函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\user_namespace.c Create Date:2022-07-27 12:22:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：userns_may_setgroups

函数原型：bool userns_may_setgroups(const struct user_namespace *ns)

返回类型：bool

参数：

类型参数名称
const struct user_namespace *ns
1204  mutex_lock( & userns_state_mutex)
1208  allowed等于 64 bytes -- 1 cache line 不等于0
1210  allowed等于allowed且flags按位与USERNS_SETGROUPS_ALLOWED
1211  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
1213  返回:allowed