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[198.0.35.241]) by smtp.gmail.com with ESMTPSA id ji12-20020a170903324c00b001c44489ee55sm3742718plb.273.2023.09.22.10.32.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:18 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Daniel Vetter , Xiaojian Du , Huang Rui , Kevin Wang , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Emma Anholt , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 1/9] drm/amd/pm: Annotate struct smu10_voltage_dependency_table with __counted_by Date: Fri, 22 Sep 2023 10:32:06 -0700 Message-Id: <20230922173216.3823169-1-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1712; i=keescook@chromium.org; h=from:subject; bh=kCvC5X4RJuHaoweqFnQ9xMUwIDOFINcpTmqcFOUOp9g=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+dzQGoS9m8Q71IG/SluCNIy0Np4uBUNCXIF 2oTBIaso6OJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PnQAKCRCJcvTf3G3A JjY9EACkZXMo7wzxY4THEhXZJmkYixLA2UlloTPXgPy8CvMUYiNLBwVLSqoh/h/5MhgdgB+pVHX gjEPVRbNLsQ1sMYLw31nppSpdtNmrx+qI2Xv8/FCIrTsOHuBoHSi+9nwoY2LW7IEx8xVxDORb01 i9WnFgRMl8JlxFCnGrKgYtrWpQVCGXMfpunpsPAAmh2g5Yfkoo8Yodegj0WGJdFnSQzp2irODLS 4fzO25EG9TH3jtCwjZItDt5m0cT8oO2gC1LVyKm/WXFfllivnEC967z9zUAtQtABdtjhtosOPHC 1jSJ119A0nTIyM6aLwtiK32qSZA2Of2ooijB8afmhRUb5Jb+iPKwLmRnvY+TycfX8U8VtGQBkbA PsbT82Qj4Qqirr4cuxGVW/oAnE7XDwMh8IEHMNP1n3XOmEtlx7TVlgUKL774++kkLb5/dO90oUm DGOwxoXK9G23PdRFLUZ82z/F0glCWWkDrqrmKUkcKnY7rdSxGYAapRKXY6YbnmQ3EA3hqkEBXtV Df/r+VTS0EiXZ6VrmE54NZ2HQTkIjn/3uMxtp2UVPqb2tn6zRXFLAI85C3NUtvV2TNniYKdU/mB V12ppntQS4AmfEbCBhZc3biSLzO4h5eErGTnBoeVzf8NDuINYiUgr2+IDcyvEE0XObVZcrukMxP e9S9RTOiaW+wWUw== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct smu10_voltage_depe= ndency_table. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Evan Quan Cc: Alex Deucher Cc: "Christian K=C3=B6nig" Cc: "Pan, Xinhui" Cc: David Airlie Cc: Daniel Vetter Cc: Xiaojian Du Cc: Huang Rui Cc: Kevin Wang Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Acked-by: Alex Deucher Reviewed-by: Gustavo A. R. Silva --- drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.h b/drivers= /gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.h index 808e0ecbe1f0..42adc2a3dcbc 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.h +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.h @@ -192,7 +192,7 @@ struct smu10_clock_voltage_dependency_record { =20 struct smu10_voltage_dependency_table { uint32_t count; - struct smu10_clock_voltage_dependency_record entries[]; + struct smu10_clock_voltage_dependency_record entries[] __counted_by(count= ); }; =20 struct smu10_clock_voltage_information { --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C494BCD4847 for ; Fri, 22 Sep 2023 17:33:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233375AbjIVRdE (ORCPT ); Fri, 22 Sep 2023 13:33:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233378AbjIVRch (ORCPT ); Fri, 22 Sep 2023 13:32:37 -0400 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 983FCE65 for ; Fri, 22 Sep 2023 10:32:20 -0700 (PDT) Received: by mail-pf1-x432.google.com with SMTP id d2e1a72fcca58-68cbbff84f6so2817032b3a.1 for ; Fri, 22 Sep 2023 10:32:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403939; x=1696008739; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=a+ctTEyoq7sOv+FAZHxESomcnOOr3ZQuAJoEIOqh0C4=; b=UuKce93VG0e+CnY0IZZgkXR9jc1srhHiQc0zcBceV/Y8SRRKORAd+jS47SNPyNuZK+ YyGDUbVOwNVgybxRxAn+woZAze0wwhsxXddnDLkx2zH1MeViSla+bx3AmAsJ6sFMqgRH xxxz6Y58dAWbpe9MY/dpIU+JCX8i9qNuhnU3A= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403939; x=1696008739; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=a+ctTEyoq7sOv+FAZHxESomcnOOr3ZQuAJoEIOqh0C4=; b=nGPjxs2U67GS0aU6pUUa3cdjMAoFjtPSWsOsHTJfHzsfBh5FULL7bzaj9RgH+i9mUP HpJIeqhMYe2m7C95sazZyVCx8iHMqiEIcaZ4seOkqcsIIEIhtthOIYzxUOjB+Asc/sbm R7aIwK9+Wzzz899gOavytoRLPkvz3/H4dONC1r7lqvarv9lSbj/i1RIbFJeqAI8i/LjZ h80tPGk6TFr61GP3krzvHFPl4dqqWJ695S9rxD3moDg1ex4uJ9uLAOa3ZmEwR+XVWwuX GKK4iBYYyKM9CKZ06Bk6yAFEQW4ixido2iBf5zm7Tr70avjJI7TbZfPQkv7PXM6XAXn6 CeQw== X-Gm-Message-State: AOJu0YztVHtHYYAyYRraRusC40QvJ649mVdBQPZ4Jx7kwn47vOih0vZr d3WvU08b0TagUMKYvtni9UyVKg== X-Google-Smtp-Source: AGHT+IGZINPrndYCPLa8pxZjQeyOixXkCQ4eVwDFgIj0jLODtLc8O+0pX1bYtili/8yHN3d3WOPJ2A== X-Received: by 2002:a05:6a20:7486:b0:159:c07d:66f0 with SMTP id p6-20020a056a20748600b00159c07d66f0mr394741pzd.6.1695403939647; Fri, 22 Sep 2023 10:32:19 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id y10-20020a62b50a000000b0064fd4a6b306sm3460263pfe.76.2023.09.22.10.32.