json_object_put: Assertion `jso->_ref_count > 0' failed

[CaledoniaProject]

Describe the bug
Trying to call put on all the json_object I've created, but fails with assertion error

Steps To Reproduce

According to the document I should call put on all objects, but it crashes:

struct json_object *obj_root, *obj_status;
obj_root = json_tokener_parse(input);
if (obj_root == NULL)
{
	return NULL;
}

obj_status = json_object_object_get(obj_root, "Status");
if (obj_status == NULL)
{
	return NULL;
}

json_object_put(obj_status);
json_object_put(obj_root);     // crashes here

Version and Platform

• json-c version: 0.13.1
• OS: Ubuntu 20.04

[hawicz]

You're freeing obj_status twice, first explicitly, then again as part of freeing obj_root. json_object_object_get() does not change reference counts on the object it returns so you must not free that separately from its containing object.