Lib.rs

› LazyStatic › Reviews

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The current version of LazyStatic is 1.5.0.

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safe-to-deploy (implies safe-to-run)

This crate will not introduce a serious security vulnerability to production software exposed to untrusted input. More…

safe-to-run

This crate can be compiled, run, and tested on a local workstation or in controlled automation without surprising consequences. More…

does-not-implement-crypto (implies crypto-safe)

Inspection reveals that the crate in question does not attempt to implement any cryptographic algorithms on its own.

Note that certification of this does not require an expert on all forms of cryptography: it's expected for crates we import to be "good enough" citizens, so they'll at least be forthcoming if they try to implement something cryptographic. When in doubt, please ask an expert.

crypto-safe
Implied by other criteria

All crypto algorithms in this crate have been reviewed by a relevant expert.

Note: If a crate does not implement crypto, use does-not-implement-crypto, which implies crypto-safe, but does not require expert review in order to audit for.

ub-risk-2 (implies ub-risk-3)

Negligible unsoundness or average soundness.

Full description of the audit criteria can be found at https://github.com/google/rust-crate-audits/blob/main/auditing_standards.md#ub-risk-2

ub-risk-3 (implies ub-risk-4)
Implied by other criteria

Mild unsoundness or suboptimal soundness.

Full description of the audit criteria can be found at https://github.com/google/rust-crate-audits/blob/main/auditing_standards.md#ub-risk-3

ub-risk-4
Implied by other criteria

Extreme unsoundness.

Full description of the audit criteria can be found at https://github.com/google/rust-crate-audits/blob/main/auditing_standards.md#ub-risk-4

unknown

May have been packaged automatically without a review

These reviews are from Crev, a distributed system for code reviews. To add your review, set up cargo-crev.

The current version of LazyStatic is 1.5.0.

1.4.0 (older version) Rating: Positive Thoroughness: High Understanding: High

by MaulingMonkey on 2019-09-03

1.4.0: Read diff, looks fine. 1.3.0: Read all of src, skimmed all of tests. core_lazy.rs looks a little odd, but is 100% safe code - any issues would be in it's core dependency, spin. inline_lazy.rs contains unsafe blocks... look safe, but downgrades rating to merely positive. lib.rs is just safe macros. Tests all pass.

1.4.0 (older version) Rating: Positive Thoroughness: Medium Understanding: High

by HeroicKatora on 2019-08-30

A bit puzzling that the inline implementation does not use UnsafeCell directly but only through Cell. This adds a Sync impl which explicitely can not exist for Cell itself. But the Once is enough to protect against races even though there is no real benefit from using Cell over UnsafeCell.

1.4.0 (older version) Rating: Strong Positive Thoroughness: Medium Understanding: High

by BurntSushi on 2019-08-28

The 1.4.0 release removes the hand-rolled unreachable hint in favor of unreachable_unchecked, which was a new API introduced in Rust 1.27. Otherwise, nothing substantial was changed, other than allowing some deprecated APIs to support older versions of Rust.

1.3.0 (older version) Rating: Positive Thoroughness: Low Understanding: Medium

Approved without comment by git.sr.ht/~icefox on 2019-08-20

1.3.0 (older version) Rating: Positive Thoroughness: High Understanding: High

by MaulingMonkey on 2019-07-23

Show review…

Read all of src, skimmed all of tests. core_lazy.rs looks a little odd, but is 100% safe code - any issues would be in it's core dependency, spin. inline_lazy.rs contains unsafe blocks... look safe, but downgrades rating to merely positive. lib.rs is just safe macros. Tests all pass.

1.3.0 (older version) Rating: Positive Thoroughness: Low Understanding: Medium

by Canop on 2019-06-21

It looks OK... it's a little hard to check all the possible ways such a code could be flawed, though.

1.2.0 (older version) Rating: Strong Positive Thoroughness: Medium Understanding: Medium

Approved without comment by dpc on 2018-12-20

Lib.rs has been able to verify that all files in the crate's tarball, except Cargo.lock, are in the crate's repository with a git tag matching the version. Please note that this check is still in beta, and absence of this confirmation does not mean that the files don't match.

Crates in the crates.io registry are tarball snapshots uploaded by crates' publishers. The registry is not using crates' git repositories, so there is a possibility that published crates have a misleading repository URL, or contain different code from the code in the repository.

To review the actual code of the crate, it's best to use cargo crev open lazy_static. Alternatively, you can download the tarball of lazy_static v1.5.0 or view the source online.