Re: [PATCH bpf-next v6 02/23] bpf/verifier: allow kfunc to read user provided context

[Yonghong Song]

On 7/12/22 7:58 AM, Benjamin Tissoires wrote:
> When a kfunc was trying to access data from context in a syscall eBPF
> program, the verifier was rejecting the call.
> This is because the syscall context is not known at compile time, and
> so we need to check this when actually accessing it.
>
> Check for the valid memory access and allow such situation to happen.
>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

Acked-by: Yonghong Song <yhs@xxxxxx>