From 66c23fa97a1bf8819051f1c358ae5eb38eeefae2 Mon Sep 17 00:00:00 2001
From: huangyu <huangyu106@huawei.com>
Date: Tue, 6 Sep 2022 11:55:40 +0800
Subject: [PATCH] huawei-fix_nss_database_check_reload_and_get_memleak.patch
The return nss_database_check_reload_adn_get (local, actions, db) does not check 
whether the local value is empty before invoking the local interface.

Signed-off-by: huangyu <huangyu106@huawei.com>
---
 nss/nss_database.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nss/nss_database.c b/nss/nss_database.c
index 54561f03..a503890a 100644
--- a/nss/nss_database.c
+++ b/nss/nss_database.c
@@ -254,6 +254,8 @@ __nss_configure_lookup (const char *dbname, const char *service_line)
   __nss_database_get (db, &result);
 
   local = nss_database_state_get ();
+  if (local == NULL)
+    return -1;
 
   result = __nss_action_parse (service_line);
   if (result == NULL)
@@ -399,6 +401,9 @@ nss_database_check_reload_and_get (struct nss_database_state *local,
   /* Acquire MO is needed because the thread that sets reload_disabled
      may have loaded the configuration first, so synchronize with the
      Release MO store there.  */
+  if (local == NULL)
+    return false;
+
   if (atomic_load_acquire (&local->data.reload_disabled))
     {
       *result = local->data.services[database_index];
-- 
2.33.0