https://bugs.kde.org/show_bug.cgi?id=431718

            Bug ID: 431718
           Summary: Kwin Crash while using Application Menue
           Product: plasmashell
           Version: 5.14.5
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: philipp.kn...@web.de
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.14.5)

Qt Version: 5.11.3
Frameworks Version: 5.54.0
Operating System: Linux 4.19.0-13-amd64 x86_64
Distribution: Debian GNU/Linux 10 (buster)

-- Information about the crash:
- What I was doing when the application crashed:
clicked the Application Menue und then tried to start a program. => Kwin
crashed
- Unusual behavior I noticed:
Screen flickered for several seconds: switched quickly between a red and gray
"overlay/filter"

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 0x7f26f9e62840 (LWP 1332))]

Thread 7 (Thread 0x7f26c75ef700 (LWP 2195)):
#0  0x00007f26fee61494 in __GI___libc_read (nbytes=16, buf=0x7f26c75eeb40,
fd=22) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f26fee61494 in __GI___libc_read (fd=22,
buf=buf@entry=0x7f26c75eeb40, nbytes=nbytes@entry=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f26fcf9faa0 in read (__nbytes=16, __buf=0x7f26c75eeb40,
__fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f26fcf9faa0 in g_wakeup_acknowledge (wakeup=0x7f26d8003d80) at
../../../glib/gwakeup.c:210
#4  0x00007f26fcf59c0f in g_main_context_check
(context=context@entry=0x7f26c0000bf0, max_priority=2147483647,
fds=fds@entry=0x7f26c0004e10, n_fds=n_fds@entry=1) at
../../../glib/gmain.c:3698
#5  0x00007f26fcf5a0e0 in g_main_context_iterate
(context=context@entry=0x7f26c0000bf0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3917
#6  0x00007f26fcf5a25c in g_main_context_iteration (context=0x7f26c0000bf0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
#7  0x00007f26ff377743 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f26c0000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f26ff32515b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f26c75eed60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#9  0x00007f26ff174e76 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#10 0x00007f26ff17ea67 in QThreadPrivate::start(void*) (arg=0x561cecf865c0) at
thread/qthread_unix.cpp:367
#11 0x00007f26fe09afa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#12 0x00007f26fee704cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f26e8c09700 (LWP 1561)):
#0  0x00007f26fee65819 in __GI___poll (fds=0x7f26d80055d0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f26fcf5a136 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f26d80055d0, timeout=<optimized out>, context=0x7f26d8000bf0)
at ../../../glib/gmain.c:4221
#2  0x00007f26fcf5a136 in g_main_context_iterate
(context=context@entry=0x7f26d8000bf0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3915
#3  0x00007f26fcf5a25c in g_main_context_iteration (context=0x7f26d8000bf0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
#4  0x00007f26ff377743 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f26d8000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f26ff32515b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f26e8c08d20, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f26ff174e76 in QThread::exec() (this=this@entry=0x561ce8dddf10) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f2700d2a476 in QQuickPixmapReader::run() (this=0x561ce8dddf10) at
util/qquickpixmapcache.cpp:934
#8  0x00007f26ff17ea67 in QThreadPrivate::start(void*) (arg=0x561ce8dddf10) at
thread/qthread_unix.cpp:367
#9  0x00007f26fe09afa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f26fee704cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f26ebfff700 (LWP 1521)):
#0  0x00007f26fe0a100c in futex_wait_cancelable (private=0, expected=0,
futex_word=0x561ce8fb120c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f26fe0a100c in __pthread_cond_wait_common (abstime=0x0,
mutex=0x561ce8fb11b8, cond=0x561ce8fb11e0) at pthread_cond_wait.c:502
#2  0x00007f26fe0a100c in __pthread_cond_wait (cond=0x561ce8fb11e0,
mutex=0x561ce8fb11b8) at pthread_cond_wait.c:655
#3  0x00007f26f0be7e83 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f26f0be7bd7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f26fe09afa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#6  0x00007f26fee704cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f26f2dcf700 (LWP 1458)):
#0  0x00007f26fee65819 in __GI___poll (fds=0x7f26e4004a00, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f26fcf5a136 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f26e4004a00, timeout=<optimized out>, context=0x7f26e4000bf0)
at ../../../glib/gmain.c:4221
#2  0x00007f26fcf5a136 in g_main_context_iterate
(context=context@entry=0x7f26e4000bf0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3915
#3  0x00007f26fcf5a25c in g_main_context_iteration (context=0x7f26e4000bf0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
#4  0x00007f26ff377743 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f26e4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f26ff32515b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f26f2dced40, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f26ff174e76 in QThread::exec() (this=this@entry=0x561ce8e2d360) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f2700aa5c65 in QQmlThreadPrivate::run() (this=0x561ce8e2d360) at
qml/ftw/qqmlthread.cpp:148
#8  0x00007f26ff17ea67 in QThreadPrivate::start(void*) (arg=0x561ce8e2d360) at
thread/qthread_unix.cpp:367
#9  0x00007f26fe09afa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#10 0x00007f26fee704cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f26f3fff700 (LWP 1371)):
#0  0x00007f26fee61494 in __GI___libc_read (nbytes=16, buf=0x7f26f3ffeb10,
fd=7) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007f26fee61494 in __GI___libc_read (fd=7, buf=buf@entry=0x7f26f3ffeb10,
nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f26fcf9faa0 in read (__nbytes=16, __buf=0x7f26f3ffeb10,
__fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  0x00007f26fcf9faa0 in g_wakeup_acknowledge (wakeup=0x7f26f4001bc0) at
../../../glib/gwakeup.c:210
#4  0x00007f26fcf59c0f in g_main_context_check
(context=context@entry=0x7f26ec000bf0, max_priority=2147483647,
fds=fds@entry=0x7f26ec013000, n_fds=n_fds@entry=1) at
../../../glib/gmain.c:3698
#5  0x00007f26fcf5a0e0 in g_main_context_iterate
(context=context@entry=0x7f26ec000bf0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3917
#6  0x00007f26fcf5a25c in g_main_context_iteration (context=0x7f26ec000bf0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:3981
#7  0x00007f26ff377743 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f26ec000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007f26ff32515b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f26f3ffed30, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#9  0x00007f26ff174e76 in QThread::exec() (this=this@entry=0x7f26ffc30d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#10 0x00007f26ffbb1545 in QDBusConnectionManager::run() (this=0x7f26ffc30d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#11 0x00007f26ff17ea67 in QThreadPrivate::start(void*) (arg=0x7f26ffc30d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:367
#12 0x00007f26fe09afa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#13 0x00007f26fee704cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f26f90b5700 (LWP 1349)):
#0  0x00007f26fee65819 in __GI___poll (fds=fds@entry=0x7f26f90b4c78,
nfds=nfds@entry=1, timeout=timeout@entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2701176cf7 in poll (__timeout=-1, __nfds=1, __fds=0x7f26f90b4c78)
at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x00007f2701176cf7 in _xcb_conn_wait (c=c@entry=0x561ce8d232e0,
cond=cond@entry=0x561ce8d23320, vector=vector@entry=0x0, count=count@entry=0x0)
at ../../src/xcb_conn.c:479
#3  0x00007f270117891a in xcb_wait_for_event (c=0x561ce8d232e0) at
../../src/xcb_in.c:697
#4  0x00007f26f9a1ad79 in QXcbEventReader::run() (this=0x561ce8d2d2d0) at
qxcbconnection.h:409
#5  0x00007f26ff17ea67 in QThreadPrivate::start(void*) (arg=0x561ce8d2d2d0) at
thread/qthread_unix.cpp:367
#6  0x00007f26fe09afa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#7  0x00007f26fee704cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f26f9e62840 (LWP 1332)):
[KCrash Handler]
#6  0x00007f26ff32f7a0 in QMetaObject::methodOffset() const
(this=this@entry=0x0) at kernel/qmetaobject.cpp:392
#7  0x00007f26ff34fe0b in QMetaObject::activate(QObject*, int, void**)
(sender=0x561ced356b50, signal_index=6, argv=0x0) at kernel/qobject.cpp:3818
#8  0x00007f270089f7d0 in non-virtual thunk to
VDMModelDelegateDataType::notify(QQmlAdaptorModel const&,
QList<QQmlDelegateModelItem*> const&, int, int, QVector<int> const&) const ()
at qml/qqmlguard_p.h:158
