1.4 crashes in KWriteView::paintEvent --> 0 pointer access

[Falk Brettschneider]

Hi,

This happened during exchanging the window frame decoration style:

0x41108019 in __wait4 () from /lib/libc.so.6
#0  0x41108019 in __wait4 () from /lib/libc.so.6
#1  0x41165718 in __DTOR_END__ () from /lib/libc.so.6
#2  0x4078efb0 in KCrash::defaultCrashHandler (signal=11) at
kcrash.cpp:191
#3  <signal handler called>
#4  0x819faed in TextLine::getString (this=0x0) at kwdoc.cpp:218
                                      ^^^^^^^^^

#5  0x81ae52c in GenHighlight::doHighlight (this=0x8265f30, ctxNum=0, 
    textLine=0x0) at highlight.cpp:1203
#6  0x8195c6f in KWriteView::paintEvent (this=0x8324220, e=0xbfffee84)
    at kwview.cpp:1376
#7  0x40b609be in QWidget::event () from /usr/lib/qt2/lib/libqt.so.2
#8  0x819382d in KWriteView::event (this=0x8324220, e=0xbfffee84)
    at kwview.cpp:418
#9  0x40a8c979 in QApplication::notify () from
/usr/lib/qt2/lib/libqt.so.2
#10 0x4075b376 in KApplication::notify (this=0xbffff0d8,
receiver=0x8324220, 
    event=0xbfffee84) at kapp.cpp:515
#11 0x40a826cf in QWidget::repaint () from /usr/lib/qt2/lib/libqt.so.2
#12 0x40a8d5d8 in QApplication::sendPostedEvents ()
   from /usr/lib/qt2/lib/libqt.so.2
#13 0x40a8d41f in QApplication::sendPostedEvents ()
   from /usr/lib/qt2/lib/libqt.so.2
#14 0x40a4f708 in QApplication::processNextEvent ()
   from /usr/lib/qt2/lib/libqt.so.2
#15 0x40a8ed9f in QApplication::enter_loop () from
/usr/lib/qt2/lib/libqt.so.2

#16 0x40a4f65b in QApplication::exec () from /usr/lib/qt2/lib/libqt.so.2
#17 0x80c7470 in main (argc=1, argv=0xbffff244) at main.cpp:117
#18 0x4109fa8e in __libc_start_main (main=0x80c6f80 <main>, argc=1, 
    argv=0xbffff244, init=0x8067798 <_init>, fini=0x8208e48 <_fini>, 
    rtld_fini=0x4000aa20 <_dl_fini>, stack_end=0xbffff23c)
    at ../sysdeps/generic/libc-start.c:92


Ciao,
F at lk


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