diff --git a/UnitTestFrameworkPkg/Library/UnitTestDebugAssertLib/UnitTestDebugAssertLibHost.cpp b/UnitTestFrameworkPkg/Library/UnitTestDebugAssertLib/UnitTestDebugAssertLibHost.cpp
index a4405cc205..ad8487ad1b 100644
--- a/UnitTestFrameworkPkg/Library/UnitTestDebugAssertLib/UnitTestDebugAssertLibHost.cpp
+++ b/UnitTestFrameworkPkg/Library/UnitTestDebugAssertLib/UnitTestDebugAssertLibHost.cpp
@@ -24,6 +24,27 @@ extern "C" {
   ///
   BASE_LIBRARY_JUMP_BUFFER  *gUnitTestExpectAssertFailureJumpBuffer = NULL;
 
+  /**
+    LongJump wrapper for host-based unit test environments that is declared
+    NORETURN to avoid false positives from address sanitizer.
+
+    @param  JumpBuffer  A pointer to CPU context buffer.
+    @param  Value       The value to return when the SetJump() context is
+                        restored and must be non-zero.
+  **/
+  static
+  VOID
+  NORETURN
+  EFIAPI
+  HostLongJump (
+    IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
+    IN      UINTN                     Value
+    )
+  {
+    LongJump (JumpBuffer, Value);
+    UNREACHABLE ();
+  }
+
   /**
     Unit test library replacement for DebugAssert() in DebugLib.
 
@@ -47,7 +68,8 @@ extern "C" {
 
     if (gUnitTestExpectAssertFailureJumpBuffer != NULL) {
       UT_LOG_INFO ("Detected expected ASSERT: %a(%d): %a\n", FileName, LineNumber, Description);
-      LongJump (gUnitTestExpectAssertFailureJumpBuffer, 1);
+      HostLongJump (gUnitTestExpectAssertFailureJumpBuffer, 1);
+      UNREACHABLE ();
     } else {
       if (GetActiveFrameworkHandle () != NULL) {
         AsciiStrCpyS (Message, sizeof (Message), "Detected unexpected ASSERT(");
diff --git a/UnitTestFrameworkPkg/Library/UnitTestLib/AssertCmocka.c b/UnitTestFrameworkPkg/Library/UnitTestLib/AssertCmocka.c
index 0d8e36c938..b681f0480a 100644
--- a/UnitTestFrameworkPkg/Library/UnitTestLib/AssertCmocka.c
+++ b/UnitTestFrameworkPkg/Library/UnitTestLib/AssertCmocka.c
@@ -381,21 +381,27 @@ UnitTestExpectAssertFailure (
   }
 
   if (UnitTestStatus == UNIT_TEST_PASSED) {
-    UT_LOG_INFO (
-      "[ASSERT PASS] %a:%d: UT_EXPECT_ASSERT_FAILURE(%a) detected expected assert\n",
+    snprintf (
+      TempStr,
+      sizeof (TempStr),
+      "[ASSERT PASS] %s:%d: UT_EXPECT_ASSERT_FAILURE(%s) detected expected assert\n",
       FileName,
-      LineNumber,
+      (int)LineNumber,
       FunctionCall
       );
+    UT_LOG_INFO (TempStr);
   }
 
   if (UnitTestStatus == UNIT_TEST_SKIPPED) {
-    UT_LOG_WARNING (
-      "[ASSERT WARN] %a:%d: UT_EXPECT_ASSERT_FAILURE(%a) disabled\n",
+    snprintf (
+      TempStr,
+      sizeof (TempStr),
+      "[ASSERT WARN] %s:%d: UT_EXPECT_ASSERT_FAILURE(%s) disabled\n",
       FileName,
-      LineNumber,
+      (int)LineNumber,
       FunctionCall
       );
+    UT_LOG_WARNING (TempStr);
   }
 
   if (UnitTestStatus == UNIT_TEST_ERROR_TEST_FAILED) {
diff --git a/UnitTestFrameworkPkg/Library/UnitTestLib/RunTestsCmocka.c b/UnitTestFrameworkPkg/Library/UnitTestLib/RunTestsCmocka.c
index f24b65174c..5788a75b7f 100644
--- a/UnitTestFrameworkPkg/Library/UnitTestLib/RunTestsCmocka.c
+++ b/UnitTestFrameworkPkg/Library/UnitTestLib/RunTestsCmocka.c
@@ -111,10 +111,14 @@ CmockaUnitTestTeardownFunctionRunner (
   // stdout and stderr in their xml format
   //
   if (UnitTest->Log != NULL) {
-    print_message ("UnitTest: %s - %s\n", UnitTest->Name, UnitTest->Description);
-    print_message ("Log Output Start\n");
-    print_message ("%s", UnitTest->Log);
-    print_message ("Log Output End\n");
+    //
+    // UnitTest->Log can be a large buffer that is larger than what DEBUG()
+    // can support. Use printf() directly.
+    //
+    printf ("UnitTest: %s - %s\n", UnitTest->Name, UnitTest->Description);
+    printf ("Log Output Start\n");
+    printf (UnitTest->Log);
+    printf ("Log Output End\n");
   }
 
   //