address ITS#4023

diff --git a/libraries/librewrite/session.c b/libraries/librewrite/session.c
index ac9196cec8ac40ceaedc88fbb2ad70bd3acf4797..bd0685167c926dab95868cd30e893df163a7e7d3 100644 (file)
--- a/libraries/librewrite/session.c
+++ b/libraries/librewrite/session.c
@@ -204,6 +204,13 @@ rewrite_session_var_set_f(
        session = rewrite_session_find( info, cookie );
        if ( session == NULL ) {
                session = rewrite_session_init( info, cookie );
+               if ( session == NULL ) {
+                       return REWRITE_ERR;
+               }
+
+#ifdef USE_REWRITE_LDAP_PVT_THREADS
+               ldap_pvt_thread_mutex_lock( &session->ls_mutex );
+#endif /* USE_REWRITE_LDAP_PVT_THREADS */
        }
 
 #ifdef USE_REWRITE_LDAP_PVT_THREADS