On Tue, Apr 23, 2019 at 01:13:52PM -0700, Kees Cook wrote: > On Mon, Mar 25, 2019 at 6:05 AM Aleksa Sarai <cyphar@xxxxxxxxxx> wrote: > > > > On 2019-03-21, Andy Lutomirski <luto@xxxxxxxxxx> wrote: > > > On Wed, Mar 20, 2019 at 7:38 AM Aleksa Sarai <cyphar@xxxxxxxxxx> wrote: > > > > Now that the holiday break is over, it's time to re-send this patch > > > > series (with a few additions, due to new information we got from > > > > CVE-2019-5736 -- which this patchset mostly protected against but had > > > > some holes with regards to #!-style scripts). > > > > > > I generally like this, but, as Linus pointed out, it will be > > > unfortunate if application authors see this as just another > > > non-portable weird Linux API and don't use it. Would it be worthwhile > > > to put some thought into making it an API that other OSes might be > > > willing to implement? As it stands, the openat(2) flags are getting > > > rather crazy in this patch set. > > I think many of the issues are specific to Linux (and Linux containers > especially), so I'm not sure this should get blocked because we want > something more portable. > > This series provides solutions to so many different race and confusion > issues, I'd really like to see it land. What's the next step here? Is > this planned to go directly to Linus for v5.2, or is it going to live > in -mm for a while? I'd really like to see this moving forward. Yeah, it would be good to move this forward. But since this is pretty much core-vfs we really need Al to take a look at this. Christian