[Webkit-unassigned] [Bug 209613] New: Unable to present file upload picker after interactively dismissing a previously opened picker

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209613

            Bug ID: 209613
           Summary: Unable to present file upload picker after
                    interactively dismissing a previously opened picker
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: david_quesada at apple.com

- Present a file upload picker for a file <input> on iOS.
- Dismiss the picker by swiping down on it.
- Attempt to open the file picker again.
(Expected: I can open the file picker)
(Actual result: Nothing happens)

Extra credit:
- Cause the web view to be deallocated (e.g. close a browser tab)
(Expected: Nothing interesting happens)
(Actual result: The app crashes due an exception in +[UIViewController _viewControllerForFullScreenPresentationFromView:] because the 'view' parameter nil. This is hit while trying to dismiss the file upload panel, which the WKContentView still thinks is presented.)

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