[PATCH V3 2/2] IMA: Support using new creds in appraisal policy
zohar at linux.vnet.ibm.com
Mon Dec 18 15:39:21 UTC 2017
On Fri, 2017-12-15 at 14:35 -0800, Matthew Garrett wrote:
> On Fri, Dec 15, 2017 at 2:24 PM, Matthew Garrett <mjg59 at google.com> wrote:
> > Hm, sorry, missed this mail.
I was kind of wondering what happened...
> > On Tue, Nov 28, 2017 at 2:33 PM, Mimi Zohar <zohar at linux.vnet.ibm.com> wrote:
> >> On Tue, 2017-11-28 at 13:37 -0800, Matthew Garrett wrote:
> >>> security_task_getsecid(current) will give the same results as
> >>> security_cred_getsecid(current_creds())
> >> Unwinding security_task_getsecid(current) looks like it is using
> >> real_cred, while current_cred() is using cred.
> > Good question, and there's a current_real_cred() macro, so I should
> > just use that instead.
> Hm. Actually, I'm not sure. For most checks we were using cred, and
> only using real_cred for the secid lookup. This feels somewhat
Even if it is a one line change, it shouldn't be hidden like this.
Please make it a separate patch, with the reason for the change. We
need to make sure this change doesn't break existing systems.
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