函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\apparmor\task.c Create Date:2022-07-27 21:26:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：aa_get_task_label - Get another task's label*@task: task to query (NOT NULL)* Returns: counted reference to @task's label

函数原型：struct aa_label *aa_get_task_label(struct task_struct *task)

返回类型：struct aa_label

参数：

类型参数名称
struct task_struct *task
28  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
29  p等于aa_get_newest_label - find the newest version of @l*@l: the label to check for newer versions of* Returns: refcounted newest version of @l taking into account* replacement, renames and removals* return @l.
30  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
32  返回:p
调用者
名称描述
may_change_ptraced_domainmay_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:
apparmor_ptrace_access_check
apparmor_ptrace_traceme
apparmor_task_getsecid
apparmor_task_kill