An issue was discovered in the anymap crate through 0.12.1 for Rust. It violates soundness via conversion of a *u8 to a *u64.
https://rustsec.org/advisories/RUSTSEC-2021-0065.html
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/anymap/RUSTSEC-2021-0065.md