[tor-bugs] #9521 [TorBrowserButton]: "new identity" leaks memory in (was: "new identity" leaks memory?)

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#9521: "new identity" leaks memory in
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 Reporter:  arma              |          Owner:  mikeperry
     Type:  defect            |         Status:  new      
 Priority:  normal            |      Milestone:           
Component:  TorBrowserButton  |        Version:           
 Keywords:                    |         Parent:           
   Points:                    |   Actualpoints:           
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Comment(by mikeperry):

 According to skruffy, this is due to the call to
 eventSuppressor.suppressEventHandling() during torbutton_disable_all_js().
 Removing it eliminates the leak. Possibly DOM events are required to unref
 all of the objects in a window?

 Oddly, the leaks still happen if JS is fully disabled, at least via
 NoScript's disabling.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9521#comment:4>
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