Re: [PATCH] drivers/platform: toshiba_acpi: Fix array out-of-bounds access

From: Hans de Goede
Date: Wed Jul 10 2024 - 10:24:13 EST


Hi,

On 7/9/24 4:38 PM, Armin Wolf wrote:
> In order to use toshiba_dmi_quirks[] together with the standard DMI
> matching functions, it must be terminated by a empty entry.
>
> Since this entry is missing, an array out-of-bounds access occurs
> every time the quirk list is processed.
>
> Fix this by adding the terminating empty entry.
>
> Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-lkp/202407091536.8b116b3d-lkp@xxxxxxxxx
> Fixes: 3cb1f40dfdc3 ("drivers/platform: toshiba_acpi: Call HCI_PANEL_POWER_ON on resume on some models")
> Signed-off-by: Armin Wolf <W_Armin@xxxxxx>

Thank you for your patch.

I have included this patch in the fixes pull-req to Linus
which I have just send out.

Regards,

Hans







> ---
> drivers/platform/x86/toshiba_acpi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
> index 3a8d8df89186..d54bccec6ad6 100644
> --- a/drivers/platform/x86/toshiba_acpi.c
> +++ b/drivers/platform/x86/toshiba_acpi.c
> @@ -3299,6 +3299,7 @@ static const struct dmi_system_id toshiba_dmi_quirks[] = {
> },
> .driver_data = (void *)(QUIRK_TURN_ON_PANEL_ON_RESUME | QUIRK_HCI_HOTKEY_QUICKSTART),
> },
> + { }
> };
>
> static int toshiba_acpi_add(struct acpi_device *acpi_dev)
> --
> 2.39.2
>