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From: Tycho Andersen <tycho@tycho.ws>
To: Andy Lutomirski <luto@kernel.org>
Cc: Khalid Aziz <khalid.aziz@oracle.com>,
	Ingo Molnar <mingo@kernel.org>,
	Juerg Haefliger <juergh@gmail.com>,
	jsteckli@amazon.de, Kees Cook <keescook@google.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Juerg Haefliger <juerg.haefliger@canonical.com>,
	deepa.srinivasan@oracle.com, chris hyser <chris.hyser@oracle.com>,
	Tyler Hicks <tyhicks@canonical.com>,
	"Woodhouse, David" <dwmw@amazon.co.uk>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Jon Masters <jcm@redhat.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	iommu@lists.linux-foundation.org, X86 ML <x86@kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	LSM List <linux-security-module@vger.kernel.org>,
	Khalid Aziz <khalid@gonehiking.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Dave Hansen <dave@sr71.net>, Borislav Petkov <bp@alien8.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Arjan van de Ven <arjan@infradead.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [RFC PATCH v9 03/13] mm: Add support for eXclusive Page Frame Ownership (XPFO)
Date: Wed, 17 Apr 2019 13:52:13 -0600	[thread overview]
Message-ID: <20190417195213.GE3758@cisco> (raw)
In-Reply-To: <CALCETrXFzWFMrV-zDa4QFjB=4WnC9RZmorBko65dLGhymDpeQw@mail.gmail.com>

On Wed, Apr 17, 2019 at 12:49:04PM -0700, Andy Lutomirski wrote:
> I also proposed using a gcc plugin (or upstream gcc feature) to add
> some instrumentation to any code that pops RSP to verify that the
> resulting (unsigned) change in RSP is between 0 and THREAD_SIZE bytes.
> This will make ROP quite a bit harder.

I've been playing around with this for a bit, and hope to have
something to post Soon :)

Tycho

  reply	other threads:[~2019-04-17 19:52 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1554248001.git.khalid.aziz@oracle.com>
2019-04-04 16:44 ` [RFC PATCH v9 00/13] Add support for eXclusive Page Frame Ownership Nadav Amit
2019-04-04 17:18   ` Khalid Aziz
     [not found] ` <f1ac3700970365fb979533294774af0b0dd84b3b.1554248002.git.khalid.aziz@oracle.com>
2019-04-17 16:15   ` [RFC PATCH v9 03/13] mm: Add support for eXclusive Page Frame Ownership (XPFO) Ingo Molnar
2019-04-17 16:49     ` Khalid Aziz
2019-04-17 17:09       ` Ingo Molnar
2019-04-17 17:19         ` Nadav Amit
2019-04-17 17:26           ` Ingo Molnar
2019-04-17 17:44             ` Nadav Amit
2019-04-17 21:19               ` Thomas Gleixner
     [not found]                 ` <CAHk-=wgBMg9P-nYQR2pS0XwVdikPCBqLsMFqR9nk=wSmAd4_5g@mail.gmail.com>
2019-04-17 23:42                   ` Thomas Gleixner
2019-04-17 23:52                     ` Linus Torvalds
2019-04-18  4:41                       ` Andy Lutomirski
2019-04-18  5:41                         ` Kees Cook
2019-04-18 14:34                           ` Khalid Aziz
2019-04-22 19:30                             ` Khalid Aziz
2019-04-22 22:23                             ` Kees Cook
2019-04-18  6:14                       ` Thomas Gleixner
2019-04-17 17:33         ` Khalid Aziz
2019-04-17 19:49           ` Andy Lutomirski
2019-04-17 19:52             ` Tycho Andersen [this message]
2019-04-17 20:12             ` Khalid Aziz
2019-05-01 14:49       ` Waiman Long
2019-05-01 15:18         ` Khalid Aziz

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