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 21:37:42
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：apparmor_file_alloc_security

函数原型：static int apparmor_file_alloc_security(struct file *file)

返回类型：int

参数：

类型参数名称
struct file *file
438  ctx等于file_ctx(file)
439  label等于gin_current_label_crit_section - current's confining label and update it* Returns: up to date confining label or the ns unconfined label (NOT NULL)* Not safe to call inside locks* The returned reference must be put with end_current_label_crit_section()*
441  spin_lock_init( & lock)
442  cu_assign_pointer() - assign to RCU-protected pointer*@p: pointer to assign to*@v: value to assign (publish)* Assigns the specified value to the specified RCU-protected* pointer, ensuring that any concurrent RCU readers will see* any prior initialization(label, aa_get_label(label))
443  d_label_crit_section - put a reference found with begin_current_label..*@label: label reference to put* Should only be used with a reference obtained with* begin_current_label_crit_section and never used in situations where the* task cred may be updated
444  返回:0