函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\apparmor\apparmorfs.c Create Date:2022-07-27 21:21:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：.replace file hook fn to load and/or replace policy

函数原型：static ssize_t profile_replace(struct file *f, const char __user *buf, size_t size, loff_t *pos)

返回类型：ssize_t

参数：

类型参数名称
struct file *f
const char __user *buf
size_tsize
loff_t *pos
491  ns等于aa_get_ns - increment references count on @ns*@ns: namespace to increment reference count of (MAYBE NULL)* Returns: pointer to @ns, if @ns is NULL returns NULL* Requires: @ns must be held with valid refcount when called
492  error等于policy_update(AA_MAY_LOAD_POLICY | AA_MAY_REPLACE_POLICY, buf, size, pos, ns)
494  aa_put_ns - decrement refcount on @ns*@ns: namespace to put reference of* Decrement reference count of @ns and if no longer in use free it
496  返回:error