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README.md
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# Project
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This is a research prototype of Model-based Relational Fuzzing for Speculative vulnerabilities. The code was written by Oleksii Oleksenko during an internship at Microsoft Research.
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# SCA-Fuzzer
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## Interfaces and Architecture
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This is SCA-Fuzzer, a different kind of fuzzer.
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Instead of finding bugs in programs, SCA-Fuzzer searches for microarchitectural bugs in CPUs.
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What is a bug in a CPU?
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In the context of SCA-Fuzzer, a bug is a violation of out expectations about how the CPU should behave.
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The most prominent examples would be [Spectre] and [Meltdown].
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It could also be a microarchitectural backdoor or an unknown optimization, although we yet to encounter one of those.
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See our ~~[Technical Report]~~ (under construction) for details.
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**Origin**: This is an independently developed and much improved fork of [SCA-Fuzzer from Microsoft][https://github.com/microsoft/sca-fuzzer].
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# Getting Started
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**UNDER CONSTRUCTION**
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# Interfaces and Architecture
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![architecture](Arch.png)
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**THE TEXT BELOW IS UNDER CONSTRUCTION. PROCEED WITH CAUTION**
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## Instruction Set Spec
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This XML file: https://www.uops.info/xml.html originating from Intel XED (https://intelxed.github.io/)
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Received from: `input_gen.generate(...)`
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Passed down to: `model.trace_test_case(inputs)` and `executor.trace_test_case(inputs)`.
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## Contributing
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This project welcomes contributions and suggestions. Most contributions require you to agree to a
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Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us
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the rights to use your contribution. For details, visit https://cla.opensource.microsoft.com.
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When you submit a pull request, a CLA bot will automatically determine whether you need to provide
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a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions
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provided by the bot. You will only need to do this once across all repos using our CLA.
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This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
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For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
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contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
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## Trademarks
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This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft
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trademarks or logos is subject to and must follow
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[Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general).
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Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
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Any use of third-party trademarks or logos are subject to those third-party's policies.
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