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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

net/l2tp/l2tp_eth.c l2tp_eth_create() -> l2tp_session_register()

Type Parameter Key Value
PARAM_VALUE 0 session 4096-ptr_max
PARAM_VALUE 0 session->clist.next 4096-ptr_max
PARAM_VALUE 0 session->clist.next->next 4096-ptr_max
PARAM_VALUE 0 session->clist.prev 4096-ptr_max
PARAM_VALUE 0 session->clist.prev->next 4096-ptr_max
PARAM_VALUE 0 session->clist.prev->prev 4096-ptr_max
PARAM_VALUE 0 session->cookie 4096-ptr_max
PARAM_VALUE 0 session->cookie_len 0-8
PARAM_VALUE 0 session->hlist.next 0
PARAM_VALUE 0 session->hlist.pprev 0
PARAM_VALUE 0 session->l2specific_type 0-1
PARAM_VALUE 0 session->list.next 4096-ptr_max
PARAM_VALUE 0 session->list.next->next 4096-ptr_max
PARAM_VALUE 0 session->list.prev 4096-ptr_max
PARAM_VALUE 0 session->list.prev->next 4096-ptr_max
PARAM_VALUE 0 session->list.prev->prev 4096-ptr_max
PARAM_VALUE 0 session->magic 201649021
PARAM_VALUE 0 session->name 4096-ptr_max
PARAM_VALUE 0 session->nr 0
PARAM_VALUE 0 session->nr_max u16max,16777215
PARAM_VALUE 0 session->nr_oos_count_max 4
PARAM_VALUE 0 session->nr_window_size s16max,8388607
PARAM_VALUE 0 session->peer_cookie 4096-ptr_max
PARAM_VALUE 0 session->peer_cookie_len 0-8
PARAM_VALUE 0 session->pwtype 0-11
PARAM_VALUE 0 session->recv_skb 3074557784714076160
PARAM_VALUE 0 session->reorder_q.next 4096-ptr_max
PARAM_VALUE 0 session->reorder_q.prev 4096-ptr_max
PARAM_VALUE 0 session->reorder_q.qlen 0
PARAM_VALUE 0 session->reorder_skip 1
PARAM_VALUE 0 session->reorder_timeout (-2),0-536870912
PARAM_VALUE 0 session->session_close 6669263485044416512
PARAM_VALUE 0 session->show 2949134274529435648
PARAM_VALUE 1 tunnel 4096-ptr_max
PARAM_VALUE 1 tunnel->ref_count.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 tunnel->sock 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->__sk_common.skc_net.net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 1 tunnel->sock->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 1 tunnel->sock->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 1 tunnel->sock->listener->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 1 tunnel->sock->listener->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 1 tunnel->sock->listener->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 tunnel->sock->listener->ns_tracker->dead 0-1
PARAM_VALUE 1 tunnel->sock->listener->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 tunnel->sock->listener->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->listener->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 1 tunnel->sock->listener->sk_lock.owned 1
PARAM_VALUE 1 tunnel->sock->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 tunnel->sock->ns_tracker->dead 0-1
PARAM_VALUE 1 tunnel->sock->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->cb->type 4
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->flags 1-u32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->arfs->filter_count s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->arfs->mode 0-4
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->last_filter_id s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->ntp_fltr_count s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->sp_task.cpu s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->sp_task.timer.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->sp_task.timer.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->sp_task.timer.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->sp_task.timer.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->dev->priv->sp_task.timer.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->__sk_common.skc_prot 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->__sk_common.skc_state 0-9,11-255
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->failed_data_req 0-255
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_backlog.rmem_alloc.counter s32min-2147483646
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_backlog_rcv 0-1770402027252219903,1770402027252219905-3047833183539765247,3047833183539765249-u64max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_rcu.func 1-u64max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->sk_sndbuf s32min-(-1),4608-s32max
PARAM_VALUE 1 tunnel->sock->sk_backlog.head->sk->state 0-255
PARAM_VALUE 1 tunnel->sock->sk_callback_lock.owner (-1)
PARAM_VALUE 1 tunnel->sock->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 1 tunnel->sock->sk_cgrp_data.cgroup->bpf.refcnt.percpu_count_ptr 1-u64max
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->callback_head.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->callback_head.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->callback_head.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->callback_head.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->callback_head.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->ops->pcpuc_entries.lock.owner (-1)
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->ops->pcpuc_entries.lock.owner_cpu u32max
PARAM_VALUE 1 tunnel->sock->sk_dst_cache->ops->pcpuc_entries.lock.raw_lock.val.counter 0-s32max
PARAM_VALUE 1 tunnel->sock->sk_lock.dep_map->name 0-255
PARAM_VALUE 1 tunnel->sock->sk_lock.owned 0
