netlink_broadcast identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/netlink.h, line 230 (as a prototype)

Defined in 1 files as a function:

net/netlink/af_netlink.c, line 1560 (as a function)

Referenced in 4 files:

Smatch caller information:

lib/kobject_uevent.c uevent_net_broadcast() -> netlink_broadcast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->_sk_redir	0
PARAM_VALUE	1	skb->alloc_cpu	0
PARAM_VALUE	1	skb->cloned	0
PARAM_VALUE	1	skb->csum	0
PARAM_VALUE	1	skb->csum_complete_sw	0
PARAM_VALUE	1	skb->csum_level	0
PARAM_VALUE	1	skb->csum_not_inet	0
PARAM_VALUE	1	skb->csum_offset	0
PARAM_VALUE	1	skb->csum_valid	0
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	1	skb->decrypted	0
PARAM_VALUE	1	skb->destructor	0
PARAM_VALUE	1	skb->dev_scratch	0
PARAM_VALUE	1	skb->dst_pending_confirm	0
PARAM_VALUE	1	skb->encap_hdr_csum	0
PARAM_VALUE	1	skb->encapsulation	0
PARAM_VALUE	1	skb->end	0
PARAM_VALUE	1	skb->extensions	4096-ptr_max
PARAM_VALUE	1	skb->fclone	0-1
PARAM_VALUE	1	skb->from_ingress	0
PARAM_VALUE	1	skb->hash	0
PARAM_VALUE	1	skb->hdr_len	0
PARAM_VALUE	1	skb->head	1-u64max
PARAM_VALUE	1	skb->head_frag	0
PARAM_VALUE	1	skb->headers.alloc_cpu	0
PARAM_VALUE	1	skb->headers.csum	0
PARAM_VALUE	1	skb->headers.csum_complete_sw	0
PARAM_VALUE	1	skb->headers.csum_level	0
PARAM_VALUE	1	skb->headers.csum_not_inet	0
PARAM_VALUE	1	skb->headers.csum_offset	0
PARAM_VALUE	1	skb->headers.csum_start	0
PARAM_VALUE	1	skb->headers.csum_valid	0
PARAM_VALUE	1	skb->headers.decrypted	0
PARAM_VALUE	1	skb->headers.dst_pending_confirm	0
PARAM_VALUE	1	skb->headers.encap_hdr_csum	0
PARAM_VALUE	1	skb->headers.encapsulation	0
PARAM_VALUE	1	skb->headers.from_ingress	0
PARAM_VALUE	1	skb->headers.hash	0
PARAM_VALUE	1	skb->headers.ignore_df	0
PARAM_VALUE	1	skb->headers.inner_ipproto	0
PARAM_VALUE	1	skb->headers.inner_mac_header	0
PARAM_VALUE	1	skb->headers.inner_network_header	0
PARAM_VALUE	1	skb->headers.inner_protocol	0
PARAM_VALUE	1	skb->headers.inner_protocol_type	0
PARAM_VALUE	1	skb->headers.inner_transport_header	0
PARAM_VALUE	1	skb->headers.ip_summed	0
PARAM_VALUE	1	skb->headers.ipvs_property	0
PARAM_VALUE	1	skb->headers.kcov_handle.val	0
PARAM_VALUE	1	skb->headers.l4_hash	0
PARAM_VALUE	1	skb->headers.mac_header	0
PARAM_VALUE	1	skb->headers.mark	0
PARAM_VALUE	1	skb->headers.napi_id	0
PARAM_VALUE	1	skb->headers.ndisc_nodetype	0
PARAM_VALUE	1	skb->headers.network_header	0
PARAM_VALUE	1	skb->headers.nf_skip_egress	0
PARAM_VALUE	1	skb->headers.nf_trace	0
PARAM_VALUE	1	skb->headers.no_fcs	0
PARAM_VALUE	1	skb->headers.offload_fwd_mark	0
PARAM_VALUE	1	skb->headers.offload_l3_fwd_mark	0
PARAM_VALUE	1	skb->headers.ooo_okay	0
PARAM_VALUE	1	skb->headers.pkt_type	0
PARAM_VALUE	1	skb->headers.priority	0
PARAM_VALUE	1	skb->headers.protocol	0
PARAM_VALUE	1	skb->headers.redirected	0
PARAM_VALUE	1	skb->headers.remcsum_offload	0
PARAM_VALUE	1	skb->headers.reserved_tailroom	0
PARAM_VALUE	1	skb->headers.secmark	0
