Application that crashed: konqueror
Version of the application: 4.3.2 (KDE 4.3.2)
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
I was just open surfed the web with tow tabs open, then closed one tab, continue browsing, and then close Konqueror and it crashes.

 -- Backtrace:
Application: Konqueror (kdeinit4), signal: Aborted
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f79dcec2750 (LWP 2602))]

Thread 4 (Thread 0x7f79c8114910 (LWP 2990)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f79da2a922d in _L_lock_9511 () from /lib/libc.so.6
#2  0x00007f79da2a76f1 in *__GI___libc_free (mem=0x7f79da580e40) at malloc.c:3714
#3  0x00007f79dcafa453 in ~QObject (this=0x312dcd0, __in_chrg=<value optimized out>) at kernel/qobject.cpp:857
#4  0x00007f79dcb0d22e in ~QEventDispatcherGlib (this=0x312dcd0, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:386
#5  0x00007f79dc9fe56c in QThreadPrivate::finish (arg=<value optimized out>) at thread/qthread_unix.cpp:212
#6  0x00007f79dc9fe4ad in ~__pthread_cleanup_class (arg=0x2160450) at /usr/include/pthread.h:533
#7  QThreadPrivate::start (arg=0x2160450) at thread/qthread_unix.cpp:190
#8  0x00007f79d973473a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f79da2fd2fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f79c6bcd910 (LWP 3108)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:220
#1  0x00007f79dc9ff477 in QWaitConditionPrivate::wait (this=0x21ea258, mutex=0x21ea250, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=0x21ea258, mutex=0x21ea250, time=30000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f79dc9f52d1 in QThreadPoolThread::run (this=0x2781fd0) at concurrent/qthreadpool.cpp:140
#4  0x00007f79dc9fe4a5 in QThreadPrivate::start (arg=0x2781fd0) at thread/qthread_unix.cpp:188
#5  0x00007f79d973473a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f79da2fd2fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()
The current source language is "auto; currently asm".

Thread 2 (Thread 0x7f79c8d31910 (LWP 3110)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f79da2a922d in _L_lock_9511 () from /lib/libc.so.6
#2  0x00007f79da2a76f1 in *__GI___libc_free (mem=0x7f79da580e40) at malloc.c:3714
#3  0x00007f79d9984a6a in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f79dcb0d0e2 in ~QEventDispatcherGlib (this=0x522bd70, __in_chrg=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:361
#5  0x00007f79dc9fe56c in QThreadPrivate::finish (arg=<value optimized out>) at thread/qthread_unix.cpp:212
#6  0x00007f79dc9fe4ad in ~__pthread_cleanup_class (arg=0x27f8090) at /usr/include/pthread.h:533
#7  QThreadPrivate::start (arg=0x27f8090) at thread/qthread_unix.cpp:190
#8  0x00007f79d973473a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f79da2fd2fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f79dcec2750 (LWP 2602)):
[KCrash Handler]
#5  0x00007f79da263f25 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f79da266d60 in *__GI_abort () at abort.c:88
#7  0x00007f79da29955d in __libc_message (do_abort=2, 
    fmt=0x7fff510e2d90 "     /lib/ld-2.10.1.so\n7fff510c9000-7fff510e8000 rw-p 00000000 00:00 0", ' ' <repeats 26 times>, "[stack]\n7fff511fa000-7fff511fb000 r-xp 00000000 00:00 0", ' ' <repeats 26 times>, "[vdso]\nffffffffff600000"...) at ../sysdeps/unix/sysv/linux/libc_fatal.c:173
#8  0x00007f79da2a2db6 in malloc_printerr (action=3, str=0x7f79da34a5aa "free(): invalid pointer", ptr=<value optimized out>) at malloc.c:6217
#9  0x00007f79da2a76fc in *__GI___libc_free (mem=<value optimized out>) at malloc.c:3716
#10 0x00007f79ca54f4e7 in KJS::DotAccessorNode::~DotAccessorNode() () from /usr/lib/libkjs.so.4
#11 0x00007f79ca56991a in KJS::BinaryOperatorNode::~BinaryOperatorNode() () from /usr/lib/libkjs.so.4
#12 0x00007f79ca54ed78 in KJS::IfNode::~IfNode() () from /usr/lib/libkjs.so.4
#13 0x00007f79ca5695d5 in KJS::SourceElementsNode::~SourceElementsNode() () from /usr/lib/libkjs.so.4
#14 0x00007f79ca56a58e in KJS::FunctionBodyNode::~FunctionBodyNode() () from /usr/lib/libkjs.so.4
#15 0x00007f79ca53f501 in ~RefPtr (this=0x7f79c5d37480, __in_chrg=<value optimized out>) at ../../kjs/wtf/RefPtr.h:51
#16 ~FunctionImp (this=0x7f79c5d37480, __in_chrg=<value optimized out>) at ../../kjs/function.cpp:72
#17 0x00007f79ca513e61 in KJS::Collector::collect () at ../../kjs/collector.cpp:739
#18 0x00007f79cae39825 in KJS::KJSProxyImpl::clear (this=0x5feaa70) at ../../khtml/ecma/kjs_proxy.cpp:224
#19 0x00007f79cabdd7fc in KHTMLPart::clear (this=0x451eba0) at ../../khtml/khtml_part.cpp:1562
#20 0x00007f79cabdde4d in KHTMLPart::begin (this=0x451eba0, url=..., xOffset=0, yOffset=0) at ../../khtml/khtml_part.cpp:2012
#21 0x00007f79cabda8a9 in KHTMLPart::slotData (this=0x451eba0, kio_job=<value optimized out>, data=...) at ../../khtml/khtml_part.cpp:1703
#22 0x00007f79cabfc3d1 in KHTMLPart::qt_metacall (this=0x451eba0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff510e3e40) at ./khtml_part.moc:271
#23 0x00007f79dcaf8df2 in QMetaObject::activate (sender=0x3e18ae0, from_signal_index=<value optimized out>, to_signal_index=40, argv=0xffffffffffffffff) at kernel/qobject.cpp:3112
#24 0x00007f79dbbb0844 in KIO::TransferJob::data (this=0xa2a, _t1=0x3e18ae0, _t2=<value optimized out>) at ./jobclasses.moc:364
#25 0x00007f79dbbb6089 in KIO::TransferJob::qt_metacall (this=0x3e18ae0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff510e3f70) at ./jobclasses.moc:344
#26 0x00007f79dcaf8df2 in QMetaObject::activate (sender=0x3ee1830, from_signal_index=<value optimized out>, to_signal_index=4, argv=0xffffffffffffffff) at kernel/qobject.cpp:3112
#27 0x00007f79dbc74802 in KIO::SlaveInterface::data (this=0xa2a, _t1=<value optimized out>) at ./slaveinterface.moc:140
#28 0x00007f79dbc78148 in KIO::SlaveInterface::dispatch (this=0x3ee1830, _cmd=100, rawdata=<value optimized out>) at ../../kio/kio/slaveinterface.cpp:163
#29 0x00007f79dbc74ab2 in KIO::SlaveInterface::dispatch (this=0x3ee1830) at ../../kio/kio/slaveinterface.cpp:91
#30 0x00007f79dbc6751e in KIO::Slave::gotInput (this=0x3ee1830) at ../../kio/kio/slave.cpp:322
#31 0x00007f79dbc69848 in KIO::Slave::qt_metacall (this=0x3ee1830, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff510e4360) at ./slave.moc:76
#32 0x00007f79dcaf8df2 in QMetaObject::activate (sender=0x388f3c0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0xffffffffffffffff) at kernel/qobject.cpp:3112
#33 0x00007f79dbb83d91 in KIO::ConnectionPrivate::dequeue (this=0x27800a0) at ../../kio/kio/connection.cpp:82
#34 0x00007f79dbb841ea in KIO::Connection::qt_metacall (this=0x388f3c0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x556d6a0) at ./connection.moc:73
#35 0x00007f79dcaf36c8 in QObject::event (this=0x388f3c0, e=0x33a1050) at kernel/qobject.cpp:1110
#36 0x00007f79daa6d01d in QApplicationPrivate::notify_helper (this=0x215c180, receiver=0x388f3c0, e=0x33a1050) at kernel/qapplication.cpp:4065
#37 0x00007f79daa7507a in QApplication::notify (this=0x7fff510e4f80, receiver=0x388f3c0, e=0x33a1050) at kernel/qapplication.cpp:4030
#38 0x00007f79db6c60db in KApplication::notify (this=0x7fff510e4f80, receiver=0x388f3c0, event=0x33a1050) at ../../kdeui/kernel/kapplication.cpp:302
#39 0x00007f79dcae3c9c in QCoreApplication::notifyInternal (this=0x7fff510e4f80, receiver=0x388f3c0, event=0x33a1050) at kernel/qcoreapplication.cpp:610
#40 0x00007f79dcae48e4 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x20d0f80) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#41 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x20d0f80) at kernel/qcoreapplication.cpp:1247
#42 0x00007f79dcb0c7d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#43 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#44 0x00007f79d998512a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#45 0x00007f79d9988988 in ?? () from /lib/libglib-2.0.so.0
#46 0x00007f79d9988b3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#47 0x00007f79dcb0c39c in QEventDispatcherGlib::processEvents (this=0x20d3850, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#48 0x00007f79dab03f1f in QGuiEventDispatcherGlib::processEvents (this=0xa2a, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#49 0x00007f79dcae2562 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#50 0x00007f79dcae2934 in QEventLoop::exec (this=0x7fff510e4d20, flags=...) at kernel/qeventloop.cpp:201
#51 0x00007f79dcae4ba4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#52 0x00007f79d1c4e0c9 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#53 0x0000000000407264 in launch (argc=3, _name=0x213a9c8 "konqueror", args=<value optimized out>, cwd=0x0, envc=0, envs=0x213aa1b "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a0ff "0") at ../../kinit/kinit.cpp:677
#54 0x0000000000407a28 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#55 0x0000000000407fae in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#56 0x000000000040863b in main (argc=2, argv=0x7fff510e6578, envp=0x7fff510e6590) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 208926

Reported using DrKonqi