linux-kernel - Re: Updated: [PATCH] hardening: add PROT

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Message-Id: <20121003222524.25D522C07E@topped-with-meat.com>
Date:	Wed,  3 Oct 2012 15:25:24 -0700 (PDT)
From:	Roland McGrath <roland@...k.frob.com>
To:	Kees Cook <keescook@...omium.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ard Biesheuvel <ard.biesheuvel@...il.com>,
	Hugh Dickins <hughd@...gle.com>, linux-kernel@...r.kernel.org,
	pageexec@...email.hu
Subject: Re: Updated: [PATCH] hardening: add PROT_FINAL prot flag to mmap/mprotect

> > Again: has this proposal been reviewed by the glibc maintainers?  If
> > so, what was their position on it?
> 
> Ard have you talked with them? I would expect it would be welcomed.
> Roland, do you know who would be the right person to ask about this
> for glibc? (patch: https://lkml.org/lkml/2012/10/3/262)

It's me and others.  Someone should post (avoiding lots of cross-posting,
please) to libc-alpha@...rceware.org with a straightforward description of
the userland semantics being introduced (we don't need to see kernel
patches) and (ideally) a proposed patch for the dynamic linker code to make
use of it (a strawman example is OK to begin with).


Thanks,
Roland
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