Re: [Xen-devel] [PATCH v2] xen/acpi: off by one in read_acpi_id()

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 03/29/2018 05:01 AM, Dan Carpenter wrote:
> If acpi_id is == nr_acpi_bits, then we access one element beyond the end
> of the acpi_psd[] array or we set one bit beyond the end of the bit map
> when we do __set_bit(acpi_id, acpi_id_present);
>
> Fixes: 59a568029181 ("xen/acpi-processor: C and P-state driver that uploads said 
> data to hypervisor.")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Reviewed-by: Joao Martins <joao.m.martins@xxxxxxxxxx>
> Reviewed-by: Juergen Gross <jgross@xxxxxxxx>

Applied to for-linus-4.17

-boris


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