From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 E665754793 for ; Sat, 10 Oct 2026 10:36:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791628589; cv=none; b=u6Eo3QXhSHZIWTuZULgGPPJ2i4XrN7SrVxqNkd8ClDJs7TQcMzo4PZlOpypHi59kSxswIQQMlMNIHcfscyhvJbWihG1HQ+YOakQtYThv5Gsrb4D30sv2upTjbrTWlyv1oua+E5dOY4e7WtBbCy78qghtP1Qh6Uca1gUCbelubrA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791628589; c=relaxed/simple; bh=Ki0Q35d6eYa016/cHUOaW/nm1p1rCufECKjtLWEVWJ8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=F0dp9ltSdJdEjXQtQlopWVtZmgln8tAdwV0PklC0qoyn1uY8xfNrCJkQ70MRr5ScoWFPnrBBIT/JW0mbPUNfOWclWpSsQI0x+xiVqdeQNuWgh3Pn/+GkyeTlJdIWsoR8F5j1V5BT841RiUcST3dCcXNoymwADLEZaETLyWXkAHw= 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=V2wFiNCj; arc=none smtp.client-ip=198.175.65.9 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="V2wFiNCj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791628588; x=1823164588; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Ki0Q35d6eYa016/cHUOaW/nm1p1rCufECKjtLWEVWJ8=; b=V2wFiNCjIjRRbv4wPp1SDVQcJw33RGcxpZP60lpYyQzu51+PpYdDrLeQ itVf0JNXuHXmLNcYQe9CFBYXDxQzS0HmBIMoAvPCm0opk3Na4bJpTh06E 5QxgJ1TW6B5virDq4vzbqLC10YeqWlopu7tJHvVMbZsSzAU5hN+0z7kvi OjWvClrpDfN+0Vdl+KOBZQsNHc9esVkqtwC0ZT0AauyahPAqMkMTLWvdz lfTmdxAHWo9eGwK+NhzB9c77i6Hsid7bR3DAkG4QhxPsYo4fYtzvIi85z 9Un2W3a48Icb1Xjb9EcPofUZCOfujAJcmNsPrdiV5BTY54K0jvgEa9Xuv A==; X-CSE-ConnectionGUID: wMXtcJSsQIyM8OVpsDjZmw== X-CSE-MsgGUID: LQZC1jdbQ0aIcukbY728+Q== X-IronPort-AV: E=McAfee;i="6800,10657,11930"; a="302373" X-IronPort-AV: E=Sophos;i="6.27,150,1787036400"; d="scan'208";a="302373" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2026 03:36:27 -0700 X-CSE-ConnectionGUID: VQ1V6L+/TkWhHgQSokTcKw== X-CSE-MsgGUID: k7tE2lfKR9SKoxFR/wJkXA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,150,1787036400"; d="scan'208";a="969819" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa010.jf.intel.com with ESMTP; 10 Oct 2026 03:36:26 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xFURD-000000009ZT-3Z53; Sat, 10 Oct 2026 10:36:23 +0000 Date: Sat, 10 Oct 2026 18:35:58 +0800 From: kernel test robot To: Wong Boon Jhee , netdev@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, horms@kernel.org, kuba@kernel.org, Wong Boon Jhee Subject: Re: [PATCH v9] net/ncsi: Fix use-after-free in NCSI teardown Message-ID: <202610101826.cLJcdod0-lkp@intel.com> References: <20261009082201.1424955-1-wongboonjhee52@gmail.com> Precedence: bulk X-Mailing-List: netdev@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: <20261009082201.1424955-1-wongboonjhee52@gmail.com> Hi Wong, kernel test robot noticed the following build errors: [auto build test ERROR on net/main] [also build test ERROR on net-next/main linus/master v7.3-rc6 next-20261009] [cannot apply to horms-ipvs/master] [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/Wong-Boon-Jhee/net-ncsi-Fix-use-after-free-in-NCSI-teardown/20261009-162201 base: net/main patch link: https://lore.kernel.org/r/20261009082201.1424955-1-wongboonjhee52%40gmail.com patch subject: [PATCH v9] net/ncsi: Fix use-after-free in NCSI teardown config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20261010/202610101826.cLJcdod0-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261010/202610101826.cLJcdod0-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/202610101826.cLJcdod0-lkp@intel.com/ All errors (new ones prefixed by >>): net/ncsi/ncsi-manage.c: In function 'ncsi_unregister_dev': >> net/ncsi/ncsi-manage.c:2101:61: error: 'nc' undeclared (first use in this function); did you mean 'nr'? 2101 | &np, &nc); | ^~ | nr net/ncsi/ncsi-manage.c:2101:61: note: each undeclared identifier is reported only once for each function it appears in net/ncsi/ncsi-manage.c:2084:23: warning: unused variable 'flags' [-Wunused-variable] 2084 | unsigned long flags; | ^~~~~ vim +2101 net/ncsi/ncsi-manage.c 2078 2079 void ncsi_unregister_dev(struct ncsi_dev *nd) 2080 { 2081 struct ncsi_dev_priv *ndp = TO_NCSI_DEV_PRIV(nd); 2082 struct ncsi_package *np, *tmp; 2083 struct vlan_vid *vlan, *vlan_tmp; 2084 unsigned long flags; 2085 int i; 2086 2087 ncsi_unregister_dev_prepare(nd); 2088 for (i = 0; i < ARRAY_SIZE(ndp->requests); i++) { 2089 struct ncsi_request *nr = &ndp->requests[i]; 2090 2091 if (!nr->used) 2092 continue; 2093 2094 if (nr->flags == NCSI_REQ_FLAG_NETLINK_DRIVEN && nr->cmd) { 2095 struct ncsi_cmd_pkt *cmd = (struct ncsi_cmd_pkt *) 2096 skb_network_header(nr->cmd); 2097 2098 rcu_read_lock(); 2099 ncsi_find_package_and_channel(ndp, 2100 cmd->cmd.common.channel, > 2101 &np, &nc); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki