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Merge pull request #584 from setuid0x0/hashconsing

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Add advisory for data race in hashconsing
This commit is contained in:
Sergey "Shnatsel" Davidoff
2021-01-20 20:26:36 +01:00
committed by GitHub
parent a460cded8f a68e26e31b
commit 47c5a6ffd9
1 changed files with 17 additions and 0 deletions
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crates/hashconsing/RUSTSEC-0000-0000.md Normal file
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```toml
[advisory]
id = "RUSTSEC-0000-0000"
package = "hashconsing"
date = "2020-11-10"
url = "https://github.com/AdrienChampion/hashconsing/issues/1"
categories = ["memory-corruption"]
keywords = ["concurrency"]
[versions]
patched = [">= 1.1.0"]
```
# hashconsing's HConsed lacks Send/Sync bound for its Send/Sync trait.
Affected versions of `hashconsing` implements `Send`/`Sync` for its `HConsed` type without restricting it to `Send`able types and `Sync`able types.
This allows non-`Sync` types such as `Cell` to be shared across threads leading to undefined behavior and memory corruption in concurrent programs.