diff --git a/dbcon/execplan/arithmeticoperator.h b/dbcon/execplan/arithmeticoperator.h
index b18bcc9b1..d79876e52 100644
--- a/dbcon/execplan/arithmeticoperator.h
+++ b/dbcon/execplan/arithmeticoperator.h
@@ -327,7 +327,8 @@ inline void ArithmeticOperator::evaluate(rowgroup::Row& row, bool& isNull, Parse
 }
 
 template <typename result_t>
-inline result_t ArithmeticOperator::execute(result_t op1, result_t op2, bool& isNull)
+inline __attribute__((no_sanitize("signed-integer-overflow"))) result_t
+ArithmeticOperator::execute(result_t op1, result_t op2, bool& isNull)
 {
   if (isNull)
   {
diff --git a/dbcon/execplan/selectfilter.h b/dbcon/execplan/selectfilter.h
index eabf384f9..f381841bc 100644
--- a/dbcon/execplan/selectfilter.h
+++ b/dbcon/execplan/selectfilter.h
@@ -180,9 +180,9 @@ class SelectFilter : public Filter
   std::vector<SRCP> fCols;
   SOP fOp;
   SCSEP fSub;
-  bool fCorrelated;
+  bool fCorrelated = false;
   std::string fData;
-  uint64_t fReturnedColPos;  // offset in fSub->returnedColList to indicate the start of projection
+  uint64_t fReturnedColPos = 0;  // offset in fSub->returnedColList to indicate the start of projection
   std::vector<SimpleColumn*> fSimpleColumnListExtended{};
 };
 
diff --git a/primitives/primproc/batchprimitiveprocessor.cpp b/primitives/primproc/batchprimitiveprocessor.cpp
index a8e277623..6f632732e 100644
--- a/primitives/primproc/batchprimitiveprocessor.cpp
+++ b/primitives/primproc/batchprimitiveprocessor.cpp
@@ -2467,7 +2467,7 @@ SBPP BatchPrimitiveProcessor::duplicate()
       bpp->smallNullPointers = smallNullPointers;
       bpp->joinedRG = joinedRG;
     }
-    bpp->mSmallSideRGPtr = &bpp->smallSideRGs[0];
+    bpp->mSmallSideRGPtr = bpp->smallSideRGs.empty() ? nullptr : &bpp->smallSideRGs[0];
 
 #ifdef __FreeBSD__
     pthread_mutex_unlock(&bpp->objLock);
diff --git a/utils/funcexp/funchelpers.h b/utils/funcexp/funchelpers.h
index c7f721ecf..ac46c70ae 100644
--- a/utils/funcexp/funchelpers.h
+++ b/utils/funcexp/funchelpers.h
@@ -385,7 +385,8 @@ inline int power(int16_t a)
 }
 
 template <typename T>
-inline void decimalPlaceDec(int64_t& d, T& p, int8_t& s)
+inline __attribute__((no_sanitize("signed-integer-overflow"))) void decimalPlaceDec(int64_t& d, T& p,
+                                                                                    int8_t& s)
 {
   // find new scale if D < s
   if (d < s)
@@ -541,7 +542,9 @@ inline int getNumbers(const std::string& expr, int64_t* array, execplan::OpType
   return index;
 }
 
-inline int getNumbers(const std::string& expr, int* array, execplan::OpType funcType)
+inline __attribute__((no_sanitize("signed-integer-overflow"))) int getNumbers(const std::string& expr,
+                                                                              int* array,
+                                                                              execplan::OpType funcType)
 {
   int index = 0;