PARAM_VALUE	1	skb->headers.sender_cpu	0
PARAM_VALUE	1	skb->headers.skb_iif	0
PARAM_VALUE	1	skb->headers.slow_gro	0
PARAM_VALUE	1	skb->headers.sw_hash	0
PARAM_VALUE	1	skb->headers.tc_at_ingress	0
PARAM_VALUE	1	skb->headers.tc_depth	0
PARAM_VALUE	1	skb->headers.tc_index	0
PARAM_VALUE	1	skb->headers.tc_skip_classify	0
PARAM_VALUE	1	skb->headers.transport_header	0
PARAM_VALUE	1	skb->headers.tstamp_type	0
PARAM_VALUE	1	skb->headers.unreadable	0
PARAM_VALUE	1	skb->headers.vlan_all	0
PARAM_VALUE	1	skb->headers.vlan_proto	0
PARAM_VALUE	1	skb->headers.vlan_tci	0
PARAM_VALUE	1	skb->headers.wifi_acked	0
PARAM_VALUE	1	skb->headers.wifi_acked_valid	0
PARAM_VALUE	1	skb->ignore_df	0
PARAM_VALUE	1	skb->inner_ipproto	0
PARAM_VALUE	1	skb->inner_protocol	0
PARAM_VALUE	1	skb->inner_protocol_type	0
PARAM_VALUE	1	skb->ip_summed	0
PARAM_VALUE	1	skb->ipvs_property	0
PARAM_VALUE	1	skb->kcov_handle.val	0
PARAM_VALUE	1	skb->l4_hash	0
PARAM_VALUE	1	skb->list.next	0
PARAM_VALUE	1	skb->list.prev	0
PARAM_VALUE	1	skb->ll_node.next	0
PARAM_VALUE	1	skb->mac_len	0
PARAM_VALUE	1	skb->mark	0
PARAM_VALUE	1	skb->napi_id	0
PARAM_VALUE	1	skb->ndisc_nodetype	0
PARAM_VALUE	1	skb->next	0
PARAM_VALUE	1	skb->nf_skip_egress	0
PARAM_VALUE	1	skb->nf_trace	0
PARAM_VALUE	1	skb->no_fcs	0
PARAM_VALUE	1	skb->nohdr	0
PARAM_VALUE	1	skb->offload_fwd_mark	0
PARAM_VALUE	1	skb->offload_l3_fwd_mark	0
PARAM_VALUE	1	skb->ooo_okay	0
PARAM_VALUE	1	skb->peeked	0
PARAM_VALUE	1	skb->pkt_type	0
PARAM_VALUE	1	skb->pp_recycle	0
PARAM_VALUE	1	skb->prev	0
PARAM_VALUE	1	skb->priority	0
PARAM_VALUE	1	skb->protocol	0
PARAM_VALUE	1	skb->rbnode.__rb_parent_color	0
PARAM_VALUE	1	skb->rbnode.rb_left	0
PARAM_VALUE	1	skb->rbnode.rb_right	0
PARAM_VALUE	1	skb->redirected	0
PARAM_VALUE	1	skb->remcsum_offload	0
PARAM_VALUE	1	skb->reserved_tailroom	0
PARAM_VALUE	1	skb->secmark	0
PARAM_VALUE	1	skb->sender_cpu	0
PARAM_VALUE	1	skb->sk	0
PARAM_VALUE	1	skb->skb_iif	0
PARAM_VALUE	1	skb->sw_hash	0
PARAM_VALUE	1	skb->tc_at_ingress	0
PARAM_VALUE	1	skb->tc_depth	0
PARAM_VALUE	1	skb->tc_index	0
PARAM_VALUE	1	skb->tc_skip_classify	0
PARAM_VALUE	1	skb->tcp_tsorted_anchor.next	0
PARAM_VALUE	1	skb->tcp_tsorted_anchor.prev	0
PARAM_VALUE	1	skb->truesize	0
PARAM_VALUE	1	skb->tstamp_type	0
PARAM_VALUE	1	skb->unreadable	0
PARAM_VALUE	1	skb->users.refs.counter	1
PARAM_VALUE	1	skb->vlan_all	0
PARAM_VALUE	1	skb->vlan_proto	0
PARAM_VALUE	1	skb->vlan_tci	0
PARAM_VALUE	1	skb->wifi_acked	0
PARAM_VALUE	1	skb->wifi_acked_valid	0
PARAM_VALUE	1	*skb->cb	0-255
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	1
PARAM_VALUE	4	allocation	3264
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	0	ssk	$0
DATA_SOURCE	1	skb	r skb_copy_expand
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	1	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	1	skb->end
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 &hwsim_phys_lock
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &rx_queue_mutex
HALF_LOCKED2		rcu_read

