7a7700 (LWP 4001)):
#0  __GI___libc_read (nbytes=16, buf=0x7f84fe7a6aa0, fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=7, buf=0x7f84fe7a6aa0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f8502c0089f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8502bb7cfe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8502bb8152 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8502bb82e3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f850508cfbb in QEventDispatcherGlib::processEvents (this=0x7f84f0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f85050311ab in QEventLoop::exec (this=this@entry=0x7f84fe7a6cb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f8504e4ba12 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f8503c64f4b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f8504e4cbac in QThreadPrivate::start (arg=0x7f8503ce8d80) at thread/qthread_unix.cpp:329
#11 0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f84ff938700 (LWP 4000)):
#0  0x00007f8504ac1aff in __GI___poll (fds=0x7f84ff937be8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f850350fc1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f850351190a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f84ffe6bd58 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8504e4cbac in QThreadPrivate::start (arg=0x55efff4302a0) at thread/qthread_unix.cpp:329
#5  0x00007f85034ca609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f8504ace293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f85004f98c0 (LWP 3999)):
[KCrash Handler]
#4  std::__atomic_base<QObjectPrivate::ConnectionData*>::load (__m=std::memory_order_relaxed, this=0x4b) at /usr/include/c++/9/bits/atomic_base.h:734
#5  std::atomic<QObjectPrivate::ConnectionData*>::load (__m=std::memory_order_relaxed, this=0x4b) at /usr/include/c++/9/atomic:519
#6  QAtomicOps<QObjectPrivate::ConnectionData*>::loadRelaxed<QObjectPrivate::ConnectionData*> (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:239
#7  QBasicAtomicPointer<QObjectPrivate::ConnectionData>::loadRelaxed (this=0x4b) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:248
#8  QObjectPrivate::ensureConnectionData (this=0xb) at kernel/qobject_p.h:371
#9  QObjectPrivate::addConnection (this=0xb, signal=signal@entry=3, c=c@entry=0x55f000207f70) at kernel/qobject.cpp:324
#10 0x00007f850505ebba in QObjectPrivate::connectImpl (sender=0x55f0033e6270, signal_index=3, receiver=0x55f00020dda0, slot=<optimized out>, slotObj=<optimized out>, type=<optimized out>, types=<optimized out>, senderMetaObject=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:132
#11 0x00007f850505f055 in QObject::connectImpl (sender=sender@entry=0x55f0033e6270, signal=signal@entry=0x7ffc79ef4e30, receiver=receiver@entry=0x55f00020dda0, slot=slot@entry=0x0, slotObj=0x55efffc38cc0, type=Qt::AutoConnection, types=0x0, senderMetaObject=<optimized out>) at kernel/qobject.cpp:5001
#12 0x00007f84e67184f8 in QObject::connect<void (QmlComponentsPool::*)(), ColumnView::classBegin()::<lambda()> > (type=Qt::AutoConnection, slot=..., context=0x55f00020dda0, signal=(void (QmlComponentsPool::*)(class QmlComponentsPool * const)) 0x7f84e66f92c0 <QmlComponentsPool::gridUnitChanged()>, sender=0x55f0033e6270) at /usr/include/c++/9/bits/move.h:99
#13 ColumnView::classBegin (this=0x55f00020dda0) at ./src/columnview.cpp:1512
#14 0x00007f850401c471 in QQmlObjectCreator::createInstance (this=0x7ffc79ef56f0, index=38, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1291
#15 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffc79ef56f0, bindingProperty=0x7f84dc0cbfb8, binding=0x7f84c6e85d28) at qml/qqmlobjectcreator.cpp:847
#16 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x7ffc79ef56f0, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#17 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffc79ef56f0, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#18 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#19 0x00007f850401d886 in QQmlObjectCreator::create (this=this@entry=0x7ffc79ef56f0, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#20 0x00007f850401c313 in QQmlObjectCreator::createInstance (this=0x7ffc79ef5ec0, index=2, parent=0x55f000023900, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#21 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffc79ef5ec0, bindingProperty=0x7f84ac238c08, binding=0x7f84c6d89a8c) at qml/qqmlobjectcreator.cpp:847
