kc3-lang/libxml2/test/HTML/chunked_attr.html
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Hash : 477c7f6a
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Date : 2020-06-28T15:54:23
Fix quadratic runtime in HTML parser Commit eeb99329 removed an important optimization avoiding quadratic runtime when repeatedly scanning the input buffer for terminating characters in the HTML push parser. The related bug is https://bugzilla.gnome.org/show_bug.cgi?id=444994 Make sure that ctxt->checkIndex is always written and store additional parser state in ctxt->inSubset which is unused in the HTML parser. Found by OSS-Fuzz.
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test/HTML/chunked_attr.html
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<html> <!-- This tests internal state tracking of the push parser and assumes a chunk size of 4096 (or a divisor of 4096) and an initial chunk of size 4. Make sure that the first '<' in the attribute value ends up near offset 4100. --> <body> <p> Filler bytes follow: 100 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 200 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 300 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 400 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 500 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 600 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 700 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 800 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 900 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789 1000 123456789 123456789 123456789 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