key_link identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

security/keys/keyring.c, line 1421

Defined in 1 files as a prototype:

include/linux/key.h, line 410 (as a prototype)

Defined in 1 files as a function:

security/keys/keyring.c, line 1441 (as a function)

Referenced in 8 files:

Smatch caller information:

security/keys/request_key.c call_sbin_request_key() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	4096-ptr_max
PARAM_VALUE	0	keyring->domain_tag	4096-ptr_max
PARAM_VALUE	0	keyring->index_key->desc	0-255
PARAM_VALUE	0	keyring->index_key.description	1-u64max
PARAM_VALUE	0	keyring->index_key.domain_tag->rcu.func	0
PARAM_VALUE	0	keyring->index_key.domain_tag->rcu.next	0
PARAM_VALUE	0	keyring->index_key.domain_tag->removed	0
PARAM_VALUE	0	keyring->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	0	keyring->index_key.type	4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link	0,4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	0	keyring->security	0,4096-ptr_max
PARAM_VALUE	0	keyring->sem.count.counter	0
PARAM_VALUE	0	keyring->sem.dep_map->name	0-255
PARAM_VALUE	0	keyring->sem.first_waiter	0
PARAM_VALUE	0	keyring->sem.magic	4096-ptr_max
PARAM_VALUE	0	keyring->sem.osq.tail.counter	0
PARAM_VALUE	0	keyring->sem.owner.counter	0
PARAM_VALUE	0	keyring->serial	3-s32max
PARAM_VALUE	0	keyring->serial_node.__rb_parent_color	1
PARAM_VALUE	0	keyring->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	0	keyring->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	0	keyring->type	4096-ptr_max
PARAM_VALUE	0	keyring->user	1-u64max
PARAM_VALUE	0	keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	key	4096-ptr_max
PARAM_VALUE	1	key->domain_tag	4096-ptr_max
PARAM_VALUE	1	key->index_key->desc	0-255
PARAM_VALUE	1	key->index_key.description	1-u64max
PARAM_VALUE	1	key->index_key.domain_tag->rcu.func	0
PARAM_VALUE	1	key->index_key.domain_tag->rcu.next	0
PARAM_VALUE	1	key->index_key.domain_tag->removed	0
PARAM_VALUE	1	key->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	1	key->index_key.type	4096-ptr_max
PARAM_VALUE	1	key->restrict_link	0,4096-ptr_max
PARAM_VALUE	1	key->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	1	key->security	0,4096-ptr_max
PARAM_VALUE	1	key->sem.count.counter	0
PARAM_VALUE	1	key->sem.dep_map->name	0-255
PARAM_VALUE	1	key->sem.first_waiter	0
PARAM_VALUE	1	key->sem.magic	4096-ptr_max
PARAM_VALUE	1	key->sem.osq.tail.counter	0
PARAM_VALUE	1	key->sem.owner.counter	0
PARAM_VALUE	1	key->serial	3-s32max
PARAM_VALUE	1	key->serial_node.__rb_parent_color	1
PARAM_VALUE	1	key->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	1	key->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	1	key->type	4096-ptr_max
PARAM_VALUE	1	key->user	1-u64max
PARAM_VALUE	1	key->user->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	keyring	r keyring_alloc
DATA_SOURCE	1	key	$0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	keyring->quotalen
NO_OVERFLOW_SIMPLE	0	keyring->user->qnbytes
NO_OVERFLOW_SIMPLE	1	key->quotalen
NO_OVERFLOW_SIMPLE	1	key->user->qnbytes
HALF_LOCKED2		&idmap->idmap_mutex
HALF_LOCKED2		global &key_types_sem

security/keys/request_key.c request_key_and_link() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	4096-ptr_max
PARAM_VALUE	1	key	0,4096-ptr_max
DATA_SOURCE	0	keyring	$6
DATA_SOURCE	1	key	r key_ref_to_ptr
RX_PATH
LOCK2		global &key_types_sem

net/handshake/tlshd.c tls_handshake_private_keyring() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	0,4096-ptr_max
PARAM_VALUE	1	key	0,4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->lock
HALF_LOCKED2		&devlink->lock
HALF_LOCKED2		&net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2		global &audit_cmd_mutex.lock
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &crypto_cfg_mutex
HALF_LOCKED2		global &dpll_lock
HALF_LOCKED2		global &hwsim_phys_lock
HALF_LOCKED2		global &net_dm_mutex
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &rx_queue_mutex
HALF_LOCKED2		rcu_read

