[PATCH bpf-next 02/11] bpf: Return -EFAULT on misconfigurations

[Eduard Zingerman]

On Thu, 2025-03-13 at 18:21 +0100, Luis Gerhorst wrote:
> Mark these cases as non-recoverable to later prevent them from being
> cought when they occur during speculative path verification.
> 
> Signed-off-by: Luis Gerhorst <luis.gerhorst at fau.de>
> Acked-by: Henriette Herzog <henriette.herzog at rub.de>
> Cc: Maximilian Ott <ott at cs.fau.de>
> Cc: Milan Stephan <milan.stephan at fau.de>
> ---

The only pace I'm aware of that might act upon specific error code
from verifier syscall is libbpf. Looking through libbpf code, it seems
that this change does not interfere with libbpf.

Reviewed-by: Eduard Zingerman <eddyz87 at gmail.com>

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