[Webkit-unassigned] [Bug 15715] Nested XSL stylesheets can produce memory corruption

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=15715





------- Comment #4 from eric at webkit.org  2007-10-27 12:29 PDT -------
I think ap and I would be very interested in discussing this with you over IRC.
 We've both hacked on this code, but at least I can't claim to be a libxml2
expert.  What you're "fixing" looks like a potential bug in libxslt/libxml2? 
Correct?  If so, we should definitely also file a bug with gnome and link to
the bug from here (for our records). WebCore generally deals only with UTF16
strings , that's why we we were passing xmlCtxtReadDoc a UTF16 string.  If it's
true xmlCtxtReadDoc only works with UTF8, that's yet another bug with libxml2
(at least in the documentation):
http://xmlsoft.org/html/libxml-parser.html#xmlCtxtReadDoc
which also should be filed and linked to from this bug.

If this is really a memory corruption issue, then it can be marked p1, and
we'll definitely make a fix.  But I'm not comfortable taking this change w/o at
least a test case, and preferably chatting with you a bit over irc. :)  MacDome
or ap in #webkit is the easiest way to reach us.


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