keyring_alloc

函数名称：Allocate a keyring and link into the destination keyring.

函数原型：struct key *keyring_alloc(const char *description, kuid_t uid, kgid_t gid, const struct cred *cred, key_perm_t perm, unsigned long flags, struct key_restriction *restrict_link, struct key *dest)

返回类型：struct key

参数：

类型	参数	名称
const char *	description
kuid_t	uid
kgid_t	gid
const struct cred *	cred
key_perm_t	perm
unsigned long	flags
struct key_restriction *	restrict_link
struct key *	dest

**调用者**
名称	描述
get_user_register	Get or create a user register keyring.
look_up_user_keyrings	Look up the user and user session keyrings for the current process's UID,* creating them if they don't exist.
install_thread_keyring_to_cred	Install a thread keyring to the given credentials struct if it didn't have* one already. This is allowed to overrun the quota.* Return: 0 if a thread keyring is now present; -errno on failure.
install_process_keyring_to_cred	Install a process keyring to the given credentials struct if it didn't have* one already. This is allowed to overrun the quota.* Return: 0 if a process keyring is now present; -errno on failure.
install_session_keyring_to_cred	Install the given keyring as the session keyring of the given credentials* struct, replacing the existing one if any. If the given keyring is NULL,* then install a new anonymous session keyring.*@cred can not be in use by any task yet.
join_session_keyring	Join the named keyring as the session keyring if possible else attempt to* create a new one of that name and join that
call_sbin_request_key	Request userspace finish the construction of a key* - execute "/sbin/request-key "
key_create_persistent_register	Create the persistent keyring register for the current user namespace.* Called with the namespace's sem locked for writing.
key_create_persistent	Create the persistent keyring for the specified user.* Called with the namespace's sem locked for writing.
__integrity_init_keyring
ima_mok_init	Allocate the IMA blacklist keyring
allocate_master_key_users_keyring
fsverity_init_signature

函数逻辑报告