batadv_dat_check_dhcp_ack identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

net/batman-adv/distributed-arp-table.c, line 1680

Defined in 1 files as a function:

net/batman-adv/distributed-arp-table.c, line 1697 (as a function)

Referenced in 1 files:

net/batman-adv/distributed-arp-table.c
- line 1745
- line 1783

Smatch caller information:

net/batman-adv/distributed-arp-table.c batadv_dat_snoop_incoming_dhcp_ack() -> batadv_dat_check_dhcp_ack()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->data->version	15
PARAM_VALUE	0	skb->dev->ethtool_ops->get_link_ext_state	0,8,1281650680815353856,1471363006793740288,2066653251895574528
PARAM_VALUE	0	skb->dev->ethtool_ops->get_mm_stats	0,88,181867277093580800,5657799486394183680,5747745173089693696
PARAM_VALUE	0	skb->dev->ethtool_ops->rxfh_max_num_contexts	0,2,8,16,33
PARAM_VALUE	0	skb->dev->ip6_ptr->dead	s32min-s32max
PARAM_VALUE	0	skb->dev->ip6_ptr->mc_gq_running	0-255
PARAM_VALUE	0	skb->dev->ip6_ptr->mc_maxdelay	0-s64max
PARAM_VALUE	0	skb->dev->ip6_ptr->mc_qri	0-s64max
PARAM_VALUE	0	skb->dev->ip6_ptr->mc_qrv	0-255
PARAM_VALUE	0	skb->dev->ip6_ptr->ra_mtu	0-4294967295
PARAM_VALUE	0	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	skb->dev->rtnl_link_ops->priv_size	0,8,32,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744
PARAM_VALUE	0	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead	1
PARAM_VALUE	0	skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead	1
PARAM_VALUE	0	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	0	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	0	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	0	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	0	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	0	skb->sk->sk_bpf_storage->owner_refcnt.refs.counter	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	0	skb->sk->sk_callback_lock.owner_cpu	u32max
PARAM_VALUE	0	skb->sk->sk_callback_lock.raw_lock.cnts.counter	0-s32max
PARAM_VALUE	0	skb->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	skb->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	0	skb->sk->sk_rcu.next	0
PARAM_VALUE	2	ip_src	5429859303037186048
PARAM_VALUE	3	chaddr	2198922991945027584
PARAM_VALUE	4	yiaddr	7439070474962800640
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	3	chaddr	16
CAPPED_DATA	0	skb	1
DATA_SOURCE	0	skb	$1
MEM_ZERO	0	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	skb->csum	0-126976[c]
HOST_DATA	0	skb->csum_offset	0-u16max
HOST_DATA	0	skb->len	0-u32max[c]
HOST_DATA	0	skb->prev->csum_offset	0-u16max
HOST_DATA	0	skb->prev->data_len	0-u32max[c]
HOST_DATA	0	skb->prev->len	1-u32max[c]
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	*skb->data	0-255
USER_DATA	1	proto	0-u16max[u]
NO_OVERFLOW_SIMPLE	0	skb->data_len
NO_OVERFLOW_SIMPLE	0	skb->dev->group
NO_OVERFLOW_SIMPLE	0	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	0	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	0	skb->end
NO_OVERFLOW_SIMPLE	0	skb->extensions
NO_OVERFLOW_SIMPLE	0	skb->len
NO_OVERFLOW_SIMPLE	0	skb->next->end
NO_OVERFLOW_SIMPLE	0	skb->next->len
NO_OVERFLOW_SIMPLE	0	skb->prev->end
NO_OVERFLOW_SIMPLE	0	skb->prev->len
NO_OVERFLOW_SIMPLE	0	skb->prev->tail
NO_OVERFLOW_SIMPLE	0	skb->prev->truesize
NO_OVERFLOW_SIMPLE	0	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
UNITS	1	proto	unit_byte
HALF_LOCKED2		rcu_read

net/batman-adv/distributed-arp-table.c batadv_dat_snoop_outgoing_dhcp_ack() -> batadv_dat_check_dhcp_ack()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	0	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	skb->dev->rtnl_link_ops->priv_size	0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE	1	proto	0-17156,17158-u16max
PARAM_VALUE	2	ip_src	5484443011315113984
PARAM_VALUE	3	chaddr	3189360658273914880
PARAM_VALUE	4	yiaddr	6190201242323558400
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	3	chaddr	16
DATA_SOURCE	0	skb	$1
DATA_SOURCE	1	proto	$2
MEM_ZERO	0	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	skb->csum_offset	0-u16max
HOST_DATA	0	skb->data_len	0-2147483648[c]
HOST_DATA	0	skb->len	0-u32max[c]
HOST_DATA	0	skb->next->csum_offset	0-u16max
HOST_DATA	0	skb->next->data_len	0-u32max[c]
HOST_DATA	0	skb->next->len	1-u32max[c]
HOST_DATA	0	skb->prev->csum_offset	0-u16max
HOST_DATA	0	skb->prev->data_len	0-u32max[c]
HOST_DATA	0	skb->prev->len	0-u32max[c]
HOST_DATA	0	skb->prev->truesize	0-u32max
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*skb->data	0-255
NO_OVERFLOW_SIMPLE	0	skb->data_len
NO_OVERFLOW_SIMPLE	0	skb->dev->group
NO_OVERFLOW_SIMPLE	0	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	0	skb->end
NO_OVERFLOW_SIMPLE	0	skb->extensions
NO_OVERFLOW_SIMPLE	0	skb->len
NO_OVERFLOW_SIMPLE	0	skb->prev->data_len
NO_OVERFLOW_SIMPLE	0	skb->prev->end
NO_OVERFLOW_SIMPLE	0	skb->prev->len
NO_OVERFLOW_SIMPLE	0	skb->prev->tail
NO_OVERFLOW_SIMPLE	0	skb->prev->truesize
NO_OVERFLOW_SIMPLE	0	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
UNITS	1	proto	unit_byte
HALF_LOCKED2		&mesh_iface->tx_global_lock
HALF_LOCKED2		&txq->_xmit_lock
HALF_LOCKED2		bh
HALF_LOCKED2		flags
HALF_LOCKED2		rcu_read