On 16 September 2019 18:41:36 GMT-07:00, Linus Torvalds <torva...@linux-foundation.org> wrote: >On Mon, Sep 16, 2019 at 6:24 PM Matthew Garrett <mj...@srcf.ucam.org> >wrote: >> >> Exactly the scenario where you want getrandom() to block, yes. > >It *would* block. Just not forever.
It's already not forever - there's enough running in the background of that system that it'll unblock eventually. >And btw, the whole "generate key at boot when nothing else is going >on" is already broken, so presumably nobody actually does it. If nothing ever did this, why was getrandom() designed in a way to protect against this situation? >See why I'm saying "hypothetical"? You're doing it again. > >> >Then you have to ignore the big warning too. >> >> The big warning that's only printed in dmesg? > >Well, the patch actually made getrandom() return en error too, but you >seem more interested in the hypotheticals than in arguing actualities. If you want to be safe, terminate the process. -- Matthew Garrett | mj...@srcf.ucam.org
