nlmsg_multicast identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/net/netlink.h, line 1173

Defined in 1 files as a function:

include/net/netlink.h, line 1181 (as a function)

Referenced in 8 files:

Smatch caller information:

net/core/sock_diag.c sock_diag_broadcast_destroy_work() -> nlmsg_multicast()

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	0-4
PARAM_VALUE	4	flags	3264
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	1	skb	r nlmsg_new
DATA_SOURCE	3	group	r sock_diag_destroy_group
NOCHECK_CALL
HALF_LOCKED2		&pool->lock

drivers/infiniband/core/netlink.c rdma_nl_multicast() -> nlmsg_multicast()

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	2-4
PARAM_VALUE	4	flags	2080,3264,10240
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
CAPPED_DATA	1	skb	1
DATA_SOURCE	1	skb	$1
DATA_SOURCE	3	group	$2
DATA_SOURCE	4	flags	$3
FUZZY_MAX	4	flags	10240
BIT_INFO	4	flags	0x800,0x2ce0
HARD_MAX	3	group	4
HARD_MAX	4	flags	10240
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		flags
HALF_LOCKED2		global &ib_nl_request_lock

drivers/scsi/scsi_transport_iscsi.c iscsi_multicast_skb() -> nlmsg_multicast()

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	1-2
PARAM_VALUE	4	flags	2080,3072,3264
BUF_SIZE	1	skb	0,4-s32max
BUF_SIZE	1	skb	0,4-s32max
DATA_SOURCE	1	skb	$0
DATA_SOURCE	3	group	$1
DATA_SOURCE	4	flags	$2
HARD_MAX	3	group	2
HARD_MAX	4	flags	3264
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		global &rx_queue_mutex

kernel/audit.c kauditd_send_multicast_skb() -> nlmsg_multicast()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
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_start	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_mac_header	0
PARAM_VALUE	1	skb->inner_network_header	0
PARAM_VALUE	1	skb->inner_protocol	0
PARAM_VALUE	1	skb->inner_protocol_type	0
PARAM_VALUE	1	skb->inner_transport_header	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_header	u16max
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->network_header	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->transport_header	u16max
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	flags	3264
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	0	sk	r audit_get_sk
DATA_SOURCE	1	skb	r skb_copy
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	1	skb->end

net/xfrm/xfrm_user.c xfrm_nlmsg_multicast() -> nlmsg_multicast()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	1-u64max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	1-8
PARAM_VALUE	4	flags	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
HARD_MAX	3	group	8
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		rcu_read

net/netlink/genetlink.c genlmsg_mcast() -> nlmsg_multicast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	2	portid	0
PARAM_VALUE	4	flags	2080
BUF_SIZE	1	skb	(-1),240
BUF_SIZE	1	skb	(-1),240
DATA_SOURCE	1	skb	r skb_clone
DATA_SOURCE	2	portid	$1
DATA_SOURCE	3	group	$2
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		global &rtnl_mutex

net/netlink/genetlink.c genlmsg_mcast() -> nlmsg_multicast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	2	portid	0
PARAM_VALUE	4	flags	2080
BUF_SIZE	1	skb	(-1)-0,4-s32max
BUF_SIZE	1	skb	(-1)-0,4-s32max
DATA_SOURCE	1	skb	$0
DATA_SOURCE	2	portid	$1
DATA_SOURCE	3	group	$2
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		global &rtnl_mutex

drivers/scsi/scsi_transport_fc.c fc_host_post_fc_event() -> nlmsg_multicast()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	1-u64max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data_len	0
PARAM_VALUE	2	portid	0
PARAM_VALUE	3	group	4
PARAM_VALUE	4	flags	3264
BUF_SIZE	1	skb	0-s32max
BUF_SIZE	1	skb	0-s32max
DATA_SOURCE	1	skb	r nlmsg_new
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

net/netlink/af_netlink.c nlmsg_notify() -> nlmsg_multicast()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	3	group	1-u32max
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
CAPPED_DATA	1	skb	1
DATA_SOURCE	0	sk	$0
DATA_SOURCE	1	skb	$1
DATA_SOURCE	3	group	$3
DATA_SOURCE	4	flags	$5
FUZZY_MAX	3	group	6
STR_LEN	0	sk	(-1),3,7
STR_LEN	0	sk	(-1),3,7
STR_LEN	1	skb	(-1),3,7
STR_LEN	1	skb	(-1),3,7
RX_PATH
TASK_NOT_RUNNING