Revert gmp overflow

NEWS

@@ -14,13 +14,21 @@ PHP                                                                        NEWS
     (nielsdos)
   . Fixed bug GH-16630 (UAF in lexer with encoding translation and heredocs).
     (nielsdos)
+  . Fix is_zend_ptr() huge block comparison. (nielsdos)
+
+- Curl:
+  . Fix various memory leaks in curl mime handling. (nielsdos)
 
 - FPM:
   . Fixed GH-16432 (PHP-FPM 8.2 SIGSEGV in fpm_get_status). (Jakub Zelenka)
 
 - GD:
   . Fixed GH-16776 (imagecreatefromstring overflow). (David Carlier)
 
+- GMP:
+  . Revert gmp_pow() overly restrictive overflow checks.
+    (David Carlier)
+
 - Hash:
   . Fixed GH-16711: Segfault in mhash(). (Girgias)
 
@@ -29,6 +37,7 @@ PHP                                                                        NEWS
     (nielsdos, Dmitry)
   . Fixed bug GH-16851 (JIT_G(enabled) not set correctly on other threads).
     (dktapps)
+  . Fixed bug GH-16902 (Set of opcache tests fail zts+aarch64). (nielsdos)
 
 - OpenSSL:
   . Prevent unexpected array entry conversion when reading key. (nielsdos)
@@ -42,10 +51,17 @@ PHP                                                                        NEWS
   . Fixed bug GH-16695 (phar:// tar parser and zero-length file header blocks).
     (nielsdos, Hans Krentel)
 
+- PHPDBG:
+  . Fixed bug GH-15208 (Segfault with breakpoint map and phpdbg_clear()).
+    (nielsdos)
+
 - SimpleXML:
   . Fixed bug GH-16808 (Segmentation fault in RecursiveIteratorIterator
     ->current() with a xml element input). (nielsdos)
 
+- Windows:
+  . Fixed bug GH-16849 (Error dialog causes process to hang). (cmb)
+
 21 Nov 2024, PHP 8.2.26
 
 - CLI:

ext/gmp/gmp.c

@@ -1350,26 +1350,13 @@ ZEND_FUNCTION(gmp_pow)
 		RETURN_THROWS();
 	}
 
-    double powmax = log((double)ZEND_LONG_MAX);
-
 	if (Z_TYPE_P(base_arg) == IS_LONG && Z_LVAL_P(base_arg) >= 0) {
 		INIT_GMP_RETVAL(gmpnum_result);
-		if ((log(Z_LVAL_P(base_arg)) * exp) > powmax) {
-			zend_value_error("base and exponent overflow");
-			RETURN_THROWS();
-		}
 		mpz_ui_pow_ui(gmpnum_result, Z_LVAL_P(base_arg), exp);
 	} else {
 		mpz_ptr gmpnum_base;
-		zend_ulong gmpnum;
 		FETCH_GMP_ZVAL(gmpnum_base, base_arg, temp_base, 1);
 		INIT_GMP_RETVAL(gmpnum_result);
-		gmpnum = mpz_get_ui(gmpnum_base);
-		if ((log(gmpnum) * exp) > powmax) {
-			FREE_GMP_TEMP(temp_base);
-			zend_value_error("base and exponent overflow");
-			RETURN_THROWS();
-		}
 		mpz_pow_ui(gmpnum_result, gmpnum_base, exp);
 		FREE_GMP_TEMP(temp_base);
 	}

ext/gmp/tests/gmp_pow.phpt

@@ -2,8 +2,6 @@
 gmp_pow() basic tests
 --EXTENSIONS--
 gmp
---SKIPIF--
-<?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?>
 --FILE--
 <?php