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by tom_
814 days ago
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The original less-than check was deemed incorrect, and was replaced entirely. For good or for ill, it seems the author deems it valid to pass in a value smaller than sizeof *hwrpb, and that many bytes will be dutifully copied. This might form part of some barebones API versioning mechanism. |
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It was only deemed incorrect because of an information leak. Not because it's a valid use-case for user space to copy smaller portions of *hwrpb into user space. https://github.com/torvalds/linux/commit/21c5977a836e399fc71...