tls: destroy trace BIO instead of leaking it

Fixes: #27636 (comment)

PR-URL: #27834
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

src/tls_wrap.cc

@@ -939,9 +939,9 @@ void TLSWrap::EnableTrace(
 
 #if HAVE_SSL_TRACE
   if (wrap->ssl_) {
-    BIO* b = BIO_new_fp(stderr,  BIO_NOCLOSE | BIO_FP_TEXT);
+    wrap->bio_trace_.reset(BIO_new_fp(stderr,  BIO_NOCLOSE | BIO_FP_TEXT));
     SSL_set_msg_callback(wrap->ssl_.get(), SSL_trace);
-    SSL_set_msg_callback_arg(wrap->ssl_.get(), b);
+    SSL_set_msg_callback_arg(wrap->ssl_.get(), wrap->bio_trace_.get());
   }
 #endif
 }

src/tls_wrap.h

@@ -193,6 +193,8 @@ class TLSWrap : public AsyncWrap,
  private:
   static void GetWriteQueueSize(
       const v8::FunctionCallbackInfo<v8::Value>& info);
+
+  crypto::BIOPointer bio_trace_;
 };
 
 }  // namespace node