linux-kernel - Re: [Announce] LPC 2018: Testing and Fuzzing Microconference

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Date:   Wed, 3 Oct 2018 11:21:17 -0700
From:   Dhaval Giani <dhaval.giani@...il.com>
To:     levinsasha928@...il.com, "Howlett,Liam" <liam.howlett@...cle.com>
Cc:     alexander.levin@...rosoft.com, LKML <linux-kernel@...r.kernel.org>,
        gregkh@...uxfoundation.org,
        Alice Ferrazzi <alice.ferrazzi@...il.com>,
        Kevin Hilman <khilman@...libre.com>,
        Tim Bird <tbird20d@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Laura Abbott <labbott@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        gustavo.padovan@...labora.co.uk,
        "Carpenter,Dan" <dan.carpenter@...cle.com>, willy@...radead.org,
        knut.omang@...cle.com
Subject: Re: [Announce] LPC 2018: Testing and Fuzzing Microconference

On Tue, Oct 2, 2018 at 2:03 PM Sasha Levin <levinsasha928@...il.com> wrote:
>
> On Tue, Oct 2, 2018 at 4:44 PM Liam R. Howlett <Liam.Howlett@...cle.com> wrote:
> >
> > * Dhaval Giani <dhaval.giani@...il.com> [180919 13:15]:
> > > Hi folks,
> > >
> > > Sasha and I are pleased to announce the Testing and Fuzzing track at
> > > LPC [ 1 ]. We are planning to continue the discussions from last
> > > year's microconference [2]. Many discussions from the Automated
> > > Testing Summit [3] will also continue, and a final agenda will come up
> > > only soon after that.
> > >
> > > Suggested Topics
> > >
> > > - Syzbot/syzkaller
> > > - ATS
> > > - Distro/stable testing
> > > - kernelci
> > > - kernelci auto bisection
> > > - Unit testing framework
> > >
> > > We look forward to other interesting topics for this microconference
> > > as a reply to this email.
> > >
> > > Thanks!
> > > Dhaval and Sasha
> > >
> > > [1] https://blog.linuxplumbersconf.org/2018/testing-and-fuzzing-mc/
> > > [2] https://lwn.net/Articles/735034/
> > > [3] https://elinux.org/Automated_Testing_Summit
> >
> >
> > Hello,
> >
> > I have a new way to analyze binaries to detect specific calls without
> > the need for source.  I would like to discuss Machine Code Trace
> > (MCTrace) at the Testing and Fuzzing LPC track.  MCTrace intercepts the
> > application prior to execution and does not rely on a specific user
> > input. It then decodes the machine instructions to follow all control
> > flows to their natural conclusions.  This includes control flows that go
> > beyond the boundaries of the static executable code into shared
> > libraries. This new technique avoids false positives which could be
> > produced by static analysis and includes paths that could be missed by
> > dynamic tracing.  This type of analysis could be useful in both testing
> > and fuzzing by providing a call graph to a given function.
> >
> > MCTrace was initially designed to help generate the seccomp() filter
> > list, which is a whitelist/blacklist of system calls for a specific
> > application. Seccomp filters easily become outdated when the application
> > or shared library is updated. This can cause failures or security
> > issues [ 1 ].  Other potential uses including examining binary blobs,
> > vulnerability analysis, and debugging.
>
> Hi Liam,
>
> Is MCTrace available anywhere?
>

Sasha,

McTrace is an early prototype, really needing a lot of feedback. I
will let Liam send more details (some how he got dropped from the cc)

Dhavla

>
> --
> Thanks,
> Sasha