[kde] [Bug 350644] New: Crashes when attempting to set custom window rules

Aru Sahni arusahni at gmail.com
Mon Jul 27 02:26:42 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=350644

            Bug ID: 350644
           Summary: Crashes when attempting to set custom window rules
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: arusahni at gmail.com

Application: systemsettings5 (5.3.1)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-23-generic x86_64
Distribution: Ubuntu 15.04

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

When I right click a window title, selecect More Actions > Special Application
Settings, I am immediately greeted with a crash dialog.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0dce25d780 (LWP 2344))]

Thread 3 (Thread 0x7f0dbd9df700 (LWP 2345)):
#0  0x00007f0dca9ca8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0dc8ce4b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0dc8ce664f in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0dbff2a099 in QXcbEventReader::run (this=0x127c690) at
qxcbconnection.cpp:1105
#4  0x00007f0dcb04bb0e in QThreadPrivate::start (arg=0x127c690) at
thread/qthread_unix.cpp:337
#5  0x00007f0dc7bfe6aa in start_thread (arg=0x7f0dbd9df700) at
pthread_create.c:333
#6  0x00007f0dca9d5eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f0dad4be700 (LWP 2346)):
#0  0x00007f0dca9c649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0dc77232f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0dc76df96c in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0dc76dfe60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0dc76dffcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0dcb2e2c6c in QEventDispatcherGlib::processEvents
(this=0x7f0da80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007f0dcb2873e2 in QEventLoop::exec (this=this at entry=0x7f0dad4bde20,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f0dcb046b44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#8  0x00007f0dca011f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f0dcb04bb0e in QThreadPrivate::start (arg=0x1d900b0) at
thread/qthread_unix.cpp:337
#10 0x00007f0dc7bfe6aa in start_thread (arg=0x7f0dad4be700) at
pthread_create.c:333
#11 0x00007f0dca9d5eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f0dce25d780 (LWP 2344)):
[KCrash Handler]
#6  0x00007f0dc9f32f97 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0dc9edd151 in QV4::ExecutionEngine::~ExecutionEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f0dca0150d5 in QV8Engine::~QV8Engine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f0dca0152b9 in QV8Engine::~QV8Engine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007f0dc9e7a061 in QJSEngine::~QJSEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007f0dc9f773c5 in QQmlEngine::~QQmlEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007f0dc9f77499 in QQmlEngine::~QQmlEngine() () from
/usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007f0da5fca242 in cleanup (pointer=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
#14 reset (other=0x0, this=0x7f0da6259708
<Aurorae::Helper::instance()::s_helper+8>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:149
#15 Aurorae::Helper::unref (this=0x7f0da6259700
<Aurorae::Helper::instance()::s_helper>) at
../../../../clients/aurorae/src/aurorae.cpp:113
#16 0x00007f0da5fce3f8 in unref (this=<optimized out>) at
../../../../clients/aurorae/src/aurorae.cpp:271
#17 Aurorae::Decoration::~Decoration (this=0x1df7780, __in_chrg=<optimized
out>) at ../../../../clients/aurorae/src/aurorae.cpp:266
#18 0x00007f0da5fce419 in Aurorae::Decoration::~Decoration (this=0x1df7780,
__in_chrg=<optimized out>) at ../../../../clients/aurorae/src/aurorae.cpp:277
#19 0x00007f0dcb2bb778 in QObject::event (this=0x1df7780, e=<optimized out>) at
kernel/qobject.cpp:1236
#20 0x00007f0dcc075b2c in QApplicationPrivate::notify_helper (this=0x1265b10,
receiver=0x1df7780, e=0x398c2c0) at kernel/qapplication.cpp:3720
#21 0x00007f0dcc07b000 in QApplication::notify (this=0x7ffcb0d91d60,
receiver=0x1df7780, e=0x398c2c0) at kernel/qapplication.cpp:3503
#22 0x00007f0dcb289c2b in QCoreApplication::notifyInternal
(this=0x7ffcb0d91d60, receiver=0x1df7780, event=event at entry=0x398c2c0) at
kernel/qcoreapplication.cpp:935
#23 0x00007f0dcb28bc9b in sendEvent (event=0x398c2c0, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52,
data=0x1264d60) at kernel/qcoreapplication.cpp:1552
#25 0x00007f0dc9abab6e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f0dc9aec463 in QQuickWindow::~QQuickWindow() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#27 0x00007f0dc9b9ba49 in QQuickView::~QQuickView() () from
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#28 0x00007f0dcc0d4dd5 in QWindowContainer::~QWindowContainer (this=0x1eb2520,
__in_chrg=<optimized out>) at kernel/qwindowcontainer.cpp:219
#29 0x00007f0dcc0d4df9 in QWindowContainer::~QWindowContainer (this=0x1eb2520,
__in_chrg=<optimized out>) at kernel/qwindowcontainer.cpp:220
#30 0x00007f0dcb2b918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1de6430) at kernel/qobject.cpp:1950
#31 0x00007f0dcc0b557a in QWidget::~QWidget (this=0x1de63f0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#32 0x00007f0dcc0b57e9 in QWidget::~QWidget (this=0x1de63f0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1662
#33 0x00007f0dcb2b918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1d1b150) at kernel/qobject.cpp:1950
#34 0x00007f0dcc0b557a in QWidget::~QWidget (this=0x1deaa50,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#35 0x00007f0daddb64fe in ~ConfigurationForm (this=0x1deaa50,
__in_chrg=<optimized out>) at ../../../kcmkwin/kwindecoration/kcm.h:41
#36 KDecoration2::Configuration::ConfigurationForm::~ConfigurationForm
(this=0x1deaa50, __in_chrg=<optimized out>) at
../../../kcmkwin/kwindecoration/kcm.h:41
#37 0x00007f0dcb2b918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1c4d320) at kernel/qobject.cpp:1950
#38 0x00007f0dcc0b557a in QWidget::~QWidget (this=0x1dbeb90,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#39 0x00007f0dccb591c7 in KCModule::~KCModule (this=0x1dbeb90,
__in_chrg=<optimized out>) at ../../src/kcmodule.cpp:177
#40 0x00007f0daddb11a1 in ~ConfigurationModule (this=0x1dbeb90,
__in_chrg=<optimized out>) at ../../../kcmkwin/kwindecoration/kcm.h:47
#41 KDecoration2::Configuration::ConfigurationModule::~ConfigurationModule
(this=0x1dbeb90, __in_chrg=<optimized out>) at
../../../kcmkwin/kwindecoration/kcm.h:47
#42 0x00007f0dcdddce34 in KCModuleProxy::deleteClient
(this=this at entry=0x1d58ee0) at ../../src/kcmoduleproxy.cpp:217
#43 0x00007f0dcdddcf36 in KCModuleProxy::~KCModuleProxy (this=0x1d58ee0,
__in_chrg=<optimized out>) at ../../src/kcmoduleproxy.cpp:208
#44 0x00007f0dcdddd049 in KCModuleProxy::~KCModuleProxy (this=0x1d58ee0,
__in_chrg=<optimized out>) at ../../src/kcmoduleproxy.cpp:212
#45 0x00007f0dcb2b918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1d62c10) at kernel/qobject.cpp:1950
#46 0x00007f0dcc0b557a in QWidget::~QWidget (this=0x1d56230,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#47 0x00007f0dcc0b57e9 in QWidget::~QWidget (this=0x1d56230,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1662
#48 0x00007f0dcb2b918c in QObjectPrivate::deleteChildren
(this=this at entry=0x1d62970) at kernel/qobject.cpp:1950
#49 0x00007f0dcc0b557a in QWidget::~QWidget (this=0x1d4f410,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1642
#50 0x00007f0dcc244059 in QScrollArea::~QScrollArea (this=0x1d4f410,
__in_chrg=<optimized out>) at widgets/qscrollarea.cpp:168
#51 0x00007f0dcc69f213 in ~Private (this=0x1d589f0, __in_chrg=<optimized out>)
at ../../src/kpagewidgetmodel.cpp:40
#52 KPageWidgetItem::~KPageWidgetItem (this=0x1d58810, __in_chrg=<optimized
out>) at ../../src/kpagewidgetmodel.cpp:86
#53 0x00007f0dcc69fbf4 in ~KPageWidgetItem (this=0x1d58810,
__in_chrg=<optimized out>) at ../../src/kpagewidgetmodel.cpp:87
#54 PageItem::~PageItem (this=0x1d56150, __in_chrg=<optimized out>) at
../../src/kpagewidgetmodel.cpp:176
#55 0x00007f0dcc6a0e08 in KPageWidgetModel::removePage (this=0x1be7e50,
item=<optimized out>) at ../../src/kpagewidgetmodel.cpp:537
#56 0x00007f0dcc69ed67 in KPageWidget::removePage (this=<optimized out>,
item=<optimized out>) at ../../src/kpagewidget.cpp:120
#57 0x00007f0dce010875 in ModuleView::closeModules (this=0x1be2f80) at
../../core/ModuleView.cpp:275
#58 0x00007f0daf2cb5ce in IconMode::backToOverview (this=0x1be0f40) at
../../icons/IconMode.cpp:156
#59 0x00007f0dcb2ba9c9 in QMetaObject::activate (sender=sender at entry=0x1beb7b0,
