Re: [PATCH v4 2/4] bpf-lsm: Make bpf_lsm_userns_create() sleepable

From: Paul Moore
Date: Mon Aug 01 2022 - 19:06:25 EST


On Mon, Aug 1, 2022 at 7:00 PM Alexei Starovoitov
<alexei.starovoitov@xxxxxxxxx> wrote:
>
> On Mon, Aug 01, 2022 at 01:01:44PM -0500, Frederick Lawler wrote:
> > Users may want to audit calls to security_create_user_ns() and access
> > user space memory. Also create_user_ns() runs without
> > pagefault_disabled(). Therefore, make bpf_lsm_userns_create() sleepable
> > for mandatory access control policies.
> >
> > Signed-off-by: Frederick Lawler <fred@xxxxxxxxxxxxxx>
> > Acked-by: Christian Brauner (Microsoft) <brauner@xxxxxxxxxx>
>
> We can take this set through bpf-next tree if it's easier.

Thanks Alexei, but I'm currently planning to merge it into the LSM
next branch once the merge window closes.

> Or if it goes through other trees:
> Acked-by: Alexei Starovoitov <ast@xxxxxxxxxx>

I appreciate the review/ACK, would you mind reviewing the tests too (patch 3/4)?

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