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:19 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Daniel Vetter , Hawking Zhang , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Emma Anholt , Evan Quan , Xiaojian Du , Huang Rui , Kevin Wang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 2/9] drm/amdgpu/discovery: Annotate struct ip_hw_instance with __counted_by Date: Fri, 22 Sep 2023 10:32:07 -0700 Message-Id: <20230922173216.3823169-2-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=1428; i=keescook@chromium.org; h=from:subject; bh=i2UpbGfuADbvlbxlhkLDZa/xyj6FED75tdnO2fZlmjo=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+dEehHl9nbm4bhCFwpbMmpO3Xxql5kFxhRj Diayf24WdaJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PnQAKCRCJcvTf3G3A JvkkEACyRaaPJcAJJrT69OHPNJ7Sh8M7AKH2fzwSzceuPqxB6RysYYS6VR2iPdaDZg9zSS+vTbb fL60uv9o1ah81G8VJPhZppP9CtgmmA8a42Bpbs53luiTn/LGzycDXWPETOIgJGNsrJMgTFQyPMo 241VVShLmM8kxtLnJkLOnDZEqzjh4lSZG5ygNcH9YpR0LH3S9yhYSaBm0oamf3UpID1Xs/g89RE 2GjQlWgZzPdM7WCNcNNAIhK00fTWSD5DmnFGm50TziH8XWc8eGZZ2VknCk1GbO1UtJO7OW7lysZ dzxYyw9Eifo8NVwr14wp43rm0towIlCQv++/9z7OLpwblt6E0YNRNpTjv9DQV+xS5euSf4ETfjV IJ9vdSq6WjnidZkTBKdhROCuszJxRQ9b3HqXm169h7IYEdXvDeMvTQ2xgv9UwiFYpPlLImhrCYh r/oOkRSzfxf22LJvTsqX/WXIRpOCLm1gQa2ApJjyfzEXAegAaVehjC7856bxlgo+pE5tqm7PAvm JLb5hweD/O8L+7Tf7ij2oggZ9HmU2VGBIGVs0/EP7R6GeKLWO5KBBVa3/aADP01hJ2ZTfyjJsLl NqBiuVwLDZSWs6x18B1633XvJJtLwLIUg5eA8U/N4Q1qXUMezt3ySBuq4TSxO56Xod8iBUwzCfw TsBbpN+0JCLa/Ag== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct ip_hw_instance. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Alex Deucher Cc: "Christian K=C3=B6nig" Cc: "Pan, Xinhui" Cc: David Airlie Cc: Daniel Vetter Cc: Hawking Zhang Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Acked-by: Alex Deucher Reviewed-by: Gustavo A. R. Silva --- drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/dr= m/amd/amdgpu/amdgpu_discovery.c index d1bc7b212520..be4c97a3d7bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -662,7 +662,7 @@ struct ip_hw_instance { u8 harvest; =20 int num_base_addresses; - u32 base_addr[]; + u32 base_addr[] __counted_by(num_base_addresses); }; =20 struct ip_hw_id { --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67DC2CD4850 for ; Fri, 22 Sep 2023 17:33:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233546AbjIVRdU (ORCPT ); Fri, 22 Sep 2023 13:33:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233343AbjIVRcn (ORCPT ); Fri, 22 Sep 2023 13:32:43 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3A8210D5 for ; Fri, 22 Sep 2023 10:32:22 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id d9443c01a7336-1c3bd829b86so21494545ad.0 for ; Fri, 22 Sep 2023 10:32:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403942; x=1696008742; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Q96X+e6e2GphA8WEKNidppfkY54O3UO5SgYggFHsXis=; b=NPXZjHvy8DIF9H/py75WTffi2Hgh5VL59J+34EDw/TkjIkHlVAo9ft1lJdNvk/9wMH hL7loSmLXoRReiTt26X4GAAR61iCJktd1BKnqBm02fB8tNZ9apwCdgHK5HJFZ0n4fLBf HI3icySjCOqxel5ae4bHHr0ZpceA3GRXT/jqU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403942; x=1696008742; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Q96X+e6e2GphA8WEKNidppfkY54O3UO5SgYggFHsXis=; b=E+zMuSsSz/4L4KCFeiyYorQcJdKP0O+mtuehrD/tanfJTtncPPbzsZhwrRTfkaT/5x O7eTqhxhBe7TXdMjYOX7LK2EW8m72KitiWVQ3KwYNdmJ2RpSQlv9BNeyRd8jqtLOo4Qd hSXk9bi4s2MpwEmR4SL6vIAgAD/0ed4eZd8ajuMA5VAWsI77m2dBF3LUay5VSeGptIPv 43cp2YeHgdem9GWpgtZhDxXB/RpB20Wvzcmguvh5b861YFhy6rikh2T8DeLSG5q0rl2J WG6T93YnoF9Wg8rkK5vHUWPfclNXYuJdP3LscCvS+POSVrSm9SspLGRGsJrH35mQrkZY cypA== X-Gm-Message-State: AOJu0Yz0bMnbcr+NEyIfxhwwW57LKVWjCU6ArzLiQ5batskLsrPzsAE+ F48m+BUPk25uAmGWQ3ebmZtgXg== X-Google-Smtp-Source: AGHT+IGAxXQtNJ8nl1p3a9LhlKf8DFrSzgWUu5f+sJxoG9OHUQ6hTEmo2fNcrqkYhNmsZiKz4XPh9A== X-Received: by 2002:a17:902:e843:b0:1c5:69fa:23e9 with SMTP id t3-20020a170902e84300b001c569fa23e9mr100975plg.58.1695403941990; Fri, 22 Sep 2023 10:32:21 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id p11-20020a170902eacb00b001bf5c12e9fesm3758147pld.125.2023.09.22.10.32.