From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83F614915B4; Thu, 17 Sep 2026 08:42:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.6 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789634597; cv=none; b=TX1pF1wsdFjCUsG8KXk3TjZLgMxpFoTKEtp7GQOXzH+tKf783XTWVVMIlDoYPWoNaVzKLxLt/AQycalq3kcDlOmWlLRwPGsN3oVfjzjWZ2BqsAu0IPfyMq/oapueqpe0REIgWZqicRt/XPc6x+Hd1ISe/9sLKB6646nAh8vtX8c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789634597; c=relaxed/simple; bh=ca2bSrHmaobUPE6FKGEwCza6bF8w2hqM+0de2rE6VS4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pc6DBU06+ReGEunrVLNmnCBVrsVWhbzuLwEEOxBAU4kk7a6yfBcws3lpR98WmRYSodQXtIZaF1d1Uye1kSG+bphEm54s1Hr4GznvU5pNUVv/T99DKKb5EwD2RzKuy/mxxzqg0OK6mb5/4bUuKjxpjNjRY/zxJxFOYnwp8jSNJ3E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=VvFk/yQj; arc=none smtp.client-ip=192.198.163.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="VvFk/yQj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789634580; x=1821170580; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ca2bSrHmaobUPE6FKGEwCza6bF8w2hqM+0de2rE6VS4=; b=VvFk/yQjyTh3sNF45+pgWXu2dqukN+DGQhwIBILaLdtZUMUGqKO080+M eFc6uU/gEfBfRMmzDbYxXaQrpmykmrbtMw/9jt1jsLVIDJCk7OP4bu7th 5uxC56qZAJSye8ekFN0Q27GAa8DXKOkE4ytgvmg2eg2/mlEgNhFVTjMlB D/27ri9508tA5GZCzDexK4Ea0+49vJozRY8adiVrOXoYUoNJB8NbKZcM/ CMQkNocAEcwWgIOpLAxUniqOGQA1NIHhsYehVNdVpRRC+gcfXKhsCH06u IEo5XUp4YfOhmmAOCH8JMyqw1vXIfwOlR93qs5mcXpB4kkrwLTRY5CbSZ Q==; X-CSE-ConnectionGUID: Wv2c6RdsRvCx70c5sTAzWg== X-CSE-MsgGUID: n7r15XSrQ42ZZY/Zt0C0pQ== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="543010" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="543010" Received: from fmviesa012.fm.intel.com ([10.60.135.152]) by fmvoesa116.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2026 01:42:41 -0700 X-CSE-ConnectionGUID: YS7t7p99Qze4tZdEMVSqyA== X-CSE-MsgGUID: sQkmySHbQd646GJ6/CCGuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="1874268" Received: from lkp-server01.sh.intel.com (HELO 462990a40a85) ([10.239.97.150]) by fmviesa012.fm.intel.com with ESMTP; 17 Sep 2026 01:42:38 -0700 Received: from kbuild by 462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1x77hT-000000007Pd-19fk; Thu, 17 Sep 2026 08:42:35 +0000 Date: Thu, 17 Sep 2026 16:41:48 +0800 From: kernel test robot To: Wentao Liang , airlied@gmail.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org, jonathanh@nvidia.com, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, mperttunen@nvidia.com, simona@ffwll.ch, thierry.reding@kernel.org, Wentao Liang , stable@vger.kernel.org Subject: Re: [PATCH] drm/tegra: Fix bo reference leak in host1x_reloc_copy_from_user() Message-ID: <202609171640.8lyJYO2E-lkp@intel.com> References: <20260916182550.2091797-1-vulab@iscas.ac.cn> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260916182550.2091797-1-vulab@iscas.ac.cn> Hi Wentao, kernel test robot noticed the following build errors: [auto build test ERROR on tegra/for-next] [also build test ERROR on daeinki-drm-exynos/exynos-drm-next drm/drm-next drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master drm-tegra/drm/tegra/for-next v7.3-rc3 next-20260916] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wentao-Liang/drm-tegra-Fix-bo-reference-leak-in-host1x_reloc_copy_from_user/20260916-182550 base: https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git for-next patch link: https://lore.kernel.org/r/20260916182550.2091797-1-vulab%40iscas.ac.cn patch subject: [PATCH] drm/tegra: Fix bo reference leak in host1x_reloc_copy_from_user() config: hexagon-randconfig-1000-20260917 (https://download.01.org/0day-ci/archive/20260917/202609171640.8lyJYO2E-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260917/202609171640.8lyJYO2E-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202609171640.8lyJYO2E-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/tegra/drm.c:163:22: error: incompatible pointer types passing 'struct host1x_bo *' to parameter of type 'struct drm_gem_object *' [-Werror,-Wincompatible-pointer-types] 163 | drm_gem_object_put(dest->cmdbuf.bo); | ^~~~~~~~~~~~~~~ include/drm/drm_gem.h:572:43: note: passing argument to parameter 'obj' here 572 | drm_gem_object_put(struct drm_gem_object *obj) | ^ 1 error generated. vim +163 drivers/gpu/drm/tegra/drm.c 126 127 static int host1x_reloc_copy_from_user(struct host1x_reloc *dest, 128 struct drm_tegra_reloc __user *src, 129 struct drm_device *drm, 130 struct drm_file *file) 131 { 132 u32 cmdbuf, target; 133 int err; 134 135 err = get_user(cmdbuf, &src->cmdbuf.handle); 136 if (err < 0) 137 return err; 138 139 err = get_user(dest->cmdbuf.offset, &src->cmdbuf.offset); 140 if (err < 0) 141 return err; 142 143 err = get_user(target, &src->target.handle); 144 if (err < 0) 145 return err; 146 147 err = get_user(dest->target.offset, &src->target.offset); 148 if (err < 0) 149 return err; 150 151 err = get_user(dest->shift, &src->shift); 152 if (err < 0) 153 return err; 154 155 dest->flags = HOST1X_RELOC_READ | HOST1X_RELOC_WRITE; 156 157 dest->cmdbuf.bo = tegra_gem_lookup(file, cmdbuf); 158 if (!dest->cmdbuf.bo) 159 return -ENOENT; 160 161 dest->target.bo = tegra_gem_lookup(file, target); 162 if (!dest->target.bo) { > 163 drm_gem_object_put(dest->cmdbuf.bo); 164 return -ENOENT; 165 } 166 167 return 0; 168 } 169 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki