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chore: propagate sanitizer flags from rust toolchain invokation to native builds - #134
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uklotzde merged 4 commits intoOct 20, 2026
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… is specified for the rust build
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🟡 Changes recommended
Register the sanitizer environment variable for Cargo reruns to ensure native artifacts rebuild correctly.
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What changed in this PR
Adds AddressSanitizer flag propagation from Rust builds to bundled C libraries.
Changes:
- Applies sanitizer flags to CMake and
ccbuilds. - Documents ASAN usage and compiler compatibility.
- Records the feature in the changelog.
| File | Description |
|---|---|
README.md |
Adds ASAN usage instructions. |
CHANGELOG.md |
Records sanitizer support. |
build.rs |
Propagates sanitizer flags to native builds. |
Review effort: Lite
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Please also fix the formatting issues. |
sgoll
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Oct 20, 2026
Co-authored-by: Sebastian Goll <1277035+sgoll@users.noreply.github.com>
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Oct 20, 2026
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Thank you for working on this 👍
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The
CARGO_CFG_SANITIZERenvironment variable is set when-Zsanitizer=addressis set inRUSTFLAGS. Properly setting the sanitizer flags for the C builds enables cross-language-boundary detection of use-after-frees, and will enable more comprehensive detection of invalid memory operations when consumers enable ASAN in their code.see HMIProject/open62541#355 & HMIProject/open62541#359 for context.