Re: [PATCH v4 8/9] bpf: use new capable_any functionality

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On Thu, May 11, 2023 at 7:26 AM Christian Göttsche
<cgzones@xxxxxxxxxxxxxx> wrote:
>
> Use the new added capable_any function in appropriate cases, where a
> task is required to have any of two capabilities.
>
> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
> ---
> v3:
>    rename to capable_any()
> ---
>  kernel/bpf/syscall.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>


> diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
> index 14f39c1e573e..1bd50da05a22 100644
> --- a/kernel/bpf/syscall.c
> +++ b/kernel/bpf/syscall.c
> @@ -2539,7 +2539,7 @@ static int bpf_prog_load(union bpf_attr *attr, bpfptr_t uattr, u32 uattr_size)
>             !bpf_capable())
>                 return -EPERM;
>
> -       if (is_net_admin_prog_type(type) && !capable(CAP_NET_ADMIN) && !capable(CAP_SYS_ADMIN))
> +       if (is_net_admin_prog_type(type) && !capable_any(CAP_NET_ADMIN, CAP_SYS_ADMIN))
>                 return -EPERM;
>         if (is_perfmon_prog_type(type) && !perfmon_capable())
>                 return -EPERM;
> --
> 2.40.1
>





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