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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id x139sm18509941pgx.92.2019.10.21.09.06.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Oct 2019 09:06:59 -0700 (PDT) Date: Mon, 21 Oct 2019 09:06:58 -0700 From: Kees Cook To: Ard Biesheuvel Subject: Re: [PATCH 16/18] arm64: kprobes: fix kprobes without CONFIG_KRETPROBES Message-ID: <201910210905.7494C5C@keescook> References: <20191018161033.261971-1-samitolvanen@google.com> <20191018161033.261971-17-samitolvanen@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191021_090701_089631_41BA035F X-CRM114-Status: GOOD ( 10.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Kernel Hardening , Catalin Marinas , Nick Desaulniers , Linux Kernel Mailing List , Steven Rostedt , clang-built-linux , Sami Tolvanen , Laura Abbott , Will Deacon , Dave Martin , linux-arm-kernel 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 Mon, Oct 21, 2019 at 08:21:48AM +0200, Ard Biesheuvel wrote: > On Fri, 18 Oct 2019 at 18:11, Sami Tolvanen wrote: > > > > This allows CONFIG_KRETPROBES to be disabled without disabling > > kprobes entirely. > > > > Signed-off-by: Sami Tolvanen > > Can we make kretprobes work with the shadow call stack instead? I've been viewing that as "next steps". This series is the first step: actually gaining the feature and clearly indicating where future improvements can live. -- Kees Cook _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel