Messages in this thread | | | From | Dan Williams <> | Date | Tue, 30 Jan 2018 12:13:18 -0800 | Subject | Re: [PATCH v5 02/12] array_idx: sanitize speculative array de-references |
| |
[ adding Arjan ]
On Tue, Jan 30, 2018 at 11:38 AM, Linus Torvalds <torvalds@linux-foundation.org> wrote: [..] > Anyway, I do think the patches I've seen so far are ok, and the real > reason I'm writing this email is actually more about future patches: > do we have a good handle on where these array index sanitations will > be needed? > > Also, while array limit checking was obviously the official > "spectre-v1" issue, I do wonder if there are possible other issues > where mispredicted conditional branches can end up leaking > information? > > IOW, is there some work on tooling/analysis/similar? Not asking for > near-term, but more of a "big picture" question.. > > Linus
| |