diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index 5e0d0567cd7..bb341ab5c03 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -1554,6 +1554,11 @@ static void zend_set_timeout_ex(zend_long seconds, bool reset_signals) /* {{{ */
 		struct itimerval t_r;		/* timeout requested */
 		int signo;
 
+		// Prevent EINVAL error
+		if (seconds < 0 || seconds > 999999999) {
+			seconds = 0;
+		}
+
 		if(seconds) {
 			t_r.it_value.tv_sec = seconds;
 			t_r.it_value.tv_usec = t_r.it_interval.tv_sec = t_r.it_interval.tv_usec = 0;
diff --git a/Zend/zend_max_execution_timer.c b/Zend/zend_max_execution_timer.c
index 16c2b7e2b8d..6f09d2fa227 100644
--- a/Zend/zend_max_execution_timer.c
+++ b/Zend/zend_max_execution_timer.c
@@ -85,6 +85,11 @@ void zend_max_execution_timer_settime(zend_long seconds) /* {{{ }*/
 
 	timer_t timer = EG(max_execution_timer_timer);
 
+	// Prevent EINVAL error
+	if (seconds < 0 || seconds > 999999999) {
+		seconds = 0;
+	}
+
 	struct itimerspec its;
 	its.it_value.tv_sec = seconds;
 	its.it_value.tv_nsec = its.it_interval.tv_sec = its.it_interval.tv_nsec = 0;
diff --git a/ext/posix/posix.c b/ext/posix/posix.c
index 6d72ae14a88..9b06d8554f2 100644
--- a/ext/posix/posix.c
+++ b/ext/posix/posix.c
@@ -1009,7 +1009,7 @@ PHP_FUNCTION(posix_getpwuid)
 try_again:
 	err = getpwuid_r(uid, &_pw, pwbuf, pwbuflen, &retpwptr);
 	if (err || retpwptr == NULL) {
-		if (errno == ERANGE) {
+		if (err == ERANGE) {
 			pwbuflen *= 2;
 			pwbuf = erealloc(pwbuf, pwbuflen);
 			goto try_again;