net/rxrpc/rxperf.c rxperf_add_rxkad_key() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	4096-ptr_max
PARAM_VALUE	0	keyring->domain_tag	4096-ptr_max
PARAM_VALUE	0	keyring->index_key->desc	0-255
PARAM_VALUE	0	keyring->index_key.description	1-u64max
PARAM_VALUE	0	keyring->index_key.domain_tag->rcu.func	0
PARAM_VALUE	0	keyring->index_key.domain_tag->rcu.next	0
PARAM_VALUE	0	keyring->index_key.domain_tag->removed	0
PARAM_VALUE	0	keyring->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	0	keyring->index_key.type	4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link	0,4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	0	keyring->security	0,4096-ptr_max
PARAM_VALUE	0	keyring->sem.count.counter	0
PARAM_VALUE	0	keyring->sem.dep_map->name	0-255
PARAM_VALUE	0	keyring->sem.first_waiter	0
PARAM_VALUE	0	keyring->sem.magic	4096-ptr_max
PARAM_VALUE	0	keyring->sem.osq.tail.counter	0
PARAM_VALUE	0	keyring->sem.owner.counter	0
PARAM_VALUE	0	keyring->serial	3-s32max
PARAM_VALUE	0	keyring->serial_node.__rb_parent_color	1
PARAM_VALUE	0	keyring->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	0	keyring->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	0	keyring->type	4096-ptr_max
PARAM_VALUE	0	keyring->user	1-u64max
PARAM_VALUE	0	keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	key	4096-ptr_max
DATA_SOURCE	0	keyring	$0
NO_OVERFLOW_SIMPLE	0	keyring->quotalen
NO_OVERFLOW_SIMPLE	0	keyring->user->qnbytes

net/rxrpc/rxperf.c rxperf_add_yfs_rxgk_key() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	4096-ptr_max
PARAM_VALUE	0	keyring->domain_tag	4096-ptr_max
PARAM_VALUE	0	keyring->index_key->desc	0-255
PARAM_VALUE	0	keyring->index_key.description	1-u64max
PARAM_VALUE	0	keyring->index_key.domain_tag->rcu.func	0
PARAM_VALUE	0	keyring->index_key.domain_tag->rcu.next	0
PARAM_VALUE	0	keyring->index_key.domain_tag->removed	0
PARAM_VALUE	0	keyring->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	0	keyring->index_key.type	4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link	0,4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	0	keyring->security	0,4096-ptr_max
PARAM_VALUE	0	keyring->sem.dep_map->name	0-255
PARAM_VALUE	0	keyring->sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	keyring->sem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	0	keyring->sem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	0	keyring->sem.first_waiter->type	0-1
PARAM_VALUE	0	keyring->serial	3-s32max
PARAM_VALUE	0	keyring->serial_node.__rb_parent_color	1
PARAM_VALUE	0	keyring->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	0	keyring->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	0	keyring->type	4096-ptr_max
PARAM_VALUE	0	keyring->user	1-u64max
PARAM_VALUE	0	keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	key	4096-ptr_max
CAPPED_DATA	0	keyring	1
DATA_SOURCE	0	keyring	$0
NO_OVERFLOW_SIMPLE	0	keyring->quotalen
NO_OVERFLOW_SIMPLE	0	keyring->user->qnbytes

security/keys/keyctl.c keyctl_keyring_link() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	0,4096-ptr_max
PARAM_VALUE	1	key	0,4096-ptr_max

security/keys/keyctl.c keyctl_keyring_search() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	0,4096-ptr_max
PARAM_VALUE	1	key	4096-ptr_max
LOCK2		global &key_types_sem

security/keys/persistent.c key_get_persistent() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	0,4096-ptr_max
PARAM_VALUE	1	key	0,2-u64max
DATA_SOURCE	1	key	r key_ref_to_ptr

certs/system_keyring.c set_machine_trusted_keys() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	1	key	4096-ptr_max
DATA_SOURCE	1	key	$0

certs/system_keyring.c system_trusted_keyring_init() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	4096-ptr_max
PARAM_VALUE	0	keyring->domain_tag	4096-ptr_max
PARAM_VALUE	0	keyring->index_key->desc	0-255
PARAM_VALUE	0	keyring->index_key.description	1-u64max
PARAM_VALUE	0	keyring->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	0	keyring->index_key.type	4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link	0,4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	0	keyring->security	0,4096-ptr_max
PARAM_VALUE	0	keyring->sem.count.counter	0
PARAM_VALUE	0	keyring->sem.dep_map->name	0-255
PARAM_VALUE	0	keyring->sem.first_waiter	0
PARAM_VALUE	0	keyring->sem.magic	4096-ptr_max
PARAM_VALUE	0	keyring->sem.osq.tail.counter	0
PARAM_VALUE	0	keyring->sem.owner.counter	0
PARAM_VALUE	0	keyring->serial	3-s32max
PARAM_VALUE	0	keyring->serial_node.__rb_parent_color	1
PARAM_VALUE	0	keyring->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	0	keyring->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	0	keyring->type	4096-ptr_max
PARAM_VALUE	0	keyring->user	1-u64max
PARAM_VALUE	0	keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	key	4096-ptr_max
PARAM_VALUE	1	key->domain_tag	4096-ptr_max
PARAM_VALUE	1	key->index_key->desc	0-255
PARAM_VALUE	1	key->index_key.description	1-u64max
PARAM_VALUE	1	key->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	1	key->index_key.type	4096-ptr_max
PARAM_VALUE	1	key->restrict_link	0,4096-ptr_max
PARAM_VALUE	1	key->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	1	key->security	0,4096-ptr_max
PARAM_VALUE	1	key->sem.count.counter	0
PARAM_VALUE	1	key->sem.dep_map->name	0-255
PARAM_VALUE	1	key->sem.first_waiter	0
PARAM_VALUE	1	key->sem.magic	4096-ptr_max
PARAM_VALUE	1	key->sem.owner.counter	0
PARAM_VALUE	1	key->serial	3-s32max
PARAM_VALUE	1	key->serial_node.__rb_parent_color	1
PARAM_VALUE	1	key->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	1	key->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	1	key->type	4096-ptr_max
PARAM_VALUE	1	key->user	1-u64max
PARAM_VALUE	1	key->user->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	keyring	r keyring_alloc
DATA_SOURCE	1	key	r keyring_alloc
NO_OVERFLOW_SIMPLE	0	keyring->quotalen
NO_OVERFLOW_SIMPLE	0	keyring->user->qnbytes
NO_OVERFLOW_SIMPLE	1	key->quotalen
NO_OVERFLOW_SIMPLE	1	key->user->qnbytes

security/keys/process_keys.c look_up_user_keyrings() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	4096-ptr_max
PARAM_VALUE	0	keyring->domain_tag	4096-ptr_max
PARAM_VALUE	0	keyring->index_key->desc	0-255
PARAM_VALUE	0	keyring->index_key.description	1-u64max
PARAM_VALUE	0	keyring->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	0	keyring->index_key.type	4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link	0,4096-ptr_max
PARAM_VALUE	0	keyring->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	0	keyring->security	0,4096-ptr_max
PARAM_VALUE	0	keyring->sem.count.counter	0
PARAM_VALUE	0	keyring->sem.dep_map->name	0-255
PARAM_VALUE	0	keyring->sem.first_waiter	0
PARAM_VALUE	0	keyring->sem.magic	4096-ptr_max
PARAM_VALUE	0	keyring->sem.osq.tail.counter	0
PARAM_VALUE	0	keyring->sem.owner.counter	0
PARAM_VALUE	0	keyring->serial	3-s32max
PARAM_VALUE	0	keyring->serial_node.__rb_parent_color	1
PARAM_VALUE	0	keyring->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	0	keyring->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	0	keyring->type	4096-ptr_max
PARAM_VALUE	0	keyring->user	1-u64max
PARAM_VALUE	0	keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	key	4096-ptr_max
DATA_SOURCE	0	keyring	r keyring_alloc
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	keyring->quotalen
NO_OVERFLOW_SIMPLE	0	keyring->user->qnbytes
NO_OVERFLOW_SIMPLE	1	key->quotalen
NO_OVERFLOW_SIMPLE	1	key->user->qnbytes
LOCK2		&user_ns->keyring_sem
TYPE_LOCK		(struct user_namespace)->keyring_sem

security/keys/process_keys.c look_up_user_keyrings() -> key_link()

Type	Parameter	Key	Value
PARAM_VALUE	0	keyring	0-ptr_max
PARAM_VALUE	0	keyring->sem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	keyring->sem.first_waiter->type	0-1
PARAM_VALUE	1	key	4096-ptr_max
PARAM_VALUE	1	key->domain_tag	4096-ptr_max
PARAM_VALUE	1	key->index_key->desc	0-255
PARAM_VALUE	1	key->index_key.description	1-u64max
PARAM_VALUE	1	key->index_key.domain_tag->usage.refs.counter	1
PARAM_VALUE	1	key->index_key.type	4096-ptr_max
PARAM_VALUE	1	key->restrict_link	0,4096-ptr_max
PARAM_VALUE	1	key->restrict_link->check	2597709569863184384,5988328617028292608,6748553998896947200,6954271548785111040,7527111731098238976
PARAM_VALUE	1	key->security	0,4096-ptr_max
PARAM_VALUE	1	key->sem.dep_map->name	0-255
PARAM_VALUE	1	key->sem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	key->sem.first_waiter->list.next	2624917664208203776
PARAM_VALUE	1	key->sem.first_waiter->list.prev	2624917664208203776
PARAM_VALUE	1	key->sem.first_waiter->type	0-1
PARAM_VALUE	1	key->serial	3-s32max
PARAM_VALUE	1	key->serial_node.__rb_parent_color	1
PARAM_VALUE	1	key->serial_node.rb_left	4096-ptr_max
PARAM_VALUE	1	key->serial_node.rb_right	4096-ptr_max
PARAM_VALUE	1	key->type	4096-ptr_max
PARAM_VALUE	1	key->user	1-u64max
PARAM_VALUE	1	key->user->lock.rlock.dep_map->name	0-255
BUF_SIZE	0	keyring	(-1)-s32max
BUF_SIZE	0	keyring	(-1)-s32max
CAPPED_DATA	1	key	1
DATA_SOURCE	1	key	r keyring_alloc
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	keyring->quotalen
NO_OVERFLOW_SIMPLE	0	keyring->user->qnbytes
NO_OVERFLOW_SIMPLE	1	key->quotalen
NO_OVERFLOW_SIMPLE	1	key->user->qnbytes
LOCK2		&user_ns->keyring_sem
TYPE_LOCK		(struct user_namespace)->keyring_sem