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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/ipv4/tcp.c __tcp_close() -> tcp_time_wait()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_state 5
PARAM_VALUE 0 sk->__sk_common.skc_u16hashes 0-u32max
PARAM_VALUE 0 sk->sk_backlog.head 0
PARAM_VALUE 0 sk->sk_backlog.head->cb->type 4
PARAM_VALUE 0 sk->sk_backlog.head->dev->flags 1-u32max
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->arfs->filter_count s32min-s32max
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->arfs->mode 0-4
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->last_filter_id s32min-s32max
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->ntp_fltr_count s32min-s32max
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->sp_task.cpu s32min-s32max
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->sp_task.timer.flags 0-4294967295
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->sp_task.timer.is_hard 0-1
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->sp_task.timer.is_lazy 0-1
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->sp_task.timer.is_queued 0-1
PARAM_VALUE 0 sk->sk_backlog.head->dev->priv->sp_task.timer.is_soft 0-1
PARAM_VALUE 0 sk->sk_backlog.head->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 sk->sk_backlog.head->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 sk->sk_backlog.head->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 sk->sk_backlog.head->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 sk->sk_backlog.head->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 sk->sk_backlog.head->sk->__sk_common.skc_prot 4096-ptr_max
PARAM_VALUE 0 sk->sk_backlog.head->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 sk->sk_backlog.head->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 sk->sk_backlog.head->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_backlog.rmem_alloc.counter s32min-2147483646
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_backlog_rcv 0-1770402027252219903,1770402027252219905-3047833183539765247,3047833183539765249-u64max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_filter->rcu.func 1-u64max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_rcu.func 1-u64max
PARAM_VALUE 0 sk->sk_backlog.head->sk->sk_reuseport_cb->rcu.func 1-u64max
PARAM_VALUE 0 sk->sk_backlog.len 0
PARAM_VALUE 0 sk->sk_callback_lock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 *sk->sk_backlog.head->data->hdr 0-4294967295
PARAM_VALUE 0 *sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 state 5
PARAM_VALUE 2 timeo s32min-15000
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 2 timeo r tcp_fin_time
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->truesize
UNITS 0 sk unit_byte
LOCK2 bh
LOCK2 0 &sk->sk_lock.slock
TYPE_LOCK (struct socket_lock_t)->slock

net/ipv4/tcp_input.c tcp_fin() -> tcp_time_wait()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 sk->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 sk->__sk_common.skc_net.net->mctp.bind_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 sk->__sk_common.skc_node.next->pprev 1-u64max
PARAM_VALUE 0 sk->__sk_common.skc_node.pprev 0
PARAM_VALUE 0 sk->__sk_common.skc_nulls_node.next->pprev 1-u64max
PARAM_VALUE 0 sk->__sk_common.skc_nulls_node.pprev 0
PARAM_VALUE 0 sk->__sk_common.skc_prot->h.smc_hash->lock.owner (-1)
PARAM_VALUE 0 sk->__sk_common.skc_prot->h.smc_hash->lock.owner_cpu 4294967295
PARAM_VALUE 0 sk->__sk_common.skc_prot->h.smc_hash->lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 sk->listener 0
PARAM_VALUE 0 sk->listener->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 sk->listener->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 sk->listener->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 sk->listener->ns_tracker->dead 0-1
PARAM_VALUE 0 sk->listener->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 sk->listener->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 sk->listener->sk_lock.owned 1
PARAM_VALUE 0 sk->listener->sk_rcu.next 0
PARAM_VALUE 0 sk->sk_error_queue.next 4096-ptr_max
PARAM_VALUE 0 sk->sk_error_queue.prev->next->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.owned 0
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_reuseport_cb 0
PARAM_VALUE 0 sk->sk_reuseport_cb->rcu.func 1-u64max
PARAM_VALUE 0 sk->sk_reuseport_cb->rcu.next 0
PARAM_VALUE 0 sk->sk_user_data 0
PARAM_VALUE 0 sk->sk_write_queue.next 4096-ptr_max
PARAM_VALUE 0 sk->sk_write_queue.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_write_queue.prev->next->next 4096-ptr_max
PARAM_VALUE 0 sk->tcp_retransmit_timer.entry->pprev 4096-ptr_max
PARAM_VALUE 0 sk->tcp_retransmit_timer.entry.pprev 0,4096-ptr_max
PARAM_VALUE 0 sk->tcp_retransmit_timer.is_queued 0-1
PARAM_VALUE 0 *sk->__sk_common.skc_prot->h.smc_hash->lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 *sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 state 6
PARAM_VALUE 2 timeo 0
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->object_size
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.prev->truesize
UNITS 0 sk unit_byte
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->sk_lock.slock

net/ipv4/tcp_timer.c tcp_keepalive_timer() -> tcp_time_wait()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_state 5
PARAM_VALUE 0 sk->sk_lock.owned 0
PARAM_VALUE 0 sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 1 state 5
PARAM_VALUE 2 timeo 1-s32max
BUF_SIZE 0 sk 1480
FUZZY_MAX 2 timeo 1
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &sk->sk_lock.slock
TYPE_LOCK (struct socket_lock_t)->slock