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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id u2-20020a170902714200b00172a670607asm19265269plm.300.2022.10.24.10.20.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Oct 2022 10:20:59 -0700 (PDT) From: Kees Cook To: "Darrick J . Wong" Cc: Kees Cook , "Gustavo A. R. Silva" , Keith Packard , Francis Laniel , Daniel Axtens , Dan Williams , Vincenzo Frascino , Guenter Roeck , Daniel Vetter , Tadeusz Struk , Zorro Lang , Geert Uytterhoeven , Andy Shevchenko , Paolo Abeni , linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH v2 0/2] Introduce flexible array struct helpers Date: Mon, 24 Oct 2022 10:20:56 -0700 Message-Id: <20221024171848.never.522-kees@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=700; h=from:subject:message-id; bh=x8uV4aZZztVTmbVMfTDapI60PBgowK00+Q+TiPkLUcA=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBjVsl56wyNYJzpsbCQL6ohWRdrL8nrZWH1C9b0EBI3 /3hg+QaJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCY1bJeQAKCRCJcvTf3G3AJp3hD/ 9v0h2HOPT0KyV9Wj+/DDXGTNfp/v78T2NN4VTDIWF9kfNT6gT9udpBvDlL8pQHJOICxaNrYg5cgU9R cvDFc5ySXOydg+z588o2heFtR6qOFdJEINyeRVRD4ue22IHHNYcwhQo3P74c3p2C6ho69L8GWCv46P dEXF5lBV+0KCgbBa/YedDUOU1G0cM5G8axwJciEI0GW7Pum/EDLLp2WX0aUUKiYhuvI2EBIRrrLkjq fJ04uDNEh9LdMRsu/N0Tr0OLRuelhmfga6IIQ0isHJ01FNViYhutX7nOGUjSYnIVZA1Ctk37Fu+aB2 hz3i9i3jypYhLpk9PYhRA6JUq52rC98D3Gn+LKF9quKWkLOXrbCUIDAmlGU0P+dwokq77BYJN4QMjs kaNGQ/yqYXU43FnajQMtF8Pp8spcEn6WyVGLnAwz9WoQNa3f0VDD2SbJDEFpt3ZUFm9RTYAU1LlNzC m2kWPSwWkCsn28Swuw/r/zgh5T41RFP/xVn/fbq44PIbV3+VPnE52BO2z99U5CWHJlhKKBRY4+L1S4 KVjZhjG0SpfQP6pRURij0/JIM6vhDr2yF9KgJxZmPGVBUoXdLxGbD4uA9b+XR4ekc6EnbC4HFR8NX8 2G0TrY2OsBOkvoq7z9WNDVWW8pcUtwVLjfmYu0oD/h6rCTmiuteuImcFwYCw== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Here's a trimmed-down version of my original proposal, which just includes flex_cpy(), as this is needed by XFS. -Kees v2: only include flex_cpy(), leaving remaining helpers for the future v1: https://lore.kernel.org/all/20220504014440.3697851-1-keescook@chromium.org/ Kees Cook (2): Introduce flexible array struct helpers xfs: Use flex_cpy() to check extent copying fs/xfs/xfs_bmap_item.c | 7 +- include/linux/flex_array.h | 325 ++++++++++++++++++++++++++++++++++++ include/linux/string.h | 1 + include/uapi/linux/stddef.h | 14 ++ 4 files changed, 344 insertions(+), 3 deletions(-) create mode 100644 include/linux/flex_array.h -- 2.34.1