Subject: Re: [PATCH net-next 30/33] xdp: clear grow memory in bpf_xdp_adjust_tail()

From: Toke Høiland-Jørgensen <[email-masked]>
Date: Fri, 24 Apr 2020 16:09:59 +0200

Jesper Dangaard Brouer <[email-masked]> writes:

> Clearing memory of tail when grow happens, because it is too easy
> to write a XDP_PASS program that extend the tail, which expose
> this memory to users that can run tcpdump.
>
> Signed-off-by: Jesper Dangaard Brouer <[email-masked]>

Probably a good precaution :)

Acked-by: Toke Høiland-Jørgensen <[email-masked]>