From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6BF0832142E for ; Thu, 19 Feb 2026 06:52:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771483947; cv=none; b=i1FjGqoydr1Arwwd2D8SuNLdZThT6m7a5AwtwTpLs6UqROHLli5Ig2wzRKamapsztUpyZ05dtFg7pB3JfTxjTvIXlpBAZzuDtM7lcoymvVrgabC/KUkYBZ+8rG3vyB8XkAhZqnaWPYNQisdO+F5ak4xRnLIeU360rl81CX2yvoM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771483947; c=relaxed/simple; bh=a9gIIuUbYtr3xbL1BkLiyFYBOn2YLV4QKHmbdYOIfKg=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=f9bhVqtEfNE1Uc+W8KjE1BZU8CyzSFCqZ6Z119vOiZHX6Gv6+b7uluJeCfzeWTbuwQmXnfsF7/GB0NPSVgacRcQKejWelTjypL6HCQ/qS58f6yrl/ax56in1Qn4roVMrtM8vAQwHf90jFgP6OzTkXBO62tWhM9OFMO3EBZVI+dE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=sOpAMsQ1; arc=none smtp.client-ip=209.85.221.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="sOpAMsQ1" Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-4362c635319so556746f8f.2 for ; Wed, 18 Feb 2026 22:52:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1771483937; x=1772088737; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:message-id:subject:cc :to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=3EBP5eZrSw5SNu4AKLCAw7ge8STkhI5WlLpg3XWzOaM=; b=sOpAMsQ1MVE4s7cCbsAdLmUB7thK8ePn2HjuQra1Ycn1RVNxOw3NgPxjpLLY1XHPFa lRvz16iiJtU4pTsZkKkLTG34wrLk4sJIe9MvS9mRzxIz4tHo58U+H3/vn4oQRgJpDinA JdB4RpAKhq+jK/sLfedkJRha7zs95pJW3vYId2cGjGtQ8AZ1ECoQTBPmj2LoWIwJvQNj 7zlzEbIVeXJg5tIUIvwQM3lvdIywkjGefejv1WOaePKSlhyzSiLicUMVQsljnd3ofwz/ X3Fz7Hh5bxgRL+M2XOx/jxpNnpoRiXAXEmRx2BZoat29D3xWNKBRUsGfz/VEgsDeW9Tz vS1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771483937; x=1772088737; h=in-reply-to:content-disposition:mime-version:message-id:subject:cc :to:from:date:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=3EBP5eZrSw5SNu4AKLCAw7ge8STkhI5WlLpg3XWzOaM=; b=EdpTzklYb3ESqBdzyy9oYdgpa/pzmWiSHue/SdQuPa7iRVsO98Jywx9jk0HEMYArgA UeLWJae9G5dzDuPPm6uQOd5ENPPBH88ryB3hsdy9oJLhdU2A1V1cHde15uLM16olQeGk LvdT1Vwb3i3d5++dqR/OOdkKOmr9tMmGaq0BgUA4NTYpd+ADW3npsq7l1cPfwMA6jxA2 oE/6yzyK9MlfVq8VtFVWZc5xUAGvDJNkS4cDezrr4GEF6Or6ozK1HgYtk3CsZZIo0Jwi 8iL54OjkXvfMvgjmrCEZOLFDCnzU+bWfDgku88/b0cM8gvpla4aU34dOhSMfPHFXSoaW 89jQ== X-Forwarded-Encrypted: i=1; AJvYcCUbmoDXJOT6AUWzKsO6TxfsiALyEZvcDxS7SCpehCK8qUzylPcFrUgd6V/1kX3L3lmX9+OOr7tQ0oIS@vger.kernel.org X-Gm-Message-State: AOJu0YzPre0txfAIgpa5Zhr7NxWdM1MPSFdwHwAx4vFRIywgk/decdcj h+n8RaHwzcxvGCJ6d7w9dGXn8O/EXhW9sfLmZfDqSPN7EOZfJScNtSqaE0QrmyEiGqw= X-Gm-Gg: AZuq6aJZr3AK529vXIPzGCJnVpnkPyrUX/laP0s4i9p8fK8Ts8j+fjLzQuqd69BoMu8 I9gtTznuXyBYIVNMhpaHLrgqKQNySP6x3DyoqX3rlWLvkWueWVqrUG6SapNajN22Dh5Z22LtuuD VmP87G4dNVRbVHkV2JeGSxZXZnguB1MWzYSvQ5SrBu4ZZCMsM4Wv1XG7UUqqyKyCdjg64Xz2fbe aN8eHcHLNQlva1q4HRNeDPHe85WZGgbf03/d/KqUKJ07LBQELcteWn0JEHRmbPAJlJXvCdYx0XE NeMGLUuKkehBZb33WiCm+lPbM9voNWaIx5FcxXrp4/iMCeKpQlBLYaJtSk3eWF28Nq4StDoE8PW 09Fch6GF1LyTV1YnoR3EuCjxg8oV+TLSrmUt0m0/Zl7WJXWKZLS6zFhSW9j0qc2dCQxlfPMjaCt PPmsSyl5wQkiv0Dzjb/YxOZw56vTZOxgP0qhqqKlg= X-Received: by 2002:a05:6000:401f:b0:430:f5dc:d34a with SMTP id ffacd0b85a97d-43958e4a636mr7655865f8f.29.1771483937384; Wed, 18 Feb 2026 22:52:17 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43796acf5b9sm45905510f8f.34.2026.02.18.22.52.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Feb 2026 22:52:17 -0800 (PST) Date: Thu, 19 Feb 2026 09:52:14 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Harry Austen , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michal Simek Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, Shubhrajyoti Datta , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Harry Austen Subject: Re: [PATCH v4 2/2] clk: clocking-wizard: add user clock monitor support Message-ID: <202602151704.qepyfVlc-lkp@intel.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260214180933.42143-3-hpausten@protonmail.com> Hi Harry, kernel test robot noticed the following build warnings: url: https://github.com/intel-lab-lkp/linux/commits/Harry-Austen/dt-bindings-clock-xilinx-add-description-of-user-monitor-interrupt/20260215-021554 base: ea7282e99ead6d2a294cef40acd2a29ada3ab71d patch link: https://lore.kernel.org/r/20260214180933.42143-3-hpausten%40protonmail.com patch subject: [PATCH v4 2/2] clk: clocking-wizard: add user clock monitor support config: microblaze-randconfig-r072-20260215 (https://download.01.org/0day-ci/archive/20260215/202602151704.qepyfVlc-lkp@intel.com/config) compiler: microblaze-linux-gcc (GCC) 14.3.0 smatch version: v0.5.0-8994-gd50c5a4c If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202602151704.qepyfVlc-lkp@intel.com/ smatch warnings: drivers/clk/xilinx/clk-xlnx-clock-wizard.c:1183 clk_wzrd_user_mon_work() error: dereferencing freed memory 'dump' (line 1182) vim +/dump +1183 drivers/clk/xilinx/clk-xlnx-clock-wizard.c 68614f228e6cbe Harry Austen 2026-02-14 1176 static void clk_wzrd_user_mon_work(struct work_struct *work) 68614f228e6cbe Harry Austen 2026-02-14 1177 { 68614f228e6cbe Harry Austen 2026-02-14 1178 struct clk_wzrd *clk_wzrd = container_of(work, struct clk_wzrd, work.work); 68614f228e6cbe Harry Austen 2026-02-14 1179 u32 *dump = vmalloc(WZRD_NUM_DUMP_REGS * sizeof(*dump)); 68614f228e6cbe Harry Austen 2026-02-14 1180 68614f228e6cbe Harry Austen 2026-02-14 1181 ioread32_rep(clk_wzrd->base, dump, WZRD_NUM_DUMP_REGS); 68614f228e6cbe Harry Austen 2026-02-14 @1182 dev_coredumpv(&clk_wzrd->pdev->dev, dump, WZRD_NUM_DUMP_REGS * sizeof(*dump), GFP_KERNEL); 68614f228e6cbe Harry Austen 2026-02-14 @1183 iowrite32(dump[WZRD_INTR_STATUS / sizeof(*dump)], clk_wzrd->base + WZRD_INTR_STATUS); ^^^^ dev_coredumpv() can free dump. 68614f228e6cbe Harry Austen 2026-02-14 1184 } 68614f228e6cbe Harry Austen 2026-02-14 1185 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki