Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 11 files:

Smatch caller information:

net/ipv4/netfilter/nf_reject_ipv4.c nf_send_reset() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net 4096-ptr_max
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->csum_offset 16
PARAM_VALUE 2 skb->data 4096-ptr_max
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->ip_summed 3
PARAM_VALUE 2 skb->protocol 2048
BUF_SIZE 2 skb 168
BUF_SIZE 2 skb 168
CAPPED_DATA 2 skb->len 1
DATA_SOURCE 0 net $0
DATA_SOURCE 2 skb r alloc_skb
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 sk unit_byte

drivers/net/amt.c amt_send_advertisement() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net->ipv4.fib_default->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 1 sk 4096-ptr_max
PARAM_VALUE 1 sk->__sk_common.skc_state 0-5,7-255
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->ip_summed 0
PARAM_VALUE 2 skb->priority 7
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 2 skb r netdev_alloc_skb_ip_align
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read

drivers/net/amt.c amt_send_discovery() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net->ipv4.fib_default->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 1 sk 4096-ptr_max
PARAM_VALUE 1 sk->__sk_common.skc_state 0-5,7-255
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->ip_summed 0
PARAM_VALUE 2 skb->priority 7
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 2 skb r netdev_alloc_skb_ip_align
LOCK2 rcu_read
HALF_LOCKED2 &pool->lock

drivers/net/amt.c amt_send_request() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net->ipv4.fib_default->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 1 sk 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->ip_summed 0
PARAM_VALUE 2 skb->priority 7
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 2 skb r netdev_alloc_skb_ip_align
LOCK2 rcu_read
HALF_LOCKED2 &pool->lock

drivers/net/ppp/pptp.c pptp_xmit() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_nfct 0
PARAM_VALUE 2 skb->_skb_refdst 4096-18446744073709547520
PARAM_VALUE 2 skb->cb 4096-ptr_max
PARAM_VALUE 2 skb->data->gre_hd.flags 12289,12417
PARAM_VALUE 2 skb->data->gre_hd.protocol 34827
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,3720,9688-u64max
PARAM_VALUE 2 skb->ip_summed 0
PARAM_VALUE 2 skb->users.refs.counter 1
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 2 skb $1 [m]
FUZZY_MAX 2 skb->data->gre_hd.flags 12289
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->next->csum_offset 0-u16max
HOST_DATA 2 skb->next->data_len 0-u32max[c]
HOST_DATA 2 skb->next->len 1-u32max[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 0-u32max[c]
HOST_DATA 2 skb->prev->truesize 0-u32max
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->extensions
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->next->end
NO_OVERFLOW_SIMPLE 2 skb->next->len
NO_OVERFLOW_SIMPLE 2 skb->next->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->data_len
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 0 net unit_byte
UNITS 1 sk unit_byte
HALF_LOCKED2 &pch->downl
HALF_LOCKED2 &pchb->downl
HALF_LOCKED2 &ppp->wlock
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct channel)->downl

