On Tue, May 25, 2021 at 05:14:24PM -0400, Stephen Frost wrote:
> * Bruce Momjian (bruce@momjian.us) wrote:
> > Yes, I can see that happening. I think occasional leakage of hint bit
> > changes to be acceptable. We might decide they are all acceptable.
>
> I don't think that I agree with the idea that this would ultimately only
> leak the hint bits- I'm fairly sure that this would make it relatively
> trivial for an attacker to be able to deduce the contents of the entire
> 8k page. I don't know that we should be willing to accept that as a
> part of regular operation (which we generally view crashes as being). I
> had thought there was something in place to address this though. If
> not, it does seem like there should be.
Uh, can you please explain more? Would the hint bits leak? In another
email you said hint bit leaking was OK.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
If only the physical world exists, free will is an illusion.