Bug 346672

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
Open System Settings->Application Style->Window Decorations->BOOM!

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 0x7f8a033c1780 (LWP 3080))]

Thread 4 (Thread 0x7f89f2b40700 (LWP 3081)):
#0  0x00007f89ffb2b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f89fde45b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f89fde4764f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f89f508b099 in QXcbEventReader::run (this=0xc9c410) at qxcbconnection.cpp:1105
#4  0x00007f8a001acb0e in QThreadPrivate::start (arg=0xc9c410) at thread/qthread_unix.cpp:337
#5  0x00007f89fcd5f6aa in start_thread (arg=0x7f89f2b40700) at pthread_create.c:333
#6  0x00007f89ffb36eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f89e22ce700 (LWP 3111)):
#0  0x00007f89ffb2b8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f89fc840ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f89fc840fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8a00443c6c in QEventDispatcherGlib::processEvents (this=0x7f89dc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f8a003e83e2 in QEventLoop::exec (this=this@entry=0x7f89e22cde20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f8a001a7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f89ff172f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f8a001acb0e in QThreadPrivate::start (arg=0xd37d90) at thread/qthread_unix.cpp:337
#8  0x00007f89fcd5f6aa in start_thread (arg=0x7f89e22ce700) at pthread_create.c:333
#9  0x00007f89ffb36eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f89dad9e700 (LWP 3115)):
#0  0x00007f89fc840d49 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f89fc840fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8a00443c6c in QEventDispatcherGlib::processEvents (this=0x7f89d40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#3  0x00007f8a003e83e2 in QEventLoop::exec (this=this@entry=0x7f89dad9de20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#4  0x00007f8a001a7b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#5  0x00007f89ff172f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f8a001acb0e in QThreadPrivate::start (arg=0x2857620) at thread/qthread_unix.cpp:337
#7  0x00007f89fcd5f6aa in start_thread (arg=0x7f89dad9e700) at pthread_create.c:333
#8  0x00007f89ffb36eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8a033c1780 (LWP 3080)):
[KCrash Handler]
#6  0x0000000000000090 in ?? ()
#7  0x00007f89febf7628 in QSGOpaqueTextureMaterial::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f89febf6d3c in QSGSimpleTextureNode::setTexture(QSGTexture*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f89fe8a6d9e in ManagedTextureNode::setTexture (this=<optimized out>, texture=...) at ../../../src/quickaddons/managedtexturenode.cpp:28
#10 0x00007f89e0ca8c9a in Plasma::FrameSvgItem::updatePaintNode (this=0x55f2ff0, oldNode=0x5945990) at ../../../../src/declarativeimports/core/framesvgitem.cpp:495
#11 0x00007f89fec4a4bf in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f89fec4b4cb in QQuickWindowPrivate::updateDirtyNodes() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f89fec4bd80 in QQuickWindowPrivate::syncSceneGraph() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f89fec1af05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f89fec1b979 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f8a011d6b2c in QApplicationPrivate::notify_helper (this=0xc85b10, receiver=0x11009b0, e=0x7ffc714ac400) at kernel/qapplication.cpp:3720
#17 0x00007f8a011dc000 in QApplication::notify (this=0x7ffc714ac770, receiver=0x11009b0, e=0x7ffc714ac400) at kernel/qapplication.cpp:3503
#18 0x00007f8a003eac2b in QCoreApplication::notifyInternal (this=0x7ffc714ac770, receiver=0x11009b0, event=event@entry=0x7ffc714ac400) at kernel/qcoreapplication.cpp:935
#19 0x00007f8a00442ae5 in sendEvent (event=0x7ffc714ac400, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#20 QTimerInfoList::activateTimers (this=0xccf2e0) at kernel/qtimerinfo_unix.cpp:635
#21 0x00007f8a00442f61 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:177
#22 0x00007f89fc840c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f89fc840f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f89fc840fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f8a00443c57 in QEventDispatcherGlib::processEvents (this=0xcd2e00, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#26 0x00007f8a003e83e2 in QEventLoop::exec (this=this@entry=0x7ffc714ac650, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#27 0x00007f8a003f002c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#28 0x00007f8a00c1131c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#29 0x00007f8a011d27a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#30 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi