1 files changed, 5 insertions, 0 deletions
diff --git a/storage/ndb/src/ndbapi/NdbScanOperation.cpp b/storage/ndb/src/ndbapi/NdbScanOperation.cpp
index 89782453a72..afbec070ac8 100644
--- a/storage/ndb/src/ndbapi/NdbScanOperation.cpp
+++ b/storage/ndb/src/ndbapi/NdbScanOperation.cpp
@@ -237,6 +237,7 @@ NdbScanOperation::setReadLockMode(LockMode lockMode)
       lockHoldMode= false;
       readCommitted= true;
       break;
+    case LM_SimpleRead:
     case LM_Read:
       lockExcl= false;
       lockHoldMode= true;
@@ -872,6 +873,10 @@ NdbScanOperation::doSendScan(int aProcessorId)
   // sending it. This could not be done in openScan because 
   // we created the ATTRINFO signals after the SCAN_TABREQ signal.
   ScanTabReq * const req = CAST_PTR(ScanTabReq, tSignal->getDataPtrSend());
+  if (unlikely(theTotalCurrAI_Len > ScanTabReq::MaxTotalAttrInfo)) {
+    setErrorCode(4257);
+    return -1;
+  }
   req->attrLenKeyLen = (tupKeyLen << 16) | theTotalCurrAI_Len;
   Uint32 tmp = req->requestInfo;
   ScanTabReq::setDistributionKeyFlag(tmp, theDistrKeyIndicator_);