Handle real segfaults in fuzz targets #602
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bertschneider
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[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [@jazzer.js/core](https://togithub.com/CodeIntelligenceTesting/jazzer.js) | [`2.0.0` -> `2.1.0`](https://renovatebot.com/diffs/npm/@jazzer.js%2fcore/2.0.0/2.1.0) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>CodeIntelligenceTesting/jazzer.js (@​jazzer.js/core)</summary> ### [`v2.1.0`](https://togithub.com/CodeIntelligenceTesting/jazzer.js/releases/tag/v2.1.0): Release 2.1.0 [Compare Source](https://togithub.com/CodeIntelligenceTesting/jazzer.js/compare/v2.0.0...v2.1.0) <!-- Release notes generated using configuration in .github/release.yml at main --> #### What's Changed - **Feature**: Jest support: List fuzz test names by [@​zgtm](https://togithub.com/zgtm) in [CodeIntelligenceTesting/jazzer.js#606 - **Feature**: Handle real segfaults in fuzz targets by [@​br-lewis](https://togithub.com/br-lewis) in [CodeIntelligenceTesting/jazzer.js#602 - **Feature**: Provide consistent exit codes by [@​bertschneider](https://togithub.com/bertschneider) in [CodeIntelligenceTesting/jazzer.js#617 - **Bugfix**: Patch coverage of implicit else branches by [@​bertschneider](https://togithub.com/bertschneider) in [CodeIntelligenceTesting/jazzer.js#635 **Full Changelog**: CodeIntelligenceTesting/jazzer.js@v2.0.0...v2.1.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/xmldom/xmldom). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zMS41IiwidXBkYXRlZEluVmVyIjoiMzcuMzEuNSIsInRhcmdldEJyYW5jaCI6Im1hc3RlciJ9--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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karfau
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[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [@jazzer.js/jest-runner](https://togithub.com/CodeIntelligenceTesting/jazzer.js) | [`2.0.0` -> `2.1.0`](https://renovatebot.com/diffs/npm/@jazzer.js%2fjest-runner/2.0.0/2.1.0) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>CodeIntelligenceTesting/jazzer.js (@​jazzer.js/jest-runner)</summary> ### [`v2.1.0`](https://togithub.com/CodeIntelligenceTesting/jazzer.js/releases/tag/v2.1.0): Release 2.1.0 [Compare Source](https://togithub.com/CodeIntelligenceTesting/jazzer.js/compare/v2.0.0...v2.1.0) <!-- Release notes generated using configuration in .github/release.yml at main --> #### What's Changed - **Feature**: Jest support: List fuzz test names by [@​zgtm](https://togithub.com/zgtm) in [CodeIntelligenceTesting/jazzer.js#606 - **Feature**: Handle real segfaults in fuzz targets by [@​br-lewis](https://togithub.com/br-lewis) in [CodeIntelligenceTesting/jazzer.js#602 - **Feature**: Provide consistent exit codes by [@​bertschneider](https://togithub.com/bertschneider) in [CodeIntelligenceTesting/jazzer.js#617 - **Bugfix**: Patch coverage of implicit else branches by [@​bertschneider](https://togithub.com/bertschneider) in [CodeIntelligenceTesting/jazzer.js#635 **Full Changelog**: CodeIntelligenceTesting/jazzer.js@v2.0.0...v2.1.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/xmldom/xmldom). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zMS41IiwidXBkYXRlZEluVmVyIjoiMzcuMzEuNSIsInRhcmdldEJyYW5jaCI6Im1hc3RlciJ9--> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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This adds handling for real segfaults in native code in our fuzz targets. Unfortunately, the only way to do that effectively was to have the C++ code in the fuzzer detect the error, print a message, write the crash file, and quit rather than returning control to JS so the result isn't as nice as a normal error but should be more informative than before.