From cbe7f2b95e88f8d5a10df7a847513ff1702b74a6 Mon Sep 17 00:00:00 2001
From: Rusty Conover <rusty@conover.me>
Date: Sat, 25 Jan 2020 12:58:25 -0500
Subject: [PATCH] tls: Fix crash when internal debug enabled

When NODE_DEBUG_NATIVE is enabled for tls a debug statement
is sometimes called with error_str set to null, this causes
a crash from glibc since string format parameters should not
be null.
---
 src/tls_wrap.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tls_wrap.cc b/src/tls_wrap.cc
index 82274fde6db0c1..ade8a60827886d 100644
--- a/src/tls_wrap.cc
+++ b/src/tls_wrap.cc
@@ -89,7 +89,7 @@ TLSWrap::~TLSWrap() {
 
 
 bool TLSWrap::InvokeQueued(int status, const char* error_str) {
-  Debug(this, "InvokeQueued(%d, %s)", status, error_str);
+  Debug(this, "InvokeQueued(%d, %s)", status, error_str ? error_str : "");
   if (!write_callback_scheduled_)
     return false;