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[198.0.35.241]) by smtp.gmail.com with ESMTPSA id n21-20020a637215000000b0056420d3cd20sm10723119pgc.71.2023.08.15.16.39.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Aug 2023 16:39:59 -0700 (PDT) Date: Tue, 15 Aug 2023 16:39:58 -0700 From: Kees Cook To: Sami Tolvanen Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , Guo Ren , Deepak Gupta , Nathan Chancellor , Nick Desaulniers , Fangrui Song , linux-riscv@lists.infradead.org, llvm@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 6/6] lkdtm: Fix CFI_BACKWARD on RISC-V Message-ID: <202308151639.44FEBD10@keescook> References: <20230815203442.1608773-8-samitolvanen@google.com> <20230815203442.1608773-14-samitolvanen@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230815203442.1608773-14-samitolvanen@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230815_164001_507997_69F3F2D7 X-CRM114-Status: GOOD ( 10.09 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Tue, Aug 15, 2023 at 08:34:49PM +0000, Sami Tolvanen wrote: > On RISC-V, the return address is before the current frame pointer, > unlike on most other architectures. Use the correct offset on RISC-V > to fix the CFI_BACKWARD test. > > Signed-off-by: Sami Tolvanen Acked-by: Kees Cook -- Kees Cook _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv