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Merge pull request #606 from Mortano/union-repr

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Fix memory layout of UnionNode<T> in pool module
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Zeeshan Ali Khan 2025-09-08 13:54:41 +00:00 committed by GitHub
commit ceb3fc06ba
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CHANGELOG.md
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@ -33,6 +33,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
- CI now uses flags specified in `Cargo.toml` for `rustdoc` tests. - CI now uses flags specified in `Cargo.toml` for `rustdoc` tests.
- Fixed clippy lints. - Fixed clippy lints.
- Fixed the memory layout of the internal `UnionNode<T>` type, fixing possible Undefined Behaviour.
### Removed ### Removed

1
src/pool/treiber.rs
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@ -44,6 +44,7 @@ pub trait Node: Sized {
fn next_mut(&mut self) -> &mut AtomicPtr<Self>; fn next_mut(&mut self) -> &mut AtomicPtr<Self>;
} }
#[repr(C)]
pub union UnionNode<T> { pub union UnionNode<T> {
next: ManuallyDrop<AtomicPtr<UnionNode<T>>>, next: ManuallyDrop<AtomicPtr<UnionNode<T>>>,
pub data: ManuallyDrop<T>, pub data: ManuallyDrop<T>,