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 <stable@xxxxxxxxxxxxxxx> know about it.
>From 91b3d9f0069c8307d0b3a4c6843b65a439183318 Mon Sep 17 00:00:00 2001
From: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>
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 <shivasharan.srikanteshwara@xxxxxxxxxxxx>
commit 91b3d9f0069c8307d0b3a4c6843b65a439183318 upstream.
Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxxxx 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