Re: [PATCH v2 2/4] binder: avoid potential data leakage when copying txn

[Christian Brauner]

On Tue, Nov 30, 2021 at 10:51:50AM -0800, Todd Kjos wrote:
> Transactions are copied from the sender to the target
> first and objects like BINDER_TYPE_PTR and BINDER_TYPE_FDA
> are then fixed up. This means there is a short period where
> the sender's version of these objects are visible to the
> target prior to the fixups.
> 
> Instead of copying all of the data first, copy data only
> after any needed fixups have been applied.
> 
> Fixes: 457b9a6f09f0 ("Staging: android: add binder driver")
> Reviewed-by: Martijn Coenen <maco@xxxxxxxxxxx>
> Signed-off-by: Todd Kjos <tkjos@xxxxxxxxxx>
> ---

Looks good.
Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>