Re: [RFC PATCH v7 04/16] ipe: add userspace interface

[Deven Bowers]

On 11/3/2021 2:42 AM, Roberto Sassu wrote:
> > +
> > +/**
> > + * ipe_init_securityfs: Initialize IPE's securityfs tree at fsinit
> > + *
> > + * Return:
> > + * !0 - Error
> > + * 0 - OK
> > + */
> > +static int __init ipe_init_securityfs(void)
> > +{
> > +	int rc = 0;
> > +	struct ipe_context *ctx = NULL;
> > +
> > +	ctx = ipe_current_ctx();
> Hi Deven
>
> the instruction above should be executed only if IPE LSM is
> enabled. Otherwise, the kernel panics due to the illegal access
> to the security blob of the task.

I see. I mistakenly assumed that failure in the LSM init would cause
a kernel panic (as the system is now booting without a potentially
required security component) as opposed to just disabling the LSM
and emitting a warning.

Easy fix for v8.

Thanks for pointing it out.