[Webkit-unassigned] [Bug 40926] New: high and unfreed memory usage on script tag insertion

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=40926

           Summary: high and unfreed memory usage on script tag insertion
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alex at sirensclef.com


I've attached a script that will append and remove a script tag to a div over the course of 10 seconds.

When you run it in Safari 5.0 with the Activity Monitor open, you will observe the memory usage of Safari climb steadily for the 10 seconds the script runs for. Repeat clicks will very quickly drive memory usage up over 1gig.

If you take the same code and run it in Firefox 3.6.3, you will also see the memory usage go up but: 1) by a much much smaller amount 2) over repeat clicks Firefox's memory usage will suddenly drop back down, and will not continue to climb endlessly.

This problem exists also in WebKit nightly (61502).

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