[Webkit-unassigned] [Bug 174753] [Mac WK2] Potential null deref in WKView if WebPageProxy callbacks are invalidated in -[WKView dealloc]

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Aug 5 15:21:33 PDT 2017


--- Comment #1 from Wenson Hsieh <wenson_hsieh at apple.com> ---
Interestingly, this isn't normally an issue when closing the page because Safari actually tells the WebPageProxy to close() very early in the teardown process. That's not to say there shouldn't be a mechanism at the WebKit layer, though, to ensure that we don't crash if the WKView is released through some other codepath in Safari that doesn't explicitly close() the page before continuing with teardown.

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