[PATCH] Core: fixed potential memory leak in ngx_core_module_create_conf()

[张桐]

# HG changeset patch
# User Tong Zhang <zhangtong2017 at whu.edu.cn>
# Date 1662734441 -28800
#      Fri Sep 09 22:40:41 2022 +0800
# Node ID a1a31f97ae70621282ad04302acdb6c9def306f7
# Parent  ba5cf8f73a2d0a3615565bf9545f3d65216a0530
Core: fixed potential memory leak in ngx_core_module_create_conf().

When "ngx_array_init" failed and returns a NULL, the object held by "ccf" may be leaked.

diff -r ba5cf8f73a2d -r a1a31f97ae70 src/core/nginx.c
--- a/src/core/nginx.c  Thu Sep 08 13:53:49 2022 +0400
+++ b/src/core/nginx.c  Fri Sep 09 22:40:41 2022 +0800
@@ -1076,6 +1076,7 @@
     if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t))
         != NGX_OK)
     {
+        ngx_pfree(cycle->pool, ccf);
         return NULL;
     }