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scsi-disk: improve out-of-range LBA detection for WRITE SAME 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-08-09 13:34:53 +02:00
parent 46e3f30e3c
commit a084a703df
1 changed files with 2 additions and 1 deletions
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3
hw/scsi-disk.c
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@ -1712,7 +1712,8 @@ static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
scsi_check_condition(r, SENSE_CODE(WRITE_PROTECTED));
return 0;
}
if (r->req.cmd.lba > s->qdev.max_lba) {
if (r->req.cmd.lba > r->req.cmd.lba + nb_sectors ||
r->req.cmd.lba + nb_sectors - 1 > s->qdev.max_lba) {
goto illegal_lba;
}