函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\uid16.c Create Date:2022-07-27 11:56:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：groups16_to_user

函数原型：static int groups16_to_user(old_gid_t __user *grouplist, struct group_info *group_info)

返回类型：int

参数：

类型参数名称
old_gid_t __user *grouplist
struct group_info *group_info
117  user_ns等于current_user_ns()
122  以i小于ngroups循环
123  kgid等于gid[i]
124  group等于high2lowgid(from_kgid_munged(user_ns, kgid))
125  如果put_user - Write a simple value into user space(group, grouplist + i)则返回:负EFAULT
129  返回:0
调用者
名称描述
SYSCALL_DEFINE2