[Webkit-unassigned] [Bug 218022] [iOS] Hang in RemoteLayerTreeDrawingAreaProxy::waitForDidUpdateActivityState leading to crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218022

--- Comment #7 from Ali Juma <ajuma at chromium.org> ---
Created attachment 423330

  --> https://bugs.webkit.org/attachment.cgi?id=423330&action=review

Crash log

We're still getting reports of this, even on 14.5 beta. I've attached a sample crash log.

> One other data point that might be helpful: how many WKWebViews are in-window at this point?

There's always at most one visible WKWebView per window. We can have additional non-visible WKWebViews for background tabs, but looking through the reports, this happens even where there is only a single tab.

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