--- old/src/hotspot/os/linux/os_linux.cpp	2020-02-11 20:31:14.209758360 -0500
+++ new/src/hotspot/os/linux/os_linux.cpp	2020-02-11 20:31:13.012745103 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -719,7 +719,7 @@
   assert(t->osthread()->expanding_stack(), "expand should be set");
   assert(t->stack_base() != NULL, "stack_base was not initialized");
 
-  if (addr <  t->stack_base() && addr >= t->stack_reserved_zone_base()) {
+  if (t->is_in_usable_stack(addr)) {
     sigset_t mask_all, old_sigset;
     sigfillset(&mask_all);
     pthread_sigmask(SIG_SETMASK, &mask_all, &old_sigset);