Re: [PATCH 0/25] MR7226: ntdll: Implement in-process synchronization via the Linux "ntsync" driver.

[Aida Jonikienė (＠DodoGTA)]

On Thu Jan 30 21:29:04 2025 +0000, Elizabeth Figura wrote:
> > I mean that the `NtWaitForMultipleObjects()` call will always return
>
> `STATUS_OBJECT_TYPE_MISMATCH` with a completion port object under ntsync
> because of the `no_get_inproc_sync` handler being used (the path goes
> like: `object->ops->get_fast_sync()` -> `get_linux_sync_obj()` ->
> (ntdll.so) `get_fast_sync_obj()` -> `fast_wait()`)
> It should never be possible for NtWaitForMultipleObjects() to be called
> with a completion_wait object. NtRemoveIoCompletion() uses
> server_wait_for_object(), and the wait handle is never exposed outside
> of that function.

The exact same code path seems to affect the Amazon Games app (it just closes when trying to open it with no obvious error messages)