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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16410C25B07 for ; Mon, 8 Aug 2022 03:26:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236895AbiHHD0N (ORCPT ); Sun, 7 Aug 2022 23:26:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231905AbiHHD0I (ORCPT ); Sun, 7 Aug 2022 23:26:08 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40394DFE5; Sun, 7 Aug 2022 20:26:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659929167; x=1691465167; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bOeEbQASG8qYDkYJbxcsIUMSn9m3cJLEwP0JygTYejw=; b=RZeFJKwcGDqZsZwhWgouJVIv2SLE4VaAQSBNXHLRYXo274EET15TAUxW rR8RgdMBddin1WBjHWHQl1a/0MQrXqvCcXIn56OwO2UDvSnSww/ey1AHO 25jMLGrzcg+0oYqYAx4KIFBHZHCI7b54lEIok4H0ejPi1gNHYPVAS2BZR T/varMc9QP3Ny83CUN6zZ+wR2zuF3wOqtpjlVMcRSmPysWz0xML1XD1/B ISa8mXsa2Nk7acph52tkEQTBxQtjZkabb4ehGJkH2jNcoaasi0m38GKDL Uxauo/nXoVrk0JpoCWcBm9Zo/h66XL7lZFsWosUq0hCmVdGnBlzlE5ZOg Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10432"; a="376786101" X-IronPort-AV: E=Sophos;i="5.93,221,1654585200"; d="scan'208";a="376786101" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Aug 2022 20:26:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,221,1654585200"; d="scan'208";a="931870261" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by fmsmga005.fm.intel.com with ESMTP; 07 Aug 2022 20:26:04 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oKtP1-000Lqj-1H; Mon, 08 Aug 2022 03:26:03 +0000 Date: Mon, 8 Aug 2022 11:25:23 +0800 From: kernel test robot To: Li Jinlin , lduncan@suse.com, cleech@redhat.com, michael.christie@oracle.com, jejb@linux.ibm.com, martin.petersen@oracle.com, mark.mielke@gmail.com Cc: kbuild-all@lists.01.org, open-iscsi@googlegroups.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linfeilong@huawei.com, liuzhiqiang26@huawei.com Subject: Re: [PATCH] scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername() Message-ID: <202208081109.mO6WgY4E-lkp@intel.com> References: <20220802101939.3972556-1-lijinlin3@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220802101939.3972556-1-lijinlin3@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Li, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on jejb-scsi/for-next linus/master v5.19] [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/Li-Jinlin/scsi-iscsi-iscsi_tcp-Fix-null-ptr-deref-while-calling-getpeername/20220802-173945 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: powerpc-randconfig-s051-20220801 (https://download.01.org/0day-ci/archive/20220808/202208081109.mO6WgY4E-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/ccc367df3fdba07b24eeda721ca928cce50f40d2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Li-Jinlin/scsi-iscsi-iscsi_tcp-Fix-null-ptr-deref-while-calling-getpeername/20220802-173945 git checkout ccc367df3fdba07b24eeda721ca928cce50f40d2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/scsi/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/scsi/iscsi_tcp.c:798:26: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int fd @@ got struct file *file @@ drivers/scsi/iscsi_tcp.c:798:26: sparse: expected unsigned int fd drivers/scsi/iscsi_tcp.c:798:26: sparse: got struct file *file drivers/scsi/iscsi_tcp.c:852:26: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int fd @@ got struct file *file @@ drivers/scsi/iscsi_tcp.c:852:26: sparse: expected unsigned int fd drivers/scsi/iscsi_tcp.c:852:26: sparse: got struct file *file vim +798 drivers/scsi/iscsi_tcp.c 777 778 static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn, 779 enum iscsi_param param, char *buf) 780 { 781 struct iscsi_conn *conn = cls_conn->dd_data; 782 struct iscsi_tcp_conn *tcp_conn = conn->dd_data; 783 struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; 784 struct sockaddr_in6 addr; 785 struct socket *sock; 786 int rc; 787 788 switch(param) { 789 case ISCSI_PARAM_CONN_PORT: 790 case ISCSI_PARAM_CONN_ADDRESS: 791 case ISCSI_PARAM_LOCAL_PORT: 792 spin_lock_bh(&conn->session->frwd_lock); 793 if (!tcp_sw_conn || !tcp_sw_conn->sock) { 794 spin_unlock_bh(&conn->session->frwd_lock); 795 return -ENOTCONN; 796 } 797 sock = tcp_sw_conn->sock; > 798 fget(sock->file); 799 spin_unlock_bh(&conn->session->frwd_lock); 800 801 if (param == ISCSI_PARAM_LOCAL_PORT) 802 rc = kernel_getsockname(sock, 803 (struct sockaddr *)&addr); 804 else 805 rc = kernel_getpeername(sock, 806 (struct sockaddr *)&addr); 807 spin_lock_bh(&conn->session->frwd_lock); 808 sockfd_put(sock); 809 spin_unlock_bh(&conn->session->frwd_lock); 810 if (rc < 0) 811 return rc; 812 813 return iscsi_conn_get_addr_param((struct sockaddr_storage *) 814 &addr, param, buf); 815 default: 816 return iscsi_conn_get_param(cls_conn, param, buf); 817 } 818 819 return 0; 820 } 821 -- 0-DAY CI Kernel Test Service https://01.org/lkp