Re: [PATCH] - linux/arch/ia64/kernel/acpi.c

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2003-12-20 10:10:11
>>>>> On Thu, 18 Dec 2003 13:14:42 -0600, Jack Steiner <steiner@sgi.com> said:

  Jack> The code in acpi_numa_memory_affinity_init that sorts the
  Jack> node_memblk can overrun the array & clobber the memory that
  Jack> follows the end of the array. The error will be seen only on
  Jack> systems that fill the node_memblk array and only if SAL doesnt
  Jack> sort the entries in the SRAT.


> --- linux.base/arch/ia64/kernel/acpi.c	Wed Nov 26 14:44:07 2003
> +++ linux/arch/ia64/kernel/acpi.c	Thu Dec 18 13:10:03 2003
> @@ -413,7 +413,7 @@
>  			break;
>  	}
>  	if (p < pend) {
> -		for (q = pend; q >= p; q--)
> +		for (q = pend - 1; q >= p; q--)
>  			*(q + 1) = *q;
>  	}
>  	p->start_paddr = paddr;

Looks correct to me.  Applied.

	--david
-
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Received on Fri Dec 19 18:12:40 2003

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