Bug 350700

Application: konqueror (4.14.6)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.19.0-23-generic i686
Distribution: Ubuntu 15.04

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

visiting the url www.observador.pt, nothing else. I had anothr url open, it is a internal url, which never crashs.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb31be740 (LWP 26494))]

Thread 9 (Thread 0xb1812b40 (LWP 26495)):
#0  0xb4f48b48 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb4f49089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb4f49439 in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2b7b335 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#4  0xb4f7040a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb504e1aa in start_thread (arg=0xb1812b40) at pthread_create.c:333
#6  0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 8 (Thread 0xb0effb40 (LWP 26496)):
#0  0xb7741be0 in __kernel_vsyscall ()
#1  0xb752f3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb4f58120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb4f49014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb4f49156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb4f491b0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb4f7040a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb504e1aa in start_thread (arg=0xb0effb40) at pthread_create.c:333
#8  0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 7 (Thread 0xafefdb40 (LWP 26499)):
#0  0xb7741be0 in __kernel_vsyscall ()
#1  0xb75033e6 in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#2  0xb75031a9 in __sleep (seconds=0) at ../sysdeps/unix/sysv/linux/sleep.c:138
#3  0xacdd3774 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xacdd39ff in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb504e1aa in start_thread (arg=0xafefdb40) at pthread_create.c:333
#6  0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 6 (Thread 0xaab4ab40 (LWP 26500)):
#0  0xb7741be0 in __kernel_vsyscall ()
#1  0xb7741851 in __vdso_clock_gettime ()
#2  0xb7547740 in __GI___clock_gettime (clock_id=1, tp=0xaab4a044) at ../sysdeps/unix/clock_gettime.c:115
#3  0xb5829195 in do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:127
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:144
#5  0xb591a201 in QTimerInfoList::updateCurrentTime (this=0xaf503b04) at kernel/qeventdispatcher_unix.cpp:354
#6  0xb5918f4e in timerSourceCheckHelper (src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:157
#7  0xb4f48969 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb4f48faa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb4f49156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb5919674 in QEventDispatcherGlib::processEvents (this=0xaf500cd8, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#11 0xb58e5d8f in QEventLoop::processEvents (this=0xaab4a294, flags=...) at kernel/qeventloop.cpp:149
#12 0xb58e611e in QEventLoop::exec (this=0xaab4a294, flags=...) at kernel/qeventloop.cpp:204
#13 0xb57caacb in QThread::exec (this=0xa042610) at thread/qthread.cpp:538
#14 0xb57caca8 in QThread::run (this=0xa042610) at thread/qthread.cpp:605
#15 0xb57cd69e in QThreadPrivate::start (arg=0xa042610) at thread/qthread_unix.cpp:349
#16 0xb504e1aa in start_thread (arg=0xaab4ab40) at pthread_create.c:333
#17 0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 5 (Thread 0xaa187b40 (LWP 26503)):
#0  0xb7741be0 in __kernel_vsyscall ()
#1  0xb505325c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb7546cf6 in __pthread_cond_wait (cond=0xaae607dc, mutex=0xaae607c4) at forward.c:149
#3  0xace029f3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xacade574 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xacde97c6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xace02369 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb504e1aa in start_thread (arg=0xaa187b40) at pthread_create.c:333
#8  0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 4 (Thread 0xa8d4ab40 (LWP 26511)):
#0  0xb7741be0 in __kernel_vsyscall ()
#1  0xb5053626 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:245
#2  0xb7546d3a in __pthread_cond_timedwait (cond=0xa8f7df44, mutex=0xa8f7df2c, abstime=0xa8d4a158) at forward.c:162
