Defined in 1 files as a function:
Referenced in 7 files:
- include/linux/can/skb.h, line 83
- net/can/af_can.c, line 269
- net/can/bcm.c
- net/can/isotp.c
- net/can/j1939/main.c, line 55
- net/can/j1939/socket.c, line 329
- net/can/j1939/transport.c, line 1083
Smatch caller information:
drivers/net/can/vcan.c can_create_echo_skb() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->notrefcnt_tracker.dead | 1 |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->refcnt_tracker.dead | 1 |
| PARAM_VALUE | 1 | sk->sk_bpf_storage->owner_refcnt.refs.counter | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_error_queue.next | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->sk_error_queue.prev | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->sk_error_queue.prev->next->next | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->sk_owner->refcnt.counter | 0-s32max |
| PARAM_VALUE | 1 | sk->sk_prot_creator->owner->refcnt.counter | 0-s32max |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | sk->sk_backlog.len | |
| UNITS | 1 | sk | unit_byte |
| HALF_LOCKED2 | &txq->_xmit_lock | ||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | rcu_read |
net/can/j1939/main.c j1939_can_recv() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 1 | sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk->sk_peer_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->thread_keyring->user->qnkeys | s32min-s32max |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | sk->sk_backlog.len | |
| UNITS | 1 | sk | unit_byte |
| LOCK2 | rcu_read |
drivers/net/can/janz-ican3.c can_create_echo_skb() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 1 | sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 1 | sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk->sk_peer_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk->sk_peer_cred->thread_keyring->user->qnkeys | s32min-s32max |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | sk->sk_backlog.len | |
| UNITS | 1 | sk | unit_byte |
| LOCK2 | &mod->lock | ||
| HALF_LOCKED2 | &txq->_xmit_lock | ||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | rcu_read | ||
| TYPE_LOCK | (struct ican3_dev)->lock |
net/can/bcm.c bcm_can_tx() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data_len | 0 |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->refcnt_tracker.list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions->refcnt.refs.counter | 1 |
| PARAM_VALUE | 0 | skb->slow_gro | 1 |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| CAPPED_DATA | 0 | skb->dev->ifindex | 1 |
| CAPPED_DATA | 1 | sk->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | skb | r alloc_skb |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | sk | unit_byte |
| HALF_LOCKED2 | rcu_read |
net/can/bcm.c bcm_tx_send() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data_len | 0 |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->refcnt_tracker.list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions->refcnt.refs.counter | 1 |
| PARAM_VALUE | 0 | skb->slow_gro | 1 |
| PARAM_VALUE | 1 | sk | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->bound | s32min-(-1),1-s32max |
| PARAM_VALUE | 1 | sk->sk_lock.owned | 1 |
| PARAM_VALUE | 1 | sk->sk_lock.slock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | sk->sk_lock.wq.head.prev | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->sk_lock.wq.head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->sk_lock.wq.head.prev->next->next | 4096-ptr_max |
| BUF_SIZE | 0 | skb | 16,72 |
| BUF_SIZE | 0 | skb | 16,72 |
| CAPPED_DATA | 0 | skb->dev->ifindex | 1 |
| CAPPED_DATA | 1 | sk->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | skb | r alloc_skb |
| DATA_SOURCE | 1 | sk | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | sk->sk_backlog.len | |
| UNITS | 1 | sk | unit_byte |
| LOCK2 | 1 | sk | |
| HALF_LOCKED2 | &vq->mutex |
net/can/isotp.c isotp_send_cframe() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data->data | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data_len | 0 |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->refcnt_tracker.list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions->refcnt.refs.counter | 1 |
| PARAM_VALUE | 0 | skb->hash | 1-u32max |
| PARAM_VALUE | 0 | skb->slow_gro | 1 |
| PARAM_VALUE | 0 | skb->sw_hash | 1 |
| PARAM_VALUE | 0 | *skb->data->data | 0-255 |
| PARAM_VALUE | 1 | sk | 4096-ptr_max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 1 | sk | 1480 |
| CAPPED_DATA | 0 | skb->dev->ifindex | 1 |
| CAPPED_DATA | 1 | sk->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | skb | r alloc_skb |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HALF_LOCKED2 | &so->rx_lock | ||
| HALF_LOCKED2 | rcu_read |
net/can/isotp.c isotp_send_fc() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->refcnt_tracker.list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions->refcnt.refs.counter | 1 |
| PARAM_VALUE | 0 | skb->slow_gro | 1 |
| PARAM_VALUE | 1 | sk | 4096-ptr_max |
| PARAM_VALUE | 1 | sk->rx.state | 0,3 |
| PARAM_VALUE | 1 | sk->rx_lock.rlock.dep_map->name | 0-255 |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 1 | sk | 1-s32max |
| BUF_SIZE | 1 | sk | 1-s32max |
| CAPPED_DATA | 0 | skb->dev->ifindex | 1 |
| CAPPED_DATA | 1 | sk->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | skb | r alloc_skb |
| DATA_SOURCE | 1 | sk | $0 |
| HARD_MAX | 1 | sk->rx.state | 3 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &so->rx_lock | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct isotp_sock)->rx_lock |
net/can/af_can.c can_send() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | sk->sk_backlog.len | |
| UNITS | 1 | sk | unit_byte |
| HALF_LOCKED2 | &so->rx_lock | ||
| HALF_LOCKED2 | rcu_read |
drivers/net/can/dev/skb.c can_create_echo_skb() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | sk->sk_backlog.len | |
| UNITS | 1 | sk | unit_byte |
| HALF_LOCKED2 | &card->spin | ||
| HALF_LOCKED2 | &priv->echo_lock | ||
| HALF_LOCKED2 | &priv->hi3110_lock | ||
| HALF_LOCKED2 | &priv->mcp_lock | ||
| HALF_LOCKED2 | &priv->tx_lock | ||
| HALF_LOCKED2 | &up->echo_skb_lock |
net/can/j1939/transport.c j1939_simple_txnext() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->extensions->refcnt.refs.counter | 1 |
| PARAM_VALUE | 0 | skb->slow_gro | 1 |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | sk | unit_byte |
| HALF_LOCKED2 | irq |
net/can/j1939/socket.c j1939_sk_recv_one() -> can_skb_set_owner()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | r skb_clone |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | sk | unit_byte |
| LOCK2 | &priv->j1939_socks_lock | ||
| LOCK2 | bh | ||
| LOCK2 | rcu_read | ||
| TYPE_LOCK | (struct j1939_priv)->j1939_socks_lock |