Bug 272330

Application: rekonq (0.7.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

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

Before rekong crash, i have visited many pages internet and i have clicked on the button about flux rss 4 times.

The crash can be reproduced some of the time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0xb78be710 (LWP 1766))]

Thread 8 (Thread 0xb5675b70 (LWP 1767)):
#0  0x00d4e416 in __kernel_vsyscall ()
#1  0x0066e48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009543fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x01af3b57 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#5  0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xb4d44b70 (LWP 1768)):
#0  0x00d4e416 in __kernel_vsyscall ()
#1  0x0066e48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009543fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x003fa817 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x50e1c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x003fa851 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x50e1c0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xb427cb70 (LWP 1769)):
#0  0x00d4e416 in __kernel_vsyscall ()
#1  0x0066e48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009543fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02388467 in wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x001797e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8c92788, th=0x8eadc80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0017c47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c93170, th=0x8eadc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0017942b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8c92788, th=0x8eadc80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0017c56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x8eadc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x8eadc80, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0017c589 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x8eadc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x8eadc80, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x0017c589 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x8eadc80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#13 0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x8eadc80, previous=0x8efe3f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#14 0x0017af9e in ThreadWeaver::ThreadRunHelper::run (this=0xb427c2f4, parent=0x8c92788, th=0x8eadc80) at ../../../threadweaver/Weaver/Thread.cpp:87
#15 0x0017b05b in ThreadWeaver::Thread::run (this=0x8eadc80) at ../../../threadweaver/Weaver/Thread.cpp:142
#16 0x02387da2 in QThreadPrivate::start (arg=0x8eadc80) at thread/qthread_unix.cpp:320
#17 0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xb1995b70 (LWP 1771)):
#0  0x07e72d41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x023dddd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x024aa4f2 in updateCurrentTime (this=0x901752c, tm=...) at kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x901752c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0x024a8d32 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xb19950dc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x024a8dcd in timerSourcePrepare (source=0x90174f8, timeout=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x07279fd4 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0727ae63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0727b524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x024a9577 in QEventDispatcherGlib::processEvents (this=0x8e97030, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x0247b289 in QEventLoop::processEvents (this=0xb1995290, flags=...) at kernel/qeventloop.cpp:149
#12 0x0247b522 in QEventLoop::exec (this=0xb1995290, flags=...) at kernel/qeventloop.cpp:201
#13 0x023852a0 in QThread::exec (this=0x9015880) at thread/qthread.cpp:492
#14 0x0245cfdb in QInotifyFileSystemWatcherEngine::run (this=0x9015880) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x02387da2 in QThreadPrivate::start (arg=0x9015880) at thread/qthread_unix.cpp:320
#16 0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xa7184b70 (LWP 1782)):
#0  0x00d4e416 in __kernel_vsyscall ()
#1  0x0066e48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009543fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02388467 in wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x001797e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8c92788, th=0x8ed9810) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0017c47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c93170, th=0x8ed9810) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0017942b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8c92788, th=0x8ed9810) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0017c56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x8ed9810) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x8ed9810, previous=0xa4f1e50) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0017af9e in ThreadWeaver::ThreadRunHelper::run (this=0xa71842f4, parent=0x8c92788, th=0x8ed9810) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0017b05b in ThreadWeaver::Thread::run (this=0x8ed9810) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x02387da2 in QThreadPrivate::start (arg=0x8ed9810) at thread/qthread_unix.cpp:320
#13 0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa6983b70 (LWP 1783)):
#0  0x00d4e416 in __kernel_vsyscall ()
#1  0x0066e48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009543fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02388467 in wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x001797e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8c92788, th=0x9084830) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0017c47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c93170, th=0x9084830) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0017942b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8c92788, th=0x9084830) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0017c56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x9084830) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x9084830, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0017c589 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x9084830) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x9084830, previous=0xa621ef0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x0017af9e in ThreadWeaver::ThreadRunHelper::run (this=0xa69832f4, parent=0x8c92788, th=0x9084830) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x0017b05b in ThreadWeaver::Thread::run (this=0x9084830) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x02387da2 in QThreadPrivate::start (arg=0x9084830) at thread/qthread_unix.cpp:320
#15 0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#16 0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0x9ffe6b70 (LWP 1802)):
#0  0x00d4e416 in __kernel_vsyscall ()
#1  0x0066e48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x009543fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x02388467 in wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x8c927a0, mutex=0x8c930b0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x001797e0 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x8c92788, th=0x8f39cf8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0017c47c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x8c93170, th=0x8f39cf8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0017942b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x8c92788, th=0x8f39cf8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0017c56a in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x8f39cf8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x8f39cf8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0017c589 in ThreadWeaver::WorkingHardState::applyForWork (this=0x8c93170, th=0x8f39cf8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0x00179373 in ThreadWeaver::WeaverImpl::applyForWork (this=0x8c92788, th=0x8f39cf8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0x0017af9e in ThreadWeaver::ThreadRunHelper::run (this=0x9ffe62f4, parent=0x8c92788, th=0x8f39cf8) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0x0017b05b in ThreadWeaver::Thread::run (this=0x8f39cf8) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0x02387da2 in QThreadPrivate::start (arg=0x8f39cf8) at thread/qthread_unix.cpp:320
#15 0x00669e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#16 0x0094673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb78be710 (LWP 1766)):
[KCrash Handler]
#7  0x02f0e9ca in QRasterWindowSurface::~QRasterWindowSurface (this=0x8e05ff8, __in_chrg=<value optimized out>) at painting/qwindowsurface_raster.cpp:104
#8  0x02f0ea62 in QRasterWindowSurface::~QRasterWindowSurface (this=0x8e05ff8, __in_chrg=<value optimized out>) at painting/qwindowsurface_raster.cpp:108
#9  0x02f2a631 in QWidgetBackingStore::~QWidgetBackingStore (this=0x8e5ad50, __in_chrg=<value optimized out>) at painting/qbackingstore.cpp:883
#10 0x02d4f86b in QWidgetBackingStoreTracker::destroy (this=0x9091b48) at kernel/qwidget.cpp:210
#11 0x02d4f9c1 in QWidgetPrivate::deleteExtra (this=0x8ee7a38) at kernel/qwidget.cpp:1776
#12 0x02d4fbee in QWidgetPrivate::~QWidgetPrivate (this=0x8ee7a38, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:337
#13 0x0319302f in ~QMenuPrivate (this=0x8ee7a38, __in_chrg=<value optimized out>) at widgets/qmenu_p.h:171
#14 QMenuPrivate::~QMenuPrivate (this=0x8ee7a38, __in_chrg=<value optimized out>) at widgets/qmenu_p.h:183
#15 0x024943f0 in cleanup (this=0x8e169f8, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#16 ~QScopedPointer (this=0x8e169f8, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#17 QObject::~QObject (this=0x8e169f8, __in_chrg=<value optimized out>) at kernel/qobject.cpp:818
#18 0x02d521d9 in QWidget::~QWidget (this=0x8e169f8, __in_chrg=<value optimized out>) at kernel/qwidget.cpp:1508
#19 0x0318aa3a in QMenu::~QMenu (this=0x8e169f8, __in_chrg=<value optimized out>) at widgets/qmenu.cpp:1391
#20 0x02ae5e54 in KMenu::~KMenu (this=0x8e169f8, __in_chrg=<value optimized out>) at ../../kdeui/widgets/kmenu.cpp:164
#21 0x02ae5e92 in KMenu::~KMenu (this=0x8e169f8, __in_chrg=<value optimized out>) at ../../kdeui/widgets/kmenu.cpp:167
#22 0x02917c18 in KActionMenu::~KActionMenu (this=0x8e198b8, __in_chrg=<value optimized out>) at ../../kdeui/actions/kactionmenu.cpp:77
#23 0x00c78e7e in KBookmarkActionMenu::~KBookmarkActionMenu (this=0x8e198b8, __in_chrg=<value optimized out>) at ../../kio/bookmarks/kbookmarkmenu.cc:761
#24 0x00c78ec2 in KBookmarkActionMenu::~KBookmarkActionMenu (this=0x8e198b8, __in_chrg=<value optimized out>) at ../../kio/bookmarks/kbookmarkmenu.cc:763
#25 0x0248fb87 in QObjectPrivate::deleteChildren (this=0x8de49b8) at kernel/qobject.cpp:1964
#26 0x0249439f in QObject::~QObject (this=0x8de2818, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#27 0x00748c1f in BookmarkProvider::~BookmarkProvider (this=0x8de2818, __in_chrg=<value optimized out>) at /build/buildd/rekonq-0.7.0/src/bookmarks/bookmarkprovider.cpp:96
#28 0x00748c52 in BookmarkProvider::~BookmarkProvider (this=0x8de2818, __in_chrg=<value optimized out>) at /build/buildd/rekonq-0.7.0/src/bookmarks/bookmarkprovider.cpp:99
#29 0x0248fb87 in QObjectPrivate::deleteChildren (this=0x8bfa058) at kernel/qobject.cpp:1964
#30 0x0249439f in QObject::~QObject (this=0xbf97ff70, __in_chrg=<value optimized out>) at kernel/qobject.cpp:946
#31 0x0247ef02 in QCoreApplication::~QCoreApplication (this=0xbf97ff70, __in_chrg=<value optimized out>) at kernel/qcoreapplication.cpp:615
#32 0x02d08a26 in QApplication::~QApplication (this=0xbf97ff70, __in_chrg=<value optimized out>) at kernel/qapplication.cpp:1080
#33 0x02a06d4a in KApplication::~KApplication (this=0xbf97ff70, __in_chrg=<value optimized out>) at ../../kdeui/kernel/kapplication.cpp:894
#34 0x02a0e9e8 in KUniqueApplication::~KUniqueApplication (this=0xbf97ff70, __in_chrg=<value optimized out>) at ../../kdeui/kernel/kuniqueapplication.cpp:343
#35 0x006f1da5 in Application::~Application (this=0xbf97ff70, __in_chrg=<value optimized out>) at /build/buildd/rekonq-0.7.0/src/application.cpp:84
#36 0x00783ef1 in kdemain (argc=1, argv=0xbf980294) at /build/buildd/rekonq-0.7.0/src/main.cpp:213
#37 0x080485ab in main (argc=1, argv=0xbf980294) at /build/buildd/rekonq-0.7.0/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

Possible duplicates by query: bug 271559, bug 269671, bug 269490, bug 268936, bug 255081.

Reported using DrKonqi