net/netfilter/ipvs/ip_vs_xmit.c ip_vs_tunnel_xmit() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 1 sk->__sk_common.skc_refcnt.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 sk->ns_tracker->dead 0-1
PARAM_VALUE 1 sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 sk->sk_callback_lock.owner (-1)
PARAM_VALUE 1 sk->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 1 sk->sk_filter 0
PARAM_VALUE 1 sk->sk_filter->rcu.func 1-u64max
PARAM_VALUE 1 sk->sk_frag.page 0
PARAM_VALUE 1 sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 sk->sk_rcu.func 1-u64max
PARAM_VALUE 1 sk->sk_rcu.next 0
PARAM_VALUE 1 sk->sk_reuseport_cb->rcu.func 1-u64max
PARAM_VALUE 1 sk->sk_security 0
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_nfct 0
PARAM_VALUE 2 skb->cloned 0
PARAM_VALUE 2 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 2 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 2 skb->hdr_len 0
PARAM_VALUE 2 skb->head 1-u64max
PARAM_VALUE 2 skb->head_frag 0
PARAM_VALUE 2 skb->ignore_df 1
PARAM_VALUE 2 skb->inner_ipproto 4,41
PARAM_VALUE 2 skb->ip_summed 0-1,3
PARAM_VALUE 2 skb->ipvs_property 1
PARAM_VALUE 2 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 2 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->nohdr 0
PARAM_VALUE 2 skb->pp_recycle 0
PARAM_VALUE 2 skb->sk->__sk_common.skc_refcnt.refs.counter (-1073741824),0-s32max
PARAM_VALUE 2 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 2 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 2 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 2 skb->sk->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 2 skb->sk->sk_callback_lock.raw_lock.wlocked 0
PARAM_VALUE 2 skb->sk->sk_filter 0
PARAM_VALUE 2 skb->sk->sk_filter->rcu.func 1-u64max
PARAM_VALUE 2 skb->sk->sk_frag.page 0
PARAM_VALUE 2 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 2 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 2 skb->sk->sk_rcu.func 1-u64max
PARAM_VALUE 2 skb->sk->sk_rcu.next 0
PARAM_VALUE 2 skb->sk->sk_reuseport_cb->rcu.func 1-u64max
PARAM_VALUE 2 skb->sk->sk_security 0
PARAM_VALUE 2 skb->skb_mstamp_ns 0
PARAM_VALUE 2 skb->tstamp 0
PARAM_VALUE 2 skb->users.refs.counter 1
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 2 skb r ip_vs_prepare_tunneled_skb
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 2 skb->csum 0-126976[c]
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 1-u32max[c]
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->protocol 1-255
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->extensions
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->next->end
NO_OVERFLOW_SIMPLE 2 skb->next->len
NO_OVERFLOW_SIMPLE 2 skb->next->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 1 sk unit_byte

net/ipv4/ip_tunnel_core.c iptunnel_xmit() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_nfct 0
PARAM_VALUE 2 skb->_skb_refdst 4096-18446744073709547520
PARAM_VALUE 2 skb->active_extensions 0
PARAM_VALUE 2 skb->cb 4096-ptr_max
PARAM_VALUE 2 skb->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 2 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 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 2 skb->ignore_df 0
PARAM_VALUE 2 skb->ipvs_property 0
PARAM_VALUE 2 skb->nf_trace 0
PARAM_VALUE 2 skb->offload_fwd_mark 0
PARAM_VALUE 2 skb->offload_l3_fwd_mark 0
PARAM_VALUE 2 skb->pkt_type 0
PARAM_VALUE 2 skb->skb_iif 0
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 2 skb 1
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 1 sk $0
DATA_SOURCE 2 skb $2
MEM_ZERO 2 skb->cb
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 2 skb->csum 0-4294967040[c]
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->next->csum_offset 0-u16max
HOST_DATA 2 skb->next->data_len 0-u32max[c]
HOST_DATA 2 skb->next->len 1-u32max[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 0-u32max[c]
HOST_DATA 2 skb->prev->truesize 0-u32max
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->extensions
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->next->data_len
NO_OVERFLOW_SIMPLE 2 skb->next->end
NO_OVERFLOW_SIMPLE 2 skb->next->len
NO_OVERFLOW_SIMPLE 2 skb->next->tail
NO_OVERFLOW_SIMPLE 2 skb->next->truesize
NO_OVERFLOW_SIMPLE 2 skb->prev->data_len
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 0 net unit_byte
UNITS 1 sk unit_byte
UNITS 2 skb unit_byte
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

net/ipv4/igmp.c igmp_send_report() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net 4096-ptr_max
PARAM_VALUE 0 net->ipv4.fib_default->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->ipv6.rt6_stats->fib_rt_alloc.counter s32min-s32max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 0 net->user_ns 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->data 4096-ptr_max
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->priority 7
BUF_SIZE 2 skb 48-196639
BUF_SIZE 2 skb 48-196639
CAPPED_DATA 0 net->user_ns->uid_map.nr_extents 1
DATA_SOURCE 2 skb r alloc_skb
RX_PATH
TASK_NOT_RUNNING
UNITS 0 net unit_byte
UNITS 1 sk unit_byte

net/ipv4/igmp.c igmpv3_sendpack() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 2 skb 4096-ptr_max
DATA_SOURCE 2 skb $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sk unit_byte
HALF_LOCKED2 &pmc->lock
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

