8332825: ubsan: guardedMemory.cpp:35:11: runtime error: null pointer …

…passed as argument 2, which is declared to never be null Reviewed-by: clanger, mdoerr
azvegint · May 27, 2024 · be1d374 · be1d374
1 parent ed81a47
commit be1d374
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/hotspot/share/memory/guardedMemory.cpp b/src/hotspot/share/memory/guardedMemory.cpp
@@ -32,7 +32,9 @@ void* GuardedMemory::wrap_copy(const void* ptr, const size_t len, const void* ta
   if (outerp != nullptr) {
     GuardedMemory guarded(outerp, len, tag);
     void* innerp = guarded.get_user_ptr();
-    memcpy(innerp, ptr, len);
+    if (ptr != nullptr) {
+      memcpy(innerp, ptr, len);
+    }
     return innerp;
   }
   return nullptr; // OOM