[webkit-changes] [WebKit/WebKit] 675df5: Fix infinite loop and OOB read after 288202 at main

[Alex Christensen]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 675df538a038d8220120577fd9d0717772848fe3
      https://github.com/WebKit/WebKit/commit/675df538a038d8220120577fd9d0717772848fe3
  Author: Alex Christensen <achristensen at apple.com>
  Date:   2024-12-20 (Fri, 20 Dec 2024)

  Changed paths:
    M Source/WebCore/layout/formattingContexts/inline/text/TextUtil.cpp

  Log Message:
  -----------
  Fix infinite loop and OOB read after 288202 at main
https://bugs.webkit.org/show_bug.cgi?id=285053
rdar://141854013

Reviewed by Vitor Roriz.

A size_t is always greater than or equal to zero.  The loop didn't have proper exit criteria.

* Source/WebCore/layout/formattingContexts/inline/text/TextUtil.cpp:
(WebCore::Layout::TextUtil::lastBaseCharacterFromText):

Canonical link: https://commits.webkit.org/288203@main



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