Application: ktorrent (3.3.4)
KDE Platform Version: 4.4.3 (KDE 4.4.3)
Qt Version: 4.6.2
Operating System: Linux 2.6.34-rc6-00106-gd93ac51 x86_64
Distribution: Debian GNU/Linux 5.0.4 (lenny)

-- Information about the crash:
The search field is the one from the built-in browser, not the one incorporated in ktorrent. Other than that, I was doing nothing unusual.

The crash can be reproduced some of the time.

 -- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f72ee1ea750 (LWP 14268))]

Thread 6 (Thread 0x7f72dbca8910 (LWP 14293)):
#0  0xffffffffff600132 in ?? ()
#1  0x00007fff0edff702 in ?? ()
#2  0x00007fff0edff79d in gettimeofday ()
#3  0x00007f72e9fa910a in gettimeofday () at ../sysdeps/unix/sysv/linux/x86_64/gettimeofday.S:37
#4  0x00007f72edd07fee in bt::Now() () from /usr/lib/libbtcore.so.12
#5  0x00007f72edd1adba in ?? () from /usr/lib/libbtcore.so.12
#6  0x00007f72edd1b919 in ?? () from /usr/lib/libbtcore.so.12
#7  0x00007f72eb77f5c5 in QThreadPrivate::start (arg=0x8e71e0) at thread/qthread_unix.cpp:248
#8  0x00007f72e71467aa in start_thread (arg=<value optimized out>) at pthread_create.c:300
#9  0x00007f72e9fe659d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f72daca6910 (LWP 14294)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f72eb78058b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x8e77b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x8e77b0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f72edd1a83c in ?? () from /usr/lib/libbtcore.so.12
#4  0x00007f72edd1b919 in ?? () from /usr/lib/libbtcore.so.12
#5  0x00007f72eb77f5c5 in QThreadPrivate::start (arg=0x8e7740) at thread/qthread_unix.cpp:248
#6  0x00007f72e71467aa in start_thread (arg=<value optimized out>) at pthread_create.c:300
#7  0x00007f72e9fe659d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f72cc8f6910 (LWP 14295)):
#0  0x00007f72e9fdb633 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=5000) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f72e194785e in send_dg (statp=0x7f72cc8f6dc8, buf=<value optimized out>, buflen=<value optimized out>, buf2=0x0, buflen2=<value optimized out>, ans=0x7f72cc8f4dd0 "\202l\201\200", 
    anssiz=1024, ansp=0x7f72cc8f5650, ansp2=0x0, nansp2=0x0, resplen2=0x0) at res_send.c:1062
#2  __libc_res_nsend (statp=0x7f72cc8f6dc8, buf=<value optimized out>, buflen=<value optimized out>, buf2=0x0, buflen2=<value optimized out>, ans=0x7f72cc8f4dd0 "\202l\201\200", anssiz=1024, 
    ansp=0x7f72cc8f5650, ansp2=0x0, nansp2=0x0, resplen2=0x0) at res_send.c:553
#3  0x00007f72e1945a05 in *__GI___libc_res_nquery (statp=0x7f72cc8f6dc8, name=<value optimized out>, class=<value optimized out>, type=<value optimized out>, answer=0x7f72cc8f4dd0 "\202l\201\200", 
    anslen=<value optimized out>, answerp=0x7f72cc8f5650, answerp2=0x0, nanswerp2=0x0, resplen2=0x0) at res_query.c:225
#4  0x00007f72d9e943ec in *__GI__nss_dns_gethostbyaddr2_r (addr=<value optimized out>, len=<value optimized out>, af=2, result=<value optimized out>, buffer=<value optimized out>, 
    buflen=<value optimized out>, errnop=0x7f72cc8f6898, h_errnop=0x7f72cc8f5ddc, ttlp=0x0) at nss_dns/dns-host.c:465
#5  0x00007f72d9e94545 in _nss_dns_gethostbyaddr_r (addr=0x7f72cc8f4b50, len=1, af=5000, result=0xffffffffffffffff, buffer=0x0, buflen=0, errnop=0x7f72cc8f6898, h_errnop=0x7f72cc8f5ddc)
    at nss_dns/dns-host.c:524
#6  0x00007f72e9ffcbe8 in __gethostbyaddr_r (addr=0x7f72d4a1b6e4, len=4, type=<value optimized out>, resbuf=0x7f72cc8f5da0, buffer=<value optimized out>, buflen=<value optimized out>, 
    result=0x7f72cc8f5dd0, h_errnop=0x7f72cc8f5ddc) at ../nss/getXXbyYY_r.c:253
#7  0x00007f72ea00234d in *__GI_getnameinfo (sa=0x7f72d4a1b6e0, addrlen=<value optimized out>, host=0x7f72cc8f5f00 "", hostlen=199, serv=0x7f72cc8f5e30 "", servlen=199, flags=<value optimized out>)
    at getnameinfo.c:223
#8  0x00007f72edd1dfdc in ?? () from /usr/lib/libbtcore.so.12
#9  0x00007f72edd1e060 in ?? () from /usr/lib/libbtcore.so.12
#10 0x00007f72edd1e157 in ?? () from /usr/lib/libbtcore.so.12
#11 0x00007f72eb77f5c5 in QThreadPrivate::start (arg=0x7f72d477b710) at thread/qthread_unix.cpp:248
#12 0x00007f72e71467aa in start_thread (arg=<value optimized out>) at pthread_create.c:300
#13 0x00007f72e9fe659d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f72cd8f8910 (LWP 26551)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:220
#1  0x00007f72eb7804f2 in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0xe6cfd0, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xe6cfd0, time=30000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f72eb775929 in QThreadPoolThread::run (this=0xe67410) at concurrent/qthreadpool.cpp:140
#4  0x00007f72eb77f5c5 in QThreadPrivate::start (arg=0xe67410) at thread/qthread_unix.cpp:248
#5  0x00007f72e71467aa in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f72e9fe659d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f72cd0f7910 (LWP 26552)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:220
#1  0x00007f72eb7804f2 in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0xe6cfd0, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xe6cfd0, time=30000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f72eb775929 in QThreadPoolThread::run (this=0xe61430) at concurrent/qthreadpool.cpp:140
#4  0x00007f72eb77f5c5 in QThreadPrivate::start (arg=0xe61430) at thread/qthread_unix.cpp:248
#5  0x00007f72e71467aa in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f72e9fe659d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f72ee1ea750 (LWP 14268)):
[KCrash Handler]
#5  0x0000000001953170 in ?? ()
#6  0x00007f72cf42fa01 in khtml::LineEditWidget::contextMenuEvent (this=0x11b21c0, e=0x7fff0edbf4c0) at ../../khtml/rendering/render_form.cpp:901
#7  0x00007f72cf422d8a in khtml::RenderWidget::handleEvent (this=0x15e1678, ev=...) at ../../khtml/rendering/render_replaced.cpp:1100
#8  0x00007f72cf3a0128 in DOM::HTMLGenericFormElementImpl::defaultEventHandler (this=0x11b1fd0, evt=0x1cfe660) at ../../khtml/html/html_formimpl.cpp:1049
#9  0x00007f72cf3afee2 in DOM::HTMLInputElementImpl::defaultEventHandler (this=0x11b1fd0, evt=0x1cfe660) at ../../khtml/html/html_formimpl.cpp:1954
#10 0x00007f72cf339774 in DOM::NodeImpl::dispatchGenericEvent (this=0x11b1fd0, evt=0x1cfe660) at ../../khtml/xml/dom_nodeimpl.cpp:526
#11 0x00007f72cf33996e in DOM::NodeImpl::dispatchEvent (this=0x11b1fd0, evt=0x1cfe660, exceptioncode=@0x7fff0edbf97c, tempEvent=true) at ../../khtml/xml/dom_nodeimpl.cpp:453
#12 0x00007f72cf2a74b9 in KHTMLView::dispatchMouseEvent (this=0xe25780, eventId=<value optimized out>, targetNode=0x11b1fd0, targetNodeNonShared=<value optimized out>, 
    cancelable=<value optimized out>, detail=<value optimized out>, _mouse=<value optimized out>, setUnder=true, mouseEventType=0, orient=0) at ../../khtml/khtmlview.cpp:3742
#13 0x00007f72cf2b8472 in KHTMLView::mousePressEvent (this=0xe25780, _mouse=0x7fff0edc0a10) at ../../khtml/khtmlview.cpp:1246
#14 0x00007f72eac68c29 in QWidget::event (this=0xe25780, event=0x7fff0edc0a10) at kernel/qwidget.cpp:7994
#15 0x00007f72eb00e726 in QFrame::event (this=0xe25780, e=0x7fff0edc0a10) at widgets/qframe.cpp:557
#16 0x00007f72cf2b2755 in KHTMLView::widgetEvent (this=0xe25780, e=0x0) at ../../khtml/khtmlview.cpp:2362
#17 0x00007f72cf2b2a5f in KHTMLView::eventFilter (this=0xe25780, o=0x7f72d477aae0, e=0x7fff0edc0a10) at ../../khtml/khtmlview.cpp:2207
#18 0x00007f72eb873337 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x7f72d477aae0, event=0x7fff0edc0a10) at kernel/qcoreapplication.cpp:819
#19 0x00007f72eac128cc in QApplicationPrivate::notify_helper (this=0x912400, receiver=0x7f72d477aae0, e=0x7fff0edc0a10) at kernel/qapplication.cpp:4296
#20 0x00007f72eac195ab in QApplication::notify (this=0x7fff0edc1540, receiver=0x7f72d477aae0, e=0x7fff0edc0a10) at kernel/qapplication.cpp:3865
#21 0x00007f72ecebe366 in KApplication::notify (this=0x7fff0edc1540, receiver=0x7f72d477aae0, event=0x7fff0edc0a10) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x00007f72eb873f1c in QCoreApplication::notifyInternal (this=0x7fff0edc1540, receiver=0x7f72d477aae0, event=0x7fff0edc0a10) at kernel/qcoreapplication.cpp:704
#23 0x00007f72eac1878e in QCoreApplication::sendEvent (receiver=0x7f72d477aae0, event=0x7fff0edc0a10, alienWidget=0x7f72d477aae0, nativeWidget=0x7f72d403dd50, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QApplicationPrivate::sendMouseEvent (receiver=0x7f72d477aae0, event=0x7fff0edc0a10, alienWidget=0x7f72d477aae0, nativeWidget=0x7f72d403dd50, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#25 0x00007f72eac983cb in QETWidget::translateMouseEvent (this=0x7f72d403dd50, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#26 0x00007f72eac96d3c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff0edc1190) at kernel/qapplication_x11.cpp:3501
#27 0x00007f72eacc27e2 in x11EventSourceDispatch (s=0x923710, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#28 0x00007f72e64606c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007f72e6464538 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007f72e64646ec in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007f72eb89d373 in QEventDispatcherGlib::processEvents (this=0x8e51d0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#32 0x00007f72eacc23de in QGuiEventDispatcherGlib::processEvents (this=0x19a48a0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f72eb872842 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#34 0x00007f72eb872c1c in QEventLoop::exec (this=0x7fff0edc14b0, flags=) at kernel/qeventloop.cpp:201
#35 0x00007f72eb87695b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#36 0x00000000004271c4 in _start ()

Reported using DrKonqi