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    SubjectRe: WARNING in apparmor_secid_to_secctx
    On Thu, Sep 6, 2018 at 12:59 PM, Dmitry Vyukov <dvyukov@google.com> wrote:
    > On Wed, Sep 5, 2018 at 7:37 PM, Casey Schaufler <casey@schaufler-ca.com> wrote:
    >> On 9/5/2018 4:08 AM, Dmitry Vyukov wrote:
    >>> Thanks! I've re-enabled selinux on syzbot:
    >>> https://github.com/google/syzkaller/commit/196410e4f5665d4d2bf6c818d06f1c8d03cfa8cc
    >>> Now we will have instances with apparmor and with selinux.
    >>
    >> Any chance we could get a Smack instance as well?
    >
    > Hi Casey,
    >
    > Sure!
    > Provided you want to fix bugs ;)
    > I've setup an instance with smack enabled:
    > https://github.com/google/syzkaller/commit/0bb7a7eb8e0958c6fbe2d69615b9fae4af88c8ee


    But just doing default things does not seem to find much. I guess
    common paths through the hooks are well exercised already.
    So perhaps if we do more non-trivial things, it can find more stuff.
    But what are they? Adding/changing/removing xattr's? Which? What are
    the values? Changing security contexts? How? What else?
    selinux has own filesystem and we should touch some files there:
    https://github.com/google/syzkaller/blob/master/sys/linux/selinux.txt
    But we don't anything similar for other modules.

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