Application: krfb (4.6.4 (4.6.4))
KDE Platform Version: 4.6.4 (4.6.4)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Tried to connect to desktop remotely from a windows 7 station running ultraVNC 1.0.8.2

- Custom settings of the application:
UltraVNC in windows set to 'ULTRA' and 'Auto Scaling'.
Krfb was set to allow uninvited connection without prompt and with password.

-- Backtrace:
Application: Desktop Sharing (krfb), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fabe31a9780 (LWP 2093))]

Thread 2 (Thread 0x7fabcf627700 (LWP 2094)):
#0  0x00007fabdfccdf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fabdd5f5104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fabdd5f5639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fabe0415446 in QEventDispatcherGlib::processEvents (this=0x1d287a0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fabe03e9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fabe03e9abc in QEventLoop::exec (this=0x7fabcf626dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fabe0300924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007fabe03cbc2f in QInotifyFileSystemWatcherEngine::run (this=0x1bfe900) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fabe0303175 in QThreadPrivate::start (arg=0x1bfe900) at thread/qthread_unix.cpp:320
#9  0x00007fabdf5bdd8c in start_thread (arg=0x7fabcf627700) at pthread_create.c:304
#10 0x00007fabdfcdb04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fabe31a9780 (LWP 2093)):
[KCrash Handler]
#6  _lzo1x_1_do_compress (in=0x21c6870 "\016\n", in_len=128000, out=0x21e6621 "#%\214O#\fP\"\234O|\001l", out_len=0x7fff2a5e866c, wrkmem=0x2207010) at ../../../krfb/libvncserver/minilzo.c:1680
#7  lzo1x_1_compress (in=0x21c6870 "\016\n", in_len=128000, out=0x21e6621 "#%\214O#\fP\"\234O|\001l", out_len=0x7fff2a5e866c, wrkmem=0x2207010) at ../../../krfb/libvncserver/minilzo.c:1905
#8  0x000000000043a574 in rfbSendOneRectEncodingUltra (cl=0x21baf70, x=<value optimized out>, y=<value optimized out>, w=<value optimized out>, h=<value optimized out>) at ../../../krfb/libvncserver/ultra.c:112
#9  rfbSendRectEncodingUltra (cl=0x21baf70, x=<value optimized out>, y=<value optimized out>, w=<value optimized out>, h=<value optimized out>) at ../../../krfb/libvncserver/ultra.c:212
#10 0x000000000042b819 in rfbSendFramebufferUpdate (cl=0x21baf70, givenUpdateRegion=<value optimized out>) at ../../../krfb/libvncserver/rfbserver.c:2785
#11 0x00000000004268fc in rfbUpdateClient (cl=0x21baf70) at ../../../krfb/libvncserver/main.c:1109
#12 0x0000000000422835 in RfbClient::update (this=0x2189530) at ../../../krfb/krfb/rfbclient.cpp:176
#13 0x0000000000421079 in RfbServerManager::updateScreens (this=0x1c83750) at ../../../krfb/krfb/rfbservermanager.cpp:144
#14 0x000000000042123c in RfbServerManager::qt_metacall (this=0x1c83750, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff2a5e8920) at ./rfbservermanager.moc:83
#15 0x00007fabe03ff5f8 in QMetaObject::activate (sender=0x1c835b0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3287
#16 0x00007fabe03fe1c9 in QObject::event (this=0x1c835b0, e=<value optimized out>) at kernel/qobject.cpp:1190
#17 0x00007fabe0da99e4 in QApplicationPrivate::notify_helper (this=0x1ba4860, receiver=0x1c835b0, e=0x7fff2a5e9020) at kernel/qapplication.cpp:4462
#18 0x00007fabe0dae3aa in QApplication::notify (this=<value optimized out>, receiver=0x1c835b0, e=0x7fff2a5e9020) at kernel/qapplication.cpp:4341
#19 0x00007fabe1ee7716 in KApplication::notify (this=0x7fff2a5e9450, receiver=0x1c835b0, event=0x7fff2a5e9020) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007fabe03ea49c in QCoreApplication::notifyInternal (this=0x7fff2a5e9450, receiver=0x1c835b0, event=0x7fff2a5e9020) at kernel/qcoreapplication.cpp:731
#21 0x00007fabe0417f12 in sendEvent (this=0x1ba83e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x1ba83e0) at kernel/qeventdispatcher_unix.cpp:604
#23 0x00007fabe0414d18 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#24 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#25 0x00007fabdd5f4bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fabdd5f53a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fabdd5f5639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fabe04153ef in QEventDispatcherGlib::processEvents (this=0x1b5f490, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#29 0x00007fabe0e50dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007fabe03e9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007fabe03e9abc in QEventLoop::exec (this=0x7fff2a5e9290, flags=...) at kernel/qeventloop.cpp:201
#32 0x00007fabe03edecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#33 0x00000000004191e7 in main (argc=5, argv=<value optimized out>) at ../../../krfb/krfb/main.cpp:128

Reported using DrKonqi