#22 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x7ffc79ef5ec0, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#23 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffc79ef5ec0, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#24 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#25 0x00007f850401d886 in QQmlObjectCreator::create (this=this@entry=0x7ffc79ef5ec0, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#26 0x00007f850401c313 in QQmlObjectCreator::createInstance (this=0x7ffc79ef6150, index=0, parent=0x0, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#27 0x00007f850401d886 in QQmlObjectCreator::create (this=this@entry=0x7ffc79ef6150, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#28 0x00007f850401c313 in QQmlObjectCreator::createInstance (this=0x7ffc79ef6e60, index=3, parent=0x55f0014e3c70, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#29 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffc79ef6e60, bindingProperty=0x7f84dc0cbfb8, binding=0x7f84c6e35b48) at qml/qqmlobjectcreator.cpp:847
#30 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x7ffc79ef6e60, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#31 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffc79ef6e60, index=0, index@entry=1, instance=0x55f00127c350, bindingTarget=0x55f00127c350, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#32 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#33 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffc79ef6e60, bindingProperty=0x7f84ac1fd408, binding=0x7f84c6e35a30) at qml/qqmlobjectcreator.cpp:847
#34 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x7ffc79ef6e60, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#35 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffc79ef6e60, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#36 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#37 0x00007f850401d886 in QQmlObjectCreator::create (this=this@entry=0x7ffc79ef6e60, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#38 0x00007f850401c313 in QQmlObjectCreator::createInstance (this=0x7ffc79ef7630, index=3, parent=0x55f0003eaa50, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#39 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x7ffc79ef7630, bindingProperty=0x7f84dc0cbfb8, binding=0x7f84c6e373c4) at qml/qqmlobjectcreator.cpp:847
#40 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x7ffc79ef7630, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#41 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x7ffc79ef7630, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#42 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#43 0x00007f850401d886 in QQmlObjectCreator::create (this=this@entry=0x7ffc79ef7630, subComponentIndex=subComponentIndex@entry=-1, parent=parent@entry=0x0, interrupt=interrupt@entry=0x0, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#44 0x00007f850401c313 in QQmlObjectCreator::createInstance (this=0x55f0021b3c10, index=60, parent=0x55f003439890, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1231
#45 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x55f0021b3c10, bindingProperty=0x7f84dc0cbfb8, binding=0x7f84c6f4dcbc) at qml/qqmlobjectcreator.cpp:847
#46 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x55f0021b3c10, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#47 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x55f0021b3c10, index=52, index@entry=56, instance=0x55f0033d0c30, bindingTarget=0x55f0033d0c30, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#48 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#49 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x55f0021b3c10, bindingProperty=0x7f84dc0cbfb8, binding=0x7f84c6f4da84) at qml/qqmlobjectcreator.cpp:847
#50 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x55f0021b3c10, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#51 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x55f0021b3c10, index=0, index@entry=52, instance=0x55f0003be6a0, bindingTarget=0x55f0003be6a0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#52 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#53 0x00007f8504019eb4 in QQmlObjectCreator::setPropertyBinding (this=0x55f0021b3c10, bindingProperty=0x7f84dc20dbd8, binding=0x7f84c6f4b99c) at qml/qqmlobjectcreator.cpp:847
#54 0x00007f850401a27f in QQmlObjectCreator::setupBindings (this=0x55f0021b3c10, applyDeferredBindings=false) at qml/qqmlobjectcreator.cpp:798
#55 0x00007f850401b60e in QQmlObjectCreator::populateInstance (this=this@entry=0x55f0021b3c10, index=-1, index@entry=0, instance=0x0, bindingTarget=0x0, valueTypeProperty=valueTypeProperty@entry=0x0) at qml/qqmlobjectcreator.cpp:1555
#56 0x00007f850401c7f2 in QQmlObjectCreator::createInstance (this=<optimized out>, index=<optimized out>, parent=<optimized out>, isContextObject=<optimized out>) at qml/qqmlobjectcreator.cpp:1348
#57 0x00007f850401d886 in QQmlObjectCreator::create (this=0x55f0021b3c10, subComponentIndex=<optimized out>, parent=parent@entry=0x0, interrupt=interrupt@entry=0x7ffc79ef8900, flags=flags@entry=1) at qml/qqmlobjectcreator.cpp:204
#58 0x00007f8503f99ad1 in QQmlIncubatorPrivate::incubate (this=0x55f0013897a0, i=...) at qml/qqmlincubator.cpp:298
