Re: [PATCH 2/7] Overlayfs: Use copy-up security hooks

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Paul Moore <paul@xxxxxxxxxxxxxx> wrote:

> So the LSM must modify the xattr in place?  I suppose that since the @value
> is allocated to the max size it shouldn't be a problem.  Just checking ...

... And the caller must provide a maximally sized buffer (which it likely has
to allocate anyway).

I'm not sure I really need to provide the modification thing.  I suspect a
binary keep or discard decision is sufficient.

David
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