Re: [PATCH 2/2 v2] ntdll: Zero debug registers after thread creation

[Michael Müller]

Am 07.04.2017 um 17:52 schrieb Christian Inci:
> DWORD tid = 0;
>      int request_pipe[2];
> +    CONTEXT ctx;
>      NTSTATUS status;
>
> [...]
>
> +    ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
> +    NtSetContextThread(handle, &ctx);
> +

You didn't initialize the register values and therefore set the debug
registers to random stack values. You should either initialize them
manually or memset the whole struct.