From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:36400 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752205AbdIVKO0 (ORCPT ); Fri, 22 Sep 2017 06:14:26 -0400 Subject: Patch "scsi: megaraid_sas: Check valid aen class range to avoid kernel panic" has been added to the 4.13-stable tree To: shivasharan.srikanteshwara@broadcom.com, gregkh@linuxfoundation.org, hare@suse.com, kashyap.desai@broadcom.com, martin.petersen@oracle.com, thenzl@redhat.com Cc: , From: Date: Fri, 22 Sep 2017 12:14:34 +0200 Message-ID: <150607527471123@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: megaraid_sas: Check valid aen class range to avoid kernel panic to the 4.13-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-megaraid_sas-check-valid-aen-class-range-to-avoid-kernel-panic.patch and it can be found in the queue-4.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 91b3d9f0069c8307d0b3a4c6843b65a439183318 Mon Sep 17 00:00:00 2001 From: Shivasharan S Date: Wed, 23 Aug 2017 04:47:01 -0700 Subject: scsi: megaraid_sas: Check valid aen class range to avoid kernel panic From: Shivasharan S commit 91b3d9f0069c8307d0b3a4c6843b65a439183318 upstream. Signed-off-by: Kashyap Desai Signed-off-by: Shivasharan S Reviewed-by: Hannes Reinecke Reviewed-by: Tomas Henzl Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/megaraid/megaraid_sas_base.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -5650,6 +5650,14 @@ megasas_register_aen(struct megasas_inst prev_aen.word = le32_to_cpu(instance->aen_cmd->frame->dcmd.mbox.w[1]); + if ((curr_aen.members.class < MFI_EVT_CLASS_DEBUG) || + (curr_aen.members.class > MFI_EVT_CLASS_DEAD)) { + dev_info(&instance->pdev->dev, + "%s %d out of range class %d send by application\n", + __func__, __LINE__, curr_aen.members.class); + return 0; + } + /* * A class whose enum value is smaller is inclusive of all * higher values. If a PROGRESS (= -1) was previously Patches currently in stable-queue which might be from shivasharan.srikanteshwara@broadcom.com are queue-4.13/scsi-megaraid_sas-check-valid-aen-class-range-to-avoid-kernel-panic.patch queue-4.13/scsi-megaraid_sas-return-pended-ioctls-with-cmd_status-mfi_stat_wrong_state-in-case-adapter-is-dead.patch queue-4.13/scsi-megaraid_sas-set-minimum-value-of-resetwaittime-to-be-1-secs.patch queue-4.13/scsi-megaraid_sas-mismatch-of-allocated-mfi-frame-size-and-length-exposed-in-mfi-mpt-pass-through-command.patch