From: Anatol Belski <ab@php.net>
Date: Wed, 23 Dec 2015 17:16:52 +0000 (+0100)
Subject: Bug #71201 round() segfault on 64-bit builds
X-Git-Tag: php-7.0.3RC1~108^2~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=95454c448bdd540adc32e780f0b4ea7bfd80cb28;p=php

Bug #71201 round() segfault on 64-bit builds
---

diff --git a/ext/standard/math.c b/ext/standard/math.c
index 6059f3dd9b..6203626a55 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -390,7 +390,15 @@ PHP_FUNCTION(round)
 	}
 
 	if (ZEND_NUM_ARGS() >= 2) {
-		places = (int) precision;
+#if SIZEOF_LONG > SIZEOF_INT
+		if (precision >= 0) {
+			places = precision > INT_MAX ? INT_MAX : (int)precision;
+		} else {
+			places = precision <= INT_MIN ? INT_MIN+1 : (int)precision;
+		}
+#else
+		places = precision;
+#endif
 	}
 	convert_scalar_to_number_ex(value);