Re: [PATCH bpf v2] bpf: verifier: prevent userspace memory access

From: Alexei Starovoitov
Date: Thu Mar 21 2024 - 07:05:41 EST


On Thu, Mar 21, 2024 at 3:11 AM Puranjay Mohan <puranjay12@xxxxxxxxx> wrote:
>
> diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
> index e613eebfd349..e61a51a5b4be 100644
> --- a/arch/s390/net/bpf_jit_comp.c
> +++ b/arch/s390/net/bpf_jit_comp.c
> @@ -2691,3 +2691,8 @@ bool bpf_jit_supports_subprog_tailcalls(void)
> {
> return true;
> }
> +
> +u64 bpf_arch_uaddress_limit(void)
> +{
> + return -ENOTSUPP;
> +}

Looks good and should work, but s390 CI is still not happy.
Ideas?
sock tests were not failing before. So something is going on.