Re: [bpf-next v5 2/3] bpf: Add bpf_copy_from_user_task_str kfunc

[Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx>]

On Sun, Jan 26, 2025 at 8:39 AM Jordan Rome <linux@xxxxxxxxxxxxxx> wrote:
>
> This new kfunc will be able to copy a string
> from another process's/task's address space.
> This is similar to `bpf_copy_from_user_str`
> but accepts a `struct task_struct*` argument.
>
> Signed-off-by: Jordan Rome <linux@xxxxxxxxxxxxxx>
> ---
>  kernel/bpf/helpers.c | 48 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
>

Please carry over received acks/reviewed-by's, unless you drastically
changed something about approved patch:

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>

> diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
> index f27ce162427a..a33f72a4c31f 100644
> --- a/kernel/bpf/helpers.c
> +++ b/kernel/bpf/helpers.c
> @@ -3082,6 +3082,53 @@ __bpf_kfunc void bpf_local_irq_restore(unsigned long *flags__irq_flag)
>         local_irq_restore(*flags__irq_flag);
>  }

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