lib/kobject_uevent.c uevent_net_broadcast_tagged() -> netlink_broadcast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	1
PARAM_VALUE	4	allocation	3264
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
CAPPED_DATA	0	ssk->__sk_common.skc_net.net	1
DATA_SOURCE	0	ssk	$0
DATA_SOURCE	1	skb	r alloc_uevent_skb
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&adev->physical_node_lock
HALF_LOCKED2		&cinfo->recv_mutex
HALF_LOCKED2		&hdev->dev.mutex
HALF_LOCKED2		&hdev->req_lock
HALF_LOCKED2		&led_cdev->trigger_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pdev->dev.mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&port_dev->status_lock
HALF_LOCKED2		&sw->tb->lock
HALF_LOCKED2		&tb->lock
HALF_LOCKED2		&vgpu->vgpu_lock
HALF_LOCKED2		global &_event_lock
HALF_LOCKED2		global &acpi_scan_lock
HALF_LOCKED2		global &bch_register_lock
HALF_LOCKED2		global &device_hotplug_lock
HALF_LOCKED2		global &dpm_list_mtx
HALF_LOCKED2		global &ls_lock
HALF_LOCKED2		global &pci_rescan_remove_lock
HALF_LOCKED2		global &rtnl_mutex

lib/kobject_uevent.c uevent_net_broadcast_untagged() -> netlink_broadcast()

Type	Parameter	Key	Value
PARAM_VALUE	0	ssk	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	1
PARAM_VALUE	4	allocation	3264
BUF_SIZE	1	skb	0-s32max
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &uevent_sock_mutex
HALF_LOCKED2		&adev->physical_node_lock
HALF_LOCKED2		&cinfo->recv_mutex
HALF_LOCKED2		&hdev->dev.mutex
HALF_LOCKED2		&hdev->req_lock
HALF_LOCKED2		&led_cdev->trigger_lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		&pdev->dev.mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&port_dev->status_lock
HALF_LOCKED2		&sw->tb->lock
HALF_LOCKED2		&tb->lock
HALF_LOCKED2		&vgpu->vgpu_lock
HALF_LOCKED2		global &_event_lock
HALF_LOCKED2		global &acpi_scan_lock
HALF_LOCKED2		global &bch_register_lock
HALF_LOCKED2		global &device_hotplug_lock
HALF_LOCKED2		global &dpm_list_mtx
HALF_LOCKED2		global &ls_lock
HALF_LOCKED2		global &pci_rescan_remove_lock
HALF_LOCKED2		global &rtnl_mutex

net/netfilter/nfnetlink.c nfnetlink_broadcast() -> netlink_broadcast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	8
PARAM_VALUE	4	allocation	2080
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	1	skb	$1
DATA_SOURCE	2	portid	$2
DATA_SOURCE	3	group	$3
DATA_SOURCE	4	allocation	$4
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&table->lock
HALF_LOCKED2		bh
HALF_LOCKED2		rcu_read

net/netlink/af_netlink.c netlink_sendmsg() -> netlink_broadcast()

Type	Parameter	Key	Value
PARAM_VALUE	0	ssk	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	3	group	1-u32max
PARAM_VALUE	4	allocation	3264
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	1	skb	r netlink_alloc_large_skb
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	2	portid	0-u32max[u]
NO_OVERFLOW_SIMPLE	0	ssk->sk_backlog.len
UNITS	0	ssk	unit_byte
HALF_LOCKED2		&vq->mutex
HALF_LOCKED2		sk

security/selinux/netlink.c selnl_notify() -> netlink_broadcast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	1
PARAM_VALUE	4	allocation	1051840
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	1	skb	r nlmsg_new
NOCHECK_CALL
HALF_LOCKED2		global &selinux_state.policy_mutex