Version:           3.5.5 (using KDE 3.5.5, Debian Package 4:3.5.5a.dfsg.1-5 (4.0))
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.18-3-686

I just downloaded a file from SourceForge and Konqueror crashed. Here is the backtrace:

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Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1232078624 (LWP 3460)]
[KCrash handler]
#5  0xb7d66f6a in malloc_usable_size () from /lib/tls/libc.so.6
#6  0xb7d68f58 in free () from /lib/tls/libc.so.6
#7  0xb7d6ac4f in malloc () from /lib/tls/libc.so.6
#8  0xb75a7f8f in QGArray::resize (this=0x89bf07c, newsize=512, 
    optim=MemOptim) at tools/qgarray.cpp:287
#9  0xb75a7ff2 in QGArray::resize (this=0x89bf07c, newsize=512)
    at tools/qgarray.cpp:299
#10 0xb72164eb in QMemArray<QRect>::resize (this=0x89bf07c, size=32)
    at ../include/qmemarray.h:70
#11 0xb7211dc2 in miRegionOp (newReg=0x89bf078, reg1=0x85d0e28, 
    reg2=0x8641aa8, overlapFunc=0xb72135a6 <miUnionO>, 
    nonOverlap1Func=0xb7213d20 <miUnionNonO>, 
    nonOverlap2Func=0xb7213d20 <miUnionNonO>) at kernel/qregion_x11.cpp:727
#12 0xb72125b0 in UnionRegion (reg1=0x85d0e28, reg2=0x8641aa8, 
    newReg=0x89bf078) at kernel/qregion_x11.cpp:1089
#13 0xb7215386 in QRegion::unite (this=0xbfacee08, r=@0xbfaced98)
    at kernel/qregion_x11.cpp:2716
#14 0xb72d4d1a in QRegion::operator+ (this=0xbfacee08, r=@0xbfaced98)
    at kernel/qregion.cpp:302
#15 0xb72d4d54 in QRegion::operator+= (this=0xbfacee08, r=@0xbfaced98)
    at kernel/qregion.cpp:349
#16 0xb5efc014 in khtml::RenderLayer::paintedRegion (this=0x869a18c, 
    rootLayer=0x852c7a0)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/rendering/render_layer.cpp:192
#17 0xb5efbfff in khtml::RenderLayer::paintedRegion (this=0x8699b44, 
    rootLayer=0x852c7a0)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/rendering/render_layer.cpp:192
#18 0xb5efc33a in khtml::RenderLayer::updateWidgetMasks (this=0x852c888, 
    rootLayer=0x852c7a0)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/rendering/render_layer.cpp:272
#19 0xb5efc24f in khtml::RenderLayer::updateWidgetMasks (this=0x852c7a0, 
    rootLayer=0x852c7a0)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/rendering/render_layer.cpp:281
#20 0xb5f1e88f in khtml::RenderCanvas::layout (this=0x852c6d0)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/rendering/render_canvas.cpp:195
#21 0xb5e3c97d in KHTMLView::layout (this=0x866bac8)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/khtmlview.cpp:829
#22 0xb5e3d2d9 in KHTMLView::timerEvent (this=0x866bac8, e=0xbfacf3b8)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./khtml/khtmlview.cpp:3378
#23 0xb72b53d8 in QObject::event (this=0x866bac8, e=0xbfacf3b8)
    at kernel/qobject.cpp:741
#24 0xb72ec612 in QWidget::event (this=0x866bac8, e=0xbfacf3b8)
    at kernel/qwidget.cpp:4678
#25 0xb724dc26 in QApplication::internalNotify (this=0xbfacf70c, 
    receiver=0x866bac8, e=0xbfacf3b8) at kernel/qapplication.cpp:2635
#26 0xb72505d6 in QApplication::notify (this=0xbfacf70c, receiver=0x866bac8, 
    e=0xbfacf3b8) at kernel/qapplication.cpp:2523
#27 0xb7943e0e in KApplication::notify (this=0xbfacf70c, receiver=0x866bac8, 
    event=0xbfacf3b8)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./kdecore/kapplication.cpp:550
#28 0xb71e1421 in QApplication::sendEvent (receiver=0x866bac8, 
    event=0xbfacf3b8) at ../include/qapplication.h:520
#29 0xb7240623 in QEventLoop::activateTimers (this=0x80b9ec0)
    at kernel/qeventloop_unix.cpp:556
#30 0xb71f576f in QEventLoop::processEvents (this=0x80b9ec0, flags=4)
    at kernel/qeventloop_x11.cpp:389
#31 0xb7268179 in QEventLoop::enterLoop (this=0x80b9ec0)
    at kernel/qeventloop.cpp:198
#32 0xb7267f9a in QEventLoop::exec (this=0x80b9ec0)
    at kernel/qeventloop.cpp:145
#33 0xb724f7bf in QApplication::exec (this=0xbfacf70c)
    at kernel/qapplication.cpp:2758
#34 0xb6679495 in kdemain () from /usr/lib/libkdeinit_konqueror.so
#35 0xb7fab524 in kdeinitmain () from /usr/lib/kde3/konqueror.so
#36 0x0804e457 in launch (argc=2, _name=0x807adcc "konqueror", 
    args=0x807ae11 "", cwd=0x807ae12 "/home/ronny", envc=26, 
    envs=0x807b1c5 "", reset_env=true, tty=0x0, avoid_loops=false, 
    startup_id_str=0x807b1ca "0")
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./kinit/kinit.cpp:673
#37 0x0804ecf9 in handle_launcher_request (sock=5)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./kinit/kinit.cpp:1240
#38 0x0804f20c in handle_requests (waitForPid=0)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./kinit/kinit.cpp:1433
#39 0x080502b1 in main (argc=5, argv=0xbfad01c4, envp=0xbfad01dc)
    at /home/ana/Debian/kdelibs/kdelibs-3.5.5a.dfsg.1/./kinit/kinit.cpp:1909
#40 0xb7d17ea8 in __libc_start_main () from /lib/tls/libc.so.6
#41 0x0804b911 in _start () at ../sysdeps/i386/elf/start.S:119
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