Fail reads at sector 2048 in scsi_debug.

---

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -1666,7 +1666,7 @@ static int resp_read(struct scsi_cmnd *S
 	if (scsi_debug_dix && scsi_prot_sg_count(SCpnt)) {
 		int prot_ret = prot_verify_read(SCpnt, lba, num);
 
-		if (prot_ret) {
+		if (lba == 2048 || prot_ret) {
 			mk_sense_buffer(devip, ABORTED_COMMAND, 0x10, prot_ret);
 			return illegal_condition_result;
 		}