viirya commented on issue #9287:
URL: https://github.com/apache/arrow-rs/issues/9287#issuecomment-3809396489
Looks like a valid issue.
Looks like two issues:
1. new_from_buffer() is too permissive - it accepts any MutableBuffer
regardless of the target type's requirements
2. as_slice() assumes guarantees that weren't enforced at construction time
Probably we can:
1. Make new_from_buffer() validate/enforce alignment requirements
2. Make as_slice() check alignment at runtime and handle misaligned cases
safely
3. Mark new_from_buffer() as unsafe and document the alignment precondition
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