[webkit-changes] [WebKit/WebKit] 5a55a8: Nullptr crash in WebCore::MathMLElement::isKeyboar...

[pratiksha-99]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 5a55a82ed2271d86c304a5c96fce208c3a072624
      https://github.com/WebKit/WebKit/commit/5a55a82ed2271d86c304a5c96fce208c3a072624
  Author: Pratiksha Choudhury <p_choudhury at apple.com>
  Date:   2025-02-25 (Tue, 25 Feb 2025)

  Changed paths:
    A LayoutTests/mathml/mathml-invalid-frame-crash-expected.txt
    A LayoutTests/mathml/mathml-invalid-frame-crash.html
    M Source/WebCore/mathml/MathMLElement.cpp

  Log Message:
  -----------
  Nullptr crash in WebCore::MathMLElement::isKeyboardFocusable
https://bugs.webkit.org/show_bug.cgi?id=288296
rdar://144405709

Reviewed by Anne van Kesteren and Ryosuke Niwa.

Added a nullptr check for the LocalFrame before focused keyboard events.

* LayoutTests/mathml/mathml-invalid-frame-crash-expected.txt: Added.
* LayoutTests/mathml/mathml-invalid-frame-crash.html: Added.
* Source/WebCore/mathml/MathMLElement.cpp:
(WebCore::MathMLElement::isKeyboardFocusable const):

Canonical link: https://commits.webkit.org/291060@main



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