[webkit-changes] [WebKit/WebKit] 73f6c6: Do not allow container units in DOMMatrix() and DO...

[Tim Nguyen]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 73f6c6d69991fded4847d7d8fdf9153859f3189d
      https://github.com/WebKit/WebKit/commit/73f6c6d69991fded4847d7d8fdf9153859f3189d
  Author: Tim Nguyen <ntim at apple.com>
  Date:   2023-08-31 (Thu, 31 Aug 2023)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001.html
    M Source/WebCore/css/CSSPrimitiveValueMappings.h

  Log Message:
  -----------
  Do not allow container units in DOMMatrix() and DOMMatrixReadOnly()
https://bugs.webkit.org/show_bug.cgi?id=260988
rdar://114759860

Reviewed by Simon Fraser.

Prevent a nullptr deref by forbidding container unit usage in DOMMatrix().

* LayoutTests/imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/geometry/DOMMatrix-001.html:
* Source/WebCore/css/CSSPrimitiveValueMappings.h:
(WebCore::CSSPrimitiveValue::convertingToLengthHasRequiredConversionData const):

Canonical link: https://commits.webkit.org/267529@main