sk_dst_get identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/net/sock.h, line 2203 (as a function)

Referenced in 6 files:

Smatch caller information:

net/l2tp/l2tp_eth.c l2tp_tunnel_dst_mtu() -> sk_dst_get()

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->next	4096-ptr_max
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->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->listener->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	sk->listener->__sk_common.skc_net.net->refcnt_tracker.dead	1
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_bpf_storage->owner_refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	sk->listener->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	sk->listener->sk_lock.owned	1
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->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->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->__sk_common.skc_state	0-9,11-255
PARAM_VALUE	0	sk->sk_backlog.head->sk->failed_data_req	0-255
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_rcu.func	1-u64max
PARAM_VALUE	0	sk->sk_backlog.head->sk->sk_sndbuf	s32min-(-1),4608-s32max
PARAM_VALUE	0	sk->sk_backlog.head->sk->state	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_cgrp_data.cgroup->bpf.refcnt.percpu_count_ptr	1-u64max
PARAM_VALUE	0	sk->sk_dst_cache->callback_head.flags	0-4294967295
PARAM_VALUE	0	sk->sk_dst_cache->callback_head.is_hard	0-1
PARAM_VALUE	0	sk->sk_dst_cache->callback_head.is_lazy	0-1
PARAM_VALUE	0	sk->sk_dst_cache->callback_head.is_queued	0-1
PARAM_VALUE	0	sk->sk_dst_cache->callback_head.is_soft	0-1
PARAM_VALUE	0	sk->sk_dst_cache->ops->pcpuc_entries.lock.owner	(-1)
PARAM_VALUE	0	sk->sk_dst_cache->ops->pcpuc_entries.lock.owner_cpu	u32max
PARAM_VALUE	0	sk->sk_dst_cache->ops->pcpuc_entries.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	sk->sk_lock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_lock.owned	0
PARAM_VALUE	0	sk->sk_lock.slock.rlock.dep_map->name	0-255
PARAM_VALUE	0	sk->sk_lock.wq.head.next	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_memcg->high_work.is_queued	0-1
PARAM_VALUE	0	sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	sk->sk_user_data->connect_cookie	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->cp_conn->c_proposed_version	769
PARAM_VALUE	0	sk->sk_user_data->cp_recv_w.cpu	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->cp_recv_w.timer.flags	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->cp_recv_w.timer.is_hard	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_recv_w.timer.is_lazy	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_recv_w.timer.is_queued	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_recv_w.timer.is_soft	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_send_w.cpu	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->cp_send_w.timer.flags	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->cp_send_w.timer.is_hard	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_send_w.timer.is_lazy	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_send_w.timer.is_queued	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_send_w.timer.is_soft	0-1
PARAM_VALUE	0	sk->sk_user_data->cp_state.counter	0-s32max
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.failfast_work.cpu	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.failfast_work.timer.flags	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_hard	0-1
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_lazy	0-1
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_queued	0-1
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_soft	0-1
PARAM_VALUE	0	sk->sk_user_data->ctrl->ctrl.state	2
PARAM_VALUE	0	sk->sk_user_data->dev->carrier_down_count.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->dev->refcnt_tracker.untracked.refs.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->door_bell.done	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->door_bell.wait.lock.owner	(-1)
PARAM_VALUE	0	sk->sk_user_data->door_bell.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	sk->sk_user_data->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->login_work.cpu	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->login_work.timer.flags	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->login_work.timer.is_hard	0-1
PARAM_VALUE	0	sk->sk_user_data->login_work.timer.is_lazy	0-1
PARAM_VALUE	0	sk->sk_user_data->login_work.timer.is_queued	0-1
PARAM_VALUE	0	sk->sk_user_data->login_work.timer.is_soft	0-1
PARAM_VALUE	0	sk->sk_user_data->mpa_timer->type	5,7
PARAM_VALUE	0	sk->sk_user_data->private->s_delegated_inos.xa_flags	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->qp->tx_ctx.tx_suspend	1
PARAM_VALUE	0	sk->sk_user_data->read.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->reestablish_timeout	0,750
PARAM_VALUE	0	sk->sk_user_data->ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->sc_kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->sc_node->nd_item.ci_dentry->d_fsdata->s_dependent_count	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->sc_page->_refcount.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->sc_page->page_type	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->session->state	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->sock_state.counter	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->work.cpu	s32min-s32max
PARAM_VALUE	0	sk->sk_user_data->work.timer.flags	0-4294967295
PARAM_VALUE	0	sk->sk_user_data->work.timer.is_hard	0-1
PARAM_VALUE	0	sk->sk_user_data->work.timer.is_lazy	0-1
PARAM_VALUE	0	sk->sk_user_data->work.timer.is_queued	0-1
PARAM_VALUE	0	sk->sk_user_data->work.timer.is_soft	0-1
PARAM_VALUE	0	sk->tcp_retransmit_timer.entry->pprev	4096-ptr_max
PARAM_VALUE	0	*sk->sk_backlog.head->data->hdr	0-4294967295
PARAM_VALUE	0	*sk->sk_backlog.head->dev->name	0-255
PARAM_VALUE	0	*sk->sk_user_data->dev->pcpu_refcnt	s32min-s32max
PARAM_VALUE	0	*sk->sk_user_data->door_bell.wait.lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*sk->sk_user_data->private->o_auth.authorizer->session_key.key	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*sk->sk_user_data->private->s_auth.authorizer->session_key.key	(-4611686018427387904)-4611686018427387903
CAPPED_DATA	0	sk	1
RX_PATH
TASK_NOT_RUNNING
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->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->data_len
UNITS	0	sk	unit_byte
HALF_LOCKED2		&dev->lock
HALF_LOCKED2		&devlink->lock
HALF_LOCKED2		&net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2		global &audit_cmd_mutex.lock
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &crypto_cfg_mutex
HALF_LOCKED2		global &dpll_lock
HALF_LOCKED2		global &hwsim_phys_lock
HALF_LOCKED2		global &net_dm_mutex
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &rx_queue_mutex
HALF_LOCKED2		rcu_read

drivers/infiniband/sw/rxe/rxe_net.c rxe_find_route() -> sk_dst_get()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sk	unit_byte

net/ipv4/ip_sockglue.c do_ip_getsockopt() -> sk_dst_get()

Type	Parameter	Key	Value
DATA_SOURCE	0	sk	$0
RX_PATH

drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c chcr_ktls_dev_add() -> sk_dst_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
DATA_SOURCE	0	sk	$1
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
HALF_LOCKED2		global &device_offload_lock
HALF_LOCKED2		global &uld_mutex
HALF_LOCKED2	0	sk

net/core/sock.c sk_dst_check() -> sk_dst_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	*sk->sk_backlog.head->dev->name	0-255
CAPPED_DATA	0	sk	1
DATA_SOURCE	0	sk	$0
RX_PATH
TASK_NOT_RUNNING
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->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->data_len
UNITS	0	sk	unit_byte

net/l2tp/l2tp_ppp.c l2tp_tunnel_dst_mtu() -> sk_dst_get()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
UNITS	0	sk	unit_byte
LOCK2		&ps->sk_lock
LOCK2		sk
TYPE_LOCK		(struct pppol2tp_session)->sk_lock

net/ipv4/route.c ipv4_sk_update_pmtu() -> sk_dst_get()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	1-ptr_max
PARAM_VALUE	0	sk->sk_lock.slock.rlock.dep_map->name	0-255
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
DATA_SOURCE	0	sk	$1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&sk->sk_lock.slock
HALF_LOCKED2		rcu_read
TYPE_LOCK		(struct socket_lock_t)->slock