decode_header identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a struct:

arch/arm/probes/decode.h, line 298 (as a struct)

Defined in 1 files as a prototype:

drivers/block/drbd/drbd_receiver.c, line 615 (as a prototype)

Defined in 1 files as a function:

drivers/block/drbd/drbd_receiver.c, line 970 (as a function)

Referenced in 12 files:

Smatch caller information:

drivers/block/drbd/drbd_receiver.c drbd_recv_header() -> decode_header()

Type	Parameter	Key	Value
PARAM_VALUE	0	connection	4096-ptr_max
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	connection->data.sbuf->length	0-s32max
PARAM_VALUE	0	connection->data.sbuf->magic	33626,2205418087,2250304544
PARAM_VALUE	0	connection->data.sbuf->pad	0
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_u16hashes	0-u32max
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_backlog.head->cb->type	4
PARAM_VALUE	0	connection->data.socket->sk->sk_backlog.head->dev->flags	1-u32max
PARAM_VALUE	0	connection->data.socket->sk->sk_backlog.head->extensions->refcnt.refs.counter	1
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.entry.next	s64max
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_error_queue.next->prev	2011684551238094848
PARAM_VALUE	0	connection->data.socket->sk->sk_filter->refcnt.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_lock.slock.rlock.dep_map->name	0-255
PARAM_VALUE	0	connection->data.socket->sk->sk_lock.wq.head.next	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_lock.wq.head.prev->next->next	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_memcg->memory.high	0-2251799813685247
PARAM_VALUE	0	connection->data.socket->sk->sk_memcg->memsw.high	0-2251799813685247
PARAM_VALUE	0	connection->data.socket->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_reuseport_cb->rcu.flags	0-4294967295
PARAM_VALUE	0	connection->resource->req_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	*connection->data.socket->sk->sk_backlog.head->cb->data_end	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*connection->data.socket->sk->sk_backlog.head->data->hdr	0-4294967295
PARAM_VALUE	0	*connection->data.socket->sk->sk_backlog.head->dev->name	0-255
PARAM_VALUE	2	pi	5503667380786962432,7046873829657968640
PARAM_VALUE	2	pi->cmd	0-u16max
PARAM_VALUE	2	pi->vnr	0-u16max
DATA_SOURCE	0	connection	$0
DATA_SOURCE	2	pi	$1

drivers/block/drbd/drbd_receiver.c drbd_recv_header_maybe_unplug() -> decode_header()

Type	Parameter	Key	Value
PARAM_VALUE	0	connection	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_node.next->pprev	1-u64max
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_prot->h.smc_hash->lock.owner	(-1)
PARAM_VALUE	0	connection->data.socket->sk->__sk_common.skc_prot->h.smc_hash->lock.owner_cpu	4294967295
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->callback_head.func	1-u64max
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner	(-1)
PARAM_VALUE	0	connection->data.socket->sk->sk_dst_cache->ops->pcpuc_entries.lock.owner_cpu	u32max
PARAM_VALUE	0	connection->data.socket->sk->sk_error_queue.prev->next	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_error_queue.prev->next->next	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_filter->rcu.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_filter->rcu.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_filter->rcu.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_filter->rcu.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_filter->rcu.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_prot_creator->twsk_prot	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_receive_queue.prev->next	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->connect_cookie	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_conn->c_proposed_version	769
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_recv_w.cpu	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_recv_w.timer.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_recv_w.timer.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_recv_w.timer.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_recv_w.timer.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_recv_w.timer.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_send_w.cpu	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_send_w.timer.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_send_w.timer.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_send_w.timer.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_send_w.timer.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_send_w.timer.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->cp_state.counter	0-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.failfast_work.cpu	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.failfast_work.timer.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.failfast_work.timer.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ctrl->ctrl.state	2
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->dev->carrier_down_count.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->dev->refcnt_tracker.untracked.refs.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->door_bell.done	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->door_bell.wait.lock.owner	(-1)
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->door_bell.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->door_bell.wait.lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->login_work.cpu	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->login_work.timer.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->login_work.timer.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->login_work.timer.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->login_work.timer.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->login_work.timer.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->mpa_timer->type	5,7
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->private->s_delegated_inos.xa_flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->qp->tx_ctx.tx_suspend	1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->read.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->reestablish_timeout	0,750
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->ref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->sc_kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->sc_page->_refcount.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->sc_page->page_type	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->session->state	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->sock_state.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.cpu	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.timer.flags	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.timer.is_hard	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.timer.is_lazy	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.timer.is_queued	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_user_data->work.timer.is_soft	0-1
PARAM_VALUE	0	connection->data.socket->sk->sk_write_queue.prev->next	4096-ptr_max
PARAM_VALUE	0	connection->data.socket->sk->sk_write_queue.prev->next->next	4096-ptr_max
PARAM_VALUE	0	connection->receiver.reset_cpu_mask	0
PARAM_VALUE	0	connection->receiver.t_state	1
PARAM_VALUE	0	connection->receiver_plug.cb_list.next	4096-ptr_max
PARAM_VALUE	0	connection->receiver_plug.cb_list.next->next	4096-ptr_max
PARAM_VALUE	0	connection->receiver_plug.cb_list.prev	4096-ptr_max
PARAM_VALUE	0	connection->receiver_plug.cb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	connection->receiver_plug.cb_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	connection->receiver_plug.cur_ktime	0
PARAM_VALUE	0	connection->receiver_plug.has_elevator	0
PARAM_VALUE	0	connection->receiver_plug.nr_ios	1-32
PARAM_VALUE	0	connection->receiver_plug.rq_count	0
PARAM_VALUE	0	*connection->data.socket->sk->sk_backlog.head->dev->name	0-255
PARAM_VALUE	0	*connection->data.socket->sk->sk_user_data->dev->pcpu_refcnt	s32min-s32max
PARAM_VALUE	0	*connection->data.socket->sk->sk_user_data->private->o_auth.authorizer->session_key.key	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*connection->data.socket->sk->sk_user_data->private->s_auth.authorizer->session_key.key	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	2	pi	5503667380786962432
PARAM_VALUE	2	pi->cmd	0-u16max
PARAM_VALUE	2	pi->vnr	0-u16max
DATA_SOURCE	0	connection	$0
DATA_SOURCE	2	pi	$1
NO_OVERFLOW_SIMPLE	0	connection->data.socket->sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	connection->data.socket->sk->sk_receive_queue.prev->data_len
NO_OVERFLOW_SIMPLE	0	connection->data.socket->sk->sk_receive_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE	0	connection->data.socket->sk->sk_write_queue.next->data_len
NO_OVERFLOW_SIMPLE	0	connection->data.socket->sk->sk_write_queue.next->prev->data_len

drivers/block/drbd/drbd_receiver.c receive_first_packet() -> decode_header()

Type	Parameter	Key	Value
PARAM_VALUE	0	connection	4096-ptr_max
PARAM_VALUE	0	connection->agreed_pro_version	80
PARAM_VALUE	0	connection->cstate_mutex.dep_map->name	0-255
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	connection->cstate_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	connection->data.socket->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	connection->net_conf	4096-ptr_max
PARAM_VALUE	0	connection->resource	4096-ptr_max
PARAM_VALUE	0	connection->resource->req_lock.rlock.dep_map->name	0-255
PARAM_VALUE	2	pi	3364230725609914368
CAPPED_DATA	0	connection->net_conf	1
CAPPED_DATA	0	connection->peer_devices.idr_base	1
CAPPED_DATA	0	connection->resource->devices.idr_base	1
DATA_SOURCE	0	connection	$0