Greetings, * Bruce Momjian (br...@momjian.us) wrote: > On Tue, May 25, 2021 at 05:14:24PM -0400, Stephen Frost wrote: > > * Bruce Momjian (br...@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.
See my recent email, think I clarified it well over there. Thanks, Stephen
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