函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\smack\smack_lsm.c Create Date:2022-07-27 20:50:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：smack_cred_getsecid - get the secid corresponding to a creds structure*@cred: the object creds*@secid: where to put the result* Sets the secid to contain a u32 version of the smack label.

函数原型：static void smack_cred_getsecid(const struct cred *cred, unsigned int *secid)

返回类型：void

参数：

类型参数名称
const struct cred *cred
unsigned int *secid
1993  _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
1994  skp等于Present a pointer to the smack label entry in an task blob.
1995  secid等于smk_secid
1996  _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()