[Webkit-unassigned] [Bug 171655] New: FileReader.readAsArrayBuffer() - Reading large files causes memory leak

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171655

            Bug ID: 171655
           Summary: FileReader.readAsArrayBuffer() - Reading large files
                    causes memory leak
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jaffathecake at gmail.com
                CC: cdumez at apple.com

http://jsbin.com/cekequd/quiet. Give the top input a large file & watch the console.

Firefox completes in ~500ms for a 900mb file, whereas Safari chugs along then crashes.

Notably, Firefox doesn't offer result in progress events, which may be related.

This may involve a change to the spec https://github.com/w3c/FileAPI/issues/79.

This appears to be the same as Chrome bug https://bugs.chromium.org/p/chromium/issues/detail?id=674903

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