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Rust: Include taint steps when generating flow models #21575

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hvitved merged 1 commit into from
Mar 25, 2026
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Rust: Include taint steps when generating flow models #21575

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5 changes: 4 additions & 1 deletion rust/ql/src/utils/modelgenerator/internal/CaptureModels.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,10 @@ private module SummaryModelGeneratorInput implements SummaryModelGeneratorInputS

Parameter asParameter(NodeExtended node) { result = node.asParameter() }

predicate isAdditionalContentFlowStep(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) { none() }
predicate isAdditionalContentFlowStep(DataFlow::Node nodeFrom, DataFlow::Node nodeTo) {
RustTaintTracking::defaultAdditionalTaintStep(nodeFrom, nodeTo, _) and
not RustDataFlow::readStep(nodeFrom, _, nodeTo)
}

predicate isField(DataFlow::ContentSet c) {
c.(SingletonContentSet).getContent() instanceof FieldContent
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