Version:           unspecified (using KDE 4.6.1) 
OS:                Linux

KTorrent it is launched all time. One-twice a day its operation is completed by
an error. Backtrace it is applied.

Reproducible: Didn't try




Application: KTorrent (ktorrent), signal: Segmentation fault
[Current thread is 1 (Thread 0xb4558930 (LWP 22229))]

Thread 5 (Thread 0xb14ffb70 (LWP 22232)):
[KCrash Handler]
#7  0xb78200d8 in QHash<unsigned short, QHashDummyValue>::findNode (this=0x8a3a0d8, akey=@0xb14fea3e, ahp=0x0) at /usr/include/QtCore/qhash.h:885
#8  0xb781bf81 in contains (this=0x8194568, conn=..., readable=true, writeable=false) at /usr/include/QtCore/qhash.h:872
#9  contains (this=0x8194568, conn=..., readable=true, writeable=false) at /usr/include/QtCore/qset.h:86
#10 polling (this=0x8194568, conn=..., readable=true, writeable=false) at /usr/src/debug/libktorrent-1.1.0/src/utp/pollpipe.h:56
#11 utp::UTPServer::Private::wakeUpPollPipes (this=0x8194568, conn=..., readable=true, writeable=false) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpserver.cpp:193
#12 0xb781c0ba in utp::UTPServer::stateChanged (this=0x820e240, conn=..., readable=true, writeable=false) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpserver.cpp:476
#13 0xb7824193 in utp::Connection::checkState (this=0xa76f0dd0) at /usr/src/debug/libktorrent-1.1.0/src/utp/connection.cpp:284
#14 0xb78242ee in utp::Connection::handleTimeout (this=0xa76f0dd0) at /usr/src/debug/libktorrent-1.1.0/src/utp/connection.cpp:641
#15 0xb781e1c8 in utp::UTPServer::timerEvent (this=0x820e240, ev=0xb14ff08c) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpserver.cpp:577
#16 0xb6986c04 in QObject::event (this=0x820e240, e=0xb14ff08c) at kernel/qobject.cpp:1181
#17 0xb5e7a684 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb5e83427 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0x0807cb27 in kt::App::notify (this=0xbfb21ce0, receiver=0x820e240, event=0xb14ff08c) at /usr/src/debug/ktorrent-4.1.0/ktorrent/app.cpp:97
#20 0xb697178e in QCoreApplication::notifyInternal (this=0xbfb21ce0, receiver=0x820e240, event=0xb14ff08c) at kernel/qcoreapplication.cpp:731
#21 0xb69a2b89 in sendEvent (this=0x81be3f4) at kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x81be3f4) at kernel/qeventdispatcher_unix.cpp:619
#23 0xb699f885 in timerSourceDispatch (source=0x8195300) at kernel/qeventdispatcher_glib.cpp:184
#24 idleTimerSourceDispatch (source=0x8195300) at kernel/qeventdispatcher_glib.cpp:231
#25 0xb4ec0509 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0xb4ec0d10 in ?? () from /lib/libglib-2.0.so.0
#27 0xb4ec0fce in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0xb699ff7b in QEventDispatcherGlib::processEvents (this=0x81b9f88, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#29 0xb6970a6d in QEventLoop::processEvents (this=0xb14ff2e0, flags=...) at kernel/qeventloop.cpp:149
#30 0xb6970c99 in QEventLoop::exec (this=0xb14ff2e0, flags=...) at kernel/qeventloop.cpp:201
#31 0xb6871d49 in QThread::exec (this=0x81b7e78) at thread/qthread.cpp:492
#32 0xb7821a7d in utp::UTPServerThread::run (this=0x81b7e78) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpserverthread.cpp:41
#33 0xb6874993 in QThreadPrivate::start (arg=0x81b7e78) at thread/qthread_unix.cpp:320
#34 0xb67f8b05 in start_thread () from /lib/libpthread.so.0
#35 0xb5b69d5e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xadf82b70 (LWP 22248)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb67fd105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb687393c in QMutexPrivate::wait (this=0x8126de8, timeout=-1) at thread/qmutex_unix.cpp:84
#3  0xb686fe6a in QMutex::lock (this=0x8126dd0) at thread/qmutex.cpp:167
