tcp_init_transfer identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/net/tcp.h, line 498 (as a prototype)

Defined in 1 files as a function:

net/ipv4/tcp_input.c, line 6705 (as a function)

Referenced in 2 files:

Smatch caller information:

net/ipv4/tcp_input.c tcp_finish_connect() -> tcp_init_transfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_net.net->mctp.bind_lock.dep_map->name	0-255
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.keys_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->__sk_common.skc_node->next->pprev	1-u64max
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.raw_hash->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock->owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock.dep_map->name	0-255
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->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_callback_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->listener->sk_lock.owned	1
PARAM_VALUE	0	sk->listener->sk_lock.slock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->listener->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->listener->sk_prot_creator->owner->refcnt.counter	0-s32max
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_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_lock.owned	0
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_backlog.head->dev->name	0-255
PARAM_VALUE	1	bpf_op	4
PARAM_VALUE	2	skb	0,4096-ptr_max
PARAM_VALUE	2	skb->cb	4096-ptr_max
CAPPED_DATA	0	sk	1
DATA_SOURCE	0	sk	$0
DATA_SOURCE	2	skb	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk

net/ipv4/tcp_fastopen.c tcp_fastopen_create_child() -> tcp_init_transfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_rx_queue_mapping	0-65534
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	1	bpf_op	5
PARAM_VALUE	2	skb	4096-ptr_max
PARAM_VALUE	2	skb->cb	4096-ptr_max
PARAM_VALUE	2	skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	2	skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	2	skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	2	skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	2	skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	2	skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	2	skb->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	2	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	2	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	2	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	2	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	2	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	2	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	2	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE	2	skb->ip_summed	0,2-3
PARAM_VALUE	2	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	2	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	2	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	2	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	2	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	2	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	2	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	2	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	2	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	2	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	2	*skb->dev->name	0-255
BUF_SIZE	2	skb	(-1)-s32max
BUF_SIZE	2	skb	(-1)-s32max
DATA_SOURCE	2	skb	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	2	skb->csum	0-4294967040[c]
HOST_DATA	2	skb->csum_offset	0-u16max
HOST_DATA	2	skb->data_len	0-u32max[c]
HOST_DATA	2	skb->len	0-u32max[c]
HOST_DATA	2	skb->prev->csum_offset	0-u16max
HOST_DATA	2	skb->prev->data_len	0-u32max[c]
HOST_DATA	2	skb->prev->len	1-u32max[c]
HOST_DATA	2	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	2	skb->truesize	0-u32max
HOST_DATA	2	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	2	*skb->data	0-255
NO_OVERFLOW_SIMPLE	2	skb->data_len
NO_OVERFLOW_SIMPLE	2	skb->dev->group
NO_OVERFLOW_SIMPLE	2	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	2	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	2	skb->end
NO_OVERFLOW_SIMPLE	2	skb->len
NO_OVERFLOW_SIMPLE	2	skb->next->end
NO_OVERFLOW_SIMPLE	2	skb->next->len
NO_OVERFLOW_SIMPLE	2	skb->next->tail
NO_OVERFLOW_SIMPLE	2	skb->next->truesize
NO_OVERFLOW_SIMPLE	2	skb->prev->end
NO_OVERFLOW_SIMPLE	2	skb->prev->len
NO_OVERFLOW_SIMPLE	2	skb->prev->tail
NO_OVERFLOW_SIMPLE	2	skb->prev->truesize
NO_OVERFLOW_SIMPLE	2	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	2	skb->tail
NO_OVERFLOW_SIMPLE	2	skb->truesize
LOCK2		bh
LOCK2		rcu_read
HALF_LOCKED2		&sk->sk_lock.slock
HALF_LOCKED2		sk