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SubjectRe: [PATCH bpf-next v8 0/8] MAC and Audit policy using eBPF (KRSI)
On Sat, Mar 28, 2020 at 10:50 PM Kees Cook <> wrote:
> On Sat, Mar 28, 2020 at 08:56:36PM +0100, KP Singh wrote:
> > Since the attachment succeeds and the hook does not get called, it
> > seems like "bpf" LSM is not being initialized and the hook, although
> > present, does not get called.
> >
> > This indicates that "bpf" is not in CONFIG_LSM. It should, however, be
> > there by default as we added it to default value of CONFIG_LSM and
> > also for other DEFAULT_SECURITY_* options.
> >
> > Let me know if that's the case and it fixes it.
> Is the selftest expected to at least fail cleanly (i.e. not segfault)

I am not sure where the crash comes from, it does not look like it's test_lsm,
it seems to happen in test_overhead. Both seem to run fine for me.

- KP

> when the BPF LSF is not built into the kernel?
> --
> Kees Cook

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