__tcp_fastopen_cookie_gen_cipher identifier - Linux source code next-20260811

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

net/ipv4/tcp_fastopen.c, line 205 (as a function)

Referenced in 1 files:

net/ipv4/tcp_fastopen.c
- line 250
- line 314

Smatch caller information:

net/ipv4/tcp_fastopen.c tcp_fastopen_cookie_gen() -> __tcp_fastopen_cookie_gen_cipher()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__req_common.skc_flags	0,4096-18446744073709547520
PARAM_VALUE	0	req->__req_common.skc_incoming_cpu	0-s32max
PARAM_VALUE	0	req->__req_common.skc_listener	0,4096-ptr_max
PARAM_VALUE	0	req->__req_common.skc_rcv_wnd	0-s32max
PARAM_VALUE	0	req->__req_common.skc_tw_dr	0,4096-ptr_max
PARAM_VALUE	0	req->__req_common.skc_tw_rcv_nxt	0-s32max
PARAM_VALUE	0	req->num_retrans	0
PARAM_VALUE	0	req->num_timeout	0
PARAM_VALUE	0	req->rsk_ops	6033189039505203200,7526321648135888896,7759756757659627520,8053103009269706752
PARAM_VALUE	0	req->saved_syn	0,4096-ptr_max
PARAM_VALUE	0	req->sk	0
PARAM_VALUE	0	req->syncookie	0
PARAM_VALUE	1	syn	4096-ptr_max
PARAM_VALUE	1	syn->cb	4096-ptr_max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	syn->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	syn->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	syn->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	syn->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	syn->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	syn->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	syn->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	syn->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	syn->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	1	syn->ip_summed	0,2-3
PARAM_VALUE	1	syn->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	syn->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	syn->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	syn->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	syn->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	syn->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	syn->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	syn->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	syn->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	*syn->dev->name	0-255
PARAM_VALUE	2	key	4096-ptr_max
PARAM_VALUE	3	foc	9111675635531632640
PARAM_VALUE	3	foc->exp	0
PARAM_VALUE	3	foc->len	(-1)
BUF_SIZE	1	syn	(-1)-s32max
BUF_SIZE	1	syn	(-1)-s32max
BUF_SIZE	2	key	32
DATA_SOURCE	0	req	$1
DATA_SOURCE	1	syn	$2
DATA_SOURCE	3	foc	$3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	syn->csum	0-4294967040[c]
HOST_DATA	1	syn->csum_offset	0-u16max
HOST_DATA	1	syn->data_len	0-u32max[c]
HOST_DATA	1	syn->len	0-u32max[c]
HOST_DATA	1	syn->prev->csum_offset	0-u16max
HOST_DATA	1	syn->prev->data_len	0-u32max[c]
HOST_DATA	1	syn->prev->len	1-u32max[c]
HOST_DATA	1	syn->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	syn->truesize	0-u32max
HOST_DATA	1	syn->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*syn->data	0-255
NO_OVERFLOW_SIMPLE	1	syn->data_len
NO_OVERFLOW_SIMPLE	1	syn->dev->group
NO_OVERFLOW_SIMPLE	1	syn->dev->num_tc
NO_OVERFLOW_SIMPLE	1	syn->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	syn->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	syn->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	syn->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	syn->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	syn->end
NO_OVERFLOW_SIMPLE	1	syn->len
NO_OVERFLOW_SIMPLE	1	syn->next->end
NO_OVERFLOW_SIMPLE	1	syn->next->len
NO_OVERFLOW_SIMPLE	1	syn->next->tail
NO_OVERFLOW_SIMPLE	1	syn->next->truesize
NO_OVERFLOW_SIMPLE	1	syn->prev->end
NO_OVERFLOW_SIMPLE	1	syn->prev->len
NO_OVERFLOW_SIMPLE	1	syn->prev->tail
NO_OVERFLOW_SIMPLE	1	syn->prev->truesize
NO_OVERFLOW_SIMPLE	1	syn->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	syn->tail
NO_OVERFLOW_SIMPLE	1	syn->truesize
LOCK2		bh
LOCK2		rcu_read
HALF_LOCKED2		&sk->sk_lock.slock
HALF_LOCKED2		sk

net/ipv4/tcp_fastopen.c tcp_fastopen_cookie_gen_check() -> __tcp_fastopen_cookie_gen_cipher()

