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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id d16-20020a056a00245000b004f771b48736sm3571711pfj.194.2022.04.15.10.33.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Apr 2022 10:33:59 -0700 (PDT) Date: Fri, 15 Apr 2022 10:33:58 -0700 From: Kees Cook To: Nick Desaulniers Cc: Qing Zhao , Bill Wendling , "Moreira, Joao" , clang-built-linux , LKML , "Jose E. Marchesi" Subject: Re: toolchain mitigations plumbers session Message-ID: <202204151024.DFDBF9DD6@keescook> References: <3DE35A81-1FC6-4EC7-8F3A-B395B576644D@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 15, 2022 at 10:17:46AM -0700, Nick Desaulniers wrote: > On Fri, Apr 15, 2022 at 7:50 AM Qing Zhao wrote: > > > > Hi, Nick, > > > > > On Apr 14, 2022, at 4:30 PM, Nick Desaulniers wrote: > > > > > > Hi Qing, Kees, and Bill, > > > Jose and I are currently in the planning process to put together a > > > Kernel+Toolchain microconference track at Linux Plumbers Conference > > > this year (Sept 12-14) in Dublin, Ireland. > > > > > > Would you all be interested in leading another session on > > > kernel+toolchain collaboration for mitigations? Do you plan to attend > > > plumbers this year which will be in person? > > > > I’d love to attend plumbers this year to meet people in person! > > But not sure whether there will be enough new, big stuff to report this year since mostly bunch of bug fixes and minor > > Improvements to the previous work. > > No worries; it doesn't need to be a presentation, or just one person > presenting. I think a quick review of newly developed features from > various authors, then a discussion with consumers (kernel developers) > would be beneficial. Yeah, this kind of overview is what I've been doing the last few years (with Qing last year): https://outflux.net/slides/2021/lpc/compiler-security-features.pdf https://outflux.net/slides/2020/lpc/gcc-and-clang-security-feature-parity.pdf https://outflux.net/slides/2019/lpc/gcc-and-clang.pdf -- Kees Cook