From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:47668 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752287AbdFLMs4 (ORCPT ); Mon, 12 Jun 2017 08:48:56 -0400 Subject: Patch "scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call" has been added to the 4.11-stable tree To: quinn.tran@cavium.com, gregkh@linuxfoundation.org, himanshu.madhani@cavium.com, martin.petersen@oracle.com Cc: , From: Date: Mon, 12 Jun 2017 14:48:44 +0200 Message-ID: <1497271724153188@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call to the 4.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scsi-qla2xxx-fix-null-pointer-access-due-to-redundant-fc_host_port_name-call.patch and it can be found in the queue-4.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 0ea88662b5c6404a8f7af6b040b3cf1f0e8c3a66 Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Wed, 24 May 2017 18:06:19 -0700 Subject: scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call From: Quinn Tran commit 0ea88662b5c6404a8f7af6b040b3cf1f0e8c3a66 upstream. Remove redundant fc_host_port_name calls to prevent early access of scsi_host->shost_data buffer. This prevent null pointer access. Following stack trace is seen: BUG: unable to handle kernel NULL pointer dereference at 00000000000008 IP: qla24xx_report_id_acquisition+0x22d/0x3a0 [qla2xxx] Signed-off-by: Quinn Tran Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_mbx.c | 9 --------- 1 file changed, 9 deletions(-) --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3676,15 +3676,6 @@ qla24xx_report_id_acquisition(scsi_qla_h qlt_update_host_map(vha, id); } - fc_host_port_name(vha->host) = - wwn_to_u64(vha->port_name); - - if (qla_ini_mode_enabled(vha)) - ql_dbg(ql_dbg_mbx, vha, 0x1018, - "FA-WWN portname %016llx (%x)\n", - fc_host_port_name(vha->host), - rptid_entry->vp_status); - set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); } else { Patches currently in stable-queue which might be from quinn.tran@cavium.com are queue-4.11/scsi-qla2xxx-fix-null-pointer-access-due-to-redundant-fc_host_port_name-call.patch