linux-kernel - Re: [PATCH 02/02] Elf: Align elf notes properly

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Date:	Fri, 10 Nov 2006 16:43:49 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeremy@...p.org
Cc:	magnus.damm@...il.com, horms@...ge.net.au, ebiederm@...ssion.com,
	magnus@...inux.co.jp, linux-kernel@...r.kernel.org,
	vgoyal@...ibm.com, ak@....de, fastboot@...ts.osdl.org,
	anderson@...hat.com
Subject: Re: [PATCH 02/02] Elf: Align elf notes properly

From: Jeremy Fitzhardinge <jeremy@...p.org>
Date: Fri, 10 Nov 2006 16:26:46 -0800

> David Miller wrote:
> > I think Elf64 notes very much would need 64-bit alignment, especially
> > if there are u64 objects in there.  Otherwise it would not be possible
> > to directly dereference such objects without taking unaligned faults
> > on several types of RISC cpus.
> >   
> 
> That doesn't appear to have been a problem.

We should be OK with the elf note header since n_namesz, n_descsz, and
n_type are 32-bit types even on Elf64.  But for the contents embedded
in the note, I am not convinced that there are no potential issues.

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