[webkit-changes] [WebKit/WebKit] fd3b26: RefCounted should prevent ref()'s that escape the ...

[geoffreygaren]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: fd3b26ee65ebcea01c84a67adec4c5676b12b5e5
      https://github.com/WebKit/WebKit/commit/fd3b26ee65ebcea01c84a67adec4c5676b12b5e5
  Author: Geoffrey Garen <ggaren at apple.com>
  Date:   2024-12-01 (Sun, 01 Dec 2024)

  Changed paths:
    M Source/WTF/wtf/RefCounted.h

  Log Message:
  -----------
  RefCounted should prevent ref()'s that escape the destructor
https://bugs.webkit.org/show_bug.cgi?id=283849
rdar://140727952

Reviewed by Chris Dumez.

A ref that escapes the destructor is a use after free. We already have a debug
ASSERT to help catch and diagnose this mistake in testing. This patch adds a
RELEASE_ASSERT to ensure the safety model at runtime.

* Source/WTF/wtf/RefCounted.h:
(WTF::RefCountedBase::~RefCountedBase):

Canonical link: https://commits.webkit.org/287197@main



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