Checked C: Making C Safe by Extension. Archibald Samuel Elliott, Andrew Ruef, Michael Hicks, and David Tarditi. In Proceedings of the IEEE Conference on Secure Development (SecDev), September 2018.

This paper presents Checked C, an extension to C designed to support spatial safety, implemented in Clang and LLVM. Checked C's design is distinguished by its focus on backward-compatibility, incremental conversion, developer control, and enabling highly performant code. Like past approaches to a safer C, Checked C employs a form of checked pointer whose accesses can be statically or dynamically verified. Performance evaluation on a set of standard benchmark programs shows overheads to be relatively low. More interestingly, Checked C introduces the notions of a checked region and bounds-safe interfaces.

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@inproceedings{elliott18checkedc,
  title = {Checked C: Making C Safe by Extension},
  author = {Archibald Samuel Elliott and Andrew Ruef and Michael Hicks and David Tarditi},
  booktitle = {Proceedings of the IEEE Conference on Secure Development (SecDev)},
  month = sep,
  year = 2018
}

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