linux-kernel - Re: [PATCH] [RFC] Introduce mmap randomization

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Message-ID: <CAFJ0LnF7GGCk0LaJXQtBP9sROM3S3+d6hJ=1SjjgwpBcfGqJ1g@mail.gmail.com>
Date:	Tue, 2 Aug 2016 10:02:49 -0700
From:	Nick Kralevich <nnk@...gle.com>
To:	"Roberts, William C" <william.c.roberts@...el.com>
Cc:	Jason Cooper <jason@...edaemon.net>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kernel-hardening@...ts.openwall.com" 
	<kernel-hardening@...ts.openwall.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"keescook@...omium.org" <keescook@...omium.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"jeffv@...gle.com" <jeffv@...gle.com>,
	"salyzyn@...roid.com" <salyzyn@...roid.com>,
	"dcashman@...roid.com" <dcashman@...roid.com>
Subject: Re: [PATCH] [RFC] Introduce mmap randomization

On Tue, Aug 2, 2016 at 9:57 AM, Roberts, William C
<william.c.roberts@...el.com> wrote:
> @nnk, disabling ASLR via set_arch() on Android, is that only for 32 bit address spaces where
> you had that problem?

Yes. Only 32 bit address spaces had the fragmentation problem.

-- 
Nick Kralevich | Android Security | nnk@...gle.com | 650.214.4037