linux-kernel - Re: [PATCH v2] futex: mark get_robust

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Message-ID: <e80f32ef-d6cf-48cc-9ddb-75d95bc9581e@email.android.com>
Date:	Fri, 03 Aug 2012 05:58:45 -0700
From:	"Eric W. Biederman" <ebiederm@...ssion.com>
To:	Pavel Emelyanov <xemul@...allels.com>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	richard -rw- weinberger <richard.weinberger@...il.com>
CC:	Kees Cook <keescook@...omium.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	Darren Hart <dvhart@...ux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>,
	David Howells <dhowells@...hat.com>,
	"Serge E. Hallyn" <serge.hallyn@...onical.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"kernel-hardening@...ts.openwall.com" 
	<kernel-hardening@...ts.openwall.com>,
	"spender@...ecurity.net" <spender@...ecurity.net>
Subject: Re: [PATCH v2] futex: mark get_robust_list as deprecated

The permissions on the syscall were fixed them withR ptrace_may_access.

We have identified two legitimate use cases.

It looks like it is time for someone to generate the path to remove the depreciation.

Who is up for writing and testing that patch?

Eric

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