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Rust: Fix capturedCallRead #19185

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Merged
merged 3 commits into from
Apr 2, 2025

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hvitved
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@hvitved hvitved commented Apr 1, 2025

The consistency check phiWithoutTwoPriorRefs revealed that we were creating too many pseudo reads of captured variables at calls. Instead of checking that a call can be reached from some write, in order to be considered relevant, we instead need to check that it is dominated by some write.

@github-actions github-actions bot added the Rust Pull requests that update Rust code label Apr 1, 2025
@hvitved hvitved added the no-change-note-required This PR does not need a change note label Apr 1, 2025
@hvitved hvitved marked this pull request as ready for review April 1, 2025 19:00
@Copilot Copilot AI review requested due to automatic review settings April 1, 2025 19:00
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Copilot wasn't able to review any files in this pull request.

Files not reviewed (5)
  • rust/ql/lib/codeql/rust/dataflow/Ssa.qll: Language not supported
  • rust/ql/lib/codeql/rust/dataflow/internal/SsaImpl.qll: Language not supported
  • rust/ql/test/library-tests/variables/Ssa.expected: Language not supported
  • rust/ql/test/query-tests/security/CWE-089/CONSISTENCY/SsaConsistency.expected: Language not supported
  • shared/ssa/codeql/ssa/Ssa.qll: Language not supported

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@hvitved hvitved requested a review from paldepind April 1, 2025 19:01
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LGTM!

@hvitved hvitved merged commit a01b211 into github:main Apr 2, 2025
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@hvitved hvitved deleted the rust/ssa-capture-psudeo-read-dominate branch April 2, 2025 17:16
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