Message ID | 20210822075122.864511-3-keescook@chromium.org (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show
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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id x4sm784551pjq.20.2021.08.22.00.51.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Aug 2021 00:51:27 -0700 (PDT) From: Kees Cook <keescook@chromium.org> To: linux-kernel@vger.kernel.org Subject: [PATCH for-next 02/25] powerpc: Split memset() to avoid multi-field overflow Date: Sun, 22 Aug 2021 00:50:59 -0700 Message-Id: <20210822075122.864511-3-keescook@chromium.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210822075122.864511-1-keescook@chromium.org> References: <20210822075122.864511-1-keescook@chromium.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1383; h=from:subject; bh=fQWaTRNAnHwzjDX7zkAYJFkFU9dO7FLED20FxzY84uw=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBhIgH0nC39QXqUTtg73y7LwI1M2THJ6kxy1tIRNS78 0fFAH3qJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCYSIB9AAKCRCJcvTf3G3AJnv2D/ wObLbEonTkdJhW6C+/WSz4E6oGnBggzSnLMUS882u8jeYadM5HfcUGcFJ1IZoQ6kX6jFoodlo/qVnf lv6ENdcXT7oa5GLQDJd4zp1Un3jz2a3qKkKwRJJSPIvUcVqp9VUZniIeP+gfhhYaPISc6W1RDet5PU ROdHz5TDjq6eCQV5GY1zKOsKcoUcvC0OVslx6dQsCCfN8mKnM3iHXqaPAB7G5IuV403ICtdQhZvuJH FJuzCsKGcftKt80P0Zoel7L966sN/WwnqiHtjEj5Q4Ha+cpB4OZbMjB+2+M/jH0QC3oVuUo3AU3yj0 ok95VgvvkcJN0Htt9NFvC5AlZBlnB5QI8JUP8jSvS4z1ZL/G4JQLsEr1riP0klpc4IOAfStks3pI70 FKMswg8epOans0r7tNzpu4yUEjM53slyrCrPKvmlCkCQH6PZ9HpL5UeSdjvmKMkopb4mcKpOJKZpPV 2y8VLpuG0jg5g4hX+/itWAXGLAwnR7BX1ZxzgZ28P0SF6/C4DDHWrrDeF9XVdF9bcQkO4TLjui7wbi nL4Fc4wq+gL4gtVmXqAAe18gdYsilyD4H0XXHcga+xLL80dr04yJe/zWFZWwb7pCdm/o3CVYxCoA4Y oQBZ3nMgYoV4HF+OrXkF4vTxkiD1vjqS4oYPHI5RM0UIBNPZH+F7nsJ6feWg== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: Francis Laniel <laniel_francis@privacyrequired.com>, Kees Cook <keescook@chromium.org>, linux-mm@kvack.org, Wang Wensheng <wangwensheng4@huawei.com>, Rasmus Villemoes <linux@rasmusvillemoes.dk>, "Gustavo A. R. Silva" <gustavoars@kernel.org>, Qinglang Miao <miaoqinglang@huawei.com>, Hulk Robot <hulkci@huawei.com>, Daniel Micay <danielmicay@gmail.com>, linux-hardening@vger.kernel.org, clang-built-linux@googlegroups.com, David Gow <davidgow@google.com>, linuxppc-dev@lists.ozlabs.org, Bart Van Assche <bvanassche@acm.org> Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> |
Series |
[for-next,01/25] scsi: ibmvscsi: Avoid multi-field memset() overflow by aiming at srp
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Related | show |
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 94fb63a7b357..3e2b25ea58a3 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -848,7 +848,8 @@ int smu_queue_i2c(struct smu_i2c_cmd *cmd) cmd->read = cmd->info.devaddr & 0x01; switch(cmd->info.type) { case SMU_I2C_TRANSFER_SIMPLE: - memset(&cmd->info.sublen, 0, 4); + cmd->info.sublen = 0; + memset(cmd->info.subaddr, 0, sizeof(cmd->info.subaddr)); break; case SMU_I2C_TRANSFER_COMBINED: cmd->info.devaddr &= 0xfe;