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Date:   Fri, 14 Aug 2020 19:07:13 +0200
From:   peter enderborg <>
To:     Stephen Smalley <>,
        ThiƩbaud Weksteen <>
CC:     Paul Moore <>, Nick Kralevich <>,
        Joel Fernandes <>,
        Eric Paris <>,
        Steven Rostedt <>,
        Ingo Molnar <>,
        Mauro Carvalho Chehab <>,
        "David S. Miller" <>,
        Rob Herring <>, Arnd Bergmann <>,
        linux-kernel <>,
        SElinux list <>
Subject: Re: [PATCH v2 1/2] selinux: add tracepoint on denials

On 8/14/20 6:51 PM, Stephen Smalley wrote:
> On Fri, Aug 14, 2020 at 9:05 AM ThiƩbaud Weksteen <> wrote:
>> On Thu, Aug 13, 2020 at 5:41 PM Stephen Smalley
>> <> wrote:
>>> An explanation here of how one might go about decoding audited and
>>> tclass would be helpful to users (even better would be a script to do it
>>> for them).  Again, I know how to do that but not everyone using
>>> perf/ftrace will.
>> What about something along those lines:
>> The tclass value can be mapped to a class by searching
>> security/selinux/flask.h. The audited value is a bit field of the
>> permissions described in security/selinux/av_permissions.h for the
>> corresponding class.
> Sure, I guess that works.  Would be nice if we just included the class
> and permission name(s) in the event itself but I guess you viewed that
> as too heavyweight?

The class name is added in part 2. Im not sure how a proper format for permission
would look like in trace terms. It is a list, right?

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