#9  0x00007f2700ae88de in
QQmlAdaptorModel::notify(QList<QQmlDelegateModelItem*> const&, int, int,
QVector<int> const&) const (roles=..., count=15, index=0, items=...,
this=0x561cec4ccec8) at
../../include/QtQml/5.11.3/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:136
#10 0x00007f2700ae88de in QQmlDelegateModel::_q_itemsChanged(int, int,
QVector<int> const&) (this=<optimized out>, index=0, count=15, roles=...) at
types/qqmldelegatemodel.cpp:1168
#11 0x00007f2700aef5fc in QQmlDelegateModel::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (_o=_o@entry=0x561ced1cea90,
_c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=12,
_a=_a@entry=0x7ffd73a6ec70) at .moc/moc_qqmldelegatemodel_p.cpp:202
#12 0x00007f2700aef9cb in QQmlDelegateModel::qt_metacall(QMetaObject::Call,
int, void**) (this=0x561ced1cea90, _c=QMetaObject::InvokeMetaMethod, _id=12,
_a=0x7ffd73a6ec70) at .moc/moc_qqmldelegatemodel_p.cpp:330
#13 0x00007f26ff34f8b7 in QMetaObject::activate(QObject*, int, int, void**)
(sender=0x561ced1d1360, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3786
#14 0x00007f26ff2d9eed in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=...,
_t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:552
#15 0x00007f26e82a3abc in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#16 0x00007f26e82c0593 in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#17 0x00007f26e82c36fb in  () at
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#18 0x00007f27009f9726 in QQmlVMEMetaObject::metaCall(QObject*,
QMetaObject::Call, int, void**) (this=<optimized out>, o=<optimized out>,
c=QMetaObject::WriteProperty, _id=<optimized out>, a=0x7ffd73a6eef0) at
qml/qqmlvmemetaobject.cpp:907
#19 0x00007f2700a0fd32 in QQmlPropertyData::writeProperty(QObject*, void*,
QFlags<QQmlPropertyData::WriteFlag>) const (this=this@entry=0x7f26e4467be8,
target=target@entry=0x561ced1aed10, value=<optimized out>, flags=...,
flags@entry=...) at
../../include/QtQml/5.11.3/QtQml/private/../../../../../src/qml/qml/qqmlpropertycache_p.h:350
#20 0x00007f2700a0d009 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData
const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>)
(object=object@entry=0x561ced1aed10, property=..., value=...,
context=<optimized out>, flags=..., flags@entry=...) at
qml/qqmlproperty.cpp:1236
#21 0x00007f27009c3590 in
QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*,
QQmlPropertyData*, QV4::Value const&) (engine=0x7f26f4005d60, object=<optimized
out>, property=0x7f26e4467be8, value=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qflags.h:121
#22 0x00007f27009c3fae in
QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
(value=..., revisionMode=QV4::QObjectWrapper::IgnoreRevision, name=<optimized
out>, object=0x561ced1aed10, qmlContext=<optimized out>, engine=0x7f26f4005d60)
at jsruntime/qv4qobjectwrapper.cpp:429
#23 0x00007f27009c3fae in
QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*,
QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&)
(engine=0x7f26f4005d60, qmlContext=<optimized out>, object=0x561ced1aed10,
name=<optimized out>, revisionMode=QV4::QObjectWrapper::IgnoreRevision,
value=...) at jsruntime/qv4qobjectwrapper.cpp:412
#24 0x00007f27009c40a4 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*,
QV4::Value const&) (m=0x7f26f2190590, name=0x7f26f2190588, value=...) at
/usr/include/c++/8/bits/atomic_base.h:390
#25 0x00007f27009d711c in QV4::Object::put(QV4::String*, QV4::Value const&)
(v=..., name=<optimized out>, this=<optimized out>) at
../../include/QtQml/5.11.3/QtQml/private/../../../../../src/qml/memory/qv4heap_p.h:101
#26 0x00007f27009d711c in
QV4::Runtime::method_storeProperty(QV4::ExecutionEngine*, QV4::Value const&,
int, QV4::Value const&) (engine=engine@entry=0x7f26f4005d60, object=...,
nameIndex=<optimized out>, value=...) at jsruntime/qv4runtime.cpp:549
#27 0x00007f27009e2959 in storePropertyHelper(QV4::Function*, QV4::Value
const&, int, QV4::Value const&) (f=0x561cec4b6280, base=..., name=<optimized
out>, value=...) at jit/qv4jit.cpp:368
#28 0x00007f26deaf048f in  ()
#29 0x00007f26f21904f8 in  ()
#30 0x00007f26f2190508 in  ()
#31 0x00007f26f4005d60 in  ()
#32 0x0000000000000000 in  ()
[Inferior 1 (process 1332) detached]

The reporter indicates this bug may be a duplicate of or related to bug 418687.

Possible duplicates by query: bug 418687.

Reported using DrKonqi

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