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 12:21:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：m_kgid - Create a gid from a kgid user-namespace pair.*@targ: The user namespace we want a gid in.*@kgid: The kernel internal gid to start with.* Map @kgid into the user-namespace specified by @targ and* return the resulting gid.

函数原型：gid_t from_kgid(struct user_namespace *targ, kgid_t kgid)

返回类型：gid_t

参数：

类型参数名称
struct user_namespace *targ
kgid_tkgid
476  返回:map_id_up( & gid_map, __kgid_val(kgid))
调用者
名称描述
from_kgid_mungedm_kgid_munged - Create a gid from a kgid user-namespace pair.*@targ: The user namespace we want a gid in.*@kgid: The kernel internal gid to start with.* Map @kgid into the user-namespace specified by @targ and* return the resulting gid.
gid_m_show
audit_log_task_info
show_special
audit_log_nameaudit_log_name - produce AUDIT_PATH record from struct audit_names*@context: audit_context for the task*@n: audit_names structure with reportable details*@path: optional path to report instead of audit_names->name*@record_num: record number to report when
audit_log_task
____bpf_get_current_uid_gid
tomoyo_print_headermoyo_print_header - Get header line of audit log.*@r: Pointer to "struct tomoyo_request_info".* Returns string representation.* This function uses kmalloc(), so caller must kfree() if this function* didn't return NULL.
tomoyo_conditionmoyo_condition - Check condition part.*@r: Pointer to "struct tomoyo_request_info".*@cond: Pointer to "struct tomoyo_condition". Maybe NULL.* Returns true on success, false otherwise.* Caller holds tomoyo_read_lock().
tomoyo_path_chownmoyo_path_chown - Target for security_path_chown().*@path: Pointer to "struct path".*@uid: Owner ID.*@gid: Group ID.* Returns 0 on success, negative value otherwise.
hmac_add_miscProtect against 'cutting & pasting' security.evm xattr, include inode* specific info.* (Additional directory/file metadata needs to be added for more complete* protection.)
posix_acl_to_xattrConvert from in-memory to extended attribute representation.
xdr_nfsace_encode
format_corenamermat_corename will inspect the pattern parameter, and output a* name into corename, which must have space for at least* CORENAME_MAX_SIZE bytes plus one byte for the zero terminator.
from_kqidm_kqid - Create a qid from a kqid user-namespace pair.*@targ: The user namespace we want a qid in.*@kqid: The kernel internal quota identifier to start with.* Map @kqid into the user-namespace specified by @targ and* return the resulting qid.
from_kgid_munged
i_gid_read