Re: [xml] Caracter (0x0b) makes libxml do an infinite loop.

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From: Daniel Veillard (Daniel.Veillard@w3.org)
Date: Tue Oct 31 2000 - 07:58:26 EST

On Mon, Oct 30, 2000 at 04:52:44PM -0500, Marc Sanfacon wrote:
> Hi there,
> when parsing a html file from the net, libxml entered an infinite
> loop. After tracking down the problem, it seemed that it didn't like the
> 0x0B caracter in a script definition. I managed to reproduce the bug in a
> small test, that is attached.
>
> I also fixed it by modifying parserInternals.h at line: 41
>
> #define IS_CHAR(c) \
> (((c) == 0x09) || ((c) == 0x0A) || ((c) == 0x0B) || ((c) == 0x0D) ||
> \
> (((c) >= 0x20) && ((c) <= 0xD7FF)) || \
> (((c) >= 0xE000) && ((c) <= 0xFFFD)) || \
> (((c) >= 0x10000) && ((c) <= 0x10FFFF)))
>
> I added 0x0B as a CHAR. Still can't figure what is this caracter though.
> May be it should simply be ignored.

  yep accepting 0xB would break XML compatibility. The enclosed patch
reports the error and skip the offending char. This bug was fairly
specific to the new script/style handling.

Daniel 

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