diff --git a/libpurgeablemem/c/src/purgeable_mem_c.c b/libpurgeablemem/c/src/purgeable_mem_c.c
index 8671c7367062b900872063428d602a804a638196..a9dd887fe56903479360be4076edf0d17d2253c6 100644
--- a/libpurgeablemem/c/src/purgeable_mem_c.c
+++ b/libpurgeablemem/c/src/purgeable_mem_c.c
@@ -49,6 +49,10 @@ static inline void LogPurgMemInfo_(struct PurgMem *obj)
 
 static inline size_t RoundUp(size_t val, size_t align)
 {
+    if (val + align < val || val + align < align) {
+        PM_HILOG_ERROR_C(LOG_CORE, "%{public}s: Addition overflow!", __func__);
+        return val;
+    }
     if (align == 0) {
         return val;
     }
diff --git a/libpurgeablemem/common/src/ux_page_table_c.c b/libpurgeablemem/common/src/ux_page_table_c.c
index de14c4174c27aa63d84b96c189ef50c01b638a1d..050ff248510b083a3ebcf3df584148a78180cbdc 100644
--- a/libpurgeablemem/common/src/ux_page_table_c.c
+++ b/libpurgeablemem/common/src/ux_page_table_c.c
@@ -92,6 +92,10 @@ static inline size_t GetUxPageSize_(uint64_t dataAddr, size_t dataSize)
 
 static inline uint64_t RoundUp(uint64_t val, size_t align)
 {
+    if (val + align < val || val + align < align) {
+        HILOG_ERROR(LOG_CORE, "%{public}s: Addition overflow!", __func__);
+        return val;
+    }
     if (align == 0) {
         return val;
     }
diff --git a/libpurgeablemem/cpp/src/purgeable_ashmem.cpp b/libpurgeablemem/cpp/src/purgeable_ashmem.cpp
index 70b438de040c6b895dd51b11d5cb0d686a6ba190..ee7105712518734c90cb6f9d9946329343546284 100644
--- a/libpurgeablemem/cpp/src/purgeable_ashmem.cpp
+++ b/libpurgeablemem/cpp/src/purgeable_ashmem.cpp
@@ -32,6 +32,10 @@ namespace PurgeableMem {
 
 static inline size_t RoundUp(size_t val, size_t align)
 {
+    if (val + align < val || val + align < align) {
+        PM_HILOG_ERROR(LOG_CORE, "%{public}s: Addition overflow!", __func__);
+        return val;
+    }
     if (align == 0) {
         return val;
     }
diff --git a/libpurgeablemem/cpp/src/purgeable_mem.cpp b/libpurgeablemem/cpp/src/purgeable_mem.cpp
index 1ee83a07628925ebe67ea68a40fd5fc6275bd8d1..7e25796b8d4385b80211f552be4c2bbf0ef6823c 100644
--- a/libpurgeablemem/cpp/src/purgeable_mem.cpp
+++ b/libpurgeablemem/cpp/src/purgeable_mem.cpp
@@ -32,6 +32,10 @@ namespace PurgeableMem {
 
 static inline size_t RoundUp(size_t val, size_t align)
 {
+    if (val + align < val || val + align < align) {
+        PM_HILOG_ERROR(LOG_CORE, "%{public}s: Addition overflow!", __func__);
+        return val;
+    }
     if (align == 0) {
         return val;
     }
diff --git a/libpurgeablemem/cpp/src/purgeable_mem_base.cpp b/libpurgeablemem/cpp/src/purgeable_mem_base.cpp
index 8b4fe8e0efe3debe96a24508976c5b74a39a68c6..779651a6c9e72d0c72f4fcb5e6e7d81da279b973 100644
--- a/libpurgeablemem/cpp/src/purgeable_mem_base.cpp
+++ b/libpurgeablemem/cpp/src/purgeable_mem_base.cpp
@@ -33,6 +33,10 @@ const int MAX_BUILD_TRYTIMES = 3;
 
 static inline size_t RoundUp(size_t val, size_t align)
 {
+    if (val + align < val || val + align < align) {
+        PM_HILOG_ERROR(LOG_CORE, "%{public}s: Addition overflow!", __func__);
+        return val;
+    }
     if (align == 0) {
         return val;
     }