函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\selinux\avc.c Create Date:2022-07-27 20:16:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：avc_hash

函数原型：static inline int avc_hash(unsigned int ssid, unsigned int tsid, u16 tclass)

返回类型：int

参数：

类型参数名称
unsigned intssid
unsigned inttsid
u16tclass
126  返回:ssid按位异或tsid左移2位按位异或tclass左移4位的值按位与AVC_CACHE_SLOTS减1
调用者
名称描述
avc_search_node
avc_insertavc_insert - Insert an AVC entry.*@ssid: source security identifier*@tsid: target security identifier*@tclass: target security class*@avd: resulting av decision*@xp_node: resulting extended permissions* Insert an AVC entry for the SID pair
avc_update_nodeavc_update_node Update an AVC entry*@event : Updating event*@perms : Permission mask bits*@ssid,@tsid,@tclass : identifier of an AVC entry*@seqno : sequence number when decision was made*@xpd: extended_perms_decision to be added to the node