From patchwork Sat Apr 13 03:17:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitrii Bundin X-Patchwork-Id: 13628659 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 76B75C4345F for ; Sat, 13 Apr 2024 09:09:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EA7A310E92F; Sat, 13 Apr 2024 09:09:35 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="OkyV7rxc"; dkim-atps=neutral Received: from mail-ej1-f47.google.com (mail-ej1-f47.google.com [209.85.218.47]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B27510E707; Sat, 13 Apr 2024 03:18:15 +0000 (UTC) Received: by mail-ej1-f47.google.com with SMTP id a640c23a62f3a-a469dffbdfeso46579166b.0; Fri, 12 Apr 2024 20:18:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1712978294; x=1713583094; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=PNnFVE6OxAC9vi6MOO4Z+HaTgoU0dnwIGRx/mpHEgUA=; b=OkyV7rxcsR+9ycOSfzOJR7OriwCM9tLMvWw/NPiJx4ikXZH/ViXR/bOWy8DRKgIg0e 7ayvbrIKC5wxFrwfmBfTQszXsr6Mp1SXp21hBVTZvISkd7gh13/7NwlARY0dKfi6TZiK BfncEX8LG4RD05bQSnEVb9bvyWIe/BlaoziYod8PuCxP+9akrUq9uJ0pmEWzgoaUjXuB a21Pxpzj1lXd+a0LZGlBXfBiD2DvWviss7vGWYmI1TLbxbNzqeLNwU+JK8JUlXMvMCY4 Ts0bCmkvdZ16I4KEOXu8bTdSOfq1zfBrH27FK9vJN2L+/Lc3VG4bOQwb2Uj3UOhsE5Y1 6eQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712978294; x=1713583094; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=PNnFVE6OxAC9vi6MOO4Z+HaTgoU0dnwIGRx/mpHEgUA=; b=B+7s8Q/Hl7L7H1BHkpnagx1jC2YcjUmqWcOaT+URuX8aaEYefF2qegNO6RfQDys6/B gtiYL54wKYPgHXbEYFug+Qq5Slo3xB+8bgs7oRuPAnLCrodbVfVKT+qUrFq+YpFd4sdr zf3ttOgNX5s2v36l/XZH248Tjc6Pkr88b42yYcYNmuOLgn1QpxqoWjbooLSmKNG0FeUx SwKTrDLVB+v0TVSztIvPoFbPNieMnRZ2JXrgdbjXKx8F64o/Z5TUhfk+lH11hv5ljCfU 3BxmC7QHv9YUzo4h3heTQcnAENG2vHjVlx5EHTSn60wzie3NP/syZ0Xr5OYMym0We5OW dNxA== X-Forwarded-Encrypted: i=1; AJvYcCWTvIh5gXmQseaLY+zHN85V2n1hb5GBBWqtRn196F1bN3hJ6Qr9d5os5PHvMFE8yJp0EPMuMK9wo0HX5WaVrLN5LWY2efsijF5Q8dAjh2JeURynsqW9LXWF9BSWj++1+eKMwXKfdaFi3uJU6h6NckpK X-Gm-Message-State: AOJu0YxKbd0JQqjpTtEt0FF/Y/HpQunbMIuUs+BUx4bL7jEBW9yXlenb X+Qtno43Lp3gJ3Qek7b0tchhftHShqMJ4zh32EyGf9qiN9Ptw2cN X-Google-Smtp-Source: AGHT+IEoRr1BXhNT33CwKQB7WNo688HaHNYsVo8mJA+Hk5OaW9zxOC3HPhro1PhDEYACC3i9jGCV2g== X-Received: by 2002:a17:907:6d24:b0:a52:431e:636a with SMTP id sa36-20020a1709076d2400b00a52431e636amr1046090ejc.7.1712978293773; Fri, 12 Apr 2024 20:18:13 -0700 (PDT) Received: from dmitrii-TM1701.. ([2001:8f8:1d36:b77d:8995:4615:5d13:26]) by smtp.gmail.com with ESMTPSA id g4-20020a1709063b0400b00a51bbee7e55sm2450153ejf.53.2024.04.12.20.18.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Apr 2024 20:18:13 -0700 (PDT) From: Dmitrii Bundin To: linux-kernel@vger.kernel.org Cc: jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, tursulin@ursulin.net, airlied@gmail.com, daniel@ffwll.ch, dmitrii.bundin.a@gmail.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, bp@suse.de, gongruiqi1@huawei.com, rdunlap@infradead.org, michal.wajdeczko@intel.com Subject: [PATCH] drm/i915/guc: Fix UB due to signed int overflow Date: Sat, 13 Apr 2024 06:17:47 +0300 Message-Id: <20240413031747.2416581-1-dmitrii.bundin.a@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Mailman-Approved-At: Sat, 13 Apr 2024 09:09:33 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fix compile errors of the form "FIELD_PREP: mask is not constant" caused by signed integer constant overflow. Files affected: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c Reproducible with gcc 7.5 Signed-off-by: Dmitrii Bundin --- drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h index 58012edd4eb0..8814d4cd371c 100644 --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h @@ -29,7 +29,7 @@ */ #define GUC_KLV_LEN_MIN 1u -#define GUC_KLV_0_KEY (0xffff << 16) +#define GUC_KLV_0_KEY (0xffffU << 16) #define GUC_KLV_0_LEN (0xffff << 0) #define GUC_KLV_n_VALUE (0xffffffff << 0)