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Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

net/ipv4/syncookies.c cookie_tcp_check() -> tcp_synq_no_recent_overflow()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->ipv4.sysctl_tcp_syncookies 1-255
PARAM_VALUE 0 sk->__sk_common.skc_state 10
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_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 $1
RX_PATH
TASK_NOT_RUNNING
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->len
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->len
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->len
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
UNITS 0 sk unit_byte
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->sk_lock.slock

net/core/filter.c ____bpf_tcp_check_syncookie() -> tcp_synq_no_recent_overflow()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_state 10
PARAM_VALUE 0 sk->sk_protocol 6
CAPPED_DATA 0 sk->__sk_common.skc_net.net 1
DATA_SOURCE 0 sk $0

net/ipv6/syncookies.c cookie_tcp_check() -> tcp_synq_no_recent_overflow()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->ipv4.sysctl_tcp_syncookies 1-255
PARAM_VALUE 0 sk->__sk_common.skc_state 10
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_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 $1
RX_PATH
TASK_NOT_RUNNING
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.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_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
UNITS 0 sk unit_byte
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->sk_lock.slock