From 0476bb1de54896b6c062125f22318533998ce94a Mon Sep 17 00:00:00 2001 From: Xinchen Hui Date: Sun, 21 Aug 2016 17:38:03 +0800 Subject: Fixed bug #72911 (Memleak in zend_binary_assign_op_obj_helper) --- Zend/tests/bug72911.phpt | 17 +++++++++++++++++ Zend/zend_execute.c | 4 +++- 2 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 Zend/tests/bug72911.phpt (limited to 'Zend') diff --git a/Zend/tests/bug72911.phpt b/Zend/tests/bug72911.phpt new file mode 100644 index 0000000000..098261cadf --- /dev/null +++ b/Zend/tests/bug72911.phpt @@ -0,0 +1,17 @@ +--TEST-- +Bug #72911 (Memleak in zend_binary_assign_op_obj_helper) +--FILE-- +b->i -= 0; + +var_dump($b); + +?> +--EXPECTF-- +Warning: Attempt to modify property of non-object in %sbug72911.php on line %d + +Warning: Attempt to assign property of non-object in %sbug72911.php on line %d +NULL diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c index a2ef9c3f4d..9a3f69e026 100644 --- a/Zend/zend_execute.c +++ b/Zend/zend_execute.c @@ -595,7 +595,9 @@ static inline void zend_assign_to_variable_reference(zval *variable_ptr, zval *v static inline int make_real_object(zval *object) { if (UNEXPECTED(Z_TYPE_P(object) != IS_OBJECT)) { - if (EXPECTED(Z_TYPE_P(object) <= IS_FALSE)) { + if (UNEXPECTED(object == &EG(error_zval))) { + return 0; + } else if (EXPECTED(Z_TYPE_P(object) <= IS_FALSE)) { /* nothing to destroy */ } else if (EXPECTED((Z_TYPE_P(object) == IS_STRING && Z_STRLEN_P(object) == 0))) { zval_ptr_dtor_nogc(object); -- cgit v1.2.1