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The coreutils Rust rewrite story
(infosec.exchange)
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this post was submitted on 04 May 2026
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Programming
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Tbh while DST (or just "testing" as hardware people would call it) is very obviously a great idea, I'm not sure it would have helped here - in order to detect these TOCTOU bugs you would need stimulus that triggers it and some kind of checker/model that has the correct behaviour.
That's totally possible but it's pretty hardcore testing for a software project and it's difficult to imagine doing that without realising that you have a TOCTOU issue just by inspection.