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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id b13sm4545729pfl.49.2021.07.27.14.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 14:07:02 -0700 (PDT) From: Kees Cook To: linux-hardening@vger.kernel.org Cc: Kees Cook , "Gustavo A . R . Silva" , Keith Packard , Greg Kroah-Hartman , Andrew Morton , linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-staging@lists.linux.dev, linux-block@vger.kernel.org, linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com Subject: [PATCH 61/64] Makefile: Enable -Warray-bounds Date: Tue, 27 Jul 2021 13:58:52 -0700 Message-Id: <20210727205855.411487-62-keescook@chromium.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210727205855.411487-1-keescook@chromium.org> References: <20210727205855.411487-1-keescook@chromium.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1002; h=from:subject; bh=iIOagZzyF2xdp8n7enwD6qkgQ1o9k/a7rFZX1PVnmxg=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBhAHOOq3GxY9uHkpfXPpohPWhLzKrRlLl+w0yr5nG9 o51n+4eJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYQBzjgAKCRCJcvTf3G3AJhXFD/ 9eNQSeUQPuzmwtU/NaiBjngkDUoTXVXv6KDOoXdN0EeDJr9dzNsPU4RUC2Yb7oNKtodqx9qr3F53BT txNpJNl/VSlLBo4MV0T1xF/z3OZoiHCgrhEK6jQQWkJ8g9DbwYCORPaM3KmjKoReDaEVCdUqLLgRLI bgnGYGgyZ8hwan3FbBKFMQwKRDx8sMPqQJUlxpC/0p1LlB5klJYif9tuDWpKW1liKmjqsack/xN7n0 V/cjUuTEEPcy51sw8cSiGkQYLx3KXX0nBtDSFN2xWj3EOY9Bm2RgpOqUqsPFAyinaCqQ43AtocYK4G EWC3c+pF5KODB9bWmzxaiWfcbQnr/qmuRE0npmKCThCFAdIG0L/zSn17BagAoxn/bfs7o1XTo9UQ6L K2E4D3ANbhN9AYyDSrP3MqqguYb7FfMwTv2zQNOLIoHqk90Ys/REfQ6FbJ9b4n+s+hlR2hs9IoQ0+Y 3LfKCSZCrYfZ2rhefZPYVzbWfzbM2+wTL1DtshJ1M+gKFcPfZ663TaMLREqy9r9mTtgswUne36LhxD ZfCNhpXpDpbsenQfUmuciUrsKoatyitqkdd4dOEVsAVIZ7jI+dZ2TTRu6UgVdfpiRIdWgIUBmXNdyf QZyNNzVnUyr2dpmTN5/GnRpfSS+N/XiRxODtkuSEXrfjk1fZDATTwSfL3kKA== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org With the recent fixes for flexible arrays and expanded FORTIFY_SOURCE coverage, it is now possible to enable -Warray-bounds. Since both GCC and Clang include -Warray-bounds in -Wall, we just need to stop disabling it. Co-developed-by: Gustavo A. R. Silva Signed-off-by: Gustavo A. R. Silva Signed-off-by: Kees Cook --- Makefile | 1 - 1 file changed, 1 deletion(-) diff --git a/Makefile b/Makefile index 6f781a199624..77d01ba3d4e1 100644 --- a/Makefile +++ b/Makefile @@ -1089,7 +1089,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) # We'll want to enable this eventually, but it's not going away for 5.7 at least KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds) -KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds) KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow) # Another good warning that we'll want to enable eventually