Bug 349927

Application: kdeinit5 (5.3.1)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-21-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
Open System Settings window, Application Style, click on "Window decorations" tab.

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Control Module (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1bdfc87780 (LWP 2998))]

Thread 4 (Thread 0x7f1bc0f58700 (LWP 3000)):
#0  0x00007f1bde37e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1bdb56cebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bdb56cfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bde987c6c in QEventDispatcherGlib::processEvents (this=0x7f1bbc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1bde92c3e2 in QEventLoop::exec (this=this@entry=0x7f1bc0f57e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1bde6ebb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1bcf418f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1bde6f0b0e in QThreadPrivate::start (arg=0x9029b0) at thread/qthread_unix.cpp:337
#8  0x00007f1bdbfc96aa in start_thread (arg=0x7f1bc0f58700) at pthread_create.c:333
#9  0x00007f1bde389eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f1bb8b08700 (LWP 3001)):
#0  0x00007f1bde37e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1bdb56cebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bdb56cfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bde987c6c in QEventDispatcherGlib::processEvents (this=0x7f1bb40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1bde92c3e2 in QEventLoop::exec (this=this@entry=0x7f1bb8b07e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1bde6ebb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1bcf418f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1bde6f0b0e in QThreadPrivate::start (arg=0x15399c0) at thread/qthread_unix.cpp:337
#8  0x00007f1bdbfc96aa in start_thread (arg=0x7f1bb8b08700) at pthread_create.c:333
#9  0x00007f1bde389eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f1bb1f10700 (LWP 3002)):
#0  0x00007f1bde37e8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f1bdb56cebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1bdb56cfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1bde987c6c in QEventDispatcherGlib::processEvents (this=0x7f1bac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f1bde92c3e2 in QEventLoop::exec (this=this@entry=0x7f1bb1f0fe20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f1bde6ebb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f1bcf418f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f1bde6f0b0e in QThreadPrivate::start (arg=0x1a632f0) at thread/qthread_unix.cpp:337
#8  0x00007f1bdbfc96aa in start_thread (arg=0x7f1bb1f10700) at pthread_create.c:333
#9  0x00007f1bde389eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f1bdfc87780 (LWP 2998)):
[KCrash Handler]
#6  0x0000000000000061 in ?? ()
#7  0x00007f1bc93e18e1 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007f1bc93e195b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#9  0x00007f1bb9f79a40 in Breeze::Decoration::setOpacity (this=this@entry=0x19aeff0, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:96
#10 0x00007f1bb9f9b2f8 in Breeze::Decoration::qt_metacall (this=0x19aeff0, _c=QMetaObject::WriteProperty, _id=0, _a=0x7fff012a6330) at moc_breezedecoration.cpp:150
#11 0x00007f1bde6d15ca in updateProperty (newValue=..., this=0x19bda60) at animation/qpropertyanimation.cpp:135
#12 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#13 0x00007f1bde6ccf48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x19bda60, progress=progress@entry=0.99857777777777779) at animation/qvariantanimation.cpp:290
#14 0x00007f1bde6cdd1b in recalculateCurrentInterval (force=false, this=0x19bda60) at animation/qvariantanimation.cpp:275
#15 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#16 0x00007f1bde6c9baf in QAbstractAnimation::setCurrentTime (this=0x19b12c0, msecs=146) at animation/qabstractanimation.cpp:1321
#17 0x00007f1bde6c9e96 in updateAnimationsTime (delta=4, this=0x1a13380) at animation/qabstractanimation.cpp:606
#18 QUnifiedTimer::updateAnimationTimers (this=0x1909dd0) at animation/qabstractanimation.cpp:323
#19 0x00007f1bcf453a5e in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007f1bcef70dac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f1bcefcb244 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f1bcef79ea3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f1bceedc1ae in QQuickItem::setWidth(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f1bceee8be6 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f1bcf392ba7 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::ValueRef, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#27 0x00007f1bcf40751c in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#28 0x00007f1bcf407c7e in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#29 0x00007f1bcf3e1497 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#30 0x00007f1bcf3e145e in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#31 0x00007f1bcf37e10c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#32 0x00007f1bde95f141 in QMetaObject::activate (sender=0x1113ed0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3603
#33 0x00007f1bceed7e39 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#34 0x00007f1bcef6fedc in QQuickFlickable::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#35 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#36 0x00007f1bceed2a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#37 0x00007f1bceed49a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#38 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#39 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#40 0x00007f1bceed2a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#41 0x00007f1bceed49a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#42 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#43 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#44 0x00007f1bceed2a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#45 0x00007f1bceed49a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#46 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#47 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#48 0x00007f1bceed2a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#49 0x00007f1bceed49a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#50 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#51 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#52 0x00007f1bceed2a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#53 0x00007f1bceed49a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#54 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#55 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#56 0x00007f1bc8052798 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#57 0x00007f1bdf91d186 in QGridLayoutEngine::setGeometries (this=0x10f1158, contentsGeometry=..., styleInfo=<optimized out>) at util/qgridlayoutengine.cpp:1015
#58 0x00007f1bc8051f0f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#59 0x00007f1bc80524c7 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#60 0x00007f1bceedcc60 in QQuickItem::setSize(QSizeF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#61 0x00007f1bceed2a8a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#62 0x00007f1bceed49a2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#63 0x00007f1bceed7dd3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#64 0x00007f1bceedc4fe in QQuickItem::setHeight(double) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#65 0x00007f1bcefa2d8f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#66 0x00007f1bcefa4442 in QQuickView::resizeEvent(QResizeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#67 0x00007f1bdf6497b5 in QWindow::event (this=0x8ecf00, ev=<optimized out>) at kernel/qwindow.cpp:2051
#68 0x00007f1bceefbdd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#69 0x00007f1bdcdecb2c in QApplicationPrivate::notify_helper (this=0x756280, receiver=0x8ecf00, e=0x7fff012a7d50) at kernel/qapplication.cpp:3720
#70 0x00007f1bdcdf2000 in QApplication::notify (this=0x7fff012a81e0, receiver=0x8ecf00, e=0x7fff012a7d50) at kernel/qapplication.cpp:3503
#71 0x00007f1bde92ec2b in QCoreApplication::notifyInternal (this=0x7fff012a81e0, receiver=receiver@entry=0x8ecf00, event=event@entry=0x7fff012a7d50) at kernel/qcoreapplication.cpp:935
#72 0x00007f1bdf63def4 in sendSpontaneousEvent (event=0x7fff012a7d50, receiver=0x8ecf00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#73 QGuiApplicationPrivate::processGeometryChangeEvent (e=<optimized out>) at kernel/qguiapplication.cpp:2039
#74 0x00007f1bdf642c3d in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x192b9c0) at kernel/qguiapplication.cpp:1588
#75 0x00007f1bdf62734f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#76 0x00007f1bce335590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#77 0x00007f1bdb56cc3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#78 0x00007f1bdb56cf20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#79 0x00007f1bdb56cfcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007f1bde987c57 in QEventDispatcherGlib::processEvents (this=0x819ba0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#81 0x00007f1bde92c3e2 in QEventLoop::exec (this=this@entry=0x7fff012a8050, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#82 0x00007f1bdcfee4b5 in QDialog::exec (this=0x836620) at dialogs/qdialog.cpp:541
#83 0x00007f1bce7f13d2 in kdemain (_argc=12, _argv=<optimized out>) at ../../kcmshell/main.cpp:302
#84 0x0000000000408716 in launch (argc=argc@entry=14, _name=_name@entry=0x752458 "kcmshell5", args=<optimized out>, args@entry=0x752462 "--icon", cwd=cwd@entry=0x0, envc=envc@entry=0, envs=<optimized out>, envs@entry=0x752516 "", reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x40b710 "0") at ../../../src/kdeinit/kinit.cpp:741
#85 0x000000000040a132 in handle_launcher_request (sock=8, who=who@entry=0x40b6c6 "launcher") at ../../../src/kdeinit/kinit.cpp:1180
#86 0x000000000040a6ee in handle_requests (waitForPid=waitForPid@entry=0) at ../../../src/kdeinit/kinit.cpp:1369
#87 0x000000000040501b in main (argc=5, argv=<optimized out>) at ../../../src/kdeinit/kinit.cpp:1860

Reported using DrKonqi