Bug 266557

Application: skanlite (0.7)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.37-0.slh.26-aptosid-686 i686
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
Skanlite crashed when I tried to unselect a selected area in the preview

 -- Backtrace:
Application: Skanlite (skanlite), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5521930 (LWP 5462))]

Thread 2 (Thread 0xb2320b70 (LWP 5464)):
#0  0xb7768424 in __kernel_vsyscall ()
#1  0xb5fb7696 in poll () from /lib/i686/cmov/libc.so.6
#2  0xb23396ce in ?? () from /usr/lib/libavahi-common.so.3
#3  0xb2337e7c in avahi_simple_poll_run () from /usr/lib/libavahi-common.so.3
#4  0xb23386c0 in avahi_simple_poll_iterate () from /usr/lib/libavahi-common.so.3
#5  0xb2338710 in avahi_simple_poll_loop () from /usr/lib/libavahi-common.so.3
#6  0xb23394bb in ?? () from /usr/lib/libavahi-common.so.3
#7  0xb59b1955 in start_thread () from /lib/i686/cmov/libpthread.so.0
#8  0xb5fc4e7e in clone () from /lib/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5521930 (LWP 5462)):
[KCrash Handler]
#6  0xb68eddba in QGraphicsItem::parentItem (this=0xa52c898) at graphicsview/qgraphicsitem.cpp:1460
#7  0xb6946233 in QGraphicsSceneFindItemBspTreeVisitor::visit (this=0x9e12720, items=0x9fb392c) at graphicsview/qgraphicsscene_bsp.cpp:80
#8  0xb69447a7 in QGraphicsSceneBspTree::climbTree (this=0xa48ea34, visitor=0x9e12720, rect=..., index=17) at graphicsview/qgraphicsscene_bsp.cpp:247
#9  0xb69447e1 in QGraphicsSceneBspTree::climbTree (this=0x9e12650, visitor=0x9e12720, rect=..., index=3) at graphicsview/qgraphicsscene_bsp.cpp:252
#10 0xb69447e1 in QGraphicsSceneBspTree::climbTree (this=0x9e12650, visitor=0x9e12720, rect=..., index=1) at graphicsview/qgraphicsscene_bsp.cpp:252
#11 0xb6944828 in QGraphicsSceneBspTree::climbTree (this=0x9e12650, visitor=0x9e12720, rect=..., index=0) at graphicsview/qgraphicsscene_bsp.cpp:261
#12 0xb6944c36 in QGraphicsSceneBspTree::items (this=0x9e12650, rect=..., onlyTopLevelItems=true) at graphicsview/qgraphicsscene_bsp.cpp:154
#13 0xb69484b7 in QGraphicsSceneBspTreeIndexPrivate::estimateItems (this=0x9e125f0, rect=..., order=Qt::AscendingOrder, onlyTopLevelItems=true) at graphicsview/qgraphicsscenebsptreeindex.cpp:387
#14 0xb69486f2 in QGraphicsSceneBspTreeIndex::estimateTopLevelItems (this=0x9e09f58, rect=..., order=Qt::AscendingOrder) at graphicsview/qgraphicsscenebsptreeindex.cpp:540
#15 0xb6940ca7 in QGraphicsScenePrivate::drawItems (this=0x9e123f0, painter=0xbfdf6fd4, viewTransform=0xbfdf6dbc, exposedRegion=0x9e09eec, widget=0x9e12028) at graphicsview/qgraphicsscene.cpp:4637
#16 0xb695b0a3 in QGraphicsView::paintEvent (this=0x9e09740, event=0xbfdf76d4) at graphicsview/qgraphicsview.cpp:3387
#17 0xb62eb686 in QWidget::event (this=0x9e09740, event=0xbfdf76d4) at kernel/qwidget.cpp:8190
#18 0xb66e58d3 in QFrame::event (this=0x9e09740, e=0xbfdf76d4) at widgets/qframe.cpp:557
#19 0xb6780092 in QAbstractScrollArea::viewportEvent (this=0x3, e=0xa48ea34) at widgets/qabstractscrollarea.cpp:1036
#20 0xb69576ab in QGraphicsView::viewportEvent (this=0x9e09740, event=0xbfdf76d4) at graphicsview/qgraphicsview.cpp:2787
#21 0xb6782a65 in viewportEvent (this=0x9df6740, o=0x9e12028, e=0xbfdf76d4) at widgets/qabstractscrollarea_p.h:100
#22 QAbstractScrollAreaFilter::eventFilter (this=0x9df6740, o=0x9e12028, e=0xbfdf76d4) at widgets/qabstractscrollarea_p.h:116
#23 0xb6d4376a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9cf49e0, receiver=0x9e12028, event=0xbfdf76d4) at kernel/qcoreapplication.cpp:841
#24 0xb628d5a9 in QApplicationPrivate::notify_helper (this=0x9cf49e0, receiver=0x9e12028, e=0xbfdf76d4) at kernel/qapplication.cpp:4298
#25 0xb62941f9 in QApplication::notify (this=0xbfdf8acc, receiver=0x9e12028, e=0xbfdf76d4) at kernel/qapplication.cpp:4267
#26 0xb7293bfa in KApplication::notify (this=0xbfdf8acc, receiver=0x9e12028, event=0xbfdf76d4) at ../../kdeui/kernel/kapplication.cpp:302
#27 0xb6d444cb in QCoreApplication::notifyInternal (this=0xbfdf8acc, receiver=0x9e12028, event=0xbfdf76d4) at kernel/qcoreapplication.cpp:726
