Application: ktorrent (4.3.1)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.16.6-2-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
search on ktorrent close program

The crash can be reproduced every time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f48b11e0800 (LWP 13400))]

Thread 9 (Thread 0x7f489bd4e700 (LWP 13402)):
#0  0x00007f48a85568e9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f48a8514ad5 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f48a8514cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f48adb650de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f48adb36e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f48adb37165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f48ada340bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f48adb18783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f48ada3679f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f488eb0a700 (LWP 13403)):
#0  0x00007f48aedb305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4899b62686 in WTF::TCMalloc_PageHeap::scavengerThread() () at /usr/lib64/libQtWebKit.so.4
#2  0x00007f4899b626b9 in  () at /usr/lib64/libQtWebKit.so.4
#3  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f48477fc700 (LWP 13408)):
#0  0x00007f48aceca3cd in poll () at /lib64/libc.so.6
#1  0x00007f48a8514be4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f48a8514cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f48adb650de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f48adb36e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f48adb37165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f48ada340bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f48ada3679f in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f4846ffb700 (LWP 13409)):
#0  0x00007f48aedb3408 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f4899b8a7c6 in WTF::ThreadCondition::timedWait(WTF::Mutex&, double) () at /usr/lib64/libQtWebKit.so.4
#2  0x00007f48998d4d7c in JSC::BlockAllocator::waitForRelativeTime(double) () at /usr/lib64/libQtWebKit.so.4
#3  0x00007f48998d4de8 in JSC::BlockAllocator::blockFreeingThreadMain() () at /usr/lib64/libQtWebKit.so.4
#4  0x00007f4899b8a1e6 in WTF::wtfThreadEntryPoint(void*) () at /usr/lib64/libQtWebKit.so.4
#5  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f4844f2d700 (LWP 13410)):
#0  0x00007f48aceca3cd in poll () at /lib64/libc.so.6
#1  0x00007f48b0d40ecc in net::Poll::poll(int) () at /usr/lib64/libktorrent.so.5
#2  0x00007f48b0d3df42 in  () at /usr/lib64/libktorrent.so.5
#3  0x00007f48b0d3e036 in  () at /usr/lib64/libktorrent.so.5
#4  0x00007f48b0d3e239 in  () at /usr/lib64/libktorrent.so.5
#5  0x00007f48ada3679f in  () at /usr/lib64/libQtCore.so.4
#6  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#7  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f482ffff700 (LWP 13411)):
#0  0x00007f48acece789 in syscall () at /lib64/libc.so.6
#1  0x00007f48ada35243 in  () at /usr/lib64/libQtCore.so.4
#2  0x00007f48ada3180d in QMutex::lock() () at /usr/lib64/libQtCore.so.4
#3  0x00007f48b0d3d970 in  () at /usr/lib64/libktorrent.so.5
#4  0x00007f48b0d3e239 in  () at /usr/lib64/libktorrent.so.5
#5  0x00007f48ada3679f in  () at /usr/lib64/libQtCore.so.4
#6  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#7  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f482f7fe700 (LWP 13412)):
#0  0x00007f48aedb305f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f48ada36c86 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQtCore.so.4
#2  0x00007f48b0d409da in  () at /usr/lib64/libktorrent.so.5
#3  0x00007f48ada3679f in  () at /usr/lib64/libQtCore.so.4
#4  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f4847ffd700 (LWP 13458)):
#0  0x00007f48acec649d in read () at /lib64/libc.so.6
#1  0x00007f4891dbef45 in  () at /usr/lib64/tls/libnvidia-tls.so.340.58
#2  0x00007f48a8555750 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f48a8514714 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f48a8514b7b in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f48a8514f0a in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f482d879586 in  () at /usr/lib64/libgio-2.0.so.0
#7  0x00007f48a8539b85 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f48aedaf0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f48aced27fd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f48b11e0800 (LWP 13400)):
[KCrash Handler]
#5  0x00007f48184a35df in gdk_display_open () at /usr/lib64/libgdk-x11-2.0.so.0
#6  0x00007f48184745cd in gdk_display_open_default_libgtk_only () at /usr/lib64/libgdk-x11-2.0.so.0
#7  0x00007f481883dab4 in gtk_init_check () at /usr/lib64/libgtk-x11-2.0.so.0
#8  0x00007f4899054118 in WebCore::initializeGtk(QLibrary*) () at /usr/lib64/libQtWebKit.so.4
#9  0x00007f48990543c5 in WebCore::PluginPackage::load() () at /usr/lib64/libQtWebKit.so.4
#10 0x00007f4899054596 in WebCore::PluginPackage::fetchInfo() () at /usr/lib64/libQtWebKit.so.4
#11 0x00007f4898e2da76 in WebCore::PluginPackage::createPackage(WTF::String const&, long const&) () at /usr/lib64/libQtWebKit.so.4
#12 0x00007f4898e2b275 in WebCore::PluginDatabase::refresh() () at /usr/lib64/libQtWebKit.so.4
#13 0x00007f4898e2c3b1 in WebCore::PluginDatabase::installedPlugins(bool) () at /usr/lib64/libQtWebKit.so.4
#14 0x00007f489872ccf2 in WebCore::FrameLoaderClientQt::objectContentType(WebCore::KURL const&, WTF::String const&, bool) () at /usr/lib64/libQtWebKit.so.4
#15 0x00007f4898b06507 in WebCore::HTMLPlugInImageElement::isImageType() () at /usr/lib64/libQtWebKit.so.4
#16 0x00007f4898b07196 in WebCore::HTMLPlugInImageElement::attach() () at /usr/lib64/libQtWebKit.so.4
#17 0x00007f4898b46a61 in WebCore::HTMLConstructionSite::executeQueuedTasks() () at /usr/lib64/libQtWebKit.so.4
#18 0x00007f4898b887e4 in WebCore::HTMLTreeBuilder::constructTreeFromToken(WebCore::HTMLToken&) () at /usr/lib64/libQtWebKit.so.4
#19 0x00007f4898b4d188 in WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) () at /usr/lib64/libQtWebKit.so.4
#20 0x00007f4898b4e795 in WebCore::HTMLDocumentParser::insert(WebCore::SegmentedString const&) () at /usr/lib64/libQtWebKit.so.4
#21 0x00007f4898959002 in WebCore::Document::write(WebCore::SegmentedString const&, WebCore::Document*) () at /usr/lib64/libQtWebKit.so.4
#22 0x00007f4898798ae9 in WebCore::documentWrite(JSC::ExecState*, WebCore::HTMLDocument*, WebCore::NewlineRequirement) () at /usr/lib64/libQtWebKit.so.4
#23 0x00007f4898799375 in WebCore::JSHTMLDocument::write(JSC::ExecState*) () at /usr/lib64/libQtWebKit.so.4
#24 0x00007f48994ac2bb in WebCore::jsHTMLDocumentPrototypeFunctionWrite(JSC::ExecState*) () at /usr/lib64/libQtWebKit.so.4
#25 0x00007f4847fff265 in  ()
#26 0xffffffffffffffff in  ()#27 0x00007f4899a16c53 in llint_op_call () at /usr/lib64/libQtWebKit.so.4
#28 0x0000000000000000 in  ()

Possible duplicates by query: bug 334015.

Reported using DrKonqi