diff --git a/include/tvm/runtime/crt/logging.h b/include/tvm/runtime/crt/logging.h
index ac5b658c628e4..1ff90fb510fc9 100644
--- a/include/tvm/runtime/crt/logging.h
+++ b/include/tvm/runtime/crt/logging.h
@@ -26,6 +26,7 @@
 #ifndef TVM_RUNTIME_CRT_LOGGING_H_
 #define TVM_RUNTIME_CRT_LOGGING_H_
 
+#ifndef CHECK
 #define CHECK(x)                                                        \
   do {                                                                  \
     if (!(x)) {                                                         \
@@ -33,7 +34,9 @@
       exit(-1);                                                         \
     }                                                                   \
   }while(0)
+#endif
 
+#ifndef CHECK_BINARY_OP
 #define CHECK_BINARY_OP(op, x, y, fmt, ...)                             \
   do {                                                                  \
     if (!(x op y)) {                                                    \
@@ -41,12 +44,30 @@
       exit(-1);                                                         \
     }                                                                   \
   }while(0)
+#endif
 
+#ifndef CHECK_LT
 #define CHECK_LT(x, y, fmt, ...) CHECK_BINARY_OP(<,  x, y, fmt, ##__VA_ARGS__)
+#endif
+
+#ifndef CHECK_GT
 #define CHECK_GT(x, y, fmt, ...) CHECK_BINARY_OP(>,  x, y, fmt, ##__VA_ARGS__)
+#endif
+
+#ifndef CHECK_LE
 #define CHECK_LE(x, y, fmt, ...) CHECK_BINARY_OP(<=, x, y, fmt, ##__VA_ARGS__)
+#endif
+
+#ifndef CHECK_GE
 #define CHECK_GE(x, y, fmt, ...) CHECK_BINARY_OP(>=, x, y, fmt, ##__VA_ARGS__)
+#endif
+
+#ifndef CHECK_EQ
 #define CHECK_EQ(x, y, fmt, ...) CHECK_BINARY_OP(==, x, y, fmt, ##__VA_ARGS__)
+#endif
+
+#ifndef CHECK_NE
 #define CHECK_NE(x, y, fmt, ...) CHECK_BINARY_OP(!=, x, y, fmt, ##__VA_ARGS__)
+#endif
 
 #endif  // TVM_RUNTIME_CRT_LOGGING_H_
diff --git a/src/runtime/crt/memory.c b/src/runtime/crt/memory.c
index b6346ecdc1cc4..d73a662491076 100644
--- a/src/runtime/crt/memory.c
+++ b/src/runtime/crt/memory.c
@@ -209,7 +209,7 @@ typedef struct MemoryManager {
  * \return The virtual address
  */
 void* MemoryManager_Alloc(MemoryManager * mgr, tvm_index_t size) {
-  void * data = 0;
+  char * data = 0;
   tvm_index_t npage = (size + kPageSize - 1) / kPageSize;
   MultiMap * free_map = &(mgr->free_map);
   IndexedEntry * it = free_map->lower_bound(free_map, npage);
@@ -248,7 +248,7 @@ void* MemoryManager_Alloc(MemoryManager * mgr, tvm_index_t size) {
  * \return The virtual address
  */
 void* MemoryManager_Realloc(MemoryManager * mgr, void * ptr, tvm_index_t size) {
-  void * data = ptr;
+  char * data = (char*)ptr;  // NOLINT(*)
   PageTable * ptable = &(mgr->ptable);
   TLB * pmap = &(mgr->pmap);
   MultiMap * free_map = &(mgr->free_map);
@@ -257,7 +257,7 @@ void* MemoryManager_Realloc(MemoryManager * mgr, void * ptr, tvm_index_t size) {
   if (ptr) {
     // get page size for given pointer
     CHECK_NE(pmap->count, 0, "invalid translation look-aside buffer.");
-    PageEntry * entry = pmap->find(pmap, ptr);
+    PageEntry * entry = pmap->find(pmap, (char*)ptr);  // NOLINT(*)
     CHECK_NE(entry, 0, "no valid page entry found.");
     Page * pptr = &(entry->page);
     // if the page size is smaller than target page size,
@@ -327,7 +327,7 @@ void* MemoryManager_Realloc(MemoryManager * mgr, void * ptr, tvm_index_t size) {
 void MemoryManager_Free(MemoryManager * mgr, void* ptr) {
   TLB * pmap = &(mgr->pmap);
   CHECK_NE(pmap->count, 0, "invalid translation look-aside buffer.");
-  PageEntry * entry = pmap->find(pmap, ptr);
+  PageEntry * entry = pmap->find(pmap, (char*)ptr);  // NOLINT(*)
   CHECK_NE(entry, 0, "no valid page entry found.");
   Page * p = &(entry->page);
   MultiMap * free_map = &(mgr->free_map);
diff --git a/tests/cpp/crt_memory_test.cc b/tests/cpp/crt_memory_test.cc
new file mode 100644
index 0000000000000..668208a1b79e5
--- /dev/null
+++ b/tests/cpp/crt_memory_test.cc
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#define TVM_CRT_LOG_VIRT_MEM_SIZE 16
+#define TVM_CRT_PAGE_BYTES 4096
+
+#include <gtest/gtest.h>
+#include <tvm/runtime/crt/logging.h>
+#include <tvm/runtime/crt/memory.h>
+
+#include "../../src/runtime/crt/memory.c"
+
+TEST(CRTMemory, Alloc) {
+  for (int idx = 0; idx < 65536; idx++) {
+    void * a = vmalloc(1);
+    EXPECT_EQ(vleak_size, 1);
+    vfree(a);
+    EXPECT_EQ(vleak_size, 0);
+  }
+}
+
+TEST(CRTMemory, Realloc) {
+  for (int idx = 0; idx < 65536; idx++) {
+    void * a = vrealloc(0, 1);
+    EXPECT_EQ(vleak_size, 1);
+    void * b = vrealloc(a, 1);
+    EXPECT_EQ(a, b);
+    EXPECT_EQ(vleak_size, 1);
+    vfree(a);
+    EXPECT_EQ(vleak_size, 0);
+  }
+}
+
+int main(int argc, char ** argv) {
+  testing::InitGoogleTest(&argc, argv);
+  testing::FLAGS_gtest_death_test_style = "threadsafe";
+  return RUN_ALL_TESTS();
+}