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Merge pull request #815 from JOE1994/0109-arenavec
arenavec: potential double drop or uninitialized memory drop upon panic
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crates/arenavec/RUSTSEC-0000-0000.md
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crates/arenavec/RUSTSEC-0000-0000.md
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```toml
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[advisory]
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id = "RUSTSEC-0000-0000"
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package = "arenavec"
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date = "2021-01-12"
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url = "https://github.com/ibabushkin/arenavec/issues/1"
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categories = ["memory-corruption"]
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[versions]
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patched = []
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```
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# panic safety: double drop or uninitialized drop of T upon panic
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Affected versions of this crate did not guard against potential panics that may happen from user-provided functions `T::default()` and `T::drop()`.
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Panic within `T::default()` leads to dropping uninitialized `T`, when it is invoked from `common::Slice::<T, H>::new()`.
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Panic within `T::drop()` leads to double drop of `T`, when it is invoked either from `common::SliceVec::<T, H>::resize_with()` or `common::SliceVec::<T, H>::resize()`
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Either case causes memory corruption in the heap memory.
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