Re: [PATCH RFC] perf_event: Add support for LSM and SELinux checks

[James Morris]

On Wed, 9 Oct 2019, Joel Fernandes (Google) wrote:

>  
> +#ifdef CONFIG_SECURITY
> +	err = security_perf_event_alloc(event);
> +	if (err)
> +		goto err_security;
> +#endif

You should not need this ifdef.

> diff --git a/security/security.c b/security/security.c
> index 1bc000f834e2..7639bca1db59 100644
> --- a/security/security.c
> +++ b/security/security.c
> @@ -2373,26 +2373,32 @@ int security_bpf(int cmd, union bpf_attr *attr, unsigned int size)
>  {
>  	return call_int_hook(bpf, 0, cmd, attr, size);
>  }
> +
>  int security_bpf_map(struct bpf_map *map, fmode_t fmode)
>  {
>  	return call_int_hook(bpf_map, 0, map, fmode);
>  }
> +
>  int security_bpf_prog(struct bpf_prog *prog)
>  {
>  	return call_int_hook(bpf_prog, 0, prog);
>  }
> +
>  int security_bpf_map_alloc(struct bpf_map *map)
>  {
>  	return call_int_hook(bpf_map_alloc_security, 0, map);
>  }
> +
>  int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
>  {
>  	return call_int_hook(bpf_prog_alloc_security, 0, aux);
>  }
> +
>  void security_bpf_map_free(struct bpf_map *map)
>  {
>  	call_void_hook(bpf_map_free_security, map);
>  }
> +
>  void security_bpf_prog_free(struct bpf_prog_aux *aux)
>  {
>  	call_void_hook(bpf_prog_free_security, aux);
> @@ -2404,3 +2410,30 @@ int security_locked_down(enum lockdown_reason what)
>  	return call_int_hook(locked_down, 0, what);
>  }
>  EXPORT_SYMBOL(security_locked_down);

Please avoid unrelated whitespace changes.


-- 
James Morris
<jmorris@xxxxxxxxx>