Bug 234017

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-19-generic x86_64
Distribution: Ubuntu lucid (development branch)

-- Information about the crash:
I dragged a launcher from favorites in Kickoff. When I released the icon, plasma crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f214b98b760 (LWP 1597))]

Thread 3 (Thread 0x7f212723e710 (LWP 1598)):
#0  0x00007f214897ef93 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f21453444a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f21453448fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f2149f86566 in QEventDispatcherGlib::processEvents (this=0x1400420, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f2149f5b992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f2149f5bd6c in QEventLoop::exec (this=0x7f212723ddb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f2149e65d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f2149f3c178 in QInotifyFileSystemWatcherEngine::run (this=0xf383b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f2149e68775 in QThreadPrivate::start (arg=0xf383b0) at thread/qthread_unix.cpp:248
#9  0x00007f2149bd89ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f214898b6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f211f7fe710 (LWP 1603)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f213d2362a6 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f213d514220) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#2  0x00007f213d2362e9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f213d5222ec) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#3  0x00007f2149bd89ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f214898b6dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f214b98b760 (LWP 1597)):
[KCrash Handler]
#5  QBasicAtomicInt::ref (this=0x19bc3c0, options=) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:121
#6  QString (this=0x19bc3c0, options=) at ../../include/QtCore/../../src/corelib/tools/qstring.h:715
#7  QUrlPrivate::userInfo (this=0x19bc3c0, options=) at io/qurl.cpp:3556
#8  0x00007f2149f12ebc in QUrlPrivate::authority (this=0x19bc3c0, options=) at io/qurl.cpp:3455
#9  0x00007f2149f17f57 in QUrl::authority (this=0x7fffe71cda50) at io/qurl.cpp:4413
#10 0x00007f214b403b66 in KUrl::prettyUrl (this=0x7fffe71cda50, trailing=KUrl::LeaveTrailingSlash) at ../../kdecore/io/kurl.cpp:1051
#11 0x00007f212a93ba02 in QuicklaunchApplet::saveState (this=<value optimized out>, config=...) at ../../../../../plasma/generic/applets/quicklaunch/quicklaunchApplet.cpp:105
#12 0x00007f212a93a6db in QuicklaunchApplet::saveConfig (this=0x223dbd0) at ../../../../../plasma/generic/applets/quicklaunch/quicklaunchApplet.cpp:97
#13 0x00007f212a93cf96 in QuicklaunchApplet::dropApp (this=0x223dbd0, event=0x7fffe71ce950, droppedOnDialog=<value optimized out>)
    at ../../../../../plasma/generic/applets/quicklaunch/quicklaunchApplet.cpp:563
#14 0x00007f212a93d21c in QuicklaunchApplet::eventFilter (this=0x223dbd0, object=0x228bc80, event=0x7fffe71ce950) at ../../../../../plasma/generic/applets/quicklaunch/quicklaunchApplet.cpp:605
#15 0x00007f2149f5c487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x228bc80, event=0x7fffe71ce950) at kernel/qcoreapplication.cpp:819
#16 0x00007f21490f91fc in QApplicationPrivate::notify_helper (this=0xee3b10, receiver=0x228bc80, e=0x7fffe71ce950) at kernel/qapplication.cpp:4296
#17 0x00007f21490ff6fb in QApplication::notify (this=0xecd600, receiver=0x228bc80, e=0x7fffe71ce950) at kernel/qapplication.cpp:4183
#18 0x00007f214a4a4526 in KApplication::notify (this=0xecd600, receiver=0x228bc80, event=0x7fffe71ce950) at ../../kdeui/kernel/kapplication.cpp:302
#19 0x00007f2149f5d06c in QCoreApplication::notifyInternal (this=0xecd600, receiver=0x228bc80, event=0x7fffe71ce950) at kernel/qcoreapplication.cpp:704
#20 0x00007f2149706863 in QCoreApplication::sendEvent (this=<value optimized out>, item=0x228bc90, event=0x7fffe71ce950) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 QGraphicsScenePrivate::sendEvent (this=<value optimized out>, item=0x228bc90, event=0x7fffe71ce950) at graphicsview/qgraphicsscene.cpp:1177
#22 0x00007f2149706c8c in QGraphicsScenePrivate::sendDragDropEvent (this=0xf75ca0, item=0x228bc90, dragDropEvent=0x7fffe71ce950) at graphicsview/qgraphicsscene.cpp:1210
#23 0x00007f2149706ccc in QGraphicsScene::dropEvent (this=<value optimized out>, event=0x7fffe71cd830) at graphicsview/qgraphicsscene.cpp:3691
#24 0x00007f214971ee3f in QGraphicsScene::event (this=0xf6b250, event=0x7fffe71ce950) at graphicsview/qgraphicsscene.cpp:3349
#25 0x00007f21490f922c in QApplicationPrivate::notify_helper (this=0xee3b10, receiver=0xf6b250, e=0x7fffe71ce950) at kernel/qapplication.cpp:4300
#26 0x00007f21490ff6fb in QApplication::notify (this=0xecd600, receiver=0xf6b250, e=0x7fffe71ce950) at kernel/qapplication.cpp:4183
#27 0x00007f214a4a4526 in KApplication::notify (this=0xecd600, receiver=0xf6b250, event=0x7fffe71ce950) at ../../kdeui/kernel/kapplication.cpp:302
#28 0x00007f2149f5d06c in QCoreApplication::notifyInternal (this=0xecd600, receiver=0xf6b250, event=0x7fffe71ce950) at kernel/qcoreapplication.cpp:704
#29 0x00007f2149738ffa in QCoreApplication::sendEvent (this=<value optimized out>, event=0x7fffe71cf1f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QGraphicsView::dropEvent (this=<value optimized out>, event=0x7fffe71cf1f0) at graphicsview/qgraphicsview.cpp:2833
#31 0x00007f213d7a1219 in PanelView::dropEvent (this=0x7fffe71cd820, event=0x19bc3c0) at ../../../../plasma/desktop/shell/panelview.cpp:1561
#32 0x00007f214914f550 in QWidget::event (this=0x1d4c360, event=0x7fffe71cf1f0) at kernel/qwidget.cpp:8188
#33 0x00007f21494f64e6 in QFrame::event (this=0x1d4c360, e=0x7fffe71cf1f0) at widgets/qframe.cpp:557
#34 0x00007f2149737f0b in QGraphicsView::viewportEvent (this=0x1d4c360, event=0x7fffe71cf1f0) at graphicsview/qgraphicsview.cpp:2787
#35 0x00007f2149f5c487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1d1ced0, event=0x7fffe71cf1f0) at kernel/qcoreapplication.cpp:819
#36 0x00007f21490f91fc in QApplicationPrivate::notify_helper (this=0xee3b10, receiver=0x1d1ced0, e=0x7fffe71cf1f0) at kernel/qapplication.cpp:4296
#37 0x00007f21490ff96d in QApplication::notify (this=<value optimized out>, receiver=0x1d1ced0, e=0x7fffe71cf1f0) at kernel/qapplication.cpp:4108
#38 0x00007f214a4a4526 in KApplication::notify (this=0xecd600, receiver=0x1d1ced0, event=0x7fffe71cf1f0) at ../../kdeui/kernel/kapplication.cpp:302
#39 0x00007f2149f5d06c in QCoreApplication::notifyInternal (this=0xecd600, receiver=0x1d1ced0, event=0x7fffe71cf1f0) at kernel/qcoreapplication.cpp:704
#40 0x00007f214918c75a in QCoreApplication::sendEvent (this=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#41 QX11Data::xdndHandleDrop (this=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>) at kernel/qdnd_x11.cpp:1168
#42 0x00007f214918ca90 in QDragManager::drop (this=0x27942c0) at kernel/qdnd_x11.cpp:1724
#43 0x00007f214918eb30 in QDragManager::eventFilter (this=0x27942c0, o=<value optimized out>, e=<value optimized out>) at kernel/qdnd_x11.cpp:1297
#44 0x00007f2149f5c54b in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0xee3b10, receiver=0x262a5a0, event=0x7fffe71cfab0) at kernel/qcoreapplication.cpp:800
#45 0x00007f21490f91a6 in QApplicationPrivate::notify_helper (this=0x7fffe71cd820, receiver=0x19bc3c0, e=0x7fffe71cd830) at kernel/qapplication.cpp:4275
#46 0x00007f21490ffecb in QApplication::notify (this=0xecd600, receiver=0x262a5a0, e=0x7fffe71cfab0) at kernel/qapplication.cpp:3865
#47 0x00007f214a4a4526 in KApplication::notify (this=0xecd600, receiver=0x262a5a0, event=0x7fffe71cfab0) at ../../kdeui/kernel/kapplication.cpp:302
#48 0x00007f2149f5d06c in QCoreApplication::notifyInternal (this=0xecd600, receiver=0x262a5a0, event=0x7fffe71cfab0) at kernel/qcoreapplication.cpp:704
#49 0x00007f21490ff0ae in QCoreApplication::sendEvent (receiver=0x262a5a0, event=0x7fffe71cfab0, alienWidget=0x0, nativeWidget=0x262a5a0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#50 QApplicationPrivate::sendMouseEvent (receiver=0x262a5a0, event=0x7fffe71cfab0, alienWidget=0x0, nativeWidget=0x262a5a0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:2965
#51 0x00007f214917ef65 in QETWidget::translateMouseEvent (this=0x262a5a0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#52 0x00007f214917d8ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffe71d03d0) at kernel/qapplication_x11.cpp:3501
#53 0x00007f21491a9882 in x11EventSourceDispatch (s=0xee7170, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#54 0x00007f21453408c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#55 0x00007f2145344748 in ?? () from /lib/libglib-2.0.so.0
#56 0x00007f21453448fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#57 0x00007f2149f86513 in QEventDispatcherGlib::processEvents (this=0xe59140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#58 0x00007f21491a946e in QGuiEventDispatcherGlib::processEvents (this=0x7fffe71cd820, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#59 0x00007f2149f5b992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#60 0x00007f2149f5bd6c in QEventLoop::exec (this=0x2256ac0, flags=) at kernel/qeventloop.cpp:201
#61 0x00007f21491916ed in QDragManager::drag (this=0x27942c0, o=<value optimized out>) at kernel/qdnd_x11.cpp:1984
#62 0x00007f214910f908 in QDrag::exec (this=0x21585e0, supportedActions=) at kernel/qdrag.cpp:282
#63 0x00007f214910f9c3 in QDrag::exec (this=0x7fffe71cd820, supportedActions=<value optimized out>) at kernel/qdrag.cpp:239
#64 0x00007f212b1fa3cb in Kickoff::UrlItemView::startDrag (this=0x21466a0, supportedActions=<value optimized out>) at ../../../../../plasma/desktop/applets/kickoff/ui/urlitemview.cpp:660
#65 0x00007f2149620b6e in QAbstractItemView::mouseMoveEvent (this=0x21466a0, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1691
#66 0x00007f212b1fb64f in Kickoff::UrlItemView::mouseMoveEvent (this=0x21466a0, event=0x7fffe71d18e0) at ../../../../../plasma/desktop/applets/kickoff/ui/urlitemview.cpp:558
#67 0x00007f214914f1df in QWidget::event (this=0x21466a0, event=0x7fffe71d18e0) at kernel/qwidget.cpp:7983
#68 0x00007f21494f64e6 in QFrame::event (this=0x21466a0, e=0x7fffe71d18e0) at widgets/qframe.cpp:557
#69 0x00007f214962526b in QAbstractItemView::viewportEvent (this=0x21466a0, event=0x7fffe71d18e0) at itemviews/qabstractitemview.cpp:1610
#70 0x00007f2149f5c487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2143d10, event=0x7fffe71d18e0) at kernel/qcoreapplication.cpp:819
#71 0x00007f21490f91fc in QApplicationPrivate::notify_helper (this=0xee3b10, receiver=0x2143d10, e=0x7fffe71d18e0) at kernel/qapplication.cpp:4296
#72 0x00007f21490ffecb in QApplication::notify (this=0xecd600, receiver=0x2143d10, e=0x7fffe71d18e0) at kernel/qapplication.cpp:3865
#73 0x00007f214a4a4526 in KApplication::notify (this=0xecd600, receiver=0x2143d10, event=0x7fffe71d18e0) at ../../kdeui/kernel/kapplication.cpp:302
#74 0x00007f2149f5d06c in QCoreApplication::notifyInternal (this=0xecd600, receiver=0x2143d10, event=0x7fffe71d18e0) at kernel/qcoreapplication.cpp:704
#75 0x00007f21490ff0ae in QCoreApplication::sendEvent (receiver=0x2143d10, event=0x7fffe71d18e0, alienWidget=0x2143d10, nativeWidget=0x21982f0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#76 QApplicationPrivate::sendMouseEvent (receiver=0x2143d10, event=0x7fffe71d18e0, alienWidget=0x2143d10, nativeWidget=0x21982f0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#77 0x00007f214917ef65 in QETWidget::translateMouseEvent (this=0x21982f0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#78 0x00007f214917d8ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffe71d2200) at kernel/qapplication_x11.cpp:3501
#79 0x00007f21491a9882 in x11EventSourceDispatch (s=0xee7170, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#80 0x00007f21453408c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#81 0x00007f2145344748 in ?? () from /lib/libglib-2.0.so.0
#82 0x00007f21453448fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#83 0x00007f2149f86513 in QEventDispatcherGlib::processEvents (this=0xe59140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#84 0x00007f21491a946e in QGuiEventDispatcherGlib::processEvents (this=0x7fffe71cd820, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#85 0x00007f2149f5b992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#86 0x00007f2149f5bd6c in QEventLoop::exec (this=0x7fffe71d2530, flags=) at kernel/qeventloop.cpp:201
#87 0x00007f2149f5faab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#88 0x00007f213d79afb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#89 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#90 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#91 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#92 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Reported using DrKonqi