Merge branch 'PHP-8.0'

* PHP-8.0:
  Fixed bug #80747

Author: nikic

ext/openssl/openssl.c

@@ -3665,6 +3665,8 @@ static EVP_PKEY * php_openssl_generate_private_key(struct php_x509_request * req
 					PHP_OPENSSL_RAND_ADD_TIME();
 					if (rsaparam == NULL || !RSA_generate_key_ex(rsaparam, req->priv_key_bits, bne, NULL)) {
 						php_openssl_store_errors();
+						RSA_free(rsaparam);
+						rsaparam = NULL;
 					}
 					BN_free(bne);
 					if (rsaparam && EVP_PKEY_assign_RSA(req->priv_key, rsaparam)) {

ext/openssl/tests/bug80747.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Bug #80747: Providing RSA key size < 512 generates key that crash PHP
+--FILE--
+--SKIPIF--
+<?php
+if (!extension_loaded("openssl")) die("skip");
+?>
+--FILE--
+<?php
+
+$conf = array(
+    'config' => __DIR__ . DIRECTORY_SEPARATOR . 'openssl.cnf',
+    'private_key_bits' => 511,
+);
+var_dump(openssl_pkey_new($conf));
+
+?>
+--EXPECT--
+bool(false)