Fix 0 Byte leak after alloca to emalloc change

diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index 4acdcf2c9bab7463694a23b1eb36eeaa1878e165..9d997576eab262aec56d9166a10e43ca9d30ec81 100644 (file)
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -1330,7 +1330,7 @@ static int zend_check_symbol(zval **pz TSRMLS_DC)
        }
 
 #define RETURN_FROM_EXECUTE_LOOP(execute_data)                                                         \
-       efree(EX(Ts));                                                                                                  \
+       if (EX(Ts)) efree(EX(Ts));                                                                                                      \
        EG(in_execution) = EX(original_in_execution);                                                   \
        EG(current_execute_data) = EX(prev_execute_data);                                               \
        return 1; /* CHECK_ME */
@@ -1349,7 +1349,7 @@ ZEND_API void execute(zend_op_array *op_array TSRMLS_DC)
        /* Initialize execute_data */
        EX(fbc) = NULL;
        EX(object) = NULL;
-       EX(Ts) = (temp_variable *) safe_emalloc(sizeof(temp_variable), op_array->T, 0);
+       EX(Ts) = (temp_variable *) (op_array->T ? safe_emalloc(sizeof(temp_variable), op_array->T, 0) : NULL);
        EX(op_array) = op_array;
        EX(original_in_execution) = EG(in_execution);
        EX(prev_execute_data) = EG(current_execute_data);