From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 17C851E495; Fri, 28 Jun 2024 13:42:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719582169; cv=none; b=hxJ+/1474HUFTuu4/52cT2DlYLBfvqZapy/cPB3jd0dr3jryDejL01Jrj8ln2A9MLfcV5FgTQpePokSv/lyY9nvGMYccBecG/AGxNLnZ1I2UFRag5IqLS1lTJF/Vsobnp8T5+7EhlDDyQ9K7g0IGi0/4rzFi/2JWLa87AoDlfwU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719582169; c=relaxed/simple; bh=ssHzJIF7S2KHuKDb9h3C0C+M5ebYBvfbT9APzG7dWSE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uWBEWZsyh6S74uI63E0+VzhBBj8FQT7D+ohcFkMBdmgXGvR6bT+BYjZrwu2jML00Z0uIyYiUMTHQxhcjHotGK5ESbojg1yYGktRcww+WdBV0W075m78jPQ01IVJmxCgMnUeDiXA060bLGrsTu022G46NPTtFRkDoSzgG8DTikNg= 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=D7SP6Doy; arc=none smtp.client-ip=198.175.65.19 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="D7SP6Doy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719582168; x=1751118168; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ssHzJIF7S2KHuKDb9h3C0C+M5ebYBvfbT9APzG7dWSE=; b=D7SP6DoyBaA5s1v3ctQeFko9ekXSlOa890Dw4gZcuNxTqKtMHwqO3g6Y ngjggBsiEWdpEETmeb3hp+m5bNRjyaWvcHeCsCam3NFqm+WQWrFlZbPBh Tzpa1b1Xs38HdoPLYoZ9hdnVouoS+TWQFZfMz8VWKLU/ntFTaHq8EX4qE 2PNbVgWF54Pdm+fQU+HS+4sQ9xtJaekMbi7OTWmxO9ZQnHrnyIApFhzv+ j+WeUIhdAFsGaAOXVWxxbZvAf1wSZ2Qv19kJe5IH9ObLpHSm/Y8zxirob P9pUf6QVxplZo6x4L5JRaG6irmNv89FtwTpJzYCwfJsbNLPsOFhpQN66u A==; X-CSE-ConnectionGUID: 4tImmCVqShSErpJkIEnKIA== X-CSE-MsgGUID: HicpljxjSwa7lbdNf3v0Lg== X-IronPort-AV: E=McAfee;i="6700,10204,11117"; a="16599310" X-IronPort-AV: E=Sophos;i="6.09,169,1716274800"; d="scan'208";a="16599310" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jun 2024 06:42:47 -0700 X-CSE-ConnectionGUID: GRkHS0RpTkGGdO3JdZ3Ytw== X-CSE-MsgGUID: 2Wo/Ldk7TPWz5O0SRuc0MA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,169,1716274800"; d="scan'208";a="67941648" Received: from lkp-server01.sh.intel.com (HELO 68891e0c336b) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 28 Jun 2024 06:42:43 -0700 Received: from kbuild by 68891e0c336b with local (Exim 4.96) (envelope-from ) id 1sNBs9-000H9S-2C; Fri, 28 Jun 2024 13:42:41 +0000 Date: Fri, 28 Jun 2024 21:42:27 +0800 From: kernel test robot To: Luigi Leonardi via B4 Relay , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , Eugenio =?iso-8859-1?Q?P=E9rez?= , Xuan Zhuo Cc: oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Luigi Leonardi , Daan De Meyer Subject: Re: [PATCH net-next v3 1/3] vsock: add support for SIOCOUTQ ioctl for all vsock socket types. Message-ID: <202406282144.DxR5KwIu-lkp@intel.com> References: <20240626-ioctl_next-v3-1-63be5bf19a40@outlook.com> Precedence: bulk X-Mailing-List: kvm@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: <20240626-ioctl_next-v3-1-63be5bf19a40@outlook.com> Hi Luigi, kernel test robot noticed the following build warnings: [auto build test WARNING on 50b70845fc5c22cf7e7d25b57d57b3dca1725aa5] url: https://github.com/intel-lab-lkp/linux/commits/Luigi-Leonardi-via-B4-Relay/vsock-add-support-for-SIOCOUTQ-ioctl-for-all-vsock-socket-types/20240627-023902 base: 50b70845fc5c22cf7e7d25b57d57b3dca1725aa5 patch link: https://lore.kernel.org/r/20240626-ioctl_next-v3-1-63be5bf19a40%40outlook.com patch subject: [PATCH net-next v3 1/3] vsock: add support for SIOCOUTQ ioctl for all vsock socket types. config: i386-randconfig-141-20240628 (https://download.01.org/0day-ci/archive/20240628/202406282144.DxR5KwIu-lkp@intel.com/config) compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0 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/202406282144.DxR5KwIu-lkp@intel.com/ smatch warnings: net/vmw_vsock/af_vsock.c:1321 vsock_do_ioctl() warn: unsigned 'n_bytes' is never less than zero. vim +/n_bytes +1321 net/vmw_vsock/af_vsock.c 1295 1296 static int vsock_do_ioctl(struct socket *sock, unsigned int cmd, 1297 int __user *arg) 1298 { 1299 struct sock *sk = sock->sk; 1300 struct vsock_sock *vsk; 1301 int retval; 1302 1303 vsk = vsock_sk(sk); 1304 1305 switch (cmd) { 1306 case SIOCOUTQ: { 1307 size_t n_bytes; 1308 1309 if (!vsk->transport || !vsk->transport->unsent_bytes) { 1310 retval = -EOPNOTSUPP; 1311 break; 1312 } 1313 1314 if (vsk->transport->unsent_bytes) { 1315 if (sock_type_connectible(sk->sk_type) && sk->sk_state == TCP_LISTEN) { 1316 retval = -EINVAL; 1317 break; 1318 } 1319 1320 n_bytes = vsk->transport->unsent_bytes(vsk); > 1321 if (n_bytes < 0) { 1322 retval = n_bytes; 1323 break; 1324 } 1325 1326 retval = put_user(n_bytes, arg); 1327 } 1328 break; 1329 } 1330 default: 1331 retval = -ENOIOCTLCMD; 1332 } 1333 1334 return retval; 1335 } 1336 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki