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Rust: Handle Deref trait in type inference and data flow #20987

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Rust: Model implicit `Deref` trait calls in data flow

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Rust: Handle Deref trait in type inference and data flow #20987

Rust: Model implicit `Deref` trait calls in data flow
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GitHub Advanced Security / CodeQL completed Dec 19, 2025 in 8s

5 configurations not found

Warning: Code scanning may not have found all the alerts introduced by this pull request, because 5 configurations present on refs/heads/main were not found:

Actions workflow (csv-coverage-metrics.yml)

  • ❓  .github/workflows/csv-coverage-metrics.yml:publish-csharp
  • ❓  .github/workflows/csv-coverage-metrics.yml:publish-java

Actions workflow (codeql-analysis.yml)

  • ❓  .github/workflows/codeql-analysis.yml:CodeQL-Build/language:actions
  • ❓  .github/workflows/codeql-analysis.yml:CodeQL-Build/language:csharp

Actions workflow (cpp-swift-analysis.yml)

  • ❓  .github/workflows/cpp-swift-analysis.yml:CodeQL-Build

New alerts in code changed by this pull request

  • 4 warnings

See annotations below for details.

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Annotations

Check warning on line 86 in rust/ql/lib/codeql/rust/dataflow/internal/DataFlowImpl.qll

See this annotation in the file changed.

Code scanning / CodeQL

Omittable 'exists' variable Warning

This exists variable can be omitted by using a don't-care expression
in this argument
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Check warning on line 306 in rust/ql/lib/codeql/rust/dataflow/internal/Node.qll

See this annotation in the file changed.

Code scanning / CodeQL

Dead code Warning

This code is never used, and it's not publicly exported.

Check warning on line 1607 in rust/ql/lib/codeql/rust/internal/TypeInference.qll

See this annotation in the file changed.

Code scanning / CodeQL

Missing QLDoc for parameter Warning

The QLDoc has no documentation for borrow, or derefChain, or path, but the QLDoc mentions unknown

Check warning on line 2617 in rust/ql/lib/codeql/rust/internal/TypeInference.qll

See this annotation in the file changed.

Code scanning / CodeQL

Omittable 'exists' variable Warning

This exists variable can be omitted by using a don't-care expression
in this argument
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