函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\apparmor\lsm.c Create Date:2022-07-27 21:37:15
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：apparmor_ptrace_access_check

函数原型：static int apparmor_ptrace_access_check(struct task_struct *child, unsigned int mode)

返回类型：int

参数：

类型参数名称
struct task_struct *child
unsigned intmode
121  tracer等于__begin_current_label_crit_section - current's confining label* Returns: up to date confining label or the ns unconfined label (NOT NULL)* safe to call inside locks* The returned reference must be put with __end_current_label_crit_section()* This must NOT
122  tracee等于aa_get_task_label - Get another task's label*@task: task to query (NOT NULL)* Returns: counted reference to @task's label
123  error等于aa_may_ptrace - test if tracer task can trace the tracee*@tracer: label of the task doing the tracing (NOT NULL)*@tracee: task label to be traced*@request: permission request* Returns: %0 else error code if permission denied or error
126  aa_put_label(tracee)
127  __end_current_label_crit_section(tracer)
129  返回:error