Data race when sending and receiving after closing a `oneshot` channel

If a tokio::sync::oneshot channel is closed via the oneshot::Receiver::close method, a data race may occur if the oneshot::Sender::send method is called while the corresponding oneshot::Receiver is awaited or calling tryrecv. When these methods are called concurrently on a closed channel, the two...

PT-2021-24284 · Tokio +2 · Tokio +2

Name of the Vulnerable Software and Affected Versions: tokio crate versions 1.8.4 and earlier tokio crate versions 1.9.x through 1.13.x before 1.13.1 Description: An issue in the tokio crate for Rust can cause a data race and memory corruption in certain circumstances involving a closed oneshot...