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Avoid segfault if module/extension version is not defined

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This commit is contained in:
Christoph M. Becker 2020-09-14 22:31:15 +02:00
parent dfb3a79914
commit 4e198c0064
1 changed files with 6 additions and 2 deletions
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8
ext/opcache/ZendAccelerator.c
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@ -2710,12 +2710,16 @@ static void accel_gen_system_id(void)
*/
ZEND_HASH_FOREACH_PTR(&module_registry, module) {
PHP_MD5Update(&context, module->name, strlen(module->name));
PHP_MD5Update(&context, module->version, strlen(module->version));
if (module->version != NULL) {
PHP_MD5Update(&context, module->version, strlen(module->version));
}
} ZEND_HASH_FOREACH_END();
extension = (zend_extension *) zend_llist_get_first_ex(&zend_extensions, &pos);
while (extension) {
PHP_MD5Update(&context, extension->name, strlen(extension->name));
PHP_MD5Update(&context, extension->version, strlen(extension->version));
if (extension->version != NULL) {
PHP_MD5Update(&context, extension->version, strlen(extension->version));
}
extension = (zend_extension *) zend_llist_get_next_ex(&zend_extensions, &pos);
}
PHP_MD5Final(digest, &context);