drivers/infiniband/sw/rxe/rxe_net.c rxe_send() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_nfct 0
PARAM_VALUE 2 skb->_skb_refdst 4096-18446744073709547520
PARAM_VALUE 2 skb->active_extensions 0
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->destructor 8141798687286517760
PARAM_VALUE 2 skb->dev 4096-ptr_max
PARAM_VALUE 2 skb->dev->nd_net.net->ipv6.ip6_null_entry->dst.dst_trace_seq.counter s32min-s32max
PARAM_VALUE 2 skb->hash 0
PARAM_VALUE 2 skb->ignore_df 0
PARAM_VALUE 2 skb->ipvs_property 0
PARAM_VALUE 2 skb->l4_hash 0
PARAM_VALUE 2 skb->nf_trace 0
PARAM_VALUE 2 skb->offload_fwd_mark 0
PARAM_VALUE 2 skb->offload_l3_fwd_mark 0
PARAM_VALUE 2 skb->pkt_type 0
PARAM_VALUE 2 skb->protocol 2048
PARAM_VALUE 2 skb->skb_iif 0
PARAM_VALUE 2 skb->sw_hash 0
PARAM_VALUE 2 *skb->cb 0-255
BUF_SIZE 2 skb 0-s32max
BUF_SIZE 2 skb 0-s32max
DATA_SOURCE 2 skb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sk unit_byte
HALF_LOCKED2 &pool->lock

net/netfilter/nf_synproxy_core.c synproxy_send_tcp() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net 4096-ptr_max
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 1 sk->__sk_common.skc_state 0-5,7-255
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->csum_offset 16
PARAM_VALUE 2 skb->data 4096-ptr_max
PARAM_VALUE 2 skb->data_len 0
PARAM_VALUE 2 skb->ip_summed 3
PARAM_VALUE 2 skb->protocol 2048
PARAM_VALUE 2 skb->sk->__sk_common.skc_state 0-5,7-255
BUF_SIZE 2 skb 360,364,368,372,376,380
BUF_SIZE 2 skb 360,364,368,372,376,380
DATA_SOURCE 0 net $0
DATA_SOURCE 2 skb $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 net unit_byte
UNITS 1 sk unit_byte

drivers/net/ipvlan/ipvlan_core.c ipvlan_process_v4_outbound() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net->ipv4.fib_default->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 1 sk 0
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_nfct 0
PARAM_VALUE 2 skb->_skb_refdst 4096-18446744073709547520
PARAM_VALUE 2 skb->active_extensions 0
PARAM_VALUE 2 skb->dev 4096-ptr_max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 2 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 2 skb->dev->nd_net.net->gen->s.len 0-s32max
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,9688-u64max
PARAM_VALUE 2 skb->ignore_df 0
PARAM_VALUE 2 skb->ipvs_property 0
PARAM_VALUE 2 skb->mark 0
PARAM_VALUE 2 skb->nf_trace 0
PARAM_VALUE 2 skb->offload_fwd_mark 0
PARAM_VALUE 2 skb->offload_l3_fwd_mark 0
PARAM_VALUE 2 skb->pkt_type 0
PARAM_VALUE 2 skb->protocol 2048
PARAM_VALUE 2 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 2 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 2 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->skb_iif 0
PARAM_VALUE 2 skb->skb_mstamp_ns 0
PARAM_VALUE 2 skb->tstamp 0
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
DATA_SOURCE 2 skb $0
MEM_ZERO 2 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->len 1-u32max[c]
HOST_DATA 2 skb->next->csum_offset 0-u16max
HOST_DATA 2 skb->next->data_len 0-u32max[c]
HOST_DATA 2 skb->next->len 1-u32max[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 0-u32max[c]
HOST_DATA 2 skb->prev->truesize 0-u32max
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->extensions
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->prev->data_len
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 0 net unit_byte
HALF_LOCKED2 &dev->tx_global_lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
HALF_LOCKED2 rcu_read

net/ipv4/netfilter/nf_dup_ipv4.c nf_dup_ipv4() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 0 net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 0 net->ipv6.rt6_stats->fib_rt_alloc.counter s32min-s32max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->next 4096-ptr_max
PARAM_VALUE 0 net->loopback_dev->refcnt_tracker.list.next->prev 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_nfct 7
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
PARAM_VALUE 2 skb->cloned 0
PARAM_VALUE 2 skb->data 4096-ptr_max
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 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 2 skb->hdr_len 0
PARAM_VALUE 2 skb->head 1-u64max
PARAM_VALUE 2 skb->head_frag 0
PARAM_VALUE 2 skb->nohdr 0
PARAM