[Webkit-unassigned] [Bug 163276] New: polygonPathFromPoints calls uncheckedAppend, but assertion size() < capacity() fails

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=163276

            Bug ID: 163276
           Summary: polygonPathFromPoints calls uncheckedAppend, but
                    assertion size() < capacity() fails
    Classification: Unclassified
           Product: WebKit
           Version: Safari 10
          Hardware: Macintosh
                OS: macOS 10.12
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: WebCore JavaScript
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: metalalisa at aks-studio.com

Created attachment 291250
  --> https://bugs.webkit.org/attachment.cgi?id=291250&action=review
Screenshot with trace

Path::polygonPathFromPoints calls Vector::uncheckedAppend, but assertion size() < capacity() fails

I can send reproducing steps as a private message.

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