On Fri, 16 Mar 2018 05:00:28 -0400
Richard Guy Briggs <r...@redhat.com> wrote:

> Implement the proc fs write to set the audit container ID of a process,
> emitting an AUDIT_CONTAINER record to document the event.

A little detail, but still...

> +static int audit_set_containerid_perm(struct task_struct *task, u64 
> containerid)
> +{
> +     struct task_struct *parent;
> +     u64 pcontainerid, ccontainerid;
> +
> +     /* Don't allow to set our own containerid */
> +     if (current == task)
> +             return -EPERM;
> +     /* Don't allow the containerid to be unset */
> +     if (!cid_valid(containerid))
> +             return -EINVAL;

I went looking for cid_valid(), but it turns out you don't add it until
patch 5.  That, I expect, will not be good for bisectability (or patch
review).

Thanks,

jon

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