Application: ktorrent (4.3.1)
KDE Platform Version: 4.14.13
Qt Version: 4.8.6
Operating System: Linux 4.2.0-42-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
nothing special (was no present) were already open Dolphin, and Mozilla  with multiple Youtube tabs.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2281dd6840 (LWP 1745))]

Thread 6 (Thread 0x7f226c849700 (LWP 1748)):
#0  0x00007f227dbd46dd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2279bb94e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2279b75cd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2279b76190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2279b762fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f227e90320e in QEventDispatcherGlib::processEvents (this=0x7f22600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#6  0x00007f227e8d10d1 in QEventLoop::processEvents (this=this@entry=0x7f226c848d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f227e8d1445 in QEventLoop::exec (this=this@entry=0x7f226c848d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f227e7c04f9 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:538
#9  0x00007f227e7c2d1c in QThreadPrivate::start (arg=0x1edbec0) at thread/qthread_unix.cpp:349
#10 0x00007f227aaea6aa in start_thread (arg=0x7f226c849700) at pthread_create.c:333
#11 0x00007f227dbe413d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f225a7fc700 (LWP 1848)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f227e7c1622 in _q_futex (val2=0, addr2=0x0, timeout=0x0, val=2, op=0, addr=0x1d55e70) at thread/qmutex_unix.cpp:99
#2  QMutexPrivate::wait (this=this@entry=0x1d55e70, timeout=timeout@entry=-1) at thread/qmutex_unix.cpp:113
#3  0x00007f227e7bda1d in QMutex::lock (this=<optimized out>) at thread/qmutex.cpp:164
#4  0x00007f228195af39 in net::SocketMonitor::lock (this=<optimized out>) at ../../src/net/socketmonitor.cpp:108
#5  0x00007f228195c47a in net::DownloadThread::waitForSocketReady (this=this@entry=0x1d55ea0) at ../../src/net/downloadthread.cpp:110
#6  0x00007f228195c716 in net::DownloadThread::update (this=0x1d55ea0) at ../../src/net/downloadthread.cpp:48
#7  0x00007f228195c919 in net::NetworkThread::run (this=0x1d55ea0) at ../../src/net/networkthread.cpp:48
#8  0x00007f227e7c2d1c in QThreadPrivate::start (arg=0x1d55ea0) at thread/qthread_unix.cpp:349
#9  0x00007f227aaea6aa in start_thread (arg=0x7f225a7fc700) at pthread_create.c:333
#10 0x00007f227dbe413d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f2259ffb700 (LWP 1849)):
#0  net::UploadThread::waitForSocketsReady (this=this@entry=0x1d56290) at ../../src/net/uploadthread.cpp:121
#1  0x00007f228195c056 in net::UploadThread::update (this=0x1d56290) at ../../src/net/uploadthread.cpp:45
#2  0x00007f228195c919 in net::NetworkThread::run (this=0x1d56290) at ../../src/net/networkthread.cpp:48
#3  0x00007f227e7c2d1c in QThreadPrivate::start (arg=0x1d56290) at thread/qthread_unix.cpp:349
#4  0x00007f227aaea6aa in start_thread (arg=0x7f2259ffb700) at pthread_create.c:333
#5  0x00007f227dbe413d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f225affd700 (LWP 2022)):
#0  0x00007f2279b752c4 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2279b761a6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2279b762fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f227e90320e in QEventDispatcherGlib::processEvents (this=0x7f22440031e0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007f227e8d10d1 in QEventLoop::processEvents (this=this@entry=0x7f225affcd40, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f227e8d1445 in QEventLoop::exec (this=this@entry=0x7f225affcd40, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f227e7c04f9 in QThread::exec (this=this@entry=0x11cdecc0) at thread/qthread.cpp:538
#7  0x00007f227e8b1133 in QInotifyFileSystemWatcherEngine::run (this=0x11cdecc0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f227e7c2d1c in QThreadPrivate::start (arg=0x11cdecc0) at thread/qthread_unix.cpp:349
#9  0x00007f227aaea6aa in start_thread (arg=0x7f225affd700) at pthread_create.c:333
#10 0x00007f227dbe413d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f2239ffb700 (LWP 11239)):
#0  0x00007f227dbd46dd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f2279bb94e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2279b75cd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2279b76190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2279b762fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f227e90320e in QEventDispatcherGlib::processEvents (this=0x7f222c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#6  0x00007f227e8d10d1 in QEventLoop::processEvents (this=this@entry=0x7f2239ffad40, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f227e8d1445 in QEventLoop::exec (this=this@entry=0x7f2239ffad40, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f227e7c04f9 in QThread::exec (this=this@entry=0x139955f0) at thread/qthread.cpp:538
#9  0x00007f227e8b1133 in QInotifyFileSystemWatcherEngine::run (this=0x139955f0) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f227e7c2d1c in QThreadPrivate::start (arg=0x139955f0) at thread/qthread_unix.cpp:349
#11 0x00007f227aaea6aa in start_thread (arg=0x7f2239ffb700) at pthread_create.c:333
#12 0x00007f227dbe413d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f2281dd6840 (LWP 1745)):
[KCrash Handler]
#6  0x00007f227db121c7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f227db13e2a in __GI_abort () at abort.c:89
#8  0x00007f227db55ba3 in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f227dc6bd55 "*** %s ***: %s terminated\n") at ../sysdeps/posix/libc_fatal.c:175
#9  0x00007f227dbf60dc in __GI___fortify_fail (msg=<optimized out>, msg@entry=0x7f227dc6bcec "buffer overflow detected") at fortify_fail.c:38
#10 0x00007f227dbf40d0 in __GI___chk_fail () at chk_fail.c:28
#11 0x00007f227dbf6027 in __fdelt_chk (d=<optimized out>) at fdelt_chk.c:25
#12 0x00007f228012f0c7 in QNativeSocketEnginePrivate::nativeSelect (this=this@entry=0x2d245200, timeout=timeout@entry=-1, checkRead=checkRead@entry=true, checkWrite=<optimized out>, selectForRead=0x7fff2bd1ef1e, selectForWrite=0x7fff2bd1ef1f) at socket/qnativesocketengine_unix.cpp:1094
#13 0x00007f228012c84a in QNativeSocketEngine::waitForReadOrWrite (this=0x303f2360, readyToRead=<optimized out>, readyToWrite=<optimized out>, checkRead=<optimized out>, checkWrite=<optimized out>, msecs=-1, timedOut=0x0) at socket/qnativesocketengine.cpp:1000
#14 0x00007f2280124e27 in QAbstractSocket::waitForBytesWritten (this=0x3006ace0, msecs=-1) at socket/qabstractsocket.cpp:1938
#15 0x00007f2280de6632 in KIO::SocketConnectionBackend::sendCommand (this=0x2f671240, task=...) at ../../kio/kio/connection.cpp:298
#16 0x00007f2280de7417 in KIO::Connection::sendnow (this=0x2c3fa540, _cmd=<optimized out>, data=...) at ../../kio/kio/connection.cpp:509
#17 0x00007f2280de7c1a in KIO::ConnectionPrivate::dequeue (this=0x2f564be0) at ../../kio/kio/connection.cpp:78
#18 0x00007f2280de7d1b in KIO::ConnectionPrivate::dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:619
#19 KIO::ConnectionServer::setNextPendingConnection (this=<optimized out>, conn=<optimized out>) at ../../kio/kio/connection.cpp:618
#20 0x00007f2280ebedfc in KIO::Slave::accept (this=0x1) at ../../kio/kio/slave.cpp:116
#21 0x00007f227e8e6f60 in QMetaObject::activate (sender=0x2cd4f300, m=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3567
#22 0x00007f227e8e6f60 in QMetaObject::activate (sender=0x2f26cf40, m=m@entry=0x7f22811e22e0 <KIO::AbstractConnectionBackend::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3567
#23 0x00007f2280de6753 in KIO::AbstractConnectionBackend::newConnection (this=<optimized out>) at ./connection_p.moc:115
#24 KIO::AbstractConnectionBackend::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./connection_p.moc:54
#25 0x00007f227e8e6f60 in QMetaObject::activate (sender=sender@entry=0x2d776640, m=m@entry=0x7f228004ccc0 <KLocalSocketServer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3567
#26 0x00007f227fd26f30 in KLocalSocketServer::newConnection (this=this@entry=0x2d776640) at ./klocalsocket.moc:179
#27 0x00007f227fd27021 in KLocalSocketServer::incomingConnection (this=0x2d776640, descriptor=1034) at ../../kdecore/network/klocalsocket.cpp:212
#28 0x00007f227fd9e40c in KLocalSocketServerPrivate::processSocketActivity (this=0x2de6a080) at ../../kdecore/network/klocalsocket_unix.cpp:394
#29 0x00007f227e8e6f60 in QMetaObject::activate (sender=sender@entry=0x2a7d6d60, m=m@entry=0x7f227ec36c00 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff2bd1f4e0) at kernel/qobject.cpp:3567
#30 0x00007f227e93823e in QSocketNotifier::activated (this=this@entry=0x2a7d6d60, _t1=802) at .moc/release-shared/moc_qsocketnotifier.cpp:102
#31 0x00007f227e8f171b in QSocketNotifier::event (this=0x2a7d6d60, e=0x7fff2bd1f7a0) at kernel/qsocketnotifier.cpp:316
#32 0x00007f227edfecdc in QApplicationPrivate::notify_helper (this=this@entry=0x1d856e0, receiver=receiver@entry=0x2a7d6d60, e=e@entry=0x7fff2bd1f7a0) at kernel/qapplication.cpp:4570
#33 0x00007f227ee05c16 in QApplication::notify (this=0x7fff2bd206c0, receiver=0x2a7d6d60, e=0x7fff2bd1f7a0) at kernel/qapplication.cpp:4356
#34 0x000000000043d0f1 in kt::App::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at ../../ktorrent/app.cpp:99
#35 0x00007f227e8d285d in QCoreApplication::notifyInternal (this=0x7fff2bd206c0, receiver=0x2a7d6d60, event=event@entry=0x7fff2bd1f7a0) at kernel/qcoreapplication.cpp:955
#36 0x00007f227e9037e2 in QCoreApplication::sendEvent (event=0x7fff2bd1f7a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#37 socketNotifierSourceDispatch (source=0x1d9cc00) at kernel/qeventdispatcher_glib.cpp:117
#38 0x00007f2279b75ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f2279b76250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f2279b762fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f227e9031ee in QEventDispatcherGlib::processEvents (this=0x1d512e0, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#42 0x00007f227eea9c26 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007f227e8d10d1 in QEventLoop::processEvents (this=this@entry=0x7fff2bd1f9f0, flags=...) at kernel/qeventloop.cpp:149
#44 0x00007f227e8d1445 in QEventLoop::exec (this=this@entry=0x7fff2bd1f9f0, flags=...) at kernel/qeventloop.cpp:204
#45 0x00007f227e8d7429 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#46 0x00007f227edfcf2c in QApplication::exec () at kernel/qapplication.cpp:3828
#47 0x0000000000427c72 in main (argc=3, argv=0x7fff2bd20808) at ../../ktorrent/main.cpp:186

Possible duplicates by query: bug 359619.

Reported using DrKonqi