[Webkit-unassigned] [Bug 49845] XSS Auditor severely affects loading performance after submitting a large form

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49845





--- Comment #7 from Adam Barth <abarth at webkit.org>  2011-01-24 16:49:48 PST ---
The proximate cause is that the CachingURLCanonicalizer isn't sufficiently associative.  Alternating inline event handlers and inline script flips the decodeEntities bit back and forth, causing the cache to thrash.

A short-term fix is to make the cache more associative.  A long-term fix is to move to a new XSS detection architecture, which I've wanted to do for a while...

I'm going to try for the short term fix first.

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