函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:security\apparmor\label.c Create Date:2022-07-27 21:45:03
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：aa_label_merge - attempt to insert new merged label of @a and @b*@ls: set of labels to insert label into (NOT NULL)*@a: label to merge with @b (NOT NULL)*@b: label to merge with @a (NOT NULL)*@gfp: memory allocation type* Requires: caller to hold valid

函数原型：struct aa_label *aa_label_merge(struct aa_label *a, struct aa_label *b, gfp_t gfp)

返回类型：struct aa_label

参数：

类型参数名称
struct aa_label *a
struct aa_label *b
gfp_tgfp
1193  struct aa_label * label = NULL
1195  AA_BUG(!a)
1196  AA_BUG(!b)
1198  如果a恒等于b则返回:aa_get_newest_label - find the newest version of @l*@l: the label to check for newer versions of* Returns: refcounted newest version of @l taking into account* replacement, renames and removals* return @l.
1207  如果非label则
1210  a等于aa_get_newest_label - find the newest version of @l*@l: the label to check for newer versions of* Returns: refcounted newest version of @l taking into account* replacement, renames and removals* return @l.
1211  b等于aa_get_newest_label - find the newest version of @l*@l: the label to check for newer versions of* Returns: refcounted newest version of @l taking into account* replacement, renames and removals* return @l.
1216  new等于aa_label_alloc - allocate a label with a profile vector of @size length*@size: size of profile vector in the label*@proxy: proxy to use OR null if to allocate a new one*@gfp: memory allocation type* Returns: new label* else NULL if failed
1217  如果非new则转到:out
1220  label等于label_merge_insert - create a new label by merging @a and @b*@new: preallocated label to merge into (NOT NULL)*@a: label to merge with @b (NOT NULL)*@b: label to merge with @a (NOT NULL)* Requires: preallocated proxy* Returns: ref counted label either
1221  label_free_or_put_new(label, new)
1222  out :
1223  aa_put_label(a)
1224  aa_put_label(b)
1227  返回:label
调用者
名称描述
aa_change_profileaa_change_profile - perform a one-way profile transition*@fqname: name of profile may include namespace (NOT NULL)*@onexec: whether this transition is to take place immediately or at exec*@flags: flags affecting change behavior
update_file_ctx
handle_onexecsure none ns domain transitions are correctly applied with onexec