signalOffset=<optimized out>, local_signal_index=local_signal_index at entry=1,
argv=argv at entry=0x7ffcb0d90f90) at kernel/qobject.cpp:3716
#60 0x00007f0dcb2bb057 in QMetaObject::activate (sender=sender at entry=0x1beb7b0,
m=m at entry=0x7f0dcc58cb40 <QAction::staticMetaObject>,
local_signal_index=local_signal_index at entry=1, argv=argv at entry=0x7ffcb0d90f90)
at kernel/qobject.cpp:3582
#61 0x00007f0dcc06b722 in QAction::triggered (this=this at entry=0x1beb7b0,
_t1=false) at .moc/moc_qaction.cpp:360
#62 0x00007f0dcc06de28 in QAction::activate (this=0x1beb7b0, event=<optimized
out>) at kernel/qaction.cpp:1167
#63 0x00007f0dcc17223d in QAbstractButtonPrivate::click (this=0x1c45e60) at
widgets/qabstractbutton.cpp:516
#64 0x00007f0dcc172454 in QAbstractButton::mouseReleaseEvent (this=0x1c43450,
e=0x7ffcb0d91490) at widgets/qabstractbutton.cpp:1132
#65 0x00007f0dcc23e23a in QToolButton::mouseReleaseEvent (this=<optimized out>,
e=<optimized out>) at widgets/qtoolbutton.cpp:609
#66 0x00007f0dcc0b91e8 in QWidget::event (this=0x1c43450, event=0x7ffcb0d91490)
at kernel/qwidget.cpp:9022
#67 0x00007f0dcc173773 in QAbstractButton::event (this=this at entry=0x1c43450,
e=e at entry=0x7ffcb0d91490) at widgets/qabstractbutton.cpp:1089
#68 0x00007f0dcc23e319 in QToolButton::event (this=0x1c43450,
event=0x7ffcb0d91490) at widgets/qtoolbutton.cpp:965
#69 0x00007f0dcc075b2c in QApplicationPrivate::notify_helper (this=0x1265b10,
receiver=0x1c43450, e=0x7ffcb0d91490) at kernel/qapplication.cpp:3720
#70 0x00007f0dcc07b8eb in QApplication::notify (this=0x7ffcb0d911d0,
receiver=0x7ffcb0d911f0, e=0x7ffcb0d91490) at kernel/qapplication.cpp:3280
#71 0x00007f0dcb289c2b in QCoreApplication::notifyInternal
(this=0x7ffcb0d91d60, receiver=receiver at entry=0x1c43450,
event=event at entry=0x7ffcb0d91490) at kernel/qcoreapplication.cpp:935
#72 0x00007f0dcc07a3da in sendSpontaneousEvent (event=0x7ffcb0d91490,
receiver=0x1c43450) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#73 QApplicationPrivate::sendMouseEvent (receiver=0x1c43450,
event=0x7ffcb0d91490, alienWidget=0x1c43450, nativeWidget=0x1419e80,
buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:2751
#74 0x00007f0dcc0d1cc0 in QWidgetWindow::handleMouseEvent (this=0x204c320,
event=0x7ffcb0d918a0) at kernel/qwidgetwindow.cpp:543
#75 0x00007f0dcc0d3e33 in QWidgetWindow::event (this=0x204c320,
event=0x7ffcb0d918a0) at kernel/qwidgetwindow.cpp:210
#76 0x00007f0dcc075b2c in QApplicationPrivate::notify_helper (this=0x1265b10,
receiver=0x204c320, e=0x7ffcb0d918a0) at kernel/qapplication.cpp:3720
#77 0x00007f0dcc07b000 in QApplication::notify (this=0x7ffcb0d91d60,
receiver=0x204c320, e=0x7ffcb0d918a0) at kernel/qapplication.cpp:3503
#78 0x00007f0dcb289c2b in QCoreApplication::notifyInternal
(this=0x7ffcb0d91d60, receiver=0x204c320, event=0x7ffcb0d918a0) at
kernel/qcoreapplication.cpp:935
#79 0x00007f0dcbab8f82 in sendSpontaneousEvent (event=<optimized out>,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#80 QGuiApplicationPrivate::processMouseEvent (e=0x3f4fe60) at
kernel/qguiapplication.cpp:1774
#81 0x00007f0dcbabab45 in QGuiApplicationPrivate::processWindowSystemEvent
(e=e at entry=0x3f4fe60) at kernel/qguiapplication.cpp:1576
#82 0x00007f0dcba9f34f in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at kernel/qwindowsysteminterface.cpp:572
#83 0x00007f0dbff54590 in userEventSourceDispatch (source=<optimized out>) at
eventdispatchers/qeventdispatcher_glib.cpp:70
#84 0x00007f0dc76dfc3d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#85 0x00007f0dc76dff20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#86 0x00007f0dc76dffcc in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#87 0x00007f0dcb2e2c57 in QEventDispatcherGlib::processEvents (this=0x12a3350,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#88 0x00007f0dcb2873e2 in QEventLoop::exec (this=this at entry=0x7ffcb0d91c40,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#89 0x00007f0dcb28f02c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#90 0x00007f0dcbab031c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#91 0x00007f0dcc0717a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#92 0x000000000040ef6b in main (argc=1, argv=<optimized out>) at
../../app/main.cpp:55

Reported using DrKonqi

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