#28 0xb62f4976 in sendSpontaneousEvent (this=0x9e12040, pdev=0x9df7f64, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x9df7ee0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#29 QWidgetPrivate::drawWidget (this=0x9e12040, pdev=0x9df7f64, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x9df7ee0) at kernel/qwidget.cpp:5363
#30 0xb64ca51b in QWidgetBackingStore::sync (this=0x9df7ee0) at painting/qbackingstore.cpp:1292
#31 0xb62e5173 in QWidgetPrivate::syncBackingStore (this=0x9e0d898) at kernel/qwidget.cpp:1688
#32 0xb62ebe46 in QWidget::event (this=0x9e04790, event=0xa077de0) at kernel/qwidget.cpp:8337
#33 0xb628d5cc in QApplicationPrivate::notify_helper (this=0x9cf49e0, receiver=0x9e04790, e=0xa077de0) at kernel/qapplication.cpp:4302
#34 0xb62941f9 in QApplication::notify (this=0xbfdf8acc, receiver=0x9e04790, e=0xa077de0) at kernel/qapplication.cpp:4267
#35 0xb7293bfa in KApplication::notify (this=0xbfdf8acc, receiver=0x9e04790, event=0xa077de0) at ../../kdeui/kernel/kapplication.cpp:302
#36 0xb6d444cb in QCoreApplication::notifyInternal (this=0xbfdf8acc, receiver=0x9e04790, event=0xa077de0) at kernel/qcoreapplication.cpp:726
#37 0xb6d47f2c in sendEvent (receiver=0x9e04790, event_type=77, data=0x9cdff78) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#38 QCoreApplicationPrivate::sendPostedEvents (receiver=0x9e04790, event_type=77, data=0x9cdff78) at kernel/qcoreapplication.cpp:1367
#39 0xb6d480ad in QCoreApplication::sendPostedEvents (receiver=0x9e04790, event_type=77) at kernel/qcoreapplication.cpp:1260
#40 0xb693cb46 in dispatchPendingUpdateRequests (this=0x9e123f0) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:184
#41 QGraphicsScenePrivate::_q_processDirtyItems (this=0x9e123f0) at graphicsview/qgraphicsscene.cpp:509
#42 0xb693d096 in QGraphicsScene::qt_metacall (this=0x9e0de40, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xa46b2d8) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#43 0xb6d497aa in QMetaObject::metacall (object=0x9e0de40, cl=QMetaObject::ResetProperty, idx=18, argv=0xa46b2d8) at kernel/qmetaobject.cpp:237
#44 0xb6d53d36 in QMetaCallEvent::placeMetaCall (this=0xa2af6e0, object=0x9e0de40) at kernel/qobject.cpp:561
#45 0xb6d54dfe in QObject::event (this=0x9e0de40, e=0xa2af6e0) at kernel/qobject.cpp:1248
#46 0xb6938d74 in QGraphicsScene::event (this=0x9e0de40, event=0xa2af6e0) at graphicsview/qgraphicsscene.cpp:3509
#47 0xb628d5cc in QApplicationPrivate::notify_helper (this=0x9cf49e0, receiver=0x9e0de40, e=0xa2af6e0) at kernel/qapplication.cpp:4302
#48 0xb629415e in QApplication::notify (this=0xbfdf8acc, receiver=0x9e0de40, e=0xa2af6e0) at kernel/qapplication.cpp:3706
#49 0xb7293bfa in KApplication::notify (this=0xbfdf8acc, receiver=0x9e0de40, event=0xa2af6e0) at ../../kdeui/kernel/kapplication.cpp:302
#50 0xb6d444cb in QCoreApplication::notifyInternal (this=0xbfdf8acc, receiver=0x9e0de40, event=0xa2af6e0) at kernel/qcoreapplication.cpp:726
#51 0xb6d47f2c in sendEvent (receiver=0x0, event_type=0, data=0x9cdff78) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#52 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9cdff78) at kernel/qcoreapplication.cpp:1367
#53 0xb6d480ad in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1260
#54 0xb6d7057f in sendPostedEvents (s=0x9cf77a8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#55 postEventSourceDispatch (s=0x9cf77a8) at kernel/qeventdispatcher_glib.cpp:276
#56 0xb5903745 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#57 0xb5907cf8 in ?? () from /lib/libglib-2.0.so.0
#58 0xb5907ed8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#59 0xb6d70075 in QEventDispatcherGlib::processEvents (this=0x9cdfc38, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#60 0xb634bed5 in QGuiEventDispatcherGlib::processEvents (this=0x9cdfc38, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#61 0xb6d42ae9 in QEventLoop::processEvents (this=0xbfdf8a24, flags=) at kernel/qeventloop.cpp:149
#62 0xb6d42f3a in QEventLoop::exec (this=0xbfdf8a24, flags=...) at kernel/qeventloop.cpp:201
#63 0xb6d4816f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#64 0xb628d667 in QApplication::exec () at kernel/qapplication.cpp:3581
#65 0x08050909 in _start ()

Reported using DrKonqi