Version:           3.5.7 (using KDE 3.5.7 "release 64.1" , openSUSE )
Compiler:          Target: x86_64-suse-linux
OS:                Linux (x86_64) release 2.6.18.8-0.5-default

Clicked on "Bookmarks", right-clicked on a bookmark folder and selected "Open folder in tabs". Then, while bookmarks were still loading, right-clicked on another bookmark folder and again selected "Open folder in tabs". This caused konqueror to crash.

$ rpm -q kdebase3 kdelibs3 kernel-default
kdebase3-3.5.7-64.1
kdelibs3-3.5.7-64.1
kernel-default-2.6.18.8-0.5


System configuration startup check disabled.

Using host libthread_db library "/lib64/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 47402137546784 (LWP 25773)]
[KCrash handler]
#5  0x00002b1ca734e535 in raise () from /lib64/libc.so.6
#6  0x00002b1ca734f990 in abort () from /lib64/libc.so.6
#7  0x00002b1ca70dcaf4 in __gnu_cxx::__verbose_terminate_handler ()
   from /usr/lib64/libstdc++.so.6
#8  0x00002b1ca70dac36 in std::set_unexpected () from /usr/lib64/libstdc++.so.6
#9  0x00002b1ca70dac63 in std::terminate () from /usr/lib64/libstdc++.so.6
#10 0x00002b1ca70db13f in __cxa_pure_virtual () from /usr/lib64/libstdc++.so.6
#11 0x00002b1cac05695d in KonqViewManager::removeTab ()
   from /opt/kde3/lib64/libkdeinit_konqueror.so
#12 0x00002b1cac067164 in KonqMainWindow::qt_invoke ()
   from /opt/kde3/lib64/libkdeinit_konqueror.so
#13 0x00002b1ca639559c in QObject::activate_signal ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#14 0x00002b1ca667ad02 in QSignal::signal ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#15 0x00002b1ca63ae025 in QSignal::activate ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#16 0x00002b1ca63b4638 in QSingleShotTimer::event ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#17 0x00002b1ca633e425 in QApplication::internalNotify ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#18 0x00002b1ca633f057 in QApplication::notify ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#19 0x00002b1ca5d69de8 in KApplication::notify ()
   from /opt/kde3/lib64/libkdecore.so.4
#20 0x00002b1ca6334a6f in QEventLoop::activateTimers ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#21 0x00002b1ca62f479d in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#22 0x00002b1ca6352fd3 in QEventLoop::enterLoop ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#23 0x00002b1ca6352e82 in QEventLoop::exec ()
   from /usr/lib/qt3/lib64/libqt-mt.so.3
#24 0x00002b1cac064a33 in kdemain ()
   from /opt/kde3/lib64/libkdeinit_konqueror.so
#25 0x00000000004074a1 in launch ()
#26 0x0000000000407dd4 in handle_launcher_request ()
#27 0x0000000000408195 in handle_requests ()
#28 0x00000000004091ea in main ()