PARAM_VALUE 1 tunnel->sock->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 1 tunnel->sock->sk_lock.wq.head.next 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 1 tunnel->sock->sk_memcg->high_work.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->connect_cookie 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_conn->c_proposed_version 769
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_recv_w.cpu s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_recv_w.timer.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_recv_w.timer.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_recv_w.timer.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_recv_w.timer.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_recv_w.timer.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_send_w.cpu s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_send_w.timer.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_send_w.timer.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_send_w.timer.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_send_w.timer.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_send_w.timer.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->cp_state.counter 0-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.failfast_work.cpu s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.failfast_work.timer.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.failfast_work.timer.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.failfast_work.timer.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.failfast_work.timer.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.failfast_work.timer.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->ctrl->ctrl.state 2
PARAM_VALUE 1 tunnel->sock->sk_user_data->dev->carrier_down_count.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->dev->refcnt_tracker.untracked.refs.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->door_bell.done 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->door_bell.wait.lock.owner (-1)
PARAM_VALUE 1 tunnel->sock->sk_user_data->door_bell.wait.lock.owner_cpu 4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->kref.refcount.refs.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->login_work.cpu s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->login_work.timer.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->login_work.timer.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->login_work.timer.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->login_work.timer.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->login_work.timer.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->mpa_timer->type 5,7
PARAM_VALUE 1 tunnel->sock->sk_user_data->private->s_delegated_inos.xa_flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->qp->tx_ctx.tx_suspend 1
PARAM_VALUE 1 tunnel->sock->sk_user_data->read.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->reestablish_timeout 0,750
PARAM_VALUE 1 tunnel->sock->sk_user_data->ref.refcount.refs.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->sc_kref.refcount.refs.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->sc_node->nd_item.ci_dentry->d_fsdata->s_dependent_count s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->sc_page->_refcount.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->sc_page->page_type 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->session->state s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->sock_state.counter s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->work.cpu s32min-s32max
PARAM_VALUE 1 tunnel->sock->sk_user_data->work.timer.flags 0-4294967295
PARAM_VALUE 1 tunnel->sock->sk_user_data->work.timer.is_hard 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->work.timer.is_lazy 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->work.timer.is_queued 0-1
PARAM_VALUE 1 tunnel->sock->sk_user_data->work.timer.is_soft 0-1
PARAM_VALUE 1 tunnel->sock->tcp_retransmit_timer.entry->pprev 4096-ptr_max
PARAM_VALUE 1 *tunnel->sock->sk_backlog.head->data->hdr 0-4294967295
PARAM_VALUE 1 *tunnel->sock->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 *tunnel->sock->sk_user_data->dev->pcpu_refcnt s32min-s32max
PARAM_VALUE 1 *tunnel->sock->sk_user_data->door_bell.wait.lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 1 *tunnel->sock->sk_user_data->private->o_auth.authorizer->session_key.key (-4611686018427387904)-4611686018427387903
PARAM_VALUE 1 *tunnel->sock->sk_user_data->private->s_auth.authorizer->session_key.key (-4611686018427387904)-4611686018427387903
BUF_SIZE 0 session 536,704
BUF_SIZE 0 session 536,704
CAPPED_DATA 1 tunnel->sock 1
DATA_SOURCE 0 session r l2tp_session_create
DATA_SOURCE 1 tunnel $1
BIT_INFO 0 session->nr_max 0xffff,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 1 tunnel->sock->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 1 tunnel->sock->sk_receive_queue.prev->data_len
NO_OVERFLOW_SIMPLE 1 tunnel->sock->sk_receive_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE 1 tunnel->sock->sk_write_queue.next->data_len
NO_OVERFLOW_SIMPLE 1 tunnel->sock->sk_write_queue.next->prev->data_len
LOCK2 global &rtnl_mutex
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 &rx_queue_mutex
HALF_LOCKED2 rcu_read

net/l2tp/l2tp_ppp.c pppol2tp_connect() -> l2tp_session_register()

Type Parameter Key Value
PARAM_VALUE 0 session 4096-ptr_max
PARAM_VALUE 0 session->clist.next 4096-ptr_max
PARAM_VALUE 0 session->clist.next->next 4096-ptr_max
PARAM_VALUE 0 session->clist.prev 4096-ptr_max
PARAM_VALUE 0 session->clist.prev->next 4096-ptr_max
PARAM_VALUE 0 session->clist.prev->prev 4096-ptr_max
PARAM_VALUE 0 session->cookie 4096-ptr_max
PARAM_VALUE 0 session->cookie_len 0
PARAM_VALUE 0 session->hlist.next 0
PARAM_VALUE 0 session->hlist.pprev 0
PARAM_VALUE 0 session->l2specific_type 0
PARAM_VALUE 0 session->list.next 4096-ptr_max
PARAM_VALUE 0 session->list.next->next 4096-ptr_max
PARAM_VALUE 0 session->list.prev 4096-ptr_max
PARAM_VALUE 0 session->list.prev->next 4096-ptr_max
PARAM_VALUE 0 session->list.prev->prev 4096-ptr_max
PARAM_VALUE 0 session->lns_mode 0
PARAM_VALUE 0 session->magic 201649021
PARAM_VALUE 0 session->name 4096-ptr_max
PARAM_VALUE 0 session->nr 0
PARAM_VALUE 0 session->nr_max u16max,16777215
PARAM_VALUE 0 session->nr_oos_count_max 4
PARAM_VALUE 0 session->nr_window_size s16max,8388607
PARAM_VALUE 0 session->peer_cookie 4096-ptr_max
PARAM_VALUE 0 session->peer_cookie_len 0
PARAM_VALUE 0 session->pwtype 7
PARAM_VALUE 0 session->recv_seq 0
PARAM_VALUE 0 session->recv_skb 2240386351249301504
PARAM_VALUE 0 session->reorder_q.next 4096-ptr_max
PARAM_VALUE 0 session->reorder_q.prev 4096-ptr_max
PARAM_VALUE 0 session->reorder_q.qlen 0
PARAM_VALUE 0 session->reorder_skip 1
PARAM_VALUE 0 session->reorder_timeout 0
PARAM_VALUE 0 session->send_seq 0
PARAM_VALUE 0 session->session_close 954963579660722176
PARAM_VALUE 0 session->show 4907482409774002176
PARAM_VALUE 1 tunnel 4096-ptr_max
BUF_SIZE 0 session 536,704
BUF_SIZE 0 session 536,704
DATA_SOURCE 0 session r l2tp_session_create
DATA_SOURCE 1 tunnel r pppol2tp_tunnel_get
BIT_INFO 0 session->nr_max 0xffff,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
LOCK2 &ps->sk_lock
LOCK2 sk
TYPE_LOCK (struct pppol2tp_session)->sk_lock

net/l2tp/l2tp_ppp.c pppol2tp_session_create() -> l2tp_session_register()

Type Parameter Key Value
PARAM_VALUE 0 session 4096-ptr_max
PARAM_VALUE 0 session->clist.next 4096-ptr_max
PARAM_VALUE 0 session->clist.next->next 4096-ptr_max
PARAM_VALUE 0 session->clist.prev 4096-ptr_max
PARAM_VALUE 0 session->clist.prev->next 4096-ptr_max
PARAM_VALUE 0 session->clist.prev->prev 4096-ptr_max
PARAM_VALUE 0 session->cookie 4096-ptr_max
PARAM_VALUE 0 session->cookie_len 0-8
PARAM_VALUE 0 session->hlist.next 0
PARAM_VALUE 0 session->hlist.pprev 0
PARAM_VALUE 0 session->l2specific_type 0-1
PARAM_VALUE 0 session->list.next 4096-ptr_max
PARAM_VALUE 0 session->list.next->next 4096-ptr_max
PARAM_VALUE 0 session->list.prev 4096-ptr_max
PARAM_VALUE 0 session->list.prev->next 4096-ptr_max
PARAM_VALUE 0 session->list.prev->prev 4096-ptr_max
PARAM_VALUE 0 session->magic 201649021
PARAM_VALUE 0 session->name 4096-ptr_max
PARAM_VALUE 0 session->nr 0
PARAM_VALUE 0 session->nr_max u16max,16777215
PARAM_VALUE 0 session->nr_oos_count_max 4
PARAM_VALUE 0 session->nr_window_size s16max,8388607
PARAM_VALUE 0 session->peer_cookie 4096-ptr_max
PARAM_VALUE 0 session->peer_cookie_len 0-8
PARAM_VALUE 0 session->pwtype 0-11
PARAM_VALUE 0 session->recv_skb 2240386351249301504
PARAM_VALUE 0 session->ref_count.refs.counter 1
PARAM_VALUE 0 session->reorder_q.next 4096-ptr_max
PARAM_VALUE 0 session->reorder_q.prev 4096-ptr_max
PARAM_VALUE 0 session->reorder_q.qlen 0
PARAM_VALUE 0 session->reorder_skip 1
PARAM_VALUE 0 session->reorder_timeout (-2),0-536870912
PARAM_VALUE 0 session->session_close 954963579660722176
PARAM_VALUE 0 session->show 4907482409774002176
PARAM_VALUE 1 tunnel 4096-ptr_max
PARAM_VALUE 1 tunnel->ref_count.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 tunnel->sock 1-u64max
BUF_SIZE 0 session 536,704
BUF_SIZE 0 session 536,704
DATA_SOURCE 0 session r l2tp_session_create
DATA_SOURCE 1 tunnel $1
BIT_INFO 0 session->nr_max 0xffff,0xffffffffffffffff
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