From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9D906FF8850 for ; Sun, 26 Apr 2026 05:32:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1rPfFa1B1GbjH5KTkfI6ezIH4vvvFqQ/l+mQ1YCLh/A=; b=k+YEuyO0JYlNbaNYQWvYE/zY6F 9OWAw3GtYjhD4nU7MbTRU2qKZAhnRfElaCX+Kh5maivWjbu37P123K3jkJl5h41ZDYWUo75L/Cwu6 8DIzEPglOAEA4Nku5XFvmVttFJaf9+RSW4+fkgCXQH/CAYDhwDXWDSGmnAnrZii+9vMFyS/sSgOvd +4qHX+YYmi2PUVfPU4dCUfgdgajg/aA+Fdi3jpvA4PFBLoYUIJlPu7xF7ad+T/gAdGakWfCnOcY8B x7BFwGC8u+MHWfhBJdUAqot2roD1Je//nxBZtCBO+S9/h7J0rvYvx/XAzHejxfWol+j/W7Eg2eFIw bOdnUfSA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGs6N-0000000FHP3-18CR; Sun, 26 Apr 2026 05:32:19 +0000 Received: from mgamail.intel.com ([192.198.163.16]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wGs6I-0000000FHOC-2gkU for linux-arm-kernel@lists.infradead.org; Sun, 26 Apr 2026 05:32:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777181534; x=1808717534; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=FZxW/0xc3tlPxseOGzaG8aEguh7TK5Jw7ofxFY9FK88=; b=XY0l489CfOyAu5+VMAtedeoNgUznohhrG7DLqU2rIMbWaC3TMIXcrStp 0F7UN0/aD5q17ZzVfD0MRT6A8J2/KJTdj/IRvAhzOI8iPnR+vV69Zx2yu 2FjgzxR0pXUO3u16D/ysQhuozkUYRcdvTRQ2pG3i5t77NFPPZEX7iV31W KXjFKhnzUIVznMPKC29spWXzJGSn+Uj6UresyhPFFM1eaawbcDxehzR8X OBMYx1QbqKHW2lslGTZynOPzDVumAgZwF3g/lLSNSRgv6PeRvfdz+QEmA v4xtUA/a2ecvPyX2rnzYQI1sAwtdPDGWLOOhJoPosiPiBC+dsnSaz71ax Q==; X-CSE-ConnectionGUID: r3wyxG9+RjeYb1qtXUEUsA== X-CSE-MsgGUID: FeW74CJhRwO8mRB7kAZzHw== X-IronPort-AV: E=McAfee;i="6800,10657,11767"; a="65636109" X-IronPort-AV: E=Sophos;i="6.23,199,1770624000"; d="scan'208";a="65636109" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Apr 2026 22:32:10 -0700 X-CSE-ConnectionGUID: uvJyIYwRSLK2wagYQHwDAg== X-CSE-MsgGUID: Z8sWPRqgQIK9RunmgA3kRA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,199,1770624000"; d="scan'208";a="238323720" Received: from lkp-server01.sh.intel.com (HELO aa799cca880d) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 25 Apr 2026 22:32:07 -0700 Received: from kbuild by aa799cca880d with local (Exim 4.98.2) (envelope-from ) id 1wGs69-000000007W5-04Xp; Sun, 26 Apr 2026 05:32:05 +0000 Date: Sun, 26 Apr 2026 13:31:13 +0800 From: kernel test robot To: Wentao Liang , Georgi Djakov , Shawn Guo , Sascha Hauer Cc: oe-kbuild-all@lists.linux.dev, Pengutronix Kernel Team , Fabio Estevam , Wentao Liang , linux-pm@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2] interconnect: imx: fix use-after-free in imx_icc_node_init_qos() Message-ID: <202604261347.QzG9r7Ym-lkp@intel.com> References: <20260408153022.401123-1-vulab@iscas.ac.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260408153022.401123-1-vulab@iscas.ac.cn> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260425_223214_714521_3E22813F X-CRM114-Status: GOOD ( 13.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Wentao, kernel test robot noticed the following build errors: [auto build test ERROR on amd-pstate/linux-next] [also build test ERROR on amd-pstate/bleeding-edge linus/master v7.0 next-20260424] [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/interconnect-imx-fix-use-after-free-in-imx_icc_node_init_qos/20260424-225513 base: https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git linux-next patch link: https://lore.kernel.org/r/20260408153022.401123-1-vulab%40iscas.ac.cn patch subject: [PATCH v2] interconnect: imx: fix use-after-free in imx_icc_node_init_qos() config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20260426/202604261347.QzG9r7Ym-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260426/202604261347.QzG9r7Ym-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/202604261347.QzG9r7Ym-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/interconnect/imx/imx.c: In function 'imx_icc_node_init_qos': >> drivers/interconnect/imx/imx.c:123:16: error: cleanup argument not a function 123 | struct device_node *__free(device_nod) dn = of_parse_phandle(dev->of_node, | ^~~~~~~~~~~ vim +123 drivers/interconnect/imx/imx.c 116 117 static int imx_icc_node_init_qos(struct icc_provider *provider, 118 struct icc_node *node) 119 { 120 struct imx_icc_node *node_data = node->data; 121 const struct imx_icc_node_adj_desc *adj = node_data->desc->adj; 122 struct device *dev = provider->dev; > 123 struct device_node *__free(device_nod) dn = of_parse_phandle(dev->of_node, 124 adj->phandle_name, 0); 125 struct platform_device *pdev; 126 127 if (adj->main_noc) { 128 node_data->qos_dev = dev; 129 dev_dbg(dev, "icc node %s[%d] is main noc itself\n", 130 node->name, node->id); 131 } else { 132 if (!dn) { 133 dev_warn(dev, "Failed to parse %s\n", 134 adj->phandle_name); 135 return -ENODEV; 136 } 137 /* Allow scaling to be disabled on a per-node basis */ 138 if (!of_device_is_available(dn)) { 139 dev_warn(dev, "Missing property %s, skip scaling %s\n", 140 adj->phandle_name, node->name); 141 return 0; 142 } 143 144 pdev = of_find_device_by_node(dn); 145 if (!pdev) { 146 dev_warn(dev, "node %s[%d] missing device for %pOF\n", 147 node->name, node->id, dn); 148 return -EPROBE_DEFER; 149 } 150 node_data->qos_dev = &pdev->dev; 151 dev_dbg(dev, "node %s[%d] has device node %pOF\n", 152 node->name, node->id, dn); 153 } 154 155 return dev_pm_qos_add_request(node_data->qos_dev, 156 &node_data->qos_req, 157 DEV_PM_QOS_MIN_FREQUENCY, 0); 158 } 159 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki