Reported

March 31, 2023

Issued

April 3, 2023

Package

spin (crates.io)

Type

INFO Unsound

Details

https://github.com/mvdnes/spin-rs/issues/148

Patched

• >=0.9.8

Unaffected

• <0.9.3

Description

Once::try_call_once is unsound if invoked more than once concurrently and any call fails to initialise successfully.