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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

net/mptcp/protocol.c __mptcp_subflow_disconnect() -> tcp_shutdown()

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
PARAM_VALUE 0 *sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 how 2
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 sk unit_byte
LOCK2 0 sk
HALF_LOCKED2 sk

net/mptcp/protocol.c mptcp_shutdown_subflows() -> tcp_shutdown()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.owned 0-1
PARAM_VALUE 0 sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 1 how 2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 sk
HALF_LOCKED2 sk

net/mptcp/protocol.c mptcp_subflow_shutdown() -> tcp_shutdown()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_state 0-1,3-9,11-255
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
PARAM_VALUE 1 how 2-3
DATA_SOURCE 0 sk $1
DATA_SOURCE 1 how $2
HARD_MAX 1 how 3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 sk
HALF_LOCKED2 sk
HALF_LOCKED2 sk

net/mptcp/protocol.c mptcp_try_fallback() -> tcp_shutdown()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->loopback_dev->refcnt_tracker.list.next->prev 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_allocation 2080
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_error_queue.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_error_queue.prev->next->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_write_queue.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_write_queue.prev->next->next 4096-ptr_max
PARAM_VALUE 0 *sk->sk_backlog.head->dev->name 0-255
PARAM_VALUE 1 how 2
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
BIT_INFO 0 sk->sk_shutdown 0x2,0xff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->tail
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->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->tail
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 &sk->sk_lock.slock
HALF_LOCKED2 bh
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->sk_lock.slock

net/mptcp/options.c mptcp_try_fallback() -> tcp_shutdown()

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_allocation 2080
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_receive_queue.next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 sk->sk_receive_queue.next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 sk->sk_receive_queue.next->sk->ns_tracker->free_stack_handle 0-4294967295
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 how 2
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
BUF_SIZE 0 sk->sk_user_data (-1),368
DATA_SOURCE 0 sk $0
BIT_INFO 0 sk->sk_shutdown 0x2,0xff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 sk->sk_receive_queue.prev->csum 0-126976[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->len 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->csum 0-126976[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->len 0-241,4294901762-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->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.head->tail
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->end
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->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_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
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/mptcp/subflow.c mptcp_try_fallback() -> tcp_shutdown()

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_allocation 2080
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 1 how 2
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
DATA_SOURCE 0 sk $0
BIT_INFO 0 sk->sk_shutdown 0x2,0xff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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.head->tail
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->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_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.tail->truesize
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
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
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->sk_lock.slock

net/ipv4/af_inet.c inet_shutdown() -> (struct proto)->shutdown()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_prot 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_prot->shutdown 1-u64max
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
PARAM_VALUE 1 how 1-2
DATA_SOURCE 1 how $1 [m]
CONTAINER 0 -64-40-0+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 1 how 1-2
LOCK2 0 sk