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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

net/ipv4/tcp_output.c tcp_make_synack() -> tcp_synack_options()

Type Parameter Key Value
PARAM_VALUE 0 sk->__sk_common.skc_state 0-5,7-255
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 2 mss 0-u16max
PARAM_VALUE 3 skb 4096-ptr_max
PARAM_VALUE 3 skb->_skb_refdst 1-u64max
PARAM_VALUE 3 skb->cb 4096-ptr_max
PARAM_VALUE 3 skb->data 4096-ptr_max
PARAM_VALUE 3 skb->l4_hash 1
PARAM_VALUE 3 skb->sw_hash 0
PARAM_VALUE 3 skb->tstamp_type 0-1
PARAM_VALUE 4 opts 3090768010432651264
PARAM_VALUE 5 key 1673956864513945600
PARAM_VALUE 5 key->ao_key 0,4096-ptr_max
PARAM_VALUE 5 key->md5_key 0,4096-ptr_max
PARAM_VALUE 5 key->rcv_next 0
PARAM_VALUE 5 key->sne 0
PARAM_VALUE 5 key->type 0-2
PARAM_VALUE 6 foc 0,4096-ptr_max
PARAM_VALUE 6 foc->len (-1)-0,4-16
PARAM_VALUE 8 syn_skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 8 syn_skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 8 syn_skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 8 syn_skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 8 syn_skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 8 syn_skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 8 syn_skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 8 syn_skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 8 syn_skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 8 syn_skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 8 syn_skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 8 syn_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 8 syn_skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 8 syn_skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 8 syn_skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 8 syn_skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 8 syn_skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 8 syn_skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 8 syn_skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 8 syn_skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 8 syn_skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
BUF_SIZE 1 req (-1)-s32max
BUF_SIZE 1 req (-1)-s32max
BUF_SIZE 3 skb 320
BUF_SIZE 3 skb 320
BUF_SIZE 8 syn_skb (-1)-s32max
BUF_SIZE 8 syn_skb (-1)-s32max
CAPPED_DATA 0 sk->__sk_common.skc_net.net 1
CAPPED_DATA 2 mss 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 req $2
DATA_SOURCE 3 skb r alloc_skb
DATA_SOURCE 6 foc $3
DATA_SOURCE 7 synack_type $4
DATA_SOURCE 8 syn_skb $5
MEM_ZERO 4 opts
TASK_NOT_RUNNING
HOST_DATA 8 syn_skb->csum 0-4294967040[c]
HOST_DATA 8 syn_skb->csum_offset 0-u16max
HOST_DATA 8 syn_skb->data_len 0-u32max[c]
HOST_DATA 8 syn_skb->len 0-u32max[c]
HOST_DATA 8 syn_skb->prev->csum_offset 0-u16max
HOST_DATA 8 syn_skb->prev->data_len 0-u32max[c]
HOST_DATA 8 syn_skb->prev->len 1-u32max[c]
HOST_DATA 8 syn_skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 8 syn_skb->truesize 0-u32max
HOST_DATA 8 syn_skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 8 *syn_skb->data 0-255
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
NO_OVERFLOW_SIMPLE 1 req->rsk_ops->slab->object_size
NO_OVERFLOW_SIMPLE 1 req->rsk_ops->slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 8 syn_skb->data_len
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->group
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->num_tc
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 8 syn_skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 8 syn_skb->end
NO_OVERFLOW_SIMPLE 8 syn_skb->len
NO_OVERFLOW_SIMPLE 8 syn_skb->next->end
NO_OVERFLOW_SIMPLE 8 syn_skb->next->len
NO_OVERFLOW_SIMPLE 8 syn_skb->next->tail
NO_OVERFLOW_SIMPLE 8 syn_skb->next->truesize
NO_OVERFLOW_SIMPLE 8 syn_skb->prev->end
NO_OVERFLOW_SIMPLE 8 syn_skb->prev->len
NO_OVERFLOW_SIMPLE 8 syn_skb->prev->tail
NO_OVERFLOW_SIMPLE 8 syn_skb->prev->truesize
NO_OVERFLOW_SIMPLE 8 syn_skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 8 syn_skb->tail
NO_OVERFLOW_SIMPLE 8 syn_skb->truesize
LOCK2 rcu_read
HALF_LOCKED2 bh
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->sk_lock.slock