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:19 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Daniel Vetter , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Emma Anholt , Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 3/9] drm/i915/selftests: Annotate struct perf_series with __counted_by Date: Fri, 22 Sep 2023 10:32:08 -0700 Message-Id: <20230922173216.3823169-3-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1705; i=keescook@chromium.org; h=from:subject; bh=SbNV7tt6Hho3aemFjM+WsFyDqpMFvSNtroJg7EF/6LY=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+e99M+BFyGmat9Yjgpanw6UekhSMQhhAVfe PzecbdVf2uJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JhPmD/oDoTfSn61jeN+hZ6qtbqMVL0umbxgqdZnXY/WBbLuBKV20tcaMAcUgkDgD7IZTf9vLT7N QvsK/I3NzdeyXN9KRjg9P26c5TGRnuFhT5ow/Mmpjw2ZfwY/adYsynGhgMsY1zCzocr9Klih2M5 ONqETCgHopA10PwXUTZcfeylbqK62rRaYAWtkuoi0RcYjB0ba0MiguwtlB6nrG6fwv2owEKE9yZ q2M6NVTsjfrdnESUtkpr+ZQMSdTP4DYj6WZCs8PEing/sqS9G43U/93adZtoUdXHfx6OIvtf4kR QVJDI5f2FtS/OLpfsJPETvUFATNLl9zt+qYEEI6Xo/nwVAIDi10lef4gFjjLtPRlK+1R5w0hwDl vKJUW0WgT4cnNhXnSosMUxrlYOzDiiFUv22K7MRCjwllhPuoEqIvmEu2skXTbfOi++COJZQENGW mjr4E/cj8Pue9+KM7OxnSvfWccW9jLZfobZ+Mt3QO0uwzIKFw3tbN6roSBWKQjPzGVWZBhoB7P/ YBx8LyLPlIme4RIAinnRTvKcRBVmPKq0z5qb+ZrfdbS5SyUax0buA8IufSmAFbFNMVWiehiR7kj m3qIzz42RIlit5ahExdpEPXkGeqqxLI86EouMV1p14sfdA6bPnL2FdLAyVYLHh92VJ7BRKvGmB7 gVsy2dUkMQ94AOw== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct perf_series. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Jani Nikula Cc: Joonas Lahtinen Cc: Rodrigo Vivi Cc: Tvrtko Ursulin Cc: David Airlie Cc: Daniel Vetter Cc: Chris Wilson Cc: John Harrison Cc: Andi Shyti Cc: Matthew Brost Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Andi Shyti =20 Reviewed-by: Andrzej Hajda Reviewed-by: Gustavo A. R. Silva --- drivers/gpu/drm/i915/selftests/i915_request.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/dr= m/i915/selftests/i915_request.c index a9b79888c193..acae30a04a94 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -1924,7 +1924,7 @@ struct perf_stats { struct perf_series { struct drm_i915_private *i915; unsigned int nengines; - struct intel_context *ce[]; + struct intel_context *ce[] __counted_by(nengines); }; =20 static int cmp_u32(const void *A, const void *B) --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7E28CD484C for ; Fri, 22 Sep 2023 17:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233192AbjIVRdQ (ORCPT ); Fri, 22 Sep 2023 13:33:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233449AbjIVRck (ORCPT ); Fri, 22 Sep 2023 13:32:40 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7903F10CC for ; Fri, 22 Sep 2023 10:32:22 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id d9443c01a7336-1c465d59719so20697615ad.1 for ; Fri, 22 Sep 2023 10:32:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403941; x=1696008741; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wWOiU92ExO1tEuVJ2ItejZKQh8uiQWENZYmfi07W000=; b=JeGuage/XRPpc10At0lUzGhPQbAFlcAZX7wIxfVxlKoIxOhmhgbH4AVVfBzrHqzNZy lA0OMDy2yGlHJuhAd40L6xTJAvmD16UdexOnZQRZOxGAS5Y6J88fe49OHgEl9Ts3xnSC UjORYZrwp0VYU/JvjeE7KlxxJzXPS00f1KuTk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403941; x=1696008741; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wWOiU92ExO1tEuVJ2ItejZKQh8uiQWENZYmfi07W000=; b=pRO44rzu6sSRQziqO8DOSca5d+LdofawkRx4p6mBUKw+voQsgQC+YfqqgVv88coSwv 8KUyT5hBY6uB3RaFHplX62TqVh1HmIcTIlxFK2H8Q6CUmfEZeNgXIngYFRbnQVAHhzGH yzRVgikEMbXVz8cE2UIAbxQg3mX0zLhWtTFVofPOCPLYFd3JOzIemxxW62mJByOYxZO0 QlvjFAfvH8YbZjXvAajioFf8U0cwJ0y/IdMvJIehPosX4ITiCBDDKXNT1maxvBjBhBkr kbFmvlfkJ7B/O3IOcrUGrzX7fPvYRYExbMUEGlrKnEyphzXAC1Oh74xWYm8n9jPnSfQz TM2g== X-Gm-Message-State: AOJu0YxhXkWnkFs/d1OqIyIdg1S67VU30XIUWAmFcb8nXcSwtBpWIzuL iHcKi8z/Bhras321e1bJkcigUpaiUMtd9mBg5H0= X-Google-Smtp-Source: AGHT+IHAWZxxxMwog0RsNTP3ViEwRcOmpj3co35u4pASeilOSErwEjBP6JitkXMrTa/N4OpgVNA/Tg== X-Received: by 2002:a17:903:2281:b0:1c3:bc2a:f6b4 with SMTP id b1-20020a170903228100b001c3bc2af6b4mr173767plh.42.1695403941600; Fri, 22 Sep 2023 10:32:21 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id y18-20020a1709027c9200b001c5de42c185sm2815588pll.253.2023.09.22.10.32.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:19 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Daniel Vetter , Bjorn Andersson , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Emma Anholt , Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 4/9] drm/msm/dpu: Annotate struct dpu_hw_intr with __counted_by Date: Fri, 22 Sep 2023 10:32:09 -0700 Message-Id: <20230922173216.3823169-4-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1561; i=keescook@chromium.org; h=from:subject; bh=xDkJWau6qmNIlEczl2n21zh31yaWnnGb4ZbtRzkDM5w=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+eutUHe9SLnXaUpaJySdpFne687ECfxzj9x c9gWcqZLYaJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JjnbD/9OQiE+N5TDN74IQPEo9SgzH0oAvZBxcgjjWQ+yn1SxoSDB5LIrgeGtiyQGvx7BYlpt+Mk MT5bPfHehA9na7K4kzqg9quYRtDWvIN27rP/uwZxsg6q5pZKW93YRamZq1G+itcAKW6RA20Gl5L oXzlXw8xjsnhIYhIM57Pko4wOg7e7p9M1OFiWoZvPmi3jXsn0iVx99yrPXIgM7uK4j+SGaJVO/e Db6B/ovadEGxmj6A5SpZjflvdzGUHbCnD/wxy8R6PCGroCHj+rG2bB4Bzu1Bz+aXu2YhIKPBoAr CfA7YAuzv8p7/Dy4rMzzOl1WMQu/T5Rh5tIJo2Eg44ksRdJK4w4OJBgr+8wPd1dntiatR4Ulsgn ZfRzuaLWVaPb+FcgFpd7LGX/chEK+f5iu5eFguQ8F1ZvI4wUYZ1dYV0HliOOkBFszZQ42WITuND M88ZKBxyD4ccXy0nUhHCMZsLs9jr152hzbB82sQrCyl+qJ7p0yYLaHOjzT6CRZvzNUXk0DrXNdf cM+AdoWXZHFWhEsT+HLVIWg+oEAfqN+3W2w08etC077cqQ4Kj366BbtIh2HIlNX7LYF3uztip5O Cy/EA3VNLkh7U/Gwv7/PDy6HCSs6sJ32cEGquxZ7iLKQf7SPjcZHlBvml7AJOep9Fs2EukYfNDz 1KplYtpYhU7H+uA== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct dpu_hw_intr. