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[209.85.208.173]) by smtp.gmail.com with ESMTPSA id e25sm946009lfc.13.2019.02.22.17.33.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Feb 2019 17:33:40 -0800 (PST) Received: by mail-lj1-f173.google.com with SMTP id v10so3140821lji.3 for ; Fri, 22 Feb 2019 17:33:40 -0800 (PST) X-Received: by 2002:a2e:9117:: with SMTP id m23mr3745506ljg.94.1550885619751; Fri, 22 Feb 2019 17:33:39 -0800 (PST) MIME-Version: 1.0 References: <20ABBED1-E505-45F6-8520-FB93786DF9A9@zytor.com> <20190216103044.GR32494@hirez.programming.kicks-ass.net> <9e037d68-75e7-1beb-0c9c-33a7ffeced1b@zytor.com> <20190219090409.GW32494@hirez.programming.kicks-ass.net> <20190219124808.GG8501@fuggles.cambridge.arm.com> <20190222222635.GK14054@worktop.programming.kicks-ass.net> In-Reply-To: From: Linus Torvalds Date: Fri, 22 Feb 2019 17:33:23 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [RFC][PATCH] objtool: STAC/CLAC validation To: Andy Lutomirski X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190222_173346_067112_2F12D9B6 X-CRM114-Status: UNSURE ( 8.27 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Denys Vlasenko , Brian Gerst , Julien Thierry , Peter Zijlstra , Catalin Marinas , Josh Poimboeuf , Will Deacon , valentin.schneider@arm.com, Ingo Molnar , James Morse , "H. Peter Anvin" , Borislav Petkov , Thomas Gleixner , Ingo Molnar , "linux-alpha@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Feb 22, 2019 at 5:17 PM Andy Lutomirski wrote: > > What I meant was: a potentially large grab bag of ways to help turn a > bug into an exploit. Well, apparently there's only one place, and that one looks pretty harmless. Of course, I don't think PeterZ said what his config was. Maybe it was a very minimal config and only found that one case because all the truly scary cases were configured out ;) Linus _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel