Bug 275847

Application: ktorrent (4.0.5)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

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

KTorrent crashed abruptly while downloading just one torrent.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Bus error
[Current thread is 1 (Thread 0xb770b930 (LWP 13103))]

Thread 7 (Thread 0xb74aab70 (LWP 13104)):
#0  0x00703416 in __kernel_vsyscall ()
#1  0x00911f76 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x07d3f84b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x07d2f1af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x07d2f92b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03731304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x07d582df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x009e8e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x0092073e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xb3d5cb70 (LWP 13107)):
#0  0x07d2f552 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x015d2577 in QEventDispatcherGlib::processEvents (this=0x9499c48, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#2  0x015a4289 in QEventLoop::processEvents (this=0xb3d5c290, flags=...) at kernel/qeventloop.cpp:149
#3  0x015a4522 in QEventLoop::exec (this=0xb3d5c290, flags=...) at kernel/qeventloop.cpp:201
#4  0x014ae2a0 in QThread::exec (this=0x9439598) at thread/qthread.cpp:492
#5  0x001f5e8e in utp::UTPServerThread::run (this=0x9439598) at ../../src/utp/utpserverthread.cpp:44
#6  0x014b0da2 in QThreadPrivate::start (arg=0x9439598) at thread/qthread_unix.cpp:320
#7  0x009e8e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x0092073e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xb355bb70 (LWP 13108)):
#0  0x00703416 in __kernel_vsyscall ()
#1  0x00919681 in select () from /lib/i386-linux-gnu/libc.so.6
#2  0x001c2291 in dht::RPCServerThread::run (this=0x949b570) at ../../src/dht/rpcserver.cpp:107
#3  0x014b0da2 in QThreadPrivate::start (arg=0x949b570) at thread/qthread_unix.cpp:320
#4  0x009e8e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#5  0x0092073e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xa95c1b70 (LWP 13123)):
#0  0x014ac67f in testAndSetOrdered (this=0x949e4e4) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:144
#1  testAndSetRelease (this=0x949e4e4) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:271
#2  QMutex::unlock (this=0x949e4e4) at thread/qmutex.cpp:375
#3  0x001f34b0 in unlock (this=0x949e488, p=0x92cd680, mode=net::Poll::INPUT, conn=0x9b81c28) at /usr/include/qt4/QtCore/qmutex.h:114
#4  ~QMutexLocker (this=0x949e488, p=0x92cd680, mode=net::Poll::INPUT, conn=0x9b81c28) at /usr/include/qt4/QtCore/qmutex.h:108
#5  utp::UTPServer::preparePolling (this=0x949e488, p=0x92cd680, mode=net::Poll::INPUT, conn=0x9b81c28) at ../../src/utp/utpserver.cpp:526
#6  0x001fa1f9 in utp::UTPSocket::prepare (this=0x9b7e168, p=0x92cd680, mode=net::Poll::INPUT) at ../../src/utp/utpsocket.cpp:202
#7  0x00160e18 in net::DownloadThread::waitForSocketReady (this=0x92cd678) at ../../src/net/downloadthread.cpp:123
#8  0x00160f4f in net::DownloadThread::update (this=0x92cd678) at ../../src/net/downloadthread.cpp:48
#9  0x001611e8 in net::NetworkThread::run (this=0x92cd678) at ../../src/net/networkthread.cpp:48
#10 0x014b0da2 in QThreadPrivate::start (arg=0x92cd678) at thread/qthread_unix.cpp:320
#11 0x009e8e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x0092073e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa8dc0b70 (LWP 13124)):
#0  0x00703416 in __kernel_vsyscall ()
#1  0x009ed48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x0092e3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x014afdaa in QMutexPrivate::wait (this=0x92cd570, timeout=-1) at thread/qmutex_unix.cpp:84
#4  0x014ac492 in QMutex::lock (this=0x81118b4) at thread/qmutex.cpp:167
#5  0x0015f560 in net::SocketMonitor::lock (this=0x81118b0) at ../../src/net/socketmonitor.cpp:82
#6  0x00160422 in net::UploadThread::waitForSocketsReady (this=0x92cd9d8) at ../../src/net/uploadthread.cpp:112
#7  0x001606bf in net::UploadThread::update (this=0x92cd9d8) at ../../src/net/uploadthread.cpp:45
#8  0x001611e8 in net::NetworkThread::run (this=0x92cd9d8) at ../../src/net/networkthread.cpp:48
#9  0x014b0da2 in QThreadPrivate::start (arg=0x92cd9d8) at thread/qthread_unix.cpp:320
#10 0x009e8e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x0092073e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa85bfb70 (LWP 13125)):
#0  0x00703416 in __kernel_vsyscall ()
#1  0x009ed48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x0092e3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x014b1467 in wait (this=0xb6b3bbf4, mutex=0xb6b3bbf0, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xb6b3bbf4, mutex=0xb6b3bbf0, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x001643af in net::ReverseResolverThread::run (this=0xb6b3bbe8) at ../../src/net/reverseresolver.cpp:123
#6  0x014b0da2 in QThreadPrivate::start (arg=0xb6b3bbe8) at thread/qthread_unix.cpp:320
#7  0x009e8e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x0092073e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb770b930 (LWP 13103)):
[KCrash Handler]
#7  0x008c55e1 in ?? () from /lib/i386-linux-gnu/libc.so.6
#8  0x00188b98 in bt::ChunkDownload::piece (this=0xab35f50, p=..., ok=@0xbf90a6bf) at /usr/include/bits/string3.h:52
#9  0x0018d8ea in bt::Downloader::pieceReceived (this=0x985cc38, p=...) at ../../src/download/downloader.cpp:134
#10 0x00176e7f in bt::PeerManager::pieceReceived (this=0x95f1510, p=...) at ../../src/peer/peermanager.cpp:671
#11 0x00175a92 in bt::Peer::packetReady (this=0xb6b78388, packet=0xb6360038 "\a", len=16393) at ../../src/peer/peer.cpp:283
#12 0x0017e959 in bt::PacketReader::update (this=0xb6b77ef8) at ../../src/peer/packetreader.cpp:141
#13 0x001736f9 in bt::Peer::update (this=0xb6b78388) at ../../src/peer/peer.cpp:538
#14 0x001787ea in bt::PeerManager::update (this=0x95f1510) at ../../src/peer/peermanager.cpp:144
#15 0x001aad2d in bt::TorrentControl::update (this=0x95f0eb0) at ../../src/torrent/torrentcontrol.cpp:163
#16 0x0806a063 in kt::Core::update (this=0xb6b07838) at ../../ktorrent/core.cpp:1025
#17 0x08070895 in kt::Core::qt_metacall (this=0xb6b07838, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbf90aa3c) at ./core.moc:169
#18 0x015ab6ba in QMetaObject::metacall (object=0xb6b07838, cl=QMetaObject::InvokeMetaMethod, idx=22, argv=0xbf90aa3c) at kernel/qmetaobject.cpp:237
#19 0x015bb4ff in QMetaObject::activate (sender=0xb6b0784c, m=0x16e05a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3287
#20 0x016082f7 in QTimer::timeout (this=0xb6b0784c) at .moc/release-shared/moc_qtimer.cpp:134
#21 0x015c13ee in QTimer::timerEvent (this=0xb6b0784c, e=0xbf90af3c) at kernel/qtimer.cpp:271
#22 0x015ba214 in QObject::event (this=0xb6b0784c, e=0xbf90af3c) at kernel/qobject.cpp:1190
#23 0x059d5d24 in QApplicationPrivate::notify_helper (this=0x931c9d8, receiver=0xb6b0784c, e=0xbf90af3c) at kernel/qapplication.cpp:4462
#24 0x059da8ce in QApplication::notify (this=0xbf90b260, receiver=0xb6b0784c, e=0xbf90af3c) at kernel/qapplication.cpp:3862
#25 0x08077a57 in kt::App::notify (this=0xbf90b260, receiver=0xb6b0784c, event=0xbf90af3c) at ../../ktorrent/app.cpp:97
#26 0x015a50bb in QCoreApplication::notifyInternal (this=0xbf90b260, receiver=0xb6b0784c, event=0xbf90af3c) at kernel/qcoreapplication.cpp:731
#27 0x015d51e4 in sendEvent (this=0x931c524) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#28 QTimerInfoList::activateTimers (this=0x931c524) at kernel/qeventdispatcher_unix.cpp:604
#29 0x015d1e27 in timerSourceDispatch (source=0x931c3f8) at kernel/qeventdispatcher_glib.cpp:184
#30 idleTimerSourceDispatch (source=0x931c3f8) at kernel/qeventdispatcher_glib.cpp:231
#31 0x07d2eaa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#32 0x07d2f270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#33 0x07d2f524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#34 0x015d253c in QEventDispatcherGlib::processEvents (this=0x92c7aa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#35 0x05a89775 in QGuiEventDispatcherGlib::processEvents (this=0x92c7aa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x015a4289 in QEventLoop::processEvents (this=0xbf90b1d4, flags=...) at kernel/qeventloop.cpp:149
#37 0x015a4522 in QEventLoop::exec (this=0xbf90b1d4, flags=...) at kernel/qeventloop.cpp:201
#38 0x015a8ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#39 0x059d38e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#40 0x08067221 in main (argc=) at ../../ktorrent/main.cpp:176

Possible duplicates by query: bug 275380, bug 274602, bug 274211, bug 274114, bug 273789.

Reported using DrKonqi