[Webkit-unassigned] [Bug 134617] New: AX: iOS: Crash accessing m_page in WKAccessibilityPageObject

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=134617

           Summary: AX: iOS: Crash accessing m_page in
                    WKAccessibilityPageObject
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cfleizach at apple.com
                CC: webkit-bug-importer at group.apple.com


Looks like the page has gone away, but the WKAXPageObject hangs around just long enough to access an bad delegate

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   WebKit                            0x000000018a42de14 WebKit::WebPage::accessibilityScreenToRootView(WebCore::IntPoint const&) + 36
1   WebKit                            0x000000018a40a714 -[WKAccessibilityWebPageObject accessibilityHitTest:] + 72
2   WebKit                            0x000000018a40a714 -[WKAccessibilityWebPageObject accessibilityHitTest:] + 72

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