⇒ A Measurement Study on the Adoption of Pledges and Unveils in the OpenBSD Operating System

The paper presents a longitudinal measurement study on the adoption of the pledge and unveil system calls in OpenBSD. These system calls are used to sandbox programs and libraries. Given a dataset covering 19 releases, many programs and libraries were modified to use the system calls already before their introductions in official releases.

• https://arxiv.org/abs/2607.03056
• https://arxiv.org/pdf/2607.03056