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Date: Fri, 3 Aug 2012 10:16:50 -0700
From: Kees Cook <>
To: "Eric W. Biederman" <>
Cc: Pavel Emelyanov <>, Cyrill Gorcunov <>, 
	richard -rw- weinberger <>, Thomas Gleixner <>, 
	"" <>, Randy Dunlap <>, 
	Darren Hart <>, Peter Zijlstra <>, 
	Andrew Morton <>, Jiri Kosina <>, 
	David Howells <>, "Serge E. Hallyn" <>, 
	"" <>, 
	"" <>, 
	"" <>
Subject: Re: [PATCH v2] futex: mark get_robust_list as deprecated

Right, I'm satisfied with the ptrace_may_access check that was added.
The deprecation was suggested as an additional change. I'm okay
keeping the syscall if someone actually needs it. :)


On Fri, Aug 3, 2012 at 5:58 AM, Eric W. Biederman <> wrote:
> 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

Kees Cook
Chrome OS Security

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