[webkit-dev] crash in gtk port

[zaheer ahmad]

hi,
i observe random crashes in the gtk port when rendering certain pages
(rediff.com, cnn.com etc) and the backtrace points to the following

The platform is a x86-scratchbox.
could someone point me out possible rootcause

thanks,
Zaheer
#0  0xb71a4c88 in WebCore::GlyphWidthMap::widthForGlyph () at HashTable.h:294
#1  0xb71acf45 in WebCore::FontData::widthForGlyph () at IntSize.h:57
#2  0xb71aa71e in WebCore::WidthIterator::advance (this=0xbfb0a4e0,
offset=1, glyphBuffer=0x0)
    at ../../../WebCore/platform/Font.cpp:170
#3  0xb71ab002 in WebCore::Font::floatWidthForSimpleText (this=0x38,
run=@0xbfb0a618, style=@0x38, glyphBuffer=0x38)
    at Font.h:67
#4  0xb71ab05f in WebCore::Font::floatWidth (this=0x879c80c,
run=@0xbfb0a618, style=@0xbfb0a620)
    at ../../../WebCore/platform/Font.cpp:698
#5  0xb71ab0bb in WebCore::Font::width (this=0x38, run=@0x38,
style=@0x38) at ../../../WebCore/platform/Font.cpp:518
#