Type	Parameter	Key	Value
PARAM_VALUE	0	req	4096-ptr_max
PARAM_VALUE	0	req->__req_common.skc_flags	0,4096-18446744073709547520
PARAM_VALUE	0	req->__req_common.skc_incoming_cpu	0-s32max
PARAM_VALUE	0	req->__req_common.skc_listener	0,4096-ptr_max
PARAM_VALUE	0	req->__req_common.skc_rcv_wnd	0-s32max
PARAM_VALUE	0	req->__req_common.skc_tw_dr	0,4096-ptr_max
PARAM_VALUE	0	req->__req_common.skc_tw_rcv_nxt	0-s32max
PARAM_VALUE	0	req->num_retrans	0
PARAM_VALUE	0	req->num_timeout	0
PARAM_VALUE	0	req->rsk_ops	6033189039505203200,7526321648135888896,7759756757659627520,8053103009269706752
PARAM_VALUE	0	req->saved_syn	0,4096-ptr_max
PARAM_VALUE	0	req->sk	0
PARAM_VALUE	0	req->syncookie	0
PARAM_VALUE	1	syn	4096-ptr_max
PARAM_VALUE	1	syn->cb	4096-ptr_max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	syn->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	syn->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	syn->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	syn->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	syn->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	syn->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	syn->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	syn->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	syn->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	syn->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	1	syn->ip_summed	0,2-3
PARAM_VALUE	1	syn->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	syn->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	syn->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	syn->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	syn->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	syn->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	syn->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	syn->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	syn->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	syn->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	*syn->dev->name	0-255
PARAM_VALUE	2	key	4096-ptr_max
PARAM_VALUE	3	foc	6051151178010050560,9111675635531632640
PARAM_VALUE	3	foc->exp	0
PARAM_VALUE	3	foc->len	(-1)
BUF_SIZE	1	syn	(-1)-s32max
BUF_SIZE	1	syn	(-1)-s32max
BUF_SIZE	3	foc	(-1),24
BUF_SIZE	3	foc	(-1),24
DATA_SOURCE	0	req	$1
DATA_SOURCE	1	syn	$2
BIT_INFO	3	foc	0x527200a69c71c000,0x7ffb2dffff79d000
BIT_INFO	3	foc	0x527200a69c71c000,0x7ffb2dffff79d000
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	syn->csum	0-4294967040[c]
HOST_DATA	1	syn->csum_offset	0-u16max
HOST_DATA	1	syn->data_len	0-u32max[c]
HOST_DATA	1	syn->len	0-u32max[c]
HOST_DATA	1	syn->prev->csum_offset	0-u16max
HOST_DATA	1	syn->prev->data_len	0-u32max[c]
HOST_DATA	1	syn->prev->len	1-u32max[c]
HOST_DATA	1	syn->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	syn->truesize	0-u32max
HOST_DATA	1	syn->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*syn->data	0-255
NO_OVERFLOW_SIMPLE	1	syn->data_len
NO_OVERFLOW_SIMPLE	1	syn->dev->group
NO_OVERFLOW_SIMPLE	1	syn->dev->num_tc
NO_OVERFLOW_SIMPLE	1	syn->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	syn->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	syn->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	syn->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	syn->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	syn->end
NO_OVERFLOW_SIMPLE	1	syn->len
NO_OVERFLOW_SIMPLE	1	syn->next->end
NO_OVERFLOW_SIMPLE	1	syn->next->len
NO_OVERFLOW_SIMPLE	1	syn->next->tail
NO_OVERFLOW_SIMPLE	1	syn->next->truesize
NO_OVERFLOW_SIMPLE	1	syn->prev->end
NO_OVERFLOW_SIMPLE	1	syn->prev->len
NO_OVERFLOW_SIMPLE	1	syn->prev->tail
NO_OVERFLOW_SIMPLE	1	syn->prev->truesize
NO_OVERFLOW_SIMPLE	1	syn->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	syn->tail
NO_OVERFLOW_SIMPLE	1	syn->truesize
LOCK2		bh
LOCK2		rcu_read
HALF_LOCKED2		&sk->sk_lock.slock
HALF_LOCKED2		sk