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Rob Clark Cc: Abhinav Kumar Cc: Dmitry Baryshkov Cc: Sean Paul Cc: Marijn Suijten Cc: David Airlie Cc: Daniel Vetter Cc: Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h b/drivers/gp= u/drm/msm/disp/dpu1/dpu_hw_interrupts.h index dab761e54863..50cf9523d367 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h @@ -61,7 +61,7 @@ struct dpu_hw_intr { void (*cb)(void *arg, int irq_idx); void *arg; atomic_t count; - } irq_tbl[]; + } irq_tbl[] __counted_by(total_irqs); }; =20 /** --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9345ACD4847 for ; Fri, 22 Sep 2023 17:33:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233025AbjIVRd1 (ORCPT ); Fri, 22 Sep 2023 13:33:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233393AbjIVRct (ORCPT ); Fri, 22 Sep 2023 13:32:49 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6103A10F5 for ; Fri, 22 Sep 2023 10:32:26 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id d9443c01a7336-1c5c91bec75so20690955ad.3 for ; Fri, 22 Sep 2023 10:32:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403946; x=1696008746; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uxN1BE4ZHdJI3Tb4/0aUqoFzscF/JkAVA7bHFE5N/Lw=; b=G+xjVkf1tzSjDJXOAVjx6KbdwBQzqMxl9nrx/vCYEJHW52/9DvnRkzHDDU+GMvpwYx HCFPHbZkFRNyjeMVz8+FZR+y7AVWphPTBICePUUmyKjKPLYeriLvZ7BmnithrpHByF8O lfxl8IWNcXgLVFm0HZvyPYNhYzbj2KWhO+M+o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403946; x=1696008746; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uxN1BE4ZHdJI3Tb4/0aUqoFzscF/JkAVA7bHFE5N/Lw=; b=B3gb1Q6ywJgoihDjk0glz6yu3l6NKF8eyeMdOPmAxHlBvsEw2GFD56r8Bmh9psj3Jd 5M8lA77bpu5iMu0eRRe7ZGkoBkCHfSfccwGmTE7fcTDBTDobFk5eQZChH6ktrsWNaMhV xrvmwiJ2xULCy7/qAvh2hQfj8sElitGFOkAsKbPZ+kCZFc4P28MvEXhO1FsduxKMUX+8 zqF0k3okLEIntO9DgJC8w/lgbjtOvjb/L09kjlji3FzKbZXWG4edX2INJTlja9JtbRsH gvgWuKsaMlafzIdFnYSv/zw2yT6W/yHepiszqdTaktmhsnhtYNGbpvhcxXHVlyMx4pDs 76Uw== X-Gm-Message-State: AOJu0Yyc3JvvprsaoUGuKilqNMd2JK0aTpEN6n2qzEQXj7cJGV3KAPTi zhxFfkZ0XbonRxmlUL51jsUvcg== X-Google-Smtp-Source: AGHT+IHpTYtMLZljw3Sh/2pMQIX0En+h4Su4SNUMi3DNa2iGY9L/q/V/+eQtx1KiOAmrYJVdnVJEjw== X-Received: by 2002:a17:902:a40c:b0:1c3:3c91:61cc with SMTP id p12-20020a170902a40c00b001c33c9161ccmr147291plq.13.1695403945727; Fri, 22 Sep 2023 10:32:25 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id l16-20020a170903245000b001bdb0483e65sm3738592pls.265.2023.09.22.10.32.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:22 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Ben Skeggs , Karol Herbst , Lyude Paul , Daniel Vetter , dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, Emma Anholt , Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 5/9] drm/nouveau/pm: Annotate struct nvkm_perfdom with __counted_by Date: Fri, 22 Sep 2023 10:32:10 -0700 Message-Id: <20230922173216.3823169-5-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1371; i=keescook@chromium.org; h=from:subject; bh=IPCNKuct38YwTzB2zIOXZz855pzU163uvmhflCBSQWQ=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+ePLJ5Y9ji0102KrPkzSXaeWKfcfISds5DF aJ14tx1Y4aJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JtXrD/0RXHf3wSRStY2vqlZH/um0jQPMLbKbehlFgssNmiWNKLGOpr9br8S3vwu1QvHGz1HXrqy ek4gD5gpWq9HZI5TJ2S0ATi0PCNLJBhXIuhc34RvAQY4zFQ3xDP1+U9nxWirglYoYpY8M62/YSo B0HX0gFwkDnSKjEiTZRLqLNrHJ2uDlJPrCaCz4/eG9EdAXU5odsdQXdC9MXbzm7VxjwSRLgFwVK GHLJXusf7Ruisahsoa0m9dY0LDoKPcUPSm6nZyyulGzjj8O7nZD5mkW5LmE3acjay9ccGO6xVQV CEmQ8fU5KxWIXh39kd9vqnEzf3cWZgF/XottaJZSmQfT1Ch1cecAsaQT61aXa0XgwnSoBRR1Adm pc0Dq6V8Dq2SSnL3qijLYnz0JJZIxQ2Vea1R0y83xCcXxYu29UWHu78xEIII3D5O3DQH7LTIFRk 64XrJvEWliQkDVEjTU9AAQ1DmI0+XI32xp59hVd2qxbLXVzaJbyW96YRrwk0Z8tybyQKuBGbl+N UjYgjPXkrQlaLwdvsSB5hxsSwDYFtZYt+C8rKOWeJuWm6hWS/WNw8to6mNAPP2UcQkbXemA4N1n LDw+BMjjOgfNdMdxGQwv3iqnBs5Ov3VImnlMxKxr+X4ixt4v0594/VlXa7PXU40u430EsrX9Bgl 2ggHJiZsUawsmBg== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct nvkm_perfdom. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Ben Skeggs Cc: Karol Herbst Cc: Lyude Paul Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva Reviewed-by: Lyude Paul --- drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h b/drivers/gpu/dr= m/nouveau/nvkm/engine/pm/priv.h index 6ae25d3e7f45..c011227f7052 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h @@ -82,7 +82,7 @@ struct nvkm_perfdom { u8 mode; u32 clk; u16 signal_nr; - struct nvkm_perfsig signal[]; + struct nvkm_perfsig signal[] __counted_by(signal_nr); }; =20 struct nvkm_funcdom { --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E79A7CD4847 for ; Fri, 22 Sep 2023 17:33:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233083AbjIVRdX (ORCPT ); Fri, 22 Sep 2023 13:33:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233176AbjIVRcr (ORCPT ); Fri, 22 Sep 2023 13:32:47 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A19ECFC for ; Fri, 22 Sep 2023 10:32:24 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-1c1ff5b741cso22793885ad.2 for ; Fri, 22 Sep 2023 10:32:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403944; x=1696008744; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0+TspM6FqnyWCQqgdT3WqLoCMBUMYLUrvB7POKzIF40=; b=FCq3PIT3w40R5PU6BHA+wllkS5eBw780rg5jc3kJhpk72bmDVp1nfTKqc+uIKQ6ZLK LIqyxjO0cU1BbM4E8UxPiKjmC3wul/Cnh5VU5m02whkK7qL+eDDzDGDdkbW7UuxC7s9i Sgn1S2DF5xuYZyWAPBkYsCa6Hwixaey4/kPfs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403944; x=1696008744; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0+TspM6FqnyWCQqgdT3WqLoCMBUMYLUrvB7POKzIF40=; b=ETUIvPQ8Xju2jTHzKsmuyhKsu+S4eMMNzlFdFUMTJOs9Til/axYhOI1TyRdqTFN5bz MkgJcVYJJu9mduI6Q0M946FaovoZHCg6IILMznjISOe68iaCe8C5KjEKwKgPCAb/5hoC FJnUofKa0u+U+O9FOh30qFWJNLY7V4Q7eGcpAaweatJien4FNlhdcpAzY/y+2xVoS3c7 /zs92XB2aC/T9s5NmMMrJ/UxsyH8c/8k8a/Kc2cIQG7DXO57+qodFHY2wyFch1fonuVA /Od2wk4lJC8J2yFcKm8bOO31jYgCXK9zcZlOX1HkC96C60y9Pyh8x4G5wWNzWgL2iI8k 6Mwg== X-Gm-Message-State: AOJu0Yy6Xl7aHNtThb8yFzjsKw/U/BJNOyySmHGgl1gZrQj2T3rI7jt5 n56KVbtQKeuYvnAUpBZw03HW0Q== X-Google-Smtp-Source: AGHT+IGoWrCMiIuu7KExcAv3+ywK9ioEK2Ho6Om1m8erIer43xxpBCwsseFxuf5h8eNk+cjCcCcgZg== X-Received: by 2002:a17:90a:a095:b0:26b:e27:8bc2 with SMTP id r21-20020a17090aa09500b0026b0e278bc2mr327022pjp.45.1695403944421; Fri, 22 Sep 2023 10:32:24 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id a11-20020a17090abe0b00b00271c5811019sm3479258pjs.38.2023.09.22.10.32.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:22 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Emma Anholt , Maxime Ripard , Daniel Vetter , dri-devel@lists.freedesktop.org, Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 6/9] drm/vc4: Annotate struct vc4_perfmon with __counted_by Date: Fri, 22 Sep 2023 10:32:11 -0700 Message-Id: <20230922173216.3823169-6-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1277; i=keescook@chromium.org; h=from:subject; bh=4ERTESaqnYz8ImDqyHPyzXy0AuquVom9vq+hq0gy89g=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+eg2zdwhFFl6K23RVdCG+VU9OV+t2/BviGN QnAc1heAtyJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JvO0D/4+c0QkeKEEEd/HWEG0VvFv4kIlOeqfDMOPwJ1QkN1jVwlbiQVdn9lWjRgUq77jqzdpagc 0e9qirU7jL0cbTe+JOBsFEQkZYwnIV0EUxV5Wb9g3csLF1vPRQafhR8984UzEKRtulAS9kQTSMT xYBkkYy+pbMJZNux38iCGgJFdWD057RPEazeM0Aatd5kaNk0HGNFRG/lz7HPcD9XIged7BCjFe4 O5fJlM/WnYAAAK2cZn9AtONFzhR65gyQwb4pt0CXxC/kBS6pb6GBT8V9AsVWH8zu6CsMIVjafAT OdJEF/tJGI7jp48gN51zXgv1VAdOAJOLBc/kciYavjyryrGgXYANueMuiXx+r42kxUG0yZkO3/X uq+N33+UiId1hMftODv6WGPcCbwFJtgAfev1bfSRgKYiKQyjWPcbW5NPGeYVKKsvsew1qqGZWpN ASd96EwnB4kIHBeIp1k14aTdlgBVRePuuE2Vrf/gjb9uTNMh605/Yq2hNu83sG0S0fKskR2pH6r /VbQ9GYa6Dm3r4bYE6S0RRzMROjl3MXFBv4R99QF1UUF4V4iGgkcUUE3tdB+iCxIW1I5SuGR620 4ajKmF3Z9xPkw56NlVdKBjnhCKGSlHNQv+Rh5xh0IeFJzR6f8SO8/u45ADDZHCkCqxoc7tiLP68 zupfltyyH8r66bw== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct vc4_perfmon. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Emma Anholt Cc: Maxime Ripard Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva --- drivers/gpu/drm/vc4/vc4_drv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index bf66499765fb..ab61e96e7e14 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -76,7 +76,7 @@ struct vc4_perfmon { * Note that counter values can't be reset, but you can fake a reset by * destroying the perfmon and creating a new one. */ - u64 counters[]; + u64 counters[] __counted_by(ncounters); }; =20 struct vc4_dev { --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7C98CD484A for ; Fri, 22 Sep 2023 17:33:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233393AbjIVRda (ORCPT ); Fri, 22 Sep 2023 13:33:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233406AbjIVRcu (ORCPT ); Fri, 22 Sep 2023 13:32:50 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8589810F7 for ; Fri, 22 Sep 2023 10:32:26 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id d9443c01a7336-1c44c7dbaf9so22020425ad.1 for ; Fri, 22 Sep 2023 10:32:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403946; x=1696008746; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=WTtgeSpUdLuurLr/un8bnu1axQ+1dpOqA/3ccL3TFAo=; b=RiZkqDxwPqiamDEPM6ALZ/ULcNxNIdY6CQequLRSq3ojpcEsCci+2dR63iJs3wo6RE GJ3QlvFt+RKQNkbJ3UyedpBTu/UuHhh3EgZ1agWpoJWL36PIZNAGaspCHfZCVFycCgUf D2cCaxVOgYQQLzqIfu+edsJpHoI8JOcJoduIc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403946; x=1696008746; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=WTtgeSpUdLuurLr/un8bnu1axQ+1dpOqA/3ccL3TFAo=; b=hfGU1ryMtE1qxbbI/KFu95GKTCcrx3o4gLf2mHiUUH1K6DBD3LT8CV81TfAdygA5Q1 mC8HQUV7OIzGeeOOwDdhvyzJtNeav7Md7lMh1G/DFE/2xm2UbMUHycEQo2ffGtBJog5o 1ydTSHqystDZHvIrtHp7gOBZ7yXHgsbUvZMnwq62DL8m5S6H5OkvVl0ZgNwjUgBJqU5v l2ukILIgbN459QhpRJ3oYxP3lK3KcJ6/NPJM4GoR68hrQyMyg0KTAbJTAntuQBxW95H7 m+wYkrE8Yz2koAMSA+hSAbSu1/54Xo7LWjRC0m167Y2BnupaeSUMyS70XVFtxJ8l0EB6 lccw== X-Gm-Message-State: AOJu0YwaGu0tFE74f5qddmLjOWrdQk2k/7qbUoPin9p3DR80BWqiEdfF mm7lmV1KcoonyrPJmZrmULT7zw== X-Google-Smtp-Source: AGHT+IE4NKtjB8q0iCY5uRpFdVHfLGOGnUW9ndbQ3iwuIKZUl+ACrzobHns1ItGFQZS667ZYOrI2ZA== X-Received: by 2002:a17:902:6944:b0:1bc:c82:9368 with SMTP id k4-20020a170902694400b001bc0c829368mr112509plt.32.1695403945964; Fri, 22 Sep 2023 10:32:25 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id y3-20020a170902864300b001b0358848b0sm3747353plt.161.2023.09.22.10.32.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:22 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, Emma Anholt , Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , Zack Rusin , VMware Graphics Reviewers , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 7/9] drm/virtio: Annotate struct virtio_gpu_object_array with __counted_by Date: Fri, 22 Sep 2023 10:32:12 -0700 Message-Id: <20230922173216.3823169-7-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1417; i=keescook@chromium.org; h=from:subject; bh=eZm0aznK0m8B2PZ9kKPoriymoURbDsQWuTqSiG5Zn6g=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+ecN7AHVyI0F/T2hAcEM09nm5XXW5LLfQTE HSHvLmbqbqJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JmrOD/wOpyQVRHrGQGo8XfD5jMBVmYMEWa7mtPz8TQHyKwul0h4DAnDuY1syEElYvTvb0qCuTg6 YHpqfYbVJonRUjUd83cqsdEqsNMRkx8ryd+FwIwDMcHFmp3kEWfg5s9zyJpQlhMbIA8qRhFRzp6 1nctWnxSwK5Y+R6FATebIjhT9U2Y8CD6khRnkG9NQuimrbhgcl/f447wIiYiu5X7idIzuMwSDFR Prf1JJwDz4YkxahRTnX8WrJXhYUDJjWqyw7MOMkMW6ybVBIL8ie1WLAZlKfuNoq/ypItBU4eAMz +BDqWKau3tdzcpK42SAJNB9SVOIvsM8EHP5boshP1NmOAEdUKG8SXMJr6bbYAfFt/Zdk5ZmYfpJ Yxipt98I+ZRxsbNFS4Y+4kVDYW0QBySazXXvWa8U736thID88na3V/aHvwB4Ql0tKp5Mk3oaHjZ VIJkT0hMJ0c+tnjLvg6pHMeQM7yKNB+s0mGuL84RFj6OyWPATVyWvcrsQ/dAxuy53EitcBlWyzG OhHlG4pbiUAIcoN9Kju8k9tthCpSQohkyEr1pwg2o2OfnyfTD7GoFuTt85RlHxHFcx2PYl1nV2x FeRCY+2qIpNwX19xvQ8Lx3Vt8SeFDNnJWY5M6UFCEs1Kyk4337zXOTTH+xiGEYKfZpRPhfZZ+7Z CzpyiCN8tLdjdOg== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct virtio_gpu_object_= array. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: David Airlie Cc: Gerd Hoffmann Cc: Gurchetan Singh Cc: Chia-I Wu Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Cc: virtualization@lists.linux-foundation.org Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva --- drivers/gpu/drm/virtio/virtgpu_drv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/= virtgpu_drv.h index 8513b671f871..96365a772f77 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -119,7 +119,7 @@ struct virtio_gpu_object_array { struct ww_acquire_ctx ticket; struct list_head next; u32 nents, total; - struct drm_gem_object *objs[]; + struct drm_gem_object *objs[] __counted_by(total); }; =20 struct virtio_gpu_vbuffer; --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BED83CD484D for ; Fri, 22 Sep 2023 17:42:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232702AbjIVRmZ (ORCPT ); Fri, 22 Sep 2023 13:42:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231843AbjIVRmW (ORCPT ); Fri, 22 Sep 2023 13:42:22 -0400 Received: from mail-oo1-xc36.google.com (mail-oo1-xc36.google.com [IPv6:2607:f8b0:4864:20::c36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E05899 