Application that crashed: ktorrent
Version of the application: 3.3.1
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.3
Operating System: Linux 2.6.31.6-desktop-1mnb i686
Distribution: "Mandriva Linux 2010.0"

What I was doing when the application crashed:
When you choose to open a torrent in kTorrent you can select which files inside the torrent you want to download. Cancel of the window crashed kTorrent.

 -- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
[Current thread is 1 (Thread 0xb4ce06d0 (LWP 4122))]

Thread 5 (Thread 0xb2f13b70 (LWP 4130)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5d42911 in select () from /lib/i686/libc.so.6
#2  0xb76f180c in ?? () from /usr/lib/libbtcore.so.12
#3  0xb6916e83 in ?? () from /usr/lib/libQtCore.so.4
#4  0xb68b7885 in start_thread () from /lib/i686/libpthread.so.0
#5  0xb5d4a57e in clone () from /lib/i686/libc.so.6

Thread 4 (Thread 0xabab2b70 (LWP 4181)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5d3f246 in poll () from /lib/i686/libc.so.6
#2  0xb768d439 in ?? () from /usr/lib/libbtcore.so.12
#3  0xb768d51e in ?? () from /usr/lib/libbtcore.so.12
#4  0xb768dfc8 in ?? () from /usr/lib/libbtcore.so.12
#5  0xb6916e83 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb68b7885 in start_thread () from /lib/i686/libpthread.so.0
#7  0xb5d4a57e in clone () from /lib/i686/libc.so.6

Thread 3 (Thread 0xab2b1b70 (LWP 4182)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb68bb9e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb6917fb0 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb768cc54 in ?? () from /usr/lib/libbtcore.so.12
#4  0xb768dfc8 in ?? () from /usr/lib/libbtcore.so.12
#5  0xb6916e83 in ?? () from /usr/lib/libQtCore.so.4
#6  0xb68b7885 in start_thread () from /lib/i686/libpthread.so.0
#7  0xb5d4a57e in clone () from /lib/i686/libc.so.6

Thread 2 (Thread 0xaaab0b70 (LWP 4183)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb5d393bb in read () from /lib/i686/libc.so.6
#2  0xb5cda2fb in _IO_file_underflow () from /lib/i686/libc.so.6
#3  0xb5cdbb6b in _IO_default_uflow () from /lib/i686/libc.so.6
#4  0xb5cdcf98 in __uflow () from /lib/i686/libc.so.6
#5  0xb5cd029c in _IO_getline_info () from /lib/i686/libc.so.6
#6  0xb5cd01e1 in _IO_getline () from /lib/i686/libc.so.6
#7  0xb5ccf12a in fgets () from /lib/i686/libc.so.6
#8  0xa858ec31 in ?? () from /lib/libnss_mdns4.so.2
#9  0xa858f0c5 in _nss_mdns4_gethostbyaddr_r () from /lib/libnss_mdns4.so.2
#10 0xb5d6225b in gethostbyaddr_r () from /lib/i686/libc.so.6
#11 0xb5d6a7a5 in getnameinfo () from /lib/i686/libc.so.6
#12 0xb7691301 in ?? () from /usr/lib/libbtcore.so.12
#13 0xb76913a5 in ?? () from /usr/lib/libbtcore.so.12
#14 0xb76914ae in ?? () from /usr/lib/libbtcore.so.12
#15 0xb6916e83 in ?? () from /usr/lib/libQtCore.so.4
#16 0xb68b7885 in start_thread () from /lib/i686/libpthread.so.0
#17 0xb5d4a57e in clone () from /lib/i686/libc.so.6

Thread 1 (Thread 0xb4ce06d0 (LWP 4122)):
[KCrash Handler]
#6  0xb69119f7 in QMutex::lock () from /usr/lib/libQtCore.so.4
#7  0xb6a0d872 in QCoreApplication::postEvent () from /usr/lib/libQtCore.so.4
#8  0xb6a0db7b in QCoreApplication::postEvent () from /usr/lib/libQtCore.so.4
#9  0xb6a1d4d4 in QObject::deleteLater () from /usr/lib/libQtCore.so.4
#10 0xb6bd6d0d in KJob::emitResult () from /usr/lib/libkdecore.so.5
#11 0xb734744f in KIO::SimpleJob::slotFinished () from /usr/lib/libkio.so.5
#12 0xb7347976 in KIO::TransferJob::slotFinished () from /usr/lib/libkio.so.5
#13 0xb7345534 in KIO::TransferJob::qt_metacall () from /usr/lib/libkio.so.5
#14 0xb6a24144 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0xb6a24e65 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb74191f5 in KIO::SlaveInterface::finished () from /usr/lib/libkio.so.5
#17 0xb741d364 in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#18 0xb741970a in KIO::SlaveInterface::dispatch () from /usr/lib/libkio.so.5
#19 0xb740ad05 in KIO::Slave::gotInput () from /usr/lib/libkio.so.5
#20 0xb740d2d4 in KIO::Slave::qt_metacall () from /usr/lib/libkio.so.5
#21 0xb6a24144 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb6a24e65 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb730b7c5 in KIO::Connection::readyRead () from /usr/lib/libkio.so.5
#24 0xb730d6aa in ?? () from /usr/lib/libkio.so.5
#25 0xb730d7f7 in KIO::Connection::qt_metacall () from /usr/lib/libkio.so.5
#26 0xb6a1c92a in QMetaCallEvent::placeMetaCall () from /usr/lib/libQtCore.so.4
#27 0xb6a1e076 in QObject::event () from /usr/lib/libQtCore.so.4
#28 0xb601968c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#29 0xb60210ce in QApplication::notify () from /usr/lib/libQtGui.so.4
#30 0xb7070a21 in KApplication::notify () from /usr/lib/libkdeui.so.5
#31 0xb6a0dc0e in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#32 0xb6a0e8bc in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb6a0ea7c in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#34 0xb6a39dbd in ?? () from /usr/lib/libQtCore.so.4
#35 0xb5344b92 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb5348468 in ?? () from /usr/lib/libglib-2.0.so.0
#37 0xb534858e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb6a398f1 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb60bb4ba in ?? () from /usr/lib/libQtGui.so.4
#40 0xb6a0c26d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#41 0xb6a0c6b9 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#42 0xb6a0eb50 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#43 0xb6019504 in QApplication::exec () from /usr/lib/libQtGui.so.4
#44 0x08065571 in _start ()

Reported using DrKonqi