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 20:17:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：avc_denied

函数原型：static noinline int avc_denied(struct selinux_state *state, unsigned int ssid, unsigned int tsid, u16 tclass, unsigned int requested, u8 driver, u8 xperm, unsigned int flags, struct av_decision *avd)

返回类型：int

参数：

类型参数名称
struct selinux_state *state
unsigned intssid
unsigned inttsid
u16tclass
unsigned intrequested
u8driver
u8xperm
unsigned intflags
struct av_decision *avd
1013  如果flags按位与Ignore permissive mode. 则返回:负EACCES
1016  如果enforcing_enabled(state)且非flags按位与definitions of av_decision.flags 的值则返回:负EACCES
1020  avc_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
1022  返回:0
调用者
名称描述
avc_has_extended_permsThe avc extended permissions logic adds an additional 256 bits of* permissions to an avc node when extended permissions for that node are* specified in the avtab
avc_has_perm_noauditavc_has_perm_noaudit - Check permissions but perform no auditing