inet_csk_destroy_sock identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/net/inet_connection_sock.h, line 298 (as a prototype)

Defined in 1 files as a function:

net/ipv4/inet_connection_sock.c, line 1271 (as a function)

Referenced in 3 files:

Smatch caller information:

net/ipv4/tcp.c __tcp_close() -> inet_csk_destroy_sock()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_state	7
PARAM_VALUE	0	sk->sk_backlog.head->cb->type	4
PARAM_VALUE	0	sk->sk_backlog.head->dev->flags	1-u32max
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->arfs->filter_count	s32min-s32max
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->arfs->mode	0-4
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->last_filter_id	s32min-s32max
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->ntp_fltr_count	s32min-s32max
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->sp_task.cpu	s32min-s32max
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->sp_task.timer.flags	0-4294967295
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->sp_task.timer.is_hard	0-1
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->sp_task.timer.is_lazy	0-1
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->sp_task.timer.is_queued	0-1
PARAM_VALUE	0	sk->sk_backlog.head->dev->priv->sp_task.timer.is_soft	0-1
PARAM_VALUE	0	sk->sk_backlog.head->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	sk->sk_backlog.head->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	sk->sk_backlog.head->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	sk->sk_backlog.head->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	sk->sk_backlog.head->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	sk->sk_backlog.head->sk->__sk_common.skc_prot	4096-ptr_max
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_backlog.head->sk->sk_backlog.rmem_alloc.counter	s32min-2147483646
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_backlog_rcv	0-1770402027252219903,1770402027252219905-3047833183539765247,3047833183539765249-u64max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_callback_lock.owner_cpu	u32max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_filter->rcu.func	1-u64max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_rcu.func	1-u64max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_reuseport_cb->rcu.func	1-u64max
PARAM_VALUE	0	sk->sk_callback_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_lock.slock.rlock.dep_map->name	0-255
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_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	*sk->sk_backlog.head->data->hdr	0-4294967295
PARAM_VALUE	0	*sk->sk_backlog.head->dev->name	0-255
CAPPED_DATA	0	sk	1
DATA_SOURCE	0	sk	$0
PREEMPT_ADD			<- disables preempt
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
UNITS	0	sk	unit_byte
LOCK2		bh
LOCK2	0	&sk->sk_lock.slock
TYPE_LOCK		(struct socket_lock_t)->slock

net/ipv4/tcp.c tcp_done() -> inet_csk_destroy_sock()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_bind_node->next->pprev	1-u64max
PARAM_VALUE	0	sk->__sk_common.skc_net.net->mctp.bind_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	sk->__sk_common.skc_net.net->mctp.bind_lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	sk->__sk_common.skc_net.net->mctp.bind_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	sk->__sk_common.skc_net.net->mctp.keys_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->__sk_common.skc_node->next->pprev	1-u64max
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.raw_hash->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock->owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock.dep_map->name	0-255
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock.owner	(-1)
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock.owner_cpu	4294967295
PARAM_VALUE	0	sk->__sk_common.skc_prot->h.smc_hash->lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	sk->__sk_common.skc_state	7
PARAM_VALUE	0	sk->listener->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	sk->listener->ns_tracker->dead	0-1
PARAM_VALUE	0	sk->listener->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	sk->listener->sk_callback_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->listener->sk_lock.owned	1
PARAM_VALUE	0	sk->listener->sk_lock.slock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->listener->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->listener->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->sk_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_lock.wq.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	sk->sk_shutdown	3
PARAM_VALUE	0	sk->tcp_retransmit_timer.entry.pprev	0
PARAM_VALUE	0	sk->tcp_retransmit_timer.flags	0-4194302
PARAM_VALUE	0	sk->tcp_retransmit_timer.function	0
PARAM_VALUE	0	*sk->sk_backlog.head->dev->name	0-255
BUF_SIZE	0	sk	(-1),1480
BUF_SIZE	0	sk	(-1),1480
CAPPED_DATA	0	sk	1
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_receive_queue.prev->csum	0-65024[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	1-241[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum	0-65024[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	1-241[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	sk->sk_receive_queue.prev->users.refs.counter	s32min-0,2-s32max
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->object_size
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	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/inet_connection_sock.c inet_child_forget() -> inet_csk_destroy_sock()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->sk_callback_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	sk->sk_callback_lock.owner_cpu	u32max
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_ino	0
PARAM_VALUE	0	sk->sk_socket	0
PARAM_VALUE	0	sk->sk_wq	0
PARAM_VALUE	0	sk->sk_wq_raw	0
CAPPED_DATA	0	sk	1
DATA_SOURCE	0	sk	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	sk	unit_byte
HALF_LOCKED2		&queue->rskq_lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/inet_hashtables.c inet_ehash_nolisten() -> inet_csk_destroy_sock()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_state	7
PARAM_VALUE	0	sk->__sk_common.skc_u16hashes	0-u32max
BUF_SIZE	0	sk->__sk_common.skc_net.net	(-1),1-s32max
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
BUF_SIZE	0	sk->sk_prot_creator	(-1),448
CAPPED_DATA	0	sk	1
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
DATA_SOURCE	0	sk	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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_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_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		&head->lock
HALF_LOCKED2		&head2->lock
HALF_LOCKED2		bh
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock