From de49a641d635b2b0c494e64f78069049ab56cd5e Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Wed, 27 Mar 2019 12:59:04 +0100
Subject: [esock] Fixed socket close race

Used ref from wrong environment when building reply.
---
 erts/emulator/nifs/common/socket_nif.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts')

diff --git a/erts/emulator/nifs/common/socket_nif.c b/erts/emulator/nifs/common/socket_nif.c
index 870ab63bdf..b06b93236d 100644
--- a/erts/emulator/nifs/common/socket_nif.c
+++ b/erts/emulator/nifs/common/socket_nif.c
@@ -6600,7 +6600,7 @@ ERL_NIF_TERM nclose(ErlNifEnv*        env,
                    ("SOCKET", "nclose -> [%d] stop was scheduled\r\n",
                     descP->sock) );
             dec_socket(domain, type, protocol); // SHALL WE DO THIS AT finalize?
-            reply = esock_make_ok2(env, descP->closeRef);
+            reply = esock_make_ok2(env, enif_make_copy(env, descP->closeRef));
         } else {
 
             SSDBG( descP,
-- 
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