for ; Fri, 22 Sep 2023 10:42:14 -0700 (PDT) Received: by mail-oo1-xc36.google.com with SMTP id 006d021491bc7-57361de8878so1297140eaf.0 for ; Fri, 22 Sep 2023 10:42:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695404534; x=1696009334; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=aju3+JSf6eGUIv+LcbKwNlrE4eQbXi+VM+zVoGclrt0=; b=IDfbgNZxe2wGlp4dphr/NIwpb4Fi76oZ7dicLJyK52GUDOJHBljWuoM57DtqMU8D99 /h/Wacf72gDdfu3yT02N28QDBV0T9WEWPBQ5yXu+yn21FnrGegWRODzOx0Du1iPPfiiU bJL0ZqTYwM7reW2uU+qFUManJ2FRY9z+hrBQY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695404534; x=1696009334; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aju3+JSf6eGUIv+LcbKwNlrE4eQbXi+VM+zVoGclrt0=; b=EHgN7n6pBOMiZfFSQzIVYV92rLh3vKjjuk+YSDXUayCUnGV4LbVQ+FHcGvBPKUC0mr 994XLSIHykJdmSSEEeyUW7kgvb/H0zm00qr4PNAYDxyXvx666NYlsZ9EuHwLxRYNfsVa cOeh6U/AyUgZN/VCBrih3ZV5ebFZ/RngckRggs2l+l94+yIR+iyGICLPRO1U9H3NmnNa dVMEEoy+Hhv6e4TjYN1t8Hyu/SO2oF1u29+PBdNNC5nflkpGx4qn1fozeTd5DtXKicKl l/N390rijoN/dJU9brxEvJnxtg95ACoLb4DJqEkBwT/vtEtlq/tDf6Knej1oztTjv36G Gucw== X-Gm-Message-State: AOJu0YypCHWp2t/ega9SJQRYlyUXFC6F0Q4N2KDP3W58nS5lUQw3ljdO Z1CLTgSh73xRAHpHUjltitL9qw== X-Google-Smtp-Source: AGHT+IEB7Uya0pjQSb5rvbW6cOeUYseQfbC+/qu/95o4dNfLB8KpYlxWTd9ON1NPF1LX/xhEFubnCA== X-Received: by 2002:a05:6358:5906:b0:143:935a:a096 with SMTP id g6-20020a056358590600b00143935aa096mr389953rwf.2.1695404533707; Fri, 22 Sep 2023 10:42:13 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id y10-20020a63b50a000000b0057412d84d25sm3385998pge.4.2023.09.22.10.42.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:42:13 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Zack Rusin , VMware Graphics Reviewers , Daniel Vetter , dri-devel@lists.freedesktop.org, Emma Anholt , Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Melissa Wen , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 8/9] drm/vmwgfx: Annotate struct vmw_surface_dirty with __counted_by Date: Fri, 22 Sep 2023 10:32:13 -0700 Message-Id: <20230922173216.3823169-8-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1369; i=keescook@chromium.org; h=from:subject; bh=arqXb+Ta6Sc7/P6cgbiuTW33qm7tl3AbrpWLIpWMOrs=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+eMheJSZWlkxEjVkQYSxOb48cD+nN4OVb7V LKQ+3uUqo6JAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JrX8D/4u4mGTNY0H31raYIAy39e0MQyr+8F7lCaJtmz2p55bHTGxLREiFkYdiEpuailORE0wwsW BdlQDhRjLTf2KU9T7kldf6gcsBqFx5GS03UQDFirRowApSq5fh8IhxpEuGCuARDeUQrxNtmKCN0 kN+bcH9BoSyxbEJQzpBBCbp5RMSt4XXDDkDi3oSsbZuZRkPmbszcp8iXrqUoFv7S/Vb8X5tGSRw nMO+fGglPvpNerLuaODEVbqAcj6XsI5FnEUPAbqIRdOyr/vAf4ZrHXXTeukSN6uOcb1w6XAw9GC 4wnO7W4eW8CaLB6Kn2OhET6y8+h69ft05VnFFrnCTVxxJScjLTXrSCCsV544YFnE9eWFcjVivpW F3KuWexvi43Nc986ga140ka16uCaP//Thnt3s311iQsr5hvWJH4fkl32zdBPXWCwGX4ceRWSch2 JEogxta26Yvy5CIJRHdU1z5humCdNzFVvMxbgMwQIRSKyKG1M7mMT/nBOIMfytjgY8S0vaBALVu EciVOC1nl86GXTm1b+MB9R8ZKZyOZPrX7vK8PyRCASDUnCN/37sg23Cq5Aqn4UUJ+sZeFPAF+11 o0r5FyrPrmPW3O3hQUprUGrQsd68XMRpXTFcnKOPsEaG9G23VqHiDSPPILF+sczZ20HKQ+LMyhP 63vfZbPCZqHgx8g== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct vmw_surface_dirty. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Zack Rusin Cc: VMware Graphics Reviewers Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Gustavo A. R. Silva Reviewed-by: Zack Rusin --- drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwg= fx/vmwgfx_surface.c index 5db403ee8261..2d1d857f99ae 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -77,7 +77,7 @@ struct vmw_surface_offset { struct vmw_surface_dirty { struct vmw_surface_cache cache; u32 num_subres; - SVGA3dBox boxes[]; + SVGA3dBox boxes[] __counted_by(num_subres); }; =20 static void vmw_user_surface_free(struct vmw_resource *res); --=20 2.34.1 From nobody Tue Dec 16 03:19:49 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39C3DCD4846 for ; Fri, 22 Sep 2023 17:33:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232987AbjIVRdl (ORCPT ); Fri, 22 Sep 2023 13:33:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233452AbjIVRcw (ORCPT ); Fri, 22 Sep 2023 13:32:52 -0400 Received: from mail-pl1-x634.google.com (mail-pl1-x634.google.com [IPv6:2607:f8b0:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6B87CC7 for ; Fri, 22 Sep 2023 10:32:27 -0700 (PDT) Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-1c465d59719so20699515ad.1 for ; Fri, 22 Sep 2023 10:32:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1695403947; x=1696008747; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=gDHDeV42Frwj7XYTpJqGl5ND8N8KbUFLGf1moqK0weE=; b=ba1nxS/RqQHudZO4/x3fannYl8NGDAPfxRiqZFu3wSv2oJcnNc9A/3yciGOdP3JbwZ v4WVBTBbRBwcsS0i16jxBNbjUAsLJigQwnBtmwlklDwOVaz1dW3l875ih6BrEIj3GH50 LSlMP23XgZd3+7BZDEjx/cnfCqOV14b7g59NQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695403947; x=1696008747; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gDHDeV42Frwj7XYTpJqGl5ND8N8KbUFLGf1moqK0weE=; b=oOPgpEKR7YYCeii+npI0LkAzimVBFGKgTBXjhDZ6TfNMqtFWLYEwsOWaTA+0DPjqSx YNNYOtu2fPVsCFvqvoYjMsCAhmNOs2eRXsOnaDVKaF4++LQ2yrrjJia1YM12CMUr6SKG XEziiIV2bznCUH4mS5hCqEV7DSs/cXuDr9KFchgsdZOLCcxJ8uveoXSR7LKIPOQUdBDC dsmFO17F/bsRqSAl8eZs+1uPt/XPUhtfFYrbPDxt1Ke0hiH15Xv3l7eDmPcQxSZRK9Kv UrfJzmNva9FlvRHozAMOCTgQGMpE2ZFlvdzjP5ICTTFJSXKt26xgQPojI4kmsMeBoR4R CY8A== X-Gm-Message-State: AOJu0YwgEHVcvTzSxsLF6IkyGhjojfIOua++/rWMhEVqi7OauvOkaojC 1TgPuI2YLEr4nPryvguZyVG4uw== X-Google-Smtp-Source: AGHT+IEC3lNqd6k67JPujYxNrx9QHnlj6kWd/En5u8yIwMg5BjeP/3s86llo86YUSFuXOu6sjLAyYg== X-Received: by 2002:a17:902:e802:b0:1c5:efd1:82b6 with SMTP id u2-20020a170902e80200b001c5efd182b6mr188724plg.30.1695403947353; Fri, 22 Sep 2023 10:32:27 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id x4-20020a170902ec8400b001c5f62a639asm67076plg.196.2023.09.22.10.32.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Sep 2023 10:32:25 -0700 (PDT) From: Kees Cook To: David Airlie Cc: Kees Cook , Emma Anholt , Melissa Wen , Daniel Vetter , dri-devel@lists.freedesktop.org, Evan Quan , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , Xiaojian Du , Huang Rui , Kevin Wang , Hawking Zhang , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Chris Wilson , John Harrison , Andi Shyti , Matthew Brost , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , Bjorn Andersson , Ben Skeggs , Karol Herbst , Lyude Paul , Maxime Ripard , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Zack Rusin , VMware Graphics Reviewers , Nathan Chancellor , Nick Desaulniers , Tom Rix , Le Ma , Lijo Lazar , Yifan Zhang , Prike Liang , Lang Yu , Tejas Upadhyay , Nirmoy Das , Andrzej Hajda , Neil Armstrong , Kuogee Hsieh , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, virtualization@lists.linux-foundation.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org Subject: [PATCH 9/9] drm/v3d: Annotate struct v3d_perfmon with __counted_by Date: Fri, 22 Sep 2023 10:32:14 -0700 Message-Id: <20230922173216.3823169-9-keescook@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922173110.work.084-kees@kernel.org> References: <20230922173110.work.084-kees@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1250; i=keescook@chromium.org; h=from:subject; bh=SnNIrp1FHi4lB0nFNYirvVw5/7/jvEw6i/lP/RJRA6A=; b=owEBbQKS/ZANAwAKAYly9N/cbcAmAcsmYgBlDc+e3L4G5PZF7SaBMxHwj62ZCFc4FzMHTqhT9 tfDr8MgF6uJAjMEAAEKAB0WIQSlw/aPIp3WD3I+bhOJcvTf3G3AJgUCZQ3PngAKCRCJcvTf3G3A JnkWEACXtjUq16fS873Hx8yyB8djpvoH6XVS+/OuSPCo2t7GIoIpy1zBkPiH2Ei14JMNlHdMGGy 8yOKrl1rGoQOP3jjY04cxJWy1h5uFFHAxW6VGYIBsbbFRIqAXuVC4UKEN+qYZ97MTJmwc0eHVdX Z441sTRctCLNHoMhSAQn6O3TWU2+/QOV8cz2Ls8cuKVLErRruCIa6OzHgGSnhC5Rq1OWXZyJNiQ 1aWVoVn67WL0VqIe3RW1cZvMnlWNTbgZP1DUee1eLb7MmfT7XMLkW6Jz/8rTfAeSUSsLhxKbIcO ZpXIWrrfcefYP4Dz3BMU6z9OLUAHdpdLEnnvQyDviUPLmbRyS5mdJpKrC9XT7FTANcayQSTonRu M12CaA8ASNf3ak1iu7o4DhTMZeHyb2Wpz2kwj4Nyg6YzYpRNC2gtRkBRdxIJn60r90kd27Yxl7Y Hb+w/DnzIvunJlaIiKWIEE9lJfyZWF2fgi9gcXtI26HlMj/Jn9jmdHnLwh96IqxloMmooRdvULL NK01ICP7mB/XJ36KSBZv5ss3B5LUV9OwyC4T2xpvqKmG/iSr65/EUsg0AYInGQ5v0STKkN7TYFV abYOWvuq0o/pltuNX+Gpbsn9+VvBaxhF2CeSHtOP8ARhgkctRhQJ2+OhqQ35i3SIQBBSkeCOxlL 2y59f7fhlJo6LCg== X-Developer-Key: i=keescook@chromium.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Prepare for the coming implementation by GCC and Clang of the __counted_by attribute. Flexible array members annotated with __counted_by can have their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family functions). As found with Coccinelle[1], add __counted_by for struct v3d_perfmon. [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/cou= nted_by.cocci Cc: Emma Anholt Cc: Melissa Wen Cc: David Airlie Cc: Daniel Vetter Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook Reviewed-by: Ma=C3=ADra Canal --- drivers/gpu/drm/v3d/v3d_drv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index 7f664a4b2a75..106454f28956 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -59,7 +59,7 @@ struct v3d_perfmon { * values can't be reset, but you can fake a reset by * destroying the perfmon and creating a new one. */ - u64 values[]; + u64 values[] __counted_by(ncounters); }; =20 struct v3d_dev { --=20 2.34.1