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RUSTSEC-2020-0070: Some lock_api lock guard objects can cause data races #2513

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github-actions bot opened this issue Nov 9, 2024 · 0 comments
Open

RUSTSEC-2020-0070: Some lock_api lock guard objects can cause data races #2513

github-actions bot opened this issue Nov 9, 2024 · 0 comments

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github-actions bot commented Nov 9, 2024

Some lock_api lock guard objects can cause data races

Details
Status unsound
Package lock_api
Version 0.3.4
URL Amanieu/parking_lot#262
Date 2020-11-08

Affected versions of lock_api had unsound implementations of the Send or
Sync traits for some guard objects, namely:

  • MappedMutexGuard
  • MappedRwLockReadGuard
  • MappedRwLockWriteGuard
  • RwLockReadGuard
  • RwLockWriteGuard

These guards could allow data races through types that are not safe to Send
across thread boundaries in safe Rust code.

This issue was fixed by changing the trait bounds on the Mapped guard types
and removing the Sync trait for the RwLock guards.

See advisory page for additional details.
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