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Merge pull request #607 from JOE1994/0105-basic_dsp_matrix

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basic_dsp_matrix: panic safety issue in `impl TransformContent<S, D> for [S; (2|3|4)]`
This commit is contained in:
Sergey "Shnatsel" Davidoff
2021-01-20 20:22:20 +01:00
committed by GitHub
parent 055fc6c488 edacddcfd6
commit 3e390e41e5
1 changed files with 17 additions and 0 deletions
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```toml
[advisory]
id = "RUSTSEC-0000-0000"
package = "basic_dsp_matrix"
date = "2021-01-10"
url = "https://github.com/liebharc/basic_dsp/issues/47"
categories = ["memory-corruption"]
[versions]
patched = [">= 0.9.2"]
```
# panic safety issue in `impl TransformContent<S, D> for [S; (2|3|4)]`
Affected versions of this crate did not guard against double drop while temporarily duplicating objects' ownership using `ptr::read()`. Upon panic in a user-provided function `conversion`, objects that are copied by `ptr::read()` are dropped twice, leading to memory corruption.
The flaw was corrected in v0.9.2 by using `ManuallyDrop<T>` to enclose objects that are to be temporarily duplicated.