tcp_update_skb_after_send identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

net/ipv4/tcp_output.c, line 1446 (as a function)

Referenced in 1 files:

net/ipv4/tcp_output.c
- line 1725
- line 3671

Smatch caller information:

net/ipv4/tcp_output.c __tcp_retransmit_skb() -> tcp_update_skb_after_send()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_bind_node->next->pprev	1-u64max
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.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.dep_map->name	0-255
PARAM_VALUE	0	sk->init_enable	0-255
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->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	sk->ns_tracker->dead	0-1
PARAM_VALUE	0	sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	sk->rx_credits	0-255
PARAM_VALUE	0	sk->rx_fc	0-255
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_dst_cache->dst_trace_seq.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_dst_cache->ops->pcpuc_entries.lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_err_soft	1-4095
PARAM_VALUE	0	sk->sk_error_queue.next	4096-ptr_max
PARAM_VALUE	0	sk->sk_error_queue.prev	4096-ptr_max
PARAM_VALUE	0	sk->sk_error_queue.prev->next->next	4096-ptr_max
PARAM_VALUE	0	sk->sk_gso_disabled	1
PARAM_VALUE	0	sk->sk_gso_max_segs	1-u16max
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.wq.head.prev	4096-ptr_max
PARAM_VALUE	0	sk->sk_lock.wq.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	sk->sk_pacing_rate	0-1099511627775
PARAM_VALUE	0	sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	sk->sk_socket->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	sk->sk_socket->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	sk->sk_socket->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	sk->sk_txhash	1-255
PARAM_VALUE	0	sk->sk_userlocks	0-239
PARAM_VALUE	0	sk->sk_write_queue.next	4096-ptr_max
PARAM_VALUE	0	sk->sk_write_queue.prev	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->tx_credits.counter	s32min-s32max
PARAM_VALUE	0	sk->tx_fc	0-255
PARAM_VALUE	0	*sk->sk_backlog.head->dev->name	0-255
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->cb	4096-ptr_max
PARAM_VALUE	1	skb->cloned	0
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->ndisc_ops->fill_addr_option	9149257602806276096
PARAM_VALUE	1	skb->dev->ndisc_ops->parse_options	4570881757937598464
PARAM_VALUE	1	skb->dev->ndisc_ops->update	8455145027589103616
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->hdr_len	0
PARAM_VALUE	1	skb->head	1-u64max
PARAM_VALUE	1	skb->head_frag	0
PARAM_VALUE	1	skb->nohdr	0
PARAM_VALUE	1	skb->pp_recycle	0
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	0	sk	1
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
CAPPED_DATA	1	skb	1
DATA_SOURCE	0	sk	$0
DATA_SOURCE	1	skb	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_receive_queue.prev->csum	0-126976[c]
HOST_DATA	0	sk->sk_receive_queue.prev->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->len	1-241[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum	0-126976[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->next->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->len	1-241[c]
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->truesize
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
NO_OVERFLOW_SIMPLE	1	skb->next->data_len
NO_OVERFLOW_SIMPLE	1	skb->next->len
NO_OVERFLOW_SIMPLE	1	skb->next->prev->data_len
NO_OVERFLOW_SIMPLE	1	skb->next->prev->len
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_output.c __tcp_transmit_skb() -> tcp_update_skb_after_send()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	sk->ns_tracker->dead	0-1
PARAM_VALUE	0	sk->ns_tracker->free_stack_handle	0-4294967295
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_dst_cache->ops->pcpuc_entries.lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_gso_max_segs	1-u16max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->hdr_len	0
PARAM_VALUE	1	skb->head	1-u64max
PARAM_VALUE	1	skb->head_frag	0
PARAM_VALUE	1	skb->nohdr	0
PARAM_VALUE	1	skb->pp_recycle	0
PARAM_VALUE	1	skb->tstamp_type	0-1
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
BUF_SIZE	0	sk->sk_user_data	(-1),368
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
CAPPED_DATA	0	sk	1
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_receive_queue.prev->csum	0-126976[c]
HOST_DATA	0	sk->sk_receive_queue.prev->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum	0-126976[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->next->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->truesize	0-u32max
HOST_DATA	0	sk->sk_receive_queue.prev->truesize	0-u32max
HOST_DATA	1	skb->data_len	0-u32max[c]
HOST_DATA	1	skb->len	0-u32max[c]
HOST_DATA	1	skb->truesize	0-u32max[c]
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.head->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.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->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
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