add test

php · Oct 12, 2024 · 972f582 · 972f582
1 parent bf0c2a8
commit 972f582
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diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c
@@ -1290,6 +1290,7 @@ ZEND_FUNCTION(gmp_pow)
 		INIT_GMP_RETVAL(gmpnum_result);
 		gmpnum = mpz_get_ui(gmpnum_base);
 		if ((log10(gmpnum) * exp) > (double)ULONG_MAX) {
+			FREE_GMP_TEMP(temp_base);
 			zend_value_error("base and exponent overflow");
 			RETURN_THROWS();
 		}

diff --git a/ext/gmp/tests/gmp_pow_fpe.phpt b/ext/gmp/tests/gmp_pow_fpe.phpt
@@ -0,0 +1,22 @@
+--TEST--
+gmp_pow() floating point exception
+--EXTENSIONS--
+gmp
+--FILE--
+<?php
+$g = gmp_init(256);
+
+try {
+	gmp_pow($g, PHP_INT_MAX);
+} catch (\ValueError $e) {
+	echo $e->getMessage() . PHP_EOL;
+}
+try {
+	gmp_pow(256, PHP_INT_MAX);
+} catch (\ValueError $e) {
+	echo $e->getMessage();
+}
+?>
+--EXPECT--
+base and exponent overflow
+base and exponent overflow