[pull] master from ruby:master#1095
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safe_load resolved !ruby/encoding directly via ::Encoding.find, bypassing the permitted_classes check that !ruby/object:Encoding already honors. Load it through the class loader so Encoding is only deserialized when permitted. ruby/psych@f2e4b9d365 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
!ruby/hash-with-ivars, !ruby/hash and !map are only emitted for Hash subclasses, but the loader allocated whatever class the tag named and populated its ivars directly. That let a permitted non-Hash class be instantiated with attacker-chosen ivars, bypassing its init_with validation. Verify the resolved class is a Hash subclass before use. ruby/psych@b08a71012e Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
!ruby/array, !seq and !ruby/string carry the same exposure just fixed for the hash tags: the loader allocated the named class and replaced its contents without checking the class was actually an Array or String subclass. Apply the same subclass check so a permitted unrelated class can no longer be allocated and populated through these tags. ruby/psych@73f0131b13 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Bumps the github-actions group with 2 updates in the / directory: [ruby/setup-ruby](https://github.com/ruby/setup-ruby) and [taiki-e/install-action](https://github.com/taiki-e/install-action). Updates `ruby/setup-ruby` from 1.310.0 to 1.312.0 - [Release notes](https://github.com/ruby/setup-ruby/releases) - [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb) - [Commits](ruby/setup-ruby@afeafc3...12fd324) Updates `taiki-e/install-action` from 2.81.5 to 2.81.8 - [Release notes](https://github.com/taiki-e/install-action/releases) - [Changelog](https://github.com/taiki-e/install-action/blob/main/CHANGELOG.md) - [Commits](taiki-e/install-action@4bc351f...0631aa6) --- updated-dependencies: - dependency-name: ruby/setup-ruby dependency-version: 1.312.0 dependency-type: direct:production update-type: version-update:semver-minor dependency-group: github-actions - dependency-name: taiki-e/install-action dependency-version: 2.81.8 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: github-actions ... Signed-off-by: dependabot[bot] <support@github.com>
MMTk reserves a large amount of memory, which can cause the memory maps to take a long time to generate and thus cause test timeouts.
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