Re: [PATCH net] netkit: Assign missing bpf_net_context

[Martin KaFai Lau]

On 9/12/24 8:56 AM, Breno Leitao wrote:
> During the introduction of struct bpf_net_context handling for
> XDP-redirect, the netkit driver has been missed, which also requires it
> because NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the
> per-CPU variables. Otherwise we see the following crash:
>
> 	BUG: kernel NULL pointer dereference, address: 0000000000000038
> 	bpf_redirect()
> 	netkit_xmit()
> 	dev_hard_start_xmit()
>
> Set the bpf_net_context before invoking netkit_xmit() program within the
> netkit driver.

Acked-by: Martin KaFai Lau <martin.lau@xxxxxxxxxx>