Yhn WarTerrorism first seen 1 d ago, last 53 min ago, peak #1

11-year-old unsoundness bugs found in Rust borrow checker

Original: 11 year old unsoundness bugs found in Rust borrow checker

Developers are discussing newly reported unsoundness bugs in Rust's borrow checker that have existed for around 11 years before being identified. The issues are tracked in the Rust compiler repository, and commenters are debating how the bugs survived so long in a type system famed for memory safety guarantees, and what they mean for Rust's safety promises in practice.

Why now: The bugs undermine Rust's core reputation for guaranteeing memory safety, which is central to why many developers adopt the language.

RustRust borrow checkerrust-lang

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Evidence

• 11 year old unsoundness bugs found in Rust borrow checker · formerly_proven · 728

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