[njs] Branch created: seg_fault_at_err_msg

[noreply at nginx.com]

details:   https://github.com/nginx/njs/commit/e562f44e08c36c28c627fd67d1b2f23d2ed4f949
branches:  seg_fault_at_err_msg
commit:    e562f44e08c36c28c627fd67d1b2f23d2ed4f949
user:      Vadim Zhestikov <v.zhestikov at f5.com>
date:      Wed, 28 May 2025 08:56:22 -0700
description:
Fixed segmentation fault at error message.

This closes #918 issue on Github.

---
 src/njs_value.c          | 2 +-
 src/test/njs_unit_test.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/njs_value.c b/src/njs_value.c
index dcdab5a2..9d2065e5 100644
--- a/src/njs_value.c
+++ b/src/njs_value.c
@@ -609,7 +609,7 @@ njs_property_query(njs_vm_t *vm, njs_property_query_t *pq, njs_value_t *value,
     default:
         ret = njs_atom_to_value(vm, &key, atom_id);
 
-        if (njs_fast_path(ret == NJS_OK)) {
+        if (njs_fast_path(ret == NJS_OK) && !njs_is_symbol(&key)) {
             njs_string_get(vm, &key, &pq->lhq.key);
             njs_type_error(vm, "cannot get property \"%V\" of %s",
                            &pq->lhq.key, njs_is_null(value) ? "null"
diff --git a/src/test/njs_unit_test.c b/src/test/njs_unit_test.c
index 2227c0a6..cae8766b 100644
--- a/src/test/njs_unit_test.c
+++ b/src/test/njs_unit_test.c
@@ -3923,6 +3923,9 @@ static njs_unit_test_t  njs_test[] =
     { njs_str("delete this !== true"),
       njs_str("false") },
 
+    { njs_str("undefined[Symbol()]"),
+      njs_str("TypeError: cannot get property \"unknown\" of undefined") },
+
     /* Object shorthand methods. */
 
     { njs_str("var o = {m(){}}; new o.m();"),