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| author | Shivasharan S <shivasharan.srikanteshwara@broadcom.com> | 2017-08-23 04:47:01 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-24 22:29:13 -0400 |
| commit | 91b3d9f0069c8307d0b3a4c6843b65a439183318 (patch) | |
| tree | 4f6637be4d0eb7650a1a7dce385db98729917a8b /drivers/scsi/megaraid | |
| parent | 8823abeddbbcefd4603b02e6518311e17557156f (diff) | |
| download | talos-obmc-linux-91b3d9f0069c8307d0b3a4c6843b65a439183318.tar.gz talos-obmc-linux-91b3d9f0069c8307d0b3a4c6843b65a439183318.zip | |
scsi: megaraid_sas: Check valid aen class range to avoid kernel panic
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Cc: stable@vger.kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index b8b46540d909..df2332f3e182 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -5651,6 +5651,14 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, 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 |
