diff --git a/common/dlmalloc.c b/common/dlmalloc.c
index 62e8557..1e1602a 100644
--- a/common/dlmalloc.c
+++ b/common/dlmalloc.c
@@ -1698,6 +1698,10 @@
 		panic("pre-reloc realloc() is not supported");
 	}
 #endif
+  if (CONFIG_IS_ENABLED(UNIT_TEST) && malloc_testing) {
+    if (--malloc_max_allocs < 0)
+      return NULL;
+  }
 
   newp    = oldp    = mem2chunk(oldmem);
   newsize = oldsize = chunksize(oldp);