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

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Message-Id: <1159037913.24572.62.camel@localhost.localdomain>
Date:	Sat, 23 Sep 2006 19:58:33 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Stas Sergeev <stsp@...et.ru>, Andrew Morton <akpm@...l.org>,
	Ulrich Drepper <drepper@...hat.com>,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch] remove MNT_NOEXEC check for PROT_EXEC mmaps

Ar Sad, 2006-09-23 am 17:04 +0100, ysgrifennodd Hugh Dickins:
> No, it's not.  But this doesn't have much to do with tmpfs,
> nor with shm_open.  It's just that the kernel is not allowing
> mmap PROT_EXEC on a MNT_NOEXEC mount.  Which seems reasonable
> (though you can argue that mprotect ought to disallow it too).

Agreed mprotect should also be fixed.


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