Date: Mon, 18 Aug 2014 16:44:40 -0400 From: Shawn Webb <lattera@gmail.com> To: freebsd-arch@freebsd.org Cc: PaX Team <pageexec@freemail.hu>, Bryan Drewery <bdrewery@freebsd.org>, Alan Cox <alc@rice.edu>, =?UTF-8?Q?Dag=2DErling_Sm=C3=B8rgrav?= <des@freebsd.org>, Oliver Pinter <oliver.pntr@gmail.com> Subject: Re: [RFC] ASLR Whitepaper and Candidate Final Patch Message-ID: <CADt0fhx_KMhvRaWuht1GO6WZVW4euUX8WG6eGPD4QnFf8fDM2g@mail.gmail.com> In-Reply-To: <20140711232914.GH41807@pwnie.vrt.sourcefire.com> References: <20140711232914.GH41807@pwnie.vrt.sourcefire.com>
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I've uploaded a new patch to Phabric: https://reviews.freebsd.org/D473. I'm interested in hearing feedback from the community. On Fri, Jul 11, 2014 at 7:29 PM, Shawn Webb <lattera@gmail.com> wrote: > Hey All, > > Oliver Pinter and I have been working hard on our ASLR implementation. > We're now in the final stages of development and would like to get > feedback from the community. I've attached to this email a small > whitepaper that details our implementation and the accompanying patch. > > There is one part of the patch that I wrote that is quite an ugly hack > and would like to get some feedback on. I added a little hack to > sys_mmap() to apply ASLR to calls to mmap(2) when MAP_32BIT is > specified. I'd like to remove that ugly hack to something a bit more > beautiful, so if anyone has any suggestions, I'm all ears. > > Other than that ugly hack, the code adheres to FreeBSD's style(9) > standards. I believe we have an awesome implementation, one I've > personally been using without issue for months. > > I'm looking forward to your comments and questions. I've CC'd the PaX > team. Please keep them CC'd in your replies. > > Thank you very much, > > Shawn Webb > CC: PaX Team > CC: Oliver Pinter > CC: des@freebsd.org > CC: alc@rice.edu > CC: bdrewery@freebsd.org > > PS - Sorry for the duplicate emails. I hit the wrong key and didn't CC > everyone. >
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