Re: [PATCH v5 01/16] fs/kernel_read_file: Remove FIRMWARE_PREALLOC_BUFFER enum

From: James Morris
Date: Tue Oct 06 2020 - 13:18:10 EST


On Fri, 2 Oct 2020, Kees Cook wrote:

> FIRMWARE_PREALLOC_BUFFER is a "how", not a "what", and confuses the LSMs
> that are interested in filtering between types of things. The "how"
> should be an internal detail made uninteresting to the LSMs.
>
> Fixes: a098ecd2fa7d ("firmware: support loading into a pre-allocated buffer")
> Fixes: fd90bc559bfb ("ima: based on policy verify firmware signatures (pre-allocated buffer)")
> Fixes: 4f0496d8ffa3 ("ima: based on policy warn about loading firmware (pre-allocated buffer)")
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
> Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> Acked-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx


Reviewed-by: James Morris <jamorris@xxxxxxxxxxxxxxxxxxx>


--
James Morris
<jmorris@xxxxxxxxx>