ptrace_parent

函数名称：ptrace_parent - return the task that is tracing the given task*@task: task to consider* Returns %NULL if no one is tracing @task, or the &struct task_struct* pointer to its tracer.* Must called under rcu_read_lock(). The pointer returned might be kept

函数原型：static inline struct task_struct *ptrace_parent(struct task_struct *task)

返回类型：struct task_struct

参数：

类型	参数	名称
struct task_struct *	task

**调用者**
名称	描述
ptrace_parent_sid	prm security operations
smack_bprm_set_creds	smack_bprm_set_creds - set creds for exec@bprm: the exec information Returns 0 if it gets a blob, -EPERM if exec forbidden and -ENOMEM otherwise
may_change_ptraced_domain	may_change_ptraced_domain - check if can change profile on ptraced task@to_label: profile to change to (NOT NULL)@info: message if there is an error* Check if current is ptraced and if so if the tracing task is allowed* to trace the new domain* Returns:
ptracer_exception_found	ptracer_exception_found - tracer registered as exception for this tracee@tracer: the task_struct of the process attempting ptrace@tracee: the task_struct of the process to be ptraced* Returns 1 if tracer has a ptracer exception ancestor for tracee.

函数逻辑报告