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 2112F1F94F for ; Sat, 10 Oct 2026 00:12:40 +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=1791591162; cv=none; b=jKU9+x6t+Sh+PKN737RNlKs+l4DANzXBXzgg1TcbOBpkbeKKutVsSmowQDctyd76QGOoV+waVXrT/JlpBW8wFb6R7FahGg6OiPriRa1tcHAXcrA+JxkySbR2Ff906dvi8yKyyE16hh/vsaVkSHJ6QceVNJLX3QtNcEz2rlIzUUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791591162; c=relaxed/simple; bh=1Ay9bN2eGeWUpHZsJ2AYo8jafOcl8zrShs1l3EUrEE0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZyAD/gCN4mcw++OdIc8xwEt/L3kpjm8ZYL0Cwg+0qcRDnNb9SbbIjcq/NZBrDdPItKppw6XxTgY2PHroSbA2si04NpGB6yTMlh0CNitbyzwueaPD/0+7xdxjA5I/mVdsAxtZLEiY5WmMYaGh2g+WHMW7chvF/maLw/8jlwgyw1k= 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=i8hCaN6V; 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="i8hCaN6V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791591161; x=1823127161; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=1Ay9bN2eGeWUpHZsJ2AYo8jafOcl8zrShs1l3EUrEE0=; b=i8hCaN6VZKrqg6VcWttxSnoK1rReJCLrz+GysGmqCZpTSBkFM4XbF/6Z XhiLJeiG6fCWJDyZpwl6HKjXia6tV8u6JrEKVtZc7UliZpXcWFJqSQPxT jPXpLEFdp42S+6A99Uz3NUcDFeypBo6S/0iL0ZvJ7yLO557XeV2zTYXqi wvXdkPG4o+ZWYlO/6hvsWB7PFpismPRBs3rleGPB7noyyG00kJ90fc+RY U/At9Plh1xuZ0dpARlPR97iObqLuA2z2azdId+kYmJyM3dX3ff/yqbJNE yELXiyg9w4tLFFm0C0ECt8RSIoqJy1Oy9KR512ePSF/iJh6sZpEv3Fh2L w==; X-CSE-ConnectionGUID: iSGwfsB0TyOOi3ux8HGWMw== X-CSE-MsgGUID: 4RxY3CptS0GqSwXjjtYeDw== X-IronPort-AV: E=McAfee;i="6800,10657,11930"; a="284074" X-IronPort-AV: E=Sophos;i="6.27,149,1787036400"; d="scan'208";a="284074" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2026 17:12:40 -0700 X-CSE-ConnectionGUID: 4Vg5DPiuSQaBNImMGjKKmA== X-CSE-MsgGUID: FM/fDYzmT6WuED4Lfm5WYQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,149,1787036400"; d="scan'208";a="529746" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 09 Oct 2026 17:12:38 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xFKhX-000000006KK-2sl6; Sat, 10 Oct 2026 00:12:35 +0000 Date: Sat, 10 Oct 2026 08:11:55 +0800 From: kernel test robot To: Wong Boon Jhee , netdev@vger.kernel.org Cc: llvm@lists.linux.dev, 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: <202610100859.YrkmZvhQ-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-20261008] [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: i386-buildonly-randconfig-1005-20261010 (https://download.01.org/0day-ci/archive/20261010/202610100859.YrkmZvhQ-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261010/202610100859.YrkmZvhQ-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/202610100859.YrkmZvhQ-lkp@intel.com/ All errors (new ones prefixed by >>): >> net/ncsi/ncsi-manage.c:2101:19: error: use of undeclared identifier 'nc' 2101 | &np, &nc); | ^~ net/ncsi/ncsi-manage.c:2103:38: error: use of undeclared identifier 'nc' 2103 | ncsi_send_netlink_timeout(nr, np, nc); | ^~ 2 errors generated. vim +/nc +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