Bug 284119

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

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

I was browsing Google+ when the crash occured. Possibly at the same time I started a Flash game in Google+.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Aborted
[Current thread is 1 (Thread 0x7f59046657a0 (LWP 2474))]

Thread 3 (Thread 0x7f58e3370700 (LWP 2477)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f5903ef09df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f5903eeed71 in __GI___libc_free (mem=0x7f590420c1c0) at malloc.c:3736
#3  0x00007f590113b665 in socketNotifierSourceCheck (source=0x15a3340) at kernel/qeventdispatcher_glib.cpp:92
#4  0x00007f58f84d4734 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f58f84d4f82 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f58f84d5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f590113bed6 in QEventDispatcherGlib::processEvents (this=0x15a2080, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#8  0x00007f590110fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f590110fef7 in QEventLoop::exec (this=0x7f58e336fdb0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007f590102727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#11 0x00007f59010f2cbf in QInotifyFileSystemWatcherEngine::run (this=0x15a0a60) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x00007f5901029d05 in QThreadPrivate::start (arg=0x15a0a60) at thread/qthread_unix.cpp:331
#13 0x00007f58f8fe1efc in start_thread (arg=0x7f58e3370700) at pthread_create.c:304
#14 0x00007f5903f5389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f58da9ee700 (LWP 2479)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f5903ef09df in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f5903eeed71 in __GI___libc_free (mem=0x7f590420c1c0) at malloc.c:3736
#3  0x00007f58f84d04e1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f590113bc37 in QEventDispatcherGlib::~QEventDispatcherGlib (this=0x17df610, __in_chrg=<optimized out>) at kernel/qeventdispatcher_glib.cpp:373
#5  0x00007f590113be49 in QEventDispatcherGlib::~QEventDispatcherGlib (this=0x17df610, __in_chrg=<optimized out>) at kernel/qeventdispatcher_glib.cpp:401
#6  0x00007f5901028e34 in QThreadPrivate::finish (arg=0x7f5901444580) at thread/qthread_unix.cpp:367
#7  0x00007f5901029d0d in ~__pthread_cleanup_class (this=<synthetic pointer>, __in_chrg=<optimized out>) at /usr/include/pthread.h:545
#8  ~__pthread_cleanup_class (this=<synthetic pointer>, __in_chrg=<optimized out>) at thread/qthread_unix.cpp:824
#9  QThreadPrivate::start (arg=0x7f5901444580) at thread/qthread_unix.cpp:290
#10 0x00007f58f8fe1efc in start_thread (arg=0x7f58da9ee700) at pthread_create.c:304
#11 0x00007f5903f5389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f59046657a0 (LWP 2474)):
[KCrash Handler]
#6  0x00007f5903ea83a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f5903eabb0b in __GI_abort () at abort.c:92
#8  0x00007f5903ee0113 in __libc_message (do_abort=2, fmt=0x7f5903fd10d8 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f5903eeaa96 in malloc_printerr (action=3, str=0x7f5903fd11e8 "free(): invalid next size (fast)", ptr=<optimized out>) at malloc.c:6283
#10 0x00007f5903eeed7c in __GI___libc_free (mem=<optimized out>) at malloc.c:3738
#11 0x00007f590106e0ac in QString::free (d=0x239bc00) at tools/qstring.cpp:1186
#12 0x00007f59010454da in QHashData::free_helper (this=0x182b170, node_delete=0x7f5903b12f20 <QHash<QString, QRectF>::deleteNode2(QHashData::Node*)>) at tools/qhash.cpp:271
#13 0x00007f5903b10948 in freeData (x=<optimized out>, this=<optimized out>) at /usr/include/qt4/QtCore/qhash.h:568
#14 operator= (other=<optimized out>, this=0x34c87a8) at /usr/include/qt4/QtCore/qhash.h:595
#15 clear (this=0x34c87a8) at /usr/include/qt4/QtCore/qhash.h:574
#16 Plasma::SvgPrivate::eraseRenderer (this=0x34c8790) at ../../plasma/svg.cpp:462
#17 0x00007f5903b109d9 in Plasma::SvgPrivate::~SvgPrivate (this=0x34c8790, __in_chrg=<optimized out>) at ../../plasma/svg.cpp:153
#18 0x00007f5903b10ac0 in Plasma::Svg::~Svg (this=0x178cec0, __in_chrg=<optimized out>) at ../../plasma/svg.cpp:643
#19 0x00007f5903a9dcd9 in Plasma::FrameSvg::~FrameSvg (this=0x178cec0, __in_chrg=<optimized out>) at ../../plasma/framesvg.cpp:60
#20 0x00007f5901122d75 in QObjectPrivate::deleteChildren (this=0x351d720) at kernel/qobject.cpp:1955
#21 0x00007f5901128349 in QObject::~QObject (this=0x2ff6cf0, __in_chrg=<optimized out>) at kernel/qobject.cpp:946
#22 0x00007f5900ae3548 in ~QGraphicsObject (this=0x2ff6cf0, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#23 QGraphicsWidget::~QGraphicsWidget (this=0x2ff6cf0, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#24 0x00007f5903b31629 in Plasma::IconWidget::~IconWidget (this=0x2ff6cf0, __in_chrg=<optimized out>) at ../../plasma/widgets/iconwidget.cpp:378
#25 0x00007f5900a93dc6 in QGraphicsItem::~QGraphicsItem (this=0x2574b50, __in_chrg=<optimized out>) at graphicsview/qgraphicsitem.cpp:1488
#26 0x00007f5900ae3540 in ~QGraphicsObject (this=0x2574b40, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#27 QGraphicsWidget::~QGraphicsWidget (this=0x2574b40, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#28 0x00007f58d9fd6859 in NotificationWidget::~NotificationWidget (this=0x2574b40, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/notifications/ui/notificationwidget.cpp:198
#29 0x00007f5901127a88 in QObject::event (this=0x2574b40, e=<optimized out>) at kernel/qobject.cpp:1200
#30 0x00007f5900adf89b in QGraphicsWidget::event (this=0x2574b40, event=0x1f63130) at graphicsview/qgraphicswidget.cpp:1455
#31 0x00007f59004c1424 in notify_helper (e=0x1f63130, receiver=0x2574b40, this=0xdd46d0) at kernel/qapplication.cpp:4486
#32 QApplicationPrivate::notify_helper (this=0xdd46d0, receiver=0x2574b40, e=0x1f63130) at kernel/qapplication.cpp:4458
#33 0x00007f59004c6291 in QApplication::notify (this=0xdcdfa0, receiver=0x2574b40, e=0x1f63130) at kernel/qapplication.cpp:4365
#34 0x00007f5901dbf1e6 in KApplication::notify (this=0xdcdfa0, receiver=0x2574b40, event=0x1f63130) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007f5901110afc in QCoreApplication::notifyInternal (this=0xdcdfa0, receiver=0x2574b40, event=0x1f63130) at kernel/qcoreapplication.cpp:787
#36 0x00007f590111451f in sendEvent (event=0x1f63130, receiver=0x2574b40) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xd32430) at kernel/qcoreapplication.cpp:1428
#38 0x00007f590113ba73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#39 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#40 0x00007f58f84d4a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f58f84d5258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007f58f84d5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007f590113bed6 in QEventDispatcherGlib::processEvents (this=0xd33f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#44 0x00007f590056907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x00007f590110fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007f590110fef7 in QEventLoop::exec (this=0x7fff735ffe90, flags=...) at kernel/qeventloop.cpp:201
#47 0x00007f5901114789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#48 0x00007f59042521a3 in kdemain (argc=1, argv=0x7fff73600278) at ../../../../plasma/desktop/shell/main.cpp:120
#49 0x00007f5903e9330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff73600278, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff73600268) at libc-start.c:226
#50 0x0000000000400671 in _start ()

Possible duplicates by query: bug 283789, bug 279590, bug 275298, bug 257248, bug 257160.

Reported using DrKonqi