Defined in 1 files as a function:
Referenced in 4 files:
- net/mptcp/protocol.c, line 1142
- net/mptcp/protocol.h, line 1039
- net/mptcp/sockopt.c, line 870
- net/mptcp/subflow.c, line 1544
Smatch caller information:
net/mptcp/sockopt.c mptcp_setsockopt_sol_tcp() -> mptcp_write_space()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->sk_lock.owned | 1 |
| PARAM_VALUE | 0 | sk->sk_lock.slock.rlock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | sk->sk_lock.wq.head.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->sk_lock.wq.head.prev->next | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->sk_lock.wq.head.prev->next->next | 4096-ptr_max |
| DATA_SOURCE | 0 | sk | $0 |
| NOCHECK_CALL | |||
| LOCK2 | 0 | sk |
net/mptcp/protocol.c __mptcp_clean_una_wakeup() -> mptcp_write_space()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->__sk_common.skc_net.net->notrefcnt_tracker.dead | 1 |
| PARAM_VALUE | 0 | sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->__sk_common.skc_net.net->refcnt_tracker.dead | 1 |
| PARAM_VALUE | 0 | sk->mptcp_retransmit_timer.entry->pprev | 4096-ptr_max |
| PARAM_VALUE | 0 | sk->mptcp_retransmit_timer.entry.pprev | 0,4096-ptr_max |
| PARAM_VALUE | 0 | sk->mptcp_retransmit_timer.flags | 0-4194302 |
| PARAM_VALUE | 0 | sk->mptcp_retransmit_timer.function | 0 |
| 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_bpf_storage->owner_refcnt.refs.counter | s32min-s32max |
| PARAM_VALUE | 0 | sk->sk_callback_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | sk->sk_callback_lock.raw_lock.cnts.counter | 0-s32max |
| PARAM_VALUE | 0 | sk->sk_callback_lock.raw_lock.wlocked | 0 |
| PARAM_VALUE | 0 | sk->sk_filter->rcu.func | 1-u64max |
| PARAM_VALUE | 0 | sk->sk_filter->rcu.next | 0 |
| PARAM_VALUE | 0 | sk->sk_memcg->css.refcnt.data | 0,4096-ptr_max |
| PARAM_VALUE | 0 | sk->sk_owner->refcnt.counter | 0-s32max |
| PARAM_VALUE | 0 | sk->sk_prot_creator->owner->refcnt.counter | 0-s32max |
| PARAM_VALUE | 0 | sk->sk_rcu.func | 1-u64max |
| PARAM_VALUE | 0 | sk->sk_rcu.next | 0 |
| PARAM_VALUE | 0 | sk->sk_reuseport_cb | 0 |
| PARAM_VALUE | 0 | sk->sk_reuseport_cb->rcu.func | 1-u64max |
| PARAM_VALUE | 0 | sk->sk_reuseport_cb->rcu.next | 0 |
| PARAM_VALUE | 0 | sk->sk_user_data | 0 |
| DATA_SOURCE | 0 | sk | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->data_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->data_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->data_len | |
| 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->data_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 | bh | ||
| HALF_LOCKED2 | ssk | ||
| HALF_LOCKED2 | 0 | sk | |
| HALF_LOCKED2 | 0 | &sk->sk_lock.slock |
net/mptcp/protocol.c __mptcp_sync_sndbuf() -> mptcp_write_space()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| CAPPED_DATA | 0 | sk | 1 |
| CAPPED_DATA | 0 | sk->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | sk | $0 |
| BIT_INFO | 0 | sk->sk_userlocks | 0x0,0xfe |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity | |
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_receive_queue.prev->data_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->data_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->data_len | |
| 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->data_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 | bh | ||
| HALF_LOCKED2 | 0 | sk | |
| HALF_LOCKED2 | 0 | &sk->sk_lock.slock |
net/mptcp/subflow.c __mptcp_sync_sndbuf() -> mptcp_write_space()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | sk | 4096-ptr_max |
| 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 |
| CAPPED_DATA | 0 | sk->__sk_common.skc_net.net | 1 |
| DATA_SOURCE | 0 | sk | $0 |
| BIT_INFO | 0 | sk->sk_userlocks | 0x0,0xfe |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | sk->sk_backlog.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 | |
| 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 | bh | ||
| HALF_LOCKED2 | 0 | &sk->sk_lock.slock |
net/mptcp/subflow.c subflow_write_space() -> mptcp_write_space()
| Type | Parameter | Key | Value |
|---|---|---|---|
| NOCHECK_CALL | |||
| UNITS | 0 | sk | unit_byte |