From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Wed, 13 Nov 2019 12:31:41 +0000 (+0300)
Subject: Fixed potential NULL-pointer dereference (CID 1455631).
X-Git-Tag: 0.3.7~5
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=6062dbaa9a572c49be9b0d1635ce6807c2d762da;p=njs.git

Fixed potential NULL-pointer dereference (CID 1455631).
---

diff --git a/src/njs_json.c b/src/njs_json.c
index fe579f9b..3f948f42 100644
--- a/src/njs_json.c
+++ b/src/njs_json.c
@@ -2169,6 +2169,9 @@ njs_vm_value_dump(njs_vm_t *vm, njs_str_t *retval, const njs_value_t *value,
     njs_memset(stringify->space.start, ' ', indent);
 
     state = njs_json_push_stringify_state(vm, stringify, value);
+    if (njs_slow_path(state == NULL)) {
+        goto memory_error;
+    }
 
     for ( ;; ) {
         switch (state->type) {