#4  0xb777423e in net::SocketMonitor::lock (this=0x811db00) at /usr/src/debug/libktorrent-1.1.0/src/net/socketmonitor.cpp:108
#5  0xb7775d01 in net::DownloadThread::update (this=0x8126ed8) at /usr/src/debug/libktorrent-1.1.0/src/net/downloadthread.cpp:51
#6  0xb7775f78 in net::NetworkThread::run (this=0x8126ed8) at /usr/src/debug/libktorrent-1.1.0/src/net/networkthread.cpp:48
#7  0xb6874993 in QThreadPrivate::start (arg=0x8126ed8) at thread/qthread_unix.cpp:320
#8  0xb67f8b05 in start_thread () from /lib/libpthread.so.0
#9  0xb5b69d5e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xad781b70 (LWP 22249)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb67fd105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb687393c in QMutexPrivate::wait (this=0x81bc880, timeout=-1) at thread/qmutex_unix.cpp:84
#3  0xb686fe6a in QMutex::lock (this=0x8194584) at thread/qmutex.cpp:167
#4  0xb781f477 in QMutexLocker (this=0x820e240, p=0x8127268, mode=net::Poll::OUTPUT, conn=...) at /usr/include/QtCore/qmutex.h:102
#5  utp::UTPServer::preparePolling (this=0x820e240, p=0x8127268, mode=net::Poll::OUTPUT, conn=...) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpserver.cpp:452
#6  0xb7827de9 in utp::UTPSocket::prepare (this=0xb15c5770, p=0x8127268, mode=net::Poll::OUTPUT) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpsocket.cpp:212
#7  0xb77753a3 in net::UploadThread::waitForSocketsReady (this=0x8127260) at /usr/src/debug/libktorrent-1.1.0/src/net/uploadthread.cpp:124
#8  0xb77754ce in net::UploadThread::update (this=0x8127260) at /usr/src/debug/libktorrent-1.1.0/src/net/uploadthread.cpp:45
#9  0xb7775f78 in net::NetworkThread::run (this=0x8127260) at /usr/src/debug/libktorrent-1.1.0/src/net/networkthread.cpp:48
#10 0xb6874993 in QThreadPrivate::start (arg=0x8127260) at thread/qthread_unix.cpp:320
#11 0xb67f8b05 in start_thread () from /lib/libpthread.so.0
#12 0xb5b69d5e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xacf80b70 (LWP 22250)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb67fd105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6875080 in wait (this=0x8998ca4, mutex=0x8998ca0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#3  QWaitCondition::wait (this=0x8998ca4, mutex=0x8998ca0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#4  0xb7779390 in net::ReverseResolverThread::run (this=0x8998c98) at /usr/src/debug/libktorrent-1.1.0/src/net/reverseresolver.cpp:123
#5  0xb6874993 in QThreadPrivate::start (arg=0x8998c98) at thread/qthread_unix.cpp:320
#6  0xb67f8b05 in start_thread () from /lib/libpthread.so.0
#7  0xb5b69d5e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb4558930 (LWP 22229)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb67fd105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb687393c in QMutexPrivate::wait (this=0x81bc880, timeout=-1) at thread/qmutex_unix.cpp:84
#3  0xb686fe6a in QMutex::lock (this=0x8194584) at thread/qmutex.cpp:167
#4  0xb781c95f in QMutexLocker (this=0x820e240, addr=...) at /usr/include/QtCore/qmutex.h:102
#5  utp::UTPServer::connectTo (this=0x820e240, addr=...) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpserver.cpp:413
#6  0xb78274fe in utp::UTPSocket::connectTo (this=0xa7edc270, addr=...) at /usr/src/debug/libktorrent-1.1.0/src/utp/utpsocket.cpp:98
#7  0xb777c1eb in mse::StreamSocket::connectTo (this=0xae1ca1b8, addr=...) at /usr/src/debug/libktorrent-1.1.0/src/mse/streamsocket.cpp:212
#8  0xb77800a3 in bt::Authenticate::Authenticate (this=0xa6ef0760, ip=..., port=51413, proto=bt::UTP, info_hash=..., peer_id=..., pcon=...) at /usr/src/debug/libktorrent-1.1.0/src/peer/authenticate.cpp:68
