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From: Kees Cook <keescook@chromium.org>
To: Brendan Higgins <brendanhiggins@google.com>
Cc: "Theodore Y. Ts'o" <tytso@mit.edu>, shuah <shuah@kernel.org>,
	John Johansen <john.johansen@canonical.com>,
	jmorris@namei.org, serge@hallyn.com,
	Alan Maguire <alan.maguire@oracle.com>,
	Iurii Zaikin <yzaikin@google.com>,
	David Gow <davidgow@google.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-security-module@vger.kernel.org,
	KUnit Development <kunit-dev@googlegroups.com>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	Mike Salvatore <mike.salvatore@canonical.com>
Subject: Re: [PATCH linux-kselftest/test v1] apparmor: add AppArmor KUnit tests for policy unpack
Date: Wed, 30 Oct 2019 12:02:27 -0700	[thread overview]
Message-ID: <201910301201.404F0E3BB@keescook> (raw)
In-Reply-To: <CAFd5g45LmnbD7L4LqdbfBV5YR377e81m61+z==RKCGjWBFqDGQ@mail.gmail.com>

On Fri, Oct 18, 2019 at 02:41:38PM -0700, Brendan Higgins wrote:
> On Fri, Oct 18, 2019 at 9:25 AM Theodore Y. Ts'o <tytso@mit.edu> wrote:
> >
> > On Thu, Oct 17, 2019 at 05:43:07PM -0700, Brendan Higgins wrote:
> > > > +config SECURITY_APPARMOR_TEST
> > > > +   bool "Build KUnit tests for policy_unpack.c"
> > > > +   default n
> > > > +   depends on KUNIT && SECURITY_APPARMOR
> > >
> > > Ted, here is an example where doing select on direct dependencies is
> > > tricky because SECURITY_APPARMOR has a number of indirect dependencies.
> >
> > Well, that could be solved by adding a select on all of the indirect
> > dependencies.  I did get your point about the fact that we could have
> 
> In this particular case that would work.
> 
> > cases where the indirect dependencies might conflict with one another.
> > That's going to be a tough situation regardless of whether we have a
> > sat-solver or a human who has to struggle with that situation.
> 
> But yeah, that's the real problem.

I think at this stage we want to make it _possible_ to write tests
sanely without causing all kinds of headaches. I think "build all the
tests" can just be a function of "allmodconfig" and leave it at that
until we have cases we really need to deal with.

-- 
Kees Cook

  reply	other threads:[~2019-10-30 19:02 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18  0:18 Brendan Higgins
2019-10-18  0:33 ` Iurii Zaikin
2019-10-30 18:59   ` Kees Cook
2019-11-06  0:35     ` Brendan Higgins
2019-11-06  0:37       ` Brendan Higgins
2019-10-18  0:43 ` Brendan Higgins
2019-10-18 16:25   ` Theodore Y. Ts'o
2019-10-18 21:41     ` Brendan Higgins
2019-10-30 19:02       ` Kees Cook [this message]
2019-10-31  9:01         ` Brendan Higgins
2019-10-18 12:29 ` Luis Chamberlain
2019-10-19 12:56   ` Alan Maguire
2019-10-19 18:36     ` Luis Chamberlain
2019-10-24  0:42     ` Brendan Higgins
2019-10-24 10:15       ` Luis Chamberlain
2019-10-30 19:09         ` Kees Cook
2019-10-30 20:11           ` Iurii Zaikin
2019-10-31  1:40             ` John Johansen
2019-10-31  9:33             ` Brendan Higgins
2019-10-31 18:40               ` Kees Cook
2019-11-05 16:43               ` Mike Salvatore
2019-11-05 23:59                 ` Brendan Higgins
2019-10-31  1:37           ` John Johansen
2019-10-31  9:17           ` Brendan Higgins
2019-11-01 12:30             ` Alan Maguire
2019-11-05 23:44               ` Brendan Higgins

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