Re: [PATCH 06/30] sysinfo: Use explicit types in <linux/sysinfo.h>
From: H. Peter Anvin
Date: Mon Feb 20 2012 - 15:44:44 EST
On 02/20/2012 12:01 PM, Geert Uytterhoeven wrote:
> On Mon, Feb 20, 2012 at 18:29, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>> Not really... it comes down to "implicit padding in kernel ABI structures is bad". They can easily become security holes.
>
> On 64-bit platforms with natural alignment of long, there's an implicit padding.
>
We should try to make those explicit, but it sometimes gets hard
retroactively. Note that the particular patch you're pointing to is
just an identity patch.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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