tcp_send_challenge_ack identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

net/ipv4/tcp_input.c, line 4069 (as a function)

Referenced in 1 files:

net/ipv4/tcp_input.c

Smatch caller information:

net/ipv4/tcp_input.c tcp_ack() -> tcp_send_challenge_ack()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	1	accecn_reflector	0
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_backlog.head->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->next->csum	0-4294967040[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_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
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->truesize
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->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
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
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_input.c tcp_ack() -> tcp_send_challenge_ack()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	1	accecn_reflector	0
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_backlog.head->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->next->csum	0-4294967040[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_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
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->truesize
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->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
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
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_input.c tcp_validate_incoming() -> tcp_send_challenge_ack()

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->__sk_common.skc_state	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->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_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_rx_dst	0,2-u64max
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	1	accecn_reflector	0
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
CAPPED_DATA	0	sk->psp_assoc	1
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_backlog.head->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->next->csum	0-4294967040[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_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
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->truesize
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->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
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
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_input.c tcp_validate_incoming() -> tcp_send_challenge_ack()

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->__sk_common.skc_state	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->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_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_rx_dst	0,2-u64max
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
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
CAPPED_DATA	0	sk->psp_assoc	1
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_backlog.head->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->csum	0-4294967040[c]
HOST_DATA	0	sk->sk_backlog.tail->next->csum	0-4294967040[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_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
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->truesize
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->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
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
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock