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scsi: aacraid: fix illegal IO beyond last LBA
The driver fails to handle data when read or written beyond device reported LBA, which triggers kernel panic Link: https://lore.kernel.org/r/1571120524-6037-2-git-send-email-balsundar.p@microsemi.com Signed-off-by: Balsundar P <balsundar.p@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -2467,13 +2467,13 @@ static int aac_read(struct scsi_cmnd * scsicmd)
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scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
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SAM_STAT_CHECK_CONDITION;
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set_sense(&dev->fsa_dev[cid].sense_data,
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HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
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ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
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ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
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memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
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min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
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SCSI_SENSE_BUFFERSIZE));
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scsicmd->scsi_done(scsicmd);
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return 1;
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return 0;
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}
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dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
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@ -2559,13 +2559,13 @@ static int aac_write(struct scsi_cmnd * scsicmd)
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scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
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SAM_STAT_CHECK_CONDITION;
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set_sense(&dev->fsa_dev[cid].sense_data,
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HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
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ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
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ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
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memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
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min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
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SCSI_SENSE_BUFFERSIZE));
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scsicmd->scsi_done(scsicmd);
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return 1;
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return 0;
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}
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dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
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