#9  0xb777d697 in mse::EncryptedAuthenticate::EncryptedAuthenticate (this=0xa6ef0760, ip=..., port=51413, proto=bt::UTP, info_hash=..., peer_id=..., pcon=...) at /usr/src/debug/libktorrent-1.1.0/src/mse/encryptedauthenticate.cpp:46
#10 0xb7799b60 in bt::PeerConnector::Private::start (this=0xa84f8c18, method=bt::PeerConnector::UTP_WITH_ENCRYPTION) at /usr/src/debug/libktorrent-1.1.0/src/peer/peerconnector.cpp:179
#11 0xb7799d39 in bt::PeerConnector::acquired (this=0xae3ed288) at /usr/src/debug/libktorrent-1.1.0/src/peer/peerconnector.cpp:108
#12 0xb776a8e9 in bt::ResourceManager::update (this=0xb78ad884) at /usr/src/debug/libktorrent-1.1.0/src/util/resourcemanager.cpp:109
#13 0xb776ae9f in bt::ResourceManager::add (this=0xb78ad884, r=0xae3ed288) at /usr/src/debug/libktorrent-1.1.0/src/util/resourcemanager.cpp:63
#14 0xb7799605 in bt::PeerConnector::start (this=0xae3ed288) at /usr/src/debug/libktorrent-1.1.0/src/peer/peerconnector.cpp:93
#15 0xb77903aa in bt::PeerManager::Private::connectToPeers (this=0x8230210) at /usr/src/debug/libktorrent-1.1.0/src/peer/peermanager.cpp:858
#16 0xb779058e in bt::PeerManager::connectToPeers (this=0x81bec60) at /usr/src/debug/libktorrent-1.1.0/src/peer/peermanager.cpp:320
#17 0xb77c8609 in bt::TorrentControl::update (this=0x81bed88) at /usr/src/debug/libktorrent-1.1.0/src/torrent/torrentcontrol.cpp:171
#18 0x0806e4ce in kt::Core::update (this=0xb1502b18) at /usr/src/debug/ktorrent-4.1.0/ktorrent/core.cpp:1052
#19 0x08075cd0 in kt::Core::qt_metacall (this=0xb1502b18, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfb2148c) at /usr/src/debug/ktorrent-4.1.0/build/ktorrent/core.moc:164
#20 0xb697807d in QMetaObject::metacall (object=0xb1502b18, cl=QMetaObject::InvokeMetaMethod, idx=20, argv=0xbfb2148c) at kernel/qmetaobject.cpp:237
#21 0xb69874cc in QMetaObject::activate (sender=0xb1502b2c, m=0xb6aac5a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3278
#22 0xb69d76a5 in QTimer::timeout (this=0xb1502b2c) at .moc/release-shared/moc_qtimer.cpp:134
#23 0xb698e856 in QTimer::timerEvent (this=0xb1502b2c, e=0xbfb219ac) at kernel/qtimer.cpp:271
#24 0xb6986c04 in QObject::event (this=0xb1502b2c, e=0xbfb219ac) at kernel/qobject.cpp:1181
#25 0xb5e7a684 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#26 0xb5e83427 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#27 0x0807cb27 in kt::App::notify (this=0xbfb21ce0, receiver=0xb1502b2c, event=0xbfb219ac) at /usr/src/debug/ktorrent-4.1.0/ktorrent/app.cpp:97
#28 0xb697178e in QCoreApplication::notifyInternal (this=0xbfb21ce0, receiver=0xb1502b2c, event=0xbfb219ac) at kernel/qcoreapplication.cpp:731
#29 0xb69a2b89 in sendEvent (this=0x81647fc) at kernel/qcoreapplication.h:215
#30 QTimerInfoList::activateTimers (this=0x81647fc) at kernel/qeventdispatcher_unix.cpp:619
#31 0xb699f885 in timerSourceDispatch (source=0x8164830) at kernel/qeventdispatcher_glib.cpp:184
#32 idleTimerSourceDispatch (source=0x8164830) at kernel/qeventdispatcher_glib.cpp:231
#33 0xb4ec0509 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0xb4ec0d10 in ?? () from /lib/libglib-2.0.so.0
#35 0xb4ec0fce in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0xb699ff7b in QEventDispatcherGlib::processEvents (this=0x8125a50, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#37 0xb5f311da in ?? () from /usr/lib/libQtGui.so.4
#38 0xb6970a6d in QEventLoop::processEvents (this=0xbfb21c54, flags=...) at kernel/qeventloop.cpp:149
#39 0xb6970c99 in QEventLoop::exec (this=0xbfb21c54, flags=...) at kernel/qeventloop.cpp:201
#40 0xb6975740 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#41 0xb5e783d4 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#42 0x0806ba41 in main (argc=) at /usr/src/debug/ktorrent-4.1.0/ktorrent/main.cpp:177