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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id h1sm3273433pfr.39.2020.08.21.11.24.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2020 11:24:26 -0700 (PDT) Date: Fri, 21 Aug 2020 11:24:25 -0700 From: Kees Cook To: Arvind Sankar Subject: Re: [PATCH v5 32/36] x86/boot/compressed: Reorganize zero-size section asserts Message-ID: <202008211123.AD9EA0441@keescook> References: <20200731230820.1742553-1-keescook@chromium.org> <20200731230820.1742553-33-keescook@chromium.org> <20200801014755.GA2700342@rani.riverdale.lan> <20200801025325.GA2800311@rani.riverdale.lan> <202007312235.4A48157938@keescook> <20200801171225.GB3249534@rani.riverdale.lan> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200801171225.GB3249534@rani.riverdale.lan> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200821_142430_014002_1071CC8C X-CRM114-Status: GOOD ( 12.10 ) 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 , linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, Arnd Bergmann , Peter Collingbourne , Catalin Marinas , Masahiro Yamada , x86@kernel.org, Nick Desaulniers , Russell King , linux-kernel@vger.kernel.org, Nathan Chancellor , clang-built-linux@googlegroups.com, Ingo Molnar , James Morse , Thomas Gleixner , Borislav Petkov , Will Deacon , Ard Biesheuvel , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Aug 01, 2020 at 01:12:25PM -0400, Arvind Sankar wrote: > Actually, moving it to the end also requires marking it INFO or > stripping it out when creating the bzImage. Otherwise we get back to > that old problem of materializing .bss/.pgtable in the bzImage. Yeah -- I wonder what the best way to make sure we avoid causing the .bss appearing again... -- Kees Cook _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel