Application: konqueror (4.14.10)
KDE Platform Version: 4.14.10
Qt Version: 4.8.6
Operating System: Linux 4.1.12-1-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I surfed to www.faz.net. Konqueror crashed.

I use opensuse 42.1 with QT 5.5.0, plasma 5.4.3 and konqueror 4.14.10

The crash can be reproduced every time.

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f59c879d780 (LWP 25974))]

Thread 8 (Thread 0x7f59afe65700 (LWP 25975)):
#0  0x00007f59c706305f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f59b3617eb6 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/libQtWebKit.so.4
#2  0x00007f59b3617ee9 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/libQtWebKit.so.4
#3  0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f596e918700 (LWP 25976)):
#0  0x00007f59c7065a9d in read () from /lib64/libpthread.so.0
#1  0x00007f59c2e9cb60 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f59c2e5b999 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f59c2e5bdf8 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f59c2e5bf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f59c7423fde in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#6  0x00007f59c73f5d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#7  0x00007f59c73f6045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#8  0x00007f59c72f34df in QThread::exec() () from /usr/lib64/libQtCore.so.4
#9  0x00007f59c72f5bbf in ?? () from /usr/lib64/libQtCore.so.4
#10 0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f596d43d700 (LWP 25979)):
#0  0x00007f59c706305f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f59b338ab3d in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib64/libQtWebKit.so.4
#2  0x00007f59b363fa06 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib64/libQtWebKit.so.4
#3  0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f5953fff700 (LWP 25982)):
#0  0x00007f59c7065a9d in read () from /lib64/libpthread.so.0
#1  0x00007f59c2e9cb60 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f59c2e5b999 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f59c2e5bdf8 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f59c2e5bf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f59c7423fde in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#6  0x00007f59c73f5d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#7  0x00007f59c73f6045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#8  0x00007f59c72f34df in QThread::exec() () from /usr/lib64/libQtCore.so.4
#9  0x00007f59c73d7653 in ?? () from /usr/lib64/libQtCore.so.4
#10 0x00007f59c72f5bbf in ?? () from /usr/lib64/libQtCore.so.4
#11 0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#12 0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f59677fe700 (LWP 26315)):
#0  0x00007f59c706305f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f5946750d79 in ?? () from /usr/lib64/java-1_8_0-openjdk-plugin/lib/IcedTeaPlugin.so
#2  0x00007f5946751819 in ?? () from /usr/lib64/java-1_8_0-openjdk-plugin/lib/IcedTeaPlugin.so
#3  0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f5967fff700 (LWP 26316)):
#0  0x00007f59c706305f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f5946750d79 in ?? () from /usr/lib64/java-1_8_0-openjdk-plugin/lib/IcedTeaPlugin.so
#2  0x00007f5946751819 in ?? () from /usr/lib64/java-1_8_0-openjdk-plugin/lib/IcedTeaPlugin.so
#3  0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f59466e9700 (LWP 26317)):
#0  0x00007f59c706305f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f5946750d79 in ?? () from /usr/lib64/java-1_8_0-openjdk-plugin/lib/IcedTeaPlugin.so
#2  0x00007f5946751819 in ?? () from /usr/lib64/java-1_8_0-openjdk-plugin/lib/IcedTeaPlugin.so
#3  0x00007f59c705f0a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f59c5d5304d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f59c879d780 (LWP 25974)):
[KCrash Handler]
#6  0x00007f59b328e3a7 in QtMIMETypeSniffer::~QtMIMETypeSniffer() () from /usr/lib64/libQtWebKit.so.4
#7  0x00007f59b2266a5c in WebCore::JSNodeOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void*, JSC::SlotVisitor&) () from /usr/lib64/libQtWebKit.so.4
#8  0x00007f59b3389a9a in JSC::WeakBlock::visit(JSC::HeapRootVisitor&) () from /usr/lib64/libQtWebKit.so.4
#9  0x00007f59b339733b in JSC::MarkedSpace::visitWeakSets(JSC::HeapRootVisitor&) () from /usr/lib64/libQtWebKit.so.4
#10 0x00007f59b338c785 in JSC::Heap::markRoots(bool) () from /usr/lib64/libQtWebKit.so.4
#11 0x00007f59b338e355 in JSC::Heap::collect(JSC::Heap::SweepToggle) () from /usr/lib64/libQtWebKit.so.4
#12 0x00007f59b3561872 in JSC::DefaultGCActivityCallback::doWork() () from /usr/lib64/libQtWebKit.so.4
#13 0x00007f59b33913bd in JSC::HeapTimer::timerEvent(QTimerEvent*) () from /usr/lib64/libQtWebKit.so.4
#14 0x00007f59c740f2b1 in QObject::event(QEvent*) () from /usr/lib64/libQtCore.so.4
#15 0x00007f59c657479c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#16 0x00007f59c657acdd in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQtGui.so.4
#17 0x00007f59c819ae1a in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#18 0x00007f59c73f718d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/libQtCore.so.4
#19 0x00007f59c7426bbc in ?? () from /usr/lib64/libQtCore.so.4
#20 0x00007f59c7423e01 in ?? () from /usr/lib64/libQtCore.so.4
#21 0x00007f59c2e5bc84 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#22 0x00007f59c2e5bed8 in ?? () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f59c2e5bf7c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f59c7423fbe in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#25 0x00007f59c66116a6 in ?? () from /usr/lib64/libQtGui.so.4
#26 0x00007f59c73f5d4f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#27 0x00007f59c73f6045 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#28 0x00007f59c73fb499 in QCoreApplication::exec() () from /usr/lib64/libQtCore.so.4
#29 0x00007f59be293cbe in kdemain () from /usr/lib64/libkdeinit4_konqueror.so
#30 0x0000000000408815 in _start ()

Reported using DrKonqi