函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\selinux\hooks.c Create Date:2022-07-27 20:29:35
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：selinux_inode_follow_link

函数原型：static int selinux_inode_follow_link(struct dentry *dentry, struct inode *inode, bool rcu)

返回类型：int

参数：

类型参数名称
struct dentry *dentry
struct inode *inode
boolrcu
3001  cred等于current_cred - Access the current task's subjective credentials* Access the subjective credentials of the current task. RCU-safe,* since nobody else can modify it.()
3006  validate_creds(cred)
3008  type等于LSM_AUDIT_DATA_DENTRY
3009  dentry等于dentry
3010  sid等于get the security ID of a set of credentials
3011  isec等于inode_security_rcu(inode, rcu)
3012  如果是错误则返回:错误
3015  返回:avc_has_perm_flags( & selinux_state, sid, SID of this object , security class of this object , FILE__READ, & ad, rcu ? called from RCU mode, don't block : 0)