[Webkit-unassigned] [Bug 76977] New: Check if inner node is null in order to avoid crash.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76977

           Summary: Check if inner node is null in order to avoid crash.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: gyuyoung.kim at samsung.com


It is missing to check if inner node is null in touch event handler of event handler. It may cause crash when page is loading. Especially, inner node can be null on slow wireless network. In addition, we should check if inner node is null by default when we get an inner node from HitTestResult.

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