Re: [PATCH bpf-next 1/4] bpf: add BPF_F_DESTRUCTIVE flag for BPF_PROG_LOAD

[Alexei Starovoitov]

On Wed, Jul 20, 2022 at 4:47 AM Artem Savkov <asavkov@xxxxxxxxxx> wrote:
>
> +/* If BPF_F_DESTRUCTIVE is used in BPF_PROG_LOAD command, the loaded program
> + * will be able to perform destructive operations such as calling bpf_panic()
> + * helper.
> + */
> +#define BPF_F_DESTRUCTIVE      (1U << 6)

I don't understand what value this flag provides.

bpf prog won't be using kexec accidentally.
Requiring user space to also pass this flag seems pointless.