[Webkit-unassigned] [Bug 18282] WebKit crashes with deeply nested divs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=18282


Keith Kyzivat <kkyzivat at ovi.com> changed:

           What    |Removed                     |Added
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  Attachment #43803|                            |review?
               Flag|                            |




--- Comment #13 from Keith Kyzivat <kkyzivat at ovi.com>  2009-11-24 13:17:22 PST ---
Created an attachment (id=43803)
 --> (https://bugs.webkit.org/attachment.cgi?id=43803)
Patch providing an optional maximum depth cap to the DOM tree, enabled using
--enable-domtree-maxdepth

Attached is the patch I have created to cap the DOM tree when a node is added
(from HTML parse), or appended to (Javascript).
This functionality does not add any memory overhead, however it does add
performance overhead.
Because of this, I have made this an optional feature that must be turned on
using --enable-domtree-maxdepth.
To configure the maximum depth, one changes the MAX_DOM_TREE_DEPTH define in
WebCore/config.h

To more quickly test this on desktop browsers, one should spawn a subshell, and
run ulimit -s 256 (under Linux, under Mac it may be different) before testing
one of the above HTML attachments that reproduce the bug.

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