#3  0xace02a92 in WTF::ThreadCondition::timedWait(WTF::Mutex&, double) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xac199f14 in WebCore::WorkerRunLoop::runInMode(WebCore::WorkerContext*, WebCore::ModePredicate const&, WebCore::WorkerRunLoop::WaitMode) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xac19a160 in WebCore::WorkerRunLoop::run(WebCore::WorkerContext*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xac19ab95 in WebCore::WorkerThread::runEventLoop() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xac1909e5 in WebCore::DedicatedWorkerThread::runEventLoop() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#8  0xac19c20b in WebCore::WorkerThread::workerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#9  0xacde97c6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#10 0xace02369 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#11 0xb504e1aa in start_thread (arg=0xa8d4ab40) at pthread_create.c:333
#12 0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 3 (Thread 0xa8549b40 (LWP 26512)):
#0  0xb7741be0 in __kernel_vsyscall ()
#1  0xb505325c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb7546cf6 in __pthread_cond_wait (cond=0xa8e997dc, mutex=0xa8e997c4) at forward.c:149
#3  0xace029f3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xacade574 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xacde97c6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xace02369 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb504e1aa in start_thread (arg=0xa8549b40) at pthread_create.c:333
#8  0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 2 (Thread 0xa4ad0b40 (LWP 26585)):
#0  0xb4f8fa48 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb4f47f25 in g_main_context_release () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb4f48fc4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb4f49156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5919674 in QEventDispatcherGlib::processEvents (this=0xabd0dc0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0xb58e5d8f in QEventLoop::processEvents (this=0xa4ad0274, flags=...) at kernel/qeventloop.cpp:149
#6  0xb58e611e in QEventLoop::exec (this=0xa4ad0274, flags=...) at kernel/qeventloop.cpp:204
#7  0xb57caacb in QThread::exec (this=0xbba1608) at thread/qthread.cpp:538
#8  0xb6f82211 in KIO::NameLookUpThread::run (this=0xbba1608) at ../../kio/kio/hostinfo.cpp:226
#9  0xb57cd69e in QThreadPrivate::start (arg=0xbba1608) at thread/qthread_unix.cpp:349
#10 0xb504e1aa in start_thread (arg=0xa4ad0b40) at pthread_create.c:333
#11 0xb7539fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 1 (Thread 0xb31be740 (LWP 26494)):
[KCrash Handler]
#7  operator QtSharedPointer::ExternalRefCountData* (this=0x48) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:160
#8  QtSharedPointer::ExternalRefCountData::getAndRef (obj=0xb81a768) at tools/qsharedpointer.cpp:1255
#9  0xb5334f84 in QWeakPointer<QObject> (ptr=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qsharedpointer_impl.h:595
#10 operator=<QObject> (ptr=<optimized out>, this=0xc32a8d0) at ../../include/QtCore/../../src/corelib/tools/qsharedpointer_impl.h:600
#11 QNetworkRequest::setOriginatingObject (this=0xbfb4a314, object=0xb81a768) at access/qnetworkrequest.cpp:565
#12 0xac1144b0 in WebCore::ResourceRequest::toNetworkRequest(WebCore::NetworkingContext*) const () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#13 0xac11b190 in WebCore::QNetworkReplyHandler::redirect(WebCore::ResourceResponse&, QUrl const&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#14 0xac11c037 in WebCore::QNetworkReplyHandler::sendResponseIfNeeded() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#15 0xac119bc6 in WebCore::QNetworkReplyHandlerCallQueue::flush() [clone .part.55] () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#16 0xac11a6e1 in WebCore::QNetworkReplyWrapper::receiveMetaData() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#17 0xb58fd70e in QMetaObject::activate (sender=0xab83750, m=0xb541c2c4 <QNetworkReply::staticMetaObject>, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3567
#18 0xb53c19a2 in QNetworkReply::finished (this=0xab83750) at .moc/release-shared/moc_qnetworkreply.cpp:165
#19 0xb53c1bf9 in QNetworkReply::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0xbfb4a820, _c=<optimized out>) at .moc/release-shared/moc_qnetworkreply.cpp:106
#20 0xb58f05f0 in QMetaMethod::invoke (this=0xbfb4a8f4, object=0xab83750, connectionType=Qt::DirectConnection, returnValue=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1664
#21 0xb58f2c40 in QMetaObject::invokeMethod (obj=0xab83750, member=0xb7013175 "finished", type=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1179
#22 0xb6e78982 in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., type=Qt::AutoConnection, member=0xb7013175 "finished", obj=0xab83750) at /usr/include/qt4/QtCore/qobjectdefs.h:418
#23 KDEPrivate::AccessManagerReply::emitFinished (this=0xab83750, state=true, type=Qt::AutoConnection) at ../../kio/kio/accessmanagerreply_p.cpp:485
#24 0xb6e7b18b in KDEPrivate::AccessManagerReply::slotResult (this=0xab83750, kJob=0x9f94ab0) at ../../kio/kio/accessmanagerreply_p.cpp:427
#25 0xb6e7b4a6 in KDEPrivate::AccessManagerReply::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0xbfb4ad14, _c=<optimized out>) at ./accessmanagerreply_p.moc:60
#26 0xb58fd70e in QMetaObject::activate (sender=0x9f94ab0, m=0xb5da9f4c <KJob::staticMetaObject>, local_signal_index=3, argv=0xbfb4ad14) at kernel/qobject.cpp:3567
#27 0xb5b76dc9 in KJob::result (this=0x9f94ab0, _t1=0x9f94ab0) at ./kjob.moc:207
#28 0xb5b76e31 in KJob::emitResult (this=0x9f94ab0) at ../../kdecore/jobs/kjob.cpp:318
#29 0xb6ec03af in KIO::SimpleJob::slotFinished (this=0x9f94ab0) at ../../kio/kio/job.cpp:496
#30 0xb6ec1859 in KIO::TransferJob::slotFinished (this=0x9f94ab0) at ../../kio/kio/job.cpp:1110
#31 0xb6ec2441 in KIO::TransferJob::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=0xbfb4af04, _c=<optimized out>) at ./jobclasses.moc:387
#32 0xb58fd70e in QMetaObject::activate (sender=0xabd9cb8, m=0xb711d700 <KIO::SlaveInterface::staticMetaObject>, local_signal_index=4, argv=0x0) at kernel/qobject.cpp:3567
#33 0xb6f72f22 in KIO::SlaveInterface::finished (this=0xabd9cb8) at ./slaveinterface.moc:184
#34 0xb6f74ff3 in KIO::SlaveInterface::dispatch (this=0xabd9cb8, _cmd=183222204, rawdata=...) at ../../kio/kio/slaveinterface.cpp:176
#35 0xb6f71dce in KIO::SlaveInterface::dispatch (this=0xabd9cb8) at ../../kio/kio/slaveinterface.cpp:92
#36 0xb6f63eb2 in KIO::Slave::gotInput (this=0xabd9cb8) at ../../kio/kio/slave.cpp:344
#37 0xb6f64b24 in KIO::Slave::qt_static_metacall (_o=0xabd9cb8, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfb4b134) at ./slave.moc:56
#38 0xb58fd70e in QMetaObject::activate (sender=0xabd9af8, m=0xb711a4a8 <KIO::Connection::staticMetaObject>, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3567
#39 0xb6e83022 in KIO::Connection::readyRead (this=0xabd9af8) at ./connection.moc:105
#40 0xb6e83649 in KIO::ConnectionPrivate::dequeue (this=0xa27e4a0) at ../../kio/kio/connection.cpp:82
#41 0xb58f9b0a in QMetaCallEvent::placeMetaCall (this=0xbde1150, object=0xabd9af8) at kernel/qobject.cpp:524
#42 0xb5901ff9 in QObject::event (this=0xabd9af8, e=0xbde1150) at kernel/qobject.cpp:1222
#43 0xb5eea36a in QApplicationPrivate::notify_helper (this=0x9be5150, receiver=0xabd9af8, e=0xbde1150) at kernel/qapplication.cpp:4570
#44 0xb5ef1270 in QApplication::notify (this=0xbfb4b81c, receiver=0xabd9af8, e=0xbde1150) at kernel/qapplication.cpp:4356
#45 0xb6aa06ac in KApplication::notify (this=0xbfb4b81c, receiver=0xabd9af8, event=0xbde1150) at ../../kdeui/kernel/kapplication.cpp:311
#46 0xb58e740a in QCoreApplication::notifyInternal (this=0xbfb4b81c, receiver=0xabd9af8, event=0xbde1150) at kernel/qcoreapplication.cpp:955
#47 0xb58eaf91 in sendEvent (event=0xbde1150, receiver=0xabd9af8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#48 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9bc2130) at kernel/qcoreapplication.cpp:1579
#49 0xb58eb4e5 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1472
#50 0xb59194f1 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#51 postEventSourceDispatch (s=0x9be0fd8) at kernel/qeventdispatcher_glib.cpp:300
#52 0xb4f48d64 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#53 0xb4f49089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#54 0xb4f49156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#55 0xb5919653 in QEventDispatcherGlib::processEvents (this=0x9bc2cc8, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#56 0xb5fa14e6 in QGuiEventDispatcherGlib::processEvents (this=0x9bc2cc8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#57 0xb58e5d8f in QEventLoop::processEvents (this=0xbfb4b764, flags=...) at kernel/qeventloop.cpp:149
#58 0xb58e611e in QEventLoop::exec (this=0xbfb4b764, flags=...) at kernel/qeventloop.cpp:204
#59 0xb58ec266 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#60 0xb5ee8204 in QApplication::exec () at kernel/qapplication.cpp:3828
#61 0xb76d8db5 in kdemain (argc=1, argv=0x9de9310) at ../../../konqueror/src/konqmain.cpp:227
#62 0x0804855b in main (argc=1, argv=0xbfb4b9b4) at konqueror_dummy.cpp:3

Possible duplicates by query: bug 349515.

Reported using DrKonqi