linux-kernel - Re: [PATCH v5 06/15] rust: add pin-init API core

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <320e4b6f-fbb5-3b4c-1e9d-009d7156239a@ryhl.io>
Date:   Mon, 3 Apr 2023 19:56:18 +0200
From:   Alice Ryhl <alice@...l.io>
To:     Benno Lossin <y86-dev@...tonmail.com>
Cc:     rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        patches@...ts.linux.dev, Andreas Hindborg <a.hindborg@...sung.com>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>
Subject: Re: [PATCH v5 06/15] rust: add pin-init API core

On 4/3/23 17:45, Benno Lossin wrote:
> This API is used to facilitate safe pinned initialization of structs. It
> replaces cumbersome `unsafe` manual initialization with elegant safe macro
> invocations.
> 
> Due to the size of this change it has been split into six commits:
> 1. This commit introducing the basic public interface: traits and
>     functions to represent and create initializers.
> 2. Adds the `#[pin_data]`, `pin_init!`, `try_pin_init!`, `init!` and
>     `try_init!` macros along with their internal types.
> 3. Adds the `InPlaceInit` trait that allows using an initializer to create
>     an object inside of a `Box<T>` and other smart pointers.
> 4. Adds the `PinnedDrop` trait and adds macro support for it in
>     the `#[pin_data]` macro.
> 5. Adds the `stack_pin_init!` macro allowing to pin-initialize a struct on
>     the stack.
> 6. Adds the `Zeroable` trait and `init::zeroed` function to initialize
>     types that have `0x00` in all bytes as a valid bit pattern.
> 
> Co-developed-by: Gary Guo <gary@...yguo.net>
> Signed-off-by: Gary Guo <gary@...yguo.net>
> Signed-off-by: Benno Lossin <y86-dev@...tonmail.com>
> Cc: Andreas Hindborg <a.hindborg@...sung.com>
> Cc: Alice Ryhl <aliceryhl@...gle.com>
> Cc: Wedson Almeida Filho <wedsonaf@...il.com>

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>