From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Tue, 9 Jan 2024 06:21:14 +0000 (-0800)
Subject: Avoiding casting Infinity to integer in String.fromCodePoint().
X-Git-Tag: 0.8.3~19
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=4bd320f876063c77afff2370004954f536047d01;p=njs.git

Avoiding casting Infinity to integer in String.fromCodePoint().

Found by UndefinedBehaviorSanitizer.
---

diff --git a/src/njs_string.c b/src/njs_string.c
index 2ee1e719..3b3ca12c 100644
--- a/src/njs_string.c
+++ b/src/njs_string.c
@@ -1617,7 +1617,7 @@ njs_string_from_char_code(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
 
         if (is_point) {
             num = njs_number(&args[i]);
-            if (isnan(num)) {
+            if (isnan(num) || isinf(num)) {
                 goto range_error;
             }