linux-kernel - Re: [patch] remove MNT_NOEXEC check for PROT

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Message-ID: <4516B721.5070801@redhat.com>
Date:	Sun, 24 Sep 2006 09:49:37 -0700
From:	Ulrich Drepper <drepper@...hat.com>
To:	Stas Sergeev <stsp@...et.ru>
CC:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Hugh Dickins <hugh@...itas.com>, Andrew Morton <akpm@...l.org>,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch] remove MNT_NOEXEC check for PROT_EXEC mmaps

Stas Sergeev wrote:
> Exactly. So why such a "middle-ground" solution is currently
> there? I can:
> 1. mprotect() the existing mapping to PROT_EXEC and bypass the
> checks (but you can easily restrict that by patching mprotect()).

The consensus has been to add the same checks to mprotect.  They were
not left out intentionally.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖


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