linux-kernel - Re: [PATCH] lkdtm: add test for executing .rodata

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Message-ID: <56CCD677.1316.1C5E89E6@pageexec.freemail.hu>
Date:	Tue, 23 Feb 2016 23:00:23 +0100
From:	"PaX Team" <pageexec@...email.hu>
To:	Kees Cook <keescook@...omium.org>
CC:	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Laura Abbott <labbott@...hat.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mark Rutland <mark.rutland@....com>,
	Jeremy Linton <jeremy.linton@....com>,
	Arnd Bergmann <arnd@...db.de>,
	"kernel-hardening@...ts.openwall.com" 
	<kernel-hardening@...ts.openwall.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] lkdtm: add test for executing .rodata

On 23 Feb 2016 at 12:53, Kees Cook wrote:

> I prefer using all the "regular" mechanisms so that I really know I'm
> exercising the actual case I want to be testing. (i.e. I don't want to
> bypass the linker.)
> 
> If only there were some way to filter gcc output, like with plugins. ;)

plugins can set/override section flags, initify and constify both do in
fact but i guess that's little help for your generic case that has to
work without them as well.