Re: [PATCH bpf-next V2 2/4] selftests/bpf: xdp_hw_metadata cleanup cause segfault

[Martin KaFai Lau <martin.lau@xxxxxxxxx>]

On 2/1/23 9:31 AM, Jesper Dangaard Brouer wrote:
> diff --git a/tools/testing/selftests/bpf/xdp_hw_metadata.c b/tools/testing/selftests/bpf/xdp_hw_metadata.c
> index 3823b1c499cc..438083e34cce 100644
> --- a/tools/testing/selftests/bpf/xdp_hw_metadata.c
> +++ b/tools/testing/selftests/bpf/xdp_hw_metadata.c
> @@ -121,7 +121,7 @@ static void close_xsk(struct xsk *xsk)
>   		xsk_umem__delete(xsk->umem);
>   	if (xsk->socket)
>   		xsk_socket__delete(xsk->socket);
> -	munmap(xsk->umem, UMEM_SIZE);
> +	munmap(xsk->umem_area, UMEM_SIZE);

Ah. Good catch. This should also explain a similar issue that CI is seeing in 
the prog_tests/xdp_metadata.c.