From 24bb54b72b1cf52ba99cb25e1088f9dcec0c336b Mon Sep 17 00:00:00 2001
From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Mon, 8 Jan 2024 16:40:27 -0800
Subject: [PATCH] Fixed Date constructor for overflows and with NaN values.

Found by UndefinedBehaviorSanitizer.
---
 src/njs_date.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/njs_date.c b/src/njs_date.c
index 788ed41d..8f0850ab 100644
--- a/src/njs_date.c
+++ b/src/njs_date.c
@@ -243,11 +243,19 @@ njs_make_date(int64_t tm[], njs_bool_t local)
     days = njs_make_day(tm[NJS_DATE_YR], tm[NJS_DATE_MON],
                         tm[NJS_DATE_DAY]);
 
+    if (njs_slow_path(isnan(days))) {
+        return NAN;
+    }
+
     time = ((tm[NJS_DATE_HR] * 60.0 + tm[NJS_DATE_MIN]) * 60.0
             + tm[NJS_DATE_SEC]) * 1000.0 + tm[NJS_DATE_MSEC];
 
     time += days * 86400000.0;
 
+    if (time < -8.64e15 || time > 8.64e15) {
+        return NAN;
+    }
+
     if (local) {
         time += njs_tz_offset(time) * 60000;
     }
-- 
2.47.3