#59 0x00007f8503f9a366 in QQmlEnginePrivate::incubate (this=0x55f0020f3e10, i=..., forContext=<optimized out>) at qml/qqmlincubator.cpp:89
#60 0x00007f8503f93aee in QQmlComponent::create(QQmlIncubator&, QQmlContext*, QQmlContext*) () at qml/qqmlcomponent.cpp:1178
#61 0x00007f8504744d91 in KDeclarative::QmlObject::completeInitialization (initialProperties=..., this=0x55f00359ec50) at ./src/kdeclarative/qmlobject.cpp:310
#62 KDeclarative::QmlObject::completeInitialization (this=0x55f00359ec50, initialProperties=...) at ./src/kdeclarative/qmlobject.cpp:291
#63 0x00007f85065c15f9 in KQuickAddons::ConfigModule::mainUi (this=0x55f0001a8a10) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qhash.h:241
#64 0x00007f85066e7c24 in KCModuleLoader::loadModule (mod=..., report=report@entry=KCModuleLoader::Inline, parent=0x55f000421f40, args=...) at ./src/kcmoduleloader.cpp:98
#65 0x00007f85066f36da in KCModuleProxyPrivate::loadModule (this=this@entry=0x55f000f195c0) at ./src/kcmoduleproxy.cpp:81
#66 0x00007f85066f3d18 in KCModuleProxy::realModule (this=this@entry=0x55f000421f40) at ./src/kcmoduleproxy.cpp:54
#67 0x00007f850673ca47 in ModuleView::updatePageIconHeader (this=this@entry=0x55efff6408f0, page=page@entry=0x55f000e507b0, light=light@entry=true) at ./core/ModuleView.cpp:229
#68 0x00007f850673de74 in ModuleView::addModule (this=this@entry=0x55efff6408f0, module=0x55efff6ea498, args=...) at ./core/ModuleView.cpp:206
#69 0x00007f850673e1c8 in ModuleView::loadModule (this=0x55efff6408f0, menuItem=..., args=...) at ./core/ModuleView.cpp:156
#70 0x00007f84fc0c30ea in SidebarMode::loadModule (this=0x55efff823360, activeModule=..., args=...) at ./sidebar/SidebarMode.cpp:471
#71 0x00007f84fc0c080e in SidebarMode::qt_static_metacall (_o=_o@entry=0x55efff823360, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=19, _a=_a@entry=0x7ffc79ef9150) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:160
#72 0x00007f84fc0c0da3 in SidebarMode::qt_metacall (this=0x55efff823360, _c=QMetaObject::InvokeMetaMethod, _id=19, _a=0x7ffc79ef9150) at ./obj-x86_64-linux-gnu/sidebar/systemsettings_sidebar_mode_autogen/EWIEGA46WW/moc_SidebarMode.cpp:591
#73 0x00007f8503fdcbe5 in QQmlObjectOrGadget::metacall (this=0x7ffc79ef9490, type=QMetaObject::InvokeMetaMethod, index=<optimized out>, argv=<optimized out>) at ../../include/QtQml/5.15.2/QtQml/private/../../../../../src/qml/qml/ftw/qflagpointer_p.h:351
#74 0x00007f8503ea5675 in CallMethod (object=..., index=<optimized out>, returnType=<optimized out>, argCount=<optimized out>, argTypes=<optimized out>, engine=<optimized out>, callArgs=<optimized out>, callType=<optimized out>) at jsruntime/qv4qobjectwrapper.cpp:1301
#75 0x00007f8503ea7777 in CallPrecise (object=..., data=..., engine=0x55efff5d60c0, callArgs=0x7f84e6bbf5b8, callType=QMetaObject::InvokeMetaMethod) at ../../include/QtQml/5.15.2/QtQml/private/../../../../../src/qml/qml/qqmlpropertydata_p.h:285
#76 0x00007f8503ea895f in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at jsruntime/qv4qobjectwrapper.cpp:1645
#77 0x00007f8503ed882b in QV4::Runtime::CallPropertyLookup::call(QV4::ExecutionEngine*, QV4::Value const&, unsigned int, QV4::Value*, int) () at jsruntime/qv4functionobject_p.h:172
#78 0x00007f84c87348ac in ?? ()
#79 0x0000000000000000 in ?? ()
[Inferior 1 (process 3999) detached]

Possible duplicates by query: bug 428170, bug 417802.

Reported using DrKonqi
Comment 1 Nate Graham 2021-01-04 23:17:18 UTC 
#62 KDeclarative::QmlObject::completeInitialization (this=0x55f00359ec50, initialProperties=...) at ./src/kdeclarative/qmlobject.cpp:291
#63 0x00007f85065c15f9 in KQuickAddons::ConfigModule::mainUi (this=0x55f0001a8a10) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qhash.h:241
#64 0x00007f85066e7c24 in KCModuleLoader::loadModule (mod=..., report=report@entry=KCModuleLoader::Inline, parent=0x55f000421f40, args=...) at ./src/kcmoduleloader.cpp:98
#65 0x00007f85066f36da in KCModuleProxyPrivate::loadModule (this=this@entry=0x55f000f195c0) at ./src/kcmoduleproxy.cpp:81
#66 0x00007f85066f3d18 in KCModuleProxy::realModule (this=this@entry=0x55f000421f40) at ./src/kcmoduleproxy.cpp:54
#67 0x00007f850673ca47 in ModuleView::updatePageIconHeader (this=this@entry=0x55efff6408f0, page=page@entry=0x55f000e507b0, light=light@entry=true) at ./core/ModuleView.cpp:229
#68 0x00007f850673de74 in ModuleView::addModule (this=this@entry=0x55efff6408f0, module=0x55efff6ea498, args=...) at ./core/ModuleView.cpp:206
#69 0x00007f850673e1c8 in ModuleView::loadModule (this=0x55efff6408f0, menuItem=..., args=...) at ./core/ModuleView.cpp:156
#70 0x00007f84fc0c30ea in SidebarMode::loadModule (this=0x55efff823360, activeModule=..., args=...) at ./sidebar/SidebarMode.cpp:471
Comment 2 Harald Sitter 2021-10-22 11:40:14 UTC 

*** This bug has been marked as a duplicate of bug 429027 ***