diff --git a/cc/sanitize.go b/cc/sanitize.go
index ef60b8e..89ef7e6 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -57,7 +57,8 @@
 
 	minimalRuntimeFlags = []string{"-fsanitize-minimal-runtime", "-fno-sanitize-trap=integer,undefined",
 		"-fno-sanitize-recover=integer,undefined"}
-	hwasanGlobalOptions = []string{"heap_history_size=1023,stack_history_size=512,export_memory_stats=0"}
+	hwasanGlobalOptions = []string{"heap_history_size=1023", "stack_history_size=512",
+		"export_memory_stats=0", "max_malloc_fill_size=0"}
 )
 
 type sanitizerType int