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 20:51:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：smack_sk_free_security - Free a socket blob*@sk: the socket* Clears the blob pointer

函数原型：static void smack_sk_free_security(struct sock *sk)

返回类型：void

参数：

类型参数名称
struct sock *sk
2281  如果sk_family恒等于PF_INET6则
2282  _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
2284  如果socket initialized on 不等于sk则继续下一循环
2286  smk_can_reuse等于1
2287  退出
2289  _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()
2292  释放内存