2023
DOI: 10.48550/arxiv.2302.06819
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L4 Pointer: An efficient pointer extension for spatial memory safety support without hardware extension

Abstract: Since buffer overflow has long been a frequently occurring, high-risk vulnerability, various methods have been developed to support spatial memory safety and prevent buffer overflow. However, every proposed method, although effective in part, has its limitations. Due to expensive boundchecking or large memory intaking for metadata, the softwareonly support for spatial memory safety inherently entails runtime overhead. Contrastingly, hardware-assisted methods are not available without specific hardware assistan… Show more

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