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Re: [Qemu-devel] [PATCH v2] pcihp: fix possible array out of bounds


From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] [PATCH v2] pcihp: fix possible array out of bounds
Date: Wed, 20 Aug 2014 21:46:54 +0200

On Wed, Aug 20, 2014 at 01:52:30PM +0800, address@hidden wrote:
> From: Gonglei <address@hidden>
> 
> Prevent out-of-bounds array access on
> acpi_pcihp_pci_status.
> 
> Signed-off-by: Gonglei <address@hidden>
> Reviewed-by: Peter Crosthwaite <address@hidden>

Applied, thanks!
> ---
> v2: 
>  - change commit message.
>  - add 'Reviewed-by'
> ---
>  hw/acpi/pcihp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
> index fae663a..34dedf1 100644
> --- a/hw/acpi/pcihp.c
> +++ b/hw/acpi/pcihp.c
> @@ -231,7 +231,7 @@ static uint64_t pci_read(void *opaque, hwaddr addr, 
> unsigned int size)
>      uint32_t val = 0;
>      int bsel = s->hotplug_select;
>  
> -    if (bsel < 0 || bsel > ACPI_PCIHP_MAX_HOTPLUG_BUS) {
> +    if (bsel < 0 || bsel >= ACPI_PCIHP_MAX_HOTPLUG_BUS) {
>          return 0;
>      }
>  
> -- 
> 1.7.12.4
> 



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