Re: [Qemu-devel] QEMU testing methodology & results

2011-04-29 Thread Blue Swirl
On Fri, Apr 29, 2011 at 11:33 AM, Paolo Bonzini wrote: > On 04/29/2011 02:17 AM, Peter Maydell wrote: >> >> The theoretical aim there as far >> as I'm concerned is architectural correctness -- in other words we >> should be a valid implementation of the architecture, > > That's not even the case f

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-29 Thread Paolo Bonzini
On 04/29/2011 02:17 AM, Peter Maydell wrote: The theoretical aim there as far as I'm concerned is architectural correctness -- in other words we should be a valid implementation of the architecture, That's not even the case for x86. It should be a goal, however, that with mainstream kernels u

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-28 Thread Peter Maydell
On 28 April 2011 20:44, Anthony Liguori wrote: > Just to be clear, at least for x86 CPU emulation, QEMU does not attempt to > achieve perfect fidelity Also true for ARM CPU emulation. The theoretical aim there as far as I'm concerned is architectural correctness -- in other words we should be a v

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-28 Thread Anthony Liguori
On 04/08/2011 02:18 AM, Roberto Paleari wrote: Dear QEMU developers, we are a group of researchers working at the University of Milan, Italy. During the last year we focused on automatic techniques to find defects inside CPU emulators and virtualizers. Our work has been published in different co

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-28 Thread Blue Swirl
On Wed, Apr 27, 2011 at 6:31 PM, Roberto Paleari wrote: > Hi Stefan, > > Not yet. I have not received any reply besides Blue Swirl's message.. Therefore, please publish the problems you found on this list so we can start fixing them.

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-27 Thread Roberto Paleari
Hi Stefan, Not yet. I have not received any reply besides Blue Swirl's message.. Roberto On Wed, Apr 27, 2011 at 4:46 PM, Stefan Hajnoczi wrote: > Hi Roberto, > Any update?  Did a qemu.git committer contact you in order to handle > the issues you found?

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-27 Thread Stefan Hajnoczi
On Fri, Apr 8, 2011 at 8:18 AM, Roberto Paleari wrote: > For this reason, we ask to whom it may concern to contact us privately > at emufuz...@security.dico.unimi.it to discuss about the disclosure of > these results. Hi Roberto, Any update? Did a qemu.git committer contact you in order to handl

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-10 Thread Roberto Paleari
On Fri, Apr 8, 2011 at 9:56 PM, Blue Swirl wrote: > Very interesting! Thank you! > KEmuFuzzer seems to be more general. The approach of the patch is a > bit intrusive. But there are similarities with it and GDB interface, > tracepoints and other instrumentation needs, so it may be possible to >

Re: [Qemu-devel] QEMU testing methodology & results

2011-04-08 Thread Blue Swirl
On Fri, Apr 8, 2011 at 10:18 AM, Roberto Paleari wrote: > Dear QEMU developers, > > we are a group of researchers working at the University of Milan, > Italy. During the last year we focused on automatic techniques to find > defects inside CPU emulators and virtualizers. Our work has been > publis

[Qemu-devel] QEMU testing methodology & results

2011-04-08 Thread Roberto Paleari
Dear QEMU developers, we are a group of researchers working at the University of Milan, Italy. During the last year we focused on automatic techniques to find defects inside CPU emulators and virtualizers. Our work has been published in different conference papers [1][2][3], and the testing method