From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 29511399374 for ; Fri, 15 May 2026 08:40:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778834403; cv=none; b=RjNPLUcXwMksaRTTaNTfyDcVhzdWxymSG+xGO9MYCKihavTys5CE0Ebvf4Zp8grPCbMz+cCKFT+gVxsfUhgoOF+iVXisoNmhlNNslUgZxMDPDZxfvYeqJk2BhLeru+NVTTykyR/hdoVNANfmGm2dPfL+RfGlYWQwRgw3HFSE7cg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778834403; c=relaxed/simple; bh=sGKXbIZKgyuInS3d5J3QOxp1VpByw84H18wr0ATeCXk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MfWWQRM4KSoiigOGiwlGLzCdBVVNjQasfL/FUr0MGgrqQXqhz2uE9lXydr5KhXsof9ah4J6fMvQVdc4LtdJdqb7h7AKOB4sjev3kHByQJdt2XPQuZ/ZrA6mWm9ZyXMIs+OLlzoli2ZZgthBbo3c2ZQnPPfACdUJ0O8txzpOqx+I= 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=mrILbTk+; arc=none smtp.client-ip=198.175.65.15 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="mrILbTk+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778834401; x=1810370401; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sGKXbIZKgyuInS3d5J3QOxp1VpByw84H18wr0ATeCXk=; b=mrILbTk+8Y81KeWhb4b+rT9qlSp9hp1cguxciNpyhVebMjAxGoun8IaU m/WhrIJwaX3pnGMVgVp4cOJTteNX5YWzV8TnU/43FMtMyMxAUkM35mahY oqMMfRRxlL+BOuc4l+0C7L5+lJmMRb42I3FLldyHpxZYofQ0azJtNP0dg Fa8FJWRqB3Ej0k6aFKY1q6pwm3YyWRzoOVK7Q8pbTph7uR8zmraqalW9c kh+pB8O1IO140ZYhIdY73bA8pTdrDq9ZU6gf5Ri74vWCpeyYGAGhTd+5B OaO6gH8KJlF06atXR4XR++NABSalR58iyBYEIG8icydAMSnp2vJ4N1fWc A==; X-CSE-ConnectionGUID: hP3eUEdpReWvbYPVMaBRnA== X-CSE-MsgGUID: GUm3EnGcRmuS1NNA7w96QQ== X-IronPort-AV: E=McAfee;i="6800,10657,11786"; a="83401755" X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="83401755" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2026 01:40:01 -0700 X-CSE-ConnectionGUID: ftFTCVoxQJ+g6bBWZv2KAQ== X-CSE-MsgGUID: mGuxFZz/RsSrGOTFyA+qLg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="276725515" Received: from lkp-server02.sh.intel.com (HELO 7a33ad3e7d27) ([10.239.97.151]) by orviesa001.jf.intel.com with ESMTP; 15 May 2026 01:39:17 -0700 Received: from kbuild by 7a33ad3e7d27 with local (Exim 4.98.2) (envelope-from ) id 1wNo4f-000000001C9-3NpQ; Fri, 15 May 2026 08:39:13 +0000 Date: Fri, 15 May 2026 16:32:09 +0800 From: kernel test robot To: Sicong Huang , fei1.li@intel.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, acrn-dev@lists.projectacrn.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Sicong Huang Subject: Re: [PATCH v1] virt: acrn: Fix irqfd use-after-free during async shutdown Message-ID: <202605151636.lR13SqEN-lkp@intel.com> References: <20260511135737.2285411-1-congei42@163.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <20260511135737.2285411-1-congei42@163.com> Hi Sicong, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v7.1-rc3 next-20260508] [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/Sicong-Huang/virt-acrn-Fix-irqfd-use-after-free-during-async-shutdown/20260515-063914 base: linus/master patch link: https://lore.kernel.org/r/20260511135737.2285411-1-congei42%40163.com patch subject: [PATCH v1] virt: acrn: Fix irqfd use-after-free during async shutdown config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20260515/202605151636.lR13SqEN-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/20260515/202605151636.lR13SqEN-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/202605151636.lR13SqEN-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/virt/acrn/irqfd.c:232:28: warning: unused variable 'next' [-Wunused-variable] 232 | struct hsm_irqfd *irqfd, *next; | ^~~~ 1 warning generated. vim +/next +232 drivers/virt/acrn/irqfd.c aa3b483ff1d71c5 Shuo Liu 2021-02-07 229 aa3b483ff1d71c5 Shuo Liu 2021-02-07 230 void acrn_irqfd_deinit(struct acrn_vm *vm) aa3b483ff1d71c5 Shuo Liu 2021-02-07 231 { aa3b483ff1d71c5 Shuo Liu 2021-02-07 @232 struct hsm_irqfd *irqfd, *next; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki