Re: [PATCH] ACPICA: Fix dereference in acpi_ev_address_space_dispatch()

[Sudeep Holla]

On Thu, Oct 31, 2024 at 05:31:46PM +0000, George Rurikov wrote:
> * # Be careful, this email looks suspicious; * WARNING!  This email has multiple suspicious indicators that suggest it is malicious, please handle links and attachments with extreme care. *
> When support for  PCC Opregion was added, validation of field_obj
> was missed.
> Based on the acpi_ev_address_space_dispatch function description,
> field_obj can be NULL, and also when acpi_ev_address_space_dispatch
> is called in the acpi_ex_region_read() NULL is passed as field_obj.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>

LGTM, please submit this to ACPICA project as specified in the documentation
if not already done. Otherwise a reference to the merge request there would
be good here.

--
Regards,
Sudeep