Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 4 files:
- net/core/filter.c, line 12499
- net/ipv4/syncookies.c, line 330
- net/ipv4/tcp_input.c, line 7661
- net/mptcp/subflow.c, line 743
Smatch caller information:
net/ipv4/syncookies.c cookie_tcp_reqsk_alloc() -> inet_reqsk_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ops | 7526321648135888896,8053103009269706752 |
| PARAM_VALUE | 1 | sk_listener | 4096-ptr_max |
| PARAM_VALUE | 1 | sk_listener->__sk_common.skc_net.net->ipv4.sysctl_tcp_syncookies | 1-255 |
| PARAM_VALUE | 1 | sk_listener->__sk_common.skc_state | 10 |
| PARAM_VALUE | 1 | sk_listener->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk_listener->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->sk_backlog.head->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->sk_backlog.head->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk_listener->sk_backlog.head->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->thread_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_socket->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->sk_socket->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk_listener->sk_socket->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 2 | attach_listener | 0 |
| BUF_SIZE | 1 | sk_listener->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 1 | sk_listener->__sk_common.skc_net.net | 1 |
| CAPPED_DATA | 1 | sk_listener->psp_assoc | 1 |
| DATA_SOURCE | 0 | ops | $0 |
| DATA_SOURCE | 1 | sk_listener | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.head->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.head->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->truesize | |
| UNITS | 1 | sk_listener | unit_byte |
| HALF_LOCKED2 | 1 | sk_listener | |
| HALF_LOCKED2 | 1 | &sk_listener->sk_lock.slock |
net/core/filter.c bpf_sk_assign_tcp_reqsk() -> inet_reqsk_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ops | 7526321648135888896,8053103009269706752 |
| PARAM_VALUE | 1 | sk_listener | 4096-ptr_max |
| PARAM_VALUE | 1 | sk_listener->__sk_common.skc_state | 10 |
| PARAM_VALUE | 1 | sk_listener->sk_type | 1 |
| PARAM_VALUE | 2 | attach_listener | 0 |
| BUF_SIZE | 0 | ops | 48 |
| CAPPED_DATA | 1 | sk_listener->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 1 | sk_listener | $1 |
| BIT_INFO | 0 | ops | 0x68425c810e206000,0x6ff2dfadaf7ef000 |
| BIT_INFO | 0 | ops | 0x68425c810e206000,0x6ff2dfadaf7ef000 |
net/ipv4/tcp_input.c tcp_conn_request() -> inet_reqsk_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ops | 6033189039505203200,7526321648135888896,7759756757659627520,8053103009269706752 |
| PARAM_VALUE | 1 | sk_listener | 4096-ptr_max |
| BUF_SIZE | 1 | sk_listener->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 1 | sk_listener->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | ops | $0 |
| DATA_SOURCE | 1 | sk_listener | $2 |
| PARAM_COMPARE | 1 | sk_listener->sk_ack_backlog | <= $1->sk_max_ack_backlog |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.head->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.head->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->truesize | |
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | rcu_read | ||
| HALF_LOCKED2 | 1 | sk_listener | |
| HALF_LOCKED2 | 1 | &sk_listener->sk_lock.slock |
net/mptcp/subflow.c mptcp_subflow_reqsk_alloc() -> inet_reqsk_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ops | 6033189039505203200,7526321648135888896,7759756757659627520,8053103009269706752 |
| PARAM_VALUE | 0 | ops->family | 0 |
| PARAM_VALUE | 1 | sk_listener | 4096-ptr_max |
| PARAM_VALUE | 1 | sk_listener->__sk_common.skc_net.net->ipv4.sysctl_tcp_syncookies | 1-255 |
| PARAM_VALUE | 1 | sk_listener->__sk_common.skc_state | 10 |
| PARAM_VALUE | 1 | sk_listener->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk_listener->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_peer_cred->thread_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 1 | sk_listener->sk_socket->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 1 | sk_listener->sk_socket->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 1 | sk_listener->sk_socket->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 2 | attach_listener | 0 |
| BUF_SIZE | 0 | ops | (-1),48 |
| BUF_SIZE | 0 | ops | (-1),48 |
| BUF_SIZE | 1 | sk_listener->__sk_common.skc_prot | (-1),448 |
| CAPPED_DATA | 1 | sk_listener->__sk_common.skc_net.net | 1 |
| CAPPED_DATA | 1 | sk_listener->psp_assoc | 1 |
| DATA_SOURCE | 0 | ops | $0 [m] |
| DATA_SOURCE | 1 | sk_listener | $1 |
| DATA_SOURCE | 2 | attach_listener | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.head->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.head->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_backlog.tail->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->data_len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->data_len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sk_listener->sk_write_queue.prev->truesize | |
| UNITS | 1 | sk_listener | unit_byte |
| HALF_LOCKED2 | 1 | sk_listener | |
| HALF_LOCKED2 | 1 | &sk_listener->sk_lock.slock |