Messages in this thread | | | Date | Fri, 08 May 2015 09:13:03 -0700 | From | Casey Schaufler <> | Subject | Re: [PATCH 0/7 v22] LSM: Multiple concurrent LSMs |
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On 5/8/2015 4:21 AM, Mimi Zohar wrote: > On Thu, 2015-05-07 at 13:36 -0700, Casey Schaufler wrote: >> On 5/7/2015 1:23 PM, Stephen Smalley wrote: >>> On 05/07/2015 04:22 PM, Mimi Zohar wrote: >>>> On Thu, 2015-05-07 at 14:07 -0400, Paul Moore wrote: >>>>> On Thu, May 7, 2015 at 10:47 AM, Casey Schaufler <casey@schaufler-ca.com> wrote: >>>>>> On 5/7/2015 4:37 AM, James Morris wrote: >>>>>>> On Sat, 2 May 2015, Casey Schaufler wrote: >>>>>>> >>>>>>>> Subject: [PATCH 0/7 v22] LSM: Multiple concurrent LSMs >>>>>>> Please add all of the Acked-by etc. from the patch review process. >>>>>> For v21 I had Acks from: >>>>>> >>>>>> John Johansen <john.johansen@canonical.com> >>>>>> Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> >>>>>> Stephen Smalley <sds@tycho.nsa.gov> (after patch 8/7) >>>>>> Kees Cook <keescook@chromium.org> >>>>>> >>>>>> Would you check out v22 and supply (or not) your Acks? >>>>>> >>>>>> Eric, Paul, it would be reassuring if you'd chime in as well. >>>>> Kubernetes has swallowed Eric whole I'm afraid, I don't think you want >>>>> to wait on him to review these patches. >>>>> >>>>> However, it is a bit ridiculous that I haven't had time to seriously >>>>> review these patches yet; I promise to take a look and send my >>>>> comments/ACKs before my head hits the pillow tonight. >>>> Seems to be working with SELinux, EVM and IMA enabled. I haven't tried >>>> enabling an additional LSM. Casey, do you have an additional LSM for >>>> testing? >>> I've tested SELinux+Yama. >> The deepest "stack" you can have today is Capability+Yama+YourChoice. >> You always get Capability, so you really only get to choose if you stack >> Yama with something else. That's not more depth than you had before, but >> the special case coding for Capability and Yama is replaced to the general >> scheme. > Nice cleanup! I assume this will pave the way for other small, builtin > LSMs. :) > > I'm now running with Yama as well. While enabling Yama, I noticed a > very minor issue with security/Kconfig. It permits defining Yama as the > default LSM when it is stacked.
You don't get Yama called twice in that case, which would be the primary concern. I have maintained the existing behavior, I think. The Yama special case stacking will go away when the general LSM list specification mechanism ("yama,apparmor") comes in. That ought to be in the next round.
> > Mimi > > -- > To unsubscribe from this list: send the line "unsubscribe linux-security-module" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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