mgmt_alloc_skb identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

net/bluetooth/mgmt_util.h, line 42 (as a prototype)

Defined in 1 files as a function:

net/bluetooth/mgmt_util.c, line 56 (as a function)

Referenced in 2 files:

Smatch caller information:

net/bluetooth/mgmt.c mesh_device_found() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev	4096-ptr_max
PARAM_VALUE	0	hdev->dev_flags	4096-ptr_max
PARAM_VALUE	0	hdev->lock->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	hdev->lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	hdev->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->mesh_ad_types	4096-ptr_max
PARAM_VALUE	0	hdev->recv_event	0,4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->req_skb	0,4096-ptr_max
PARAM_VALUE	1	opcode	49
PARAM_VALUE	2	size	22-65812
BUF_SIZE	0	hdev->recv_event	(-1),1-s32max
DATA_SOURCE	0	hdev	$0
RX_PATH
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->len
UNITS	2	size	unit_byte
USER_PTR	0	hdev->recv_event->data
LOCK2	0	&hdev->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/mgmt.c mgmt_device_connected() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev	4096-ptr_max
PARAM_VALUE	0	hdev->dev_flags	4096-ptr_max
PARAM_VALUE	0	hdev->lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	hdev->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event	0,4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->sk_bpf_storage->owner_refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	hdev->req_skb	0,4096-ptr_max
PARAM_VALUE	1	opcode	11
PARAM_VALUE	2	size	14-268
BUF_SIZE	0	hdev->recv_event	(-1)-s32max
DATA_SOURCE	0	hdev	$0
RX_PATH
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
UNITS	2	size	unit_byte
USER_PTR	0	hdev->recv_event->data
LOCK2		&pool->lock
LOCK2	0	&hdev->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/mgmt.c mgmt_device_connected() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev	4096-ptr_max
PARAM_VALUE	0	hdev->dev_flags	4096-ptr_max
PARAM_VALUE	0	hdev->lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	hdev->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event	0,4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->sk_bpf_storage->owner_refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	hdev->req_skb	0,4096-ptr_max
PARAM_VALUE	1	opcode	11
PARAM_VALUE	2	size	18,20-268
BUF_SIZE	0	hdev->recv_event	(-1)-s32max
DATA_SOURCE	0	hdev	$0
RX_PATH
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
UNITS	2	size	unit_byte
USER_PTR	0	hdev->recv_event->data
LOCK2		&pool->lock
LOCK2	0	&hdev->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/mgmt.c mgmt_device_found() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev	4096-ptr_max
PARAM_VALUE	0	hdev->dev_flags	4096-ptr_max
PARAM_VALUE	0	hdev->lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	hdev->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event	0,4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->req_skb	0,4096-ptr_max
PARAM_VALUE	1	opcode	18
PARAM_VALUE	2	size	19-65809
BUF_SIZE	0	hdev->recv_event	(-1),1-s32max
DATA_SOURCE	0	hdev	$0
RX_PATH
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->len
UNITS	2	size	unit_byte
USER_PTR	0	hdev->recv_event->data
LOCK2		&pool->lock
LOCK2	0	&hdev->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/mgmt.c mgmt_remote_name() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev	4096-ptr_max
PARAM_VALUE	0	hdev->dev_flags	4096-ptr_max
PARAM_VALUE	0	hdev->discovery.state	3
PARAM_VALUE	0	hdev->lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	hdev->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event	0,4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev	4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->sk_bpf_storage->owner_refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	hdev->req_skb	0,4096-ptr_max
PARAM_VALUE	1	opcode	18
PARAM_VALUE	2	size	14,16-264
BUF_SIZE	0	hdev->recv_event	(-1)-s32max
DATA_SOURCE	0	hdev	$0
RX_PATH
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
UNITS	2	size	unit_byte
USER_PTR	0	hdev->recv_event->data
LOCK2		&pool->lock
LOCK2	0	&hdev->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/mgmt.c mgmt_send_adv_monitor_device_found() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev	4096-ptr_max
PARAM_VALUE	0	hdev->dev_flags	4096-ptr_max
PARAM_VALUE	0	hdev->lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	hdev->lock.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	hdev->lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	hdev->lock.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	hdev->lock.wait_lock.owner	(-1)
PARAM_VALUE	0	hdev->lock.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	hdev->recv_event	0,4096-ptr_max
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	hdev->recv_event->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	hdev->req_skb	0,4096-ptr_max
PARAM_VALUE	0	hdev->workqueue->flags	0-4294967295
PARAM_VALUE	1	opcode	47
BUF_SIZE	0	hdev->recv_event	(-1),1-s32max
DATA_SOURCE	0	hdev	$0
RX_PATH
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->truesize
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->truesize
UNITS	2	size	unit_byte
USER_PTR	0	hdev->recv_event->data
LOCK2	0	&hdev->lock
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct hci_dev)->lock

net/bluetooth/mgmt_util.c mgmt_send_event() -> mgmt_alloc_skb()

Type	Parameter	Key	Value
PARAM_VALUE	0	hdev->debugfs->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	hdev->debugfs->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	hdev->debugfs->d_parent->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	hdev->debugfs->d_parent->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	hdev->debugfs->d_parent->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	hdev->debugfs->d_parent->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	hdev->debugfs->d_parent->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	hdev->debugfs->d_sb->__s_d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	hdev->hci_drv->specific_handler_count	0,2
PARAM_VALUE	1	opcode	4-10,12-17,19-39,42-46,48,50-51
BUF_SIZE	0	hdev	(-1)-s32max
BUF_SIZE	0	hdev	(-1)-s32max
BUF_SIZE	0	hdev->dev.parent	(-1),1616
BUF_SIZE	0	hdev->recv_event	(-1),1-s32max
CAPPED_DATA	2	size	1
DATA_SOURCE	0	hdev	$1
DATA_SOURCE	1	opcode	$0
DATA_SOURCE	2	size	$4
HARD_MAX	1	opcode	51
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	hdev->appearance	0-u16max[u]
USER_DATA	0	hdev->pkt_type	0-u16max
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->data_len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->end
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->len
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->tail
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->prev->truesize
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->tail
NO_OVERFLOW_SIMPLE	0	hdev->cmd_q.next->truesize
UNITS	2	size	unit_byte
USER_PTR	0	hdev->irk
USER_PTR	0	hdev->recv_event->data
HALF_LOCKED2		global &mgmt_chan_list_lock
HALF_LOCKED2	0	&hdev->cmd_sync_work_lock
HALF_LOCKED2	0	&hdev->lock
HALF_LOCKED2	0	&hdev->req_lock