i32 overflow when determining SVD result size
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 44/100
Research direction
Start at lax/src/svddc.rs lines 44-49 and reproduce the linked Rust Playground example. Inspect the other vec_uninit call sites mentioned in the issue for the same size calculation risk. Done means the affected calls handle products above i32::MAX without producing an unintended larger allocation.
Written by the indexing model from the issue text.
Description
The code linked below can overflow when any of the products is above i32::MAX, potentially leading to a much larger memory allocation than intended (example). There are a few other instances in other calls to vec_uninit
https://github.com/rust-ndarray/ndarray-linalg/blob/master/lax/src/svddc.rs#L44-L49
- Dominant language
- Rust
- Stars
- 452
- Forks
- 95
- PR merge metrics
- No merged PRs in 30d
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