Index: lib/msan/msan_interceptors.cc
===================================================================
--- lib/msan/msan_interceptors.cc
+++ lib/msan/msan_interceptors.cc
@@ -1441,7 +1441,8 @@
 
 void *__msan_memcpy(void *dest, const void *src, SIZE_T n) {
   if (!msan_inited) return internal_memcpy(dest, src, n);
-  if (msan_init_is_running) return REAL(memcpy)(dest, src, n);
+  if (msan_init_is_running || __msan::IsInSymbolizer())
+    return REAL(memcpy)(dest, src, n);
   ENSURE_MSAN_INITED();
   GET_STORE_STACK_TRACE;
   void *res = REAL(memcpy)(dest, src, n);