what are the guarantees about what happens if a computer crashes during a write()? is it possible for the file to end up with corrupted data at the end, or is each byte of the write atomic?
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i told you about how macOS's hardware video decode driver used to allocate vmem for frames without zeroing it, right?
I'd say "nice", but really, this is the kind of crap I expect in, like, every proprietary GPU driver for everything. Performance!!!!!ʷʰᵃᵗ ᶦˢ ᵗʰᵃᵗ ˢᵉᶜᵘʳᶦᵗʸ ᵗʰᶦⁿᵍ ʸᵒᵘ ˢᵃʸ?
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i mean, when i reported it they fixed it pretty quickly, i think they just didn't realize that the decoder might not fill in the entire image you could get that to happen with some corrupted streams, but my favorite trick was just having the stream res < the container res
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I once did, in fact, trace down cross-security domain unwritten sector leakage (that actually made it through *without* deliberate malicious recovery efforts and broke things) at a certain WebCo that liked to turn off ext3 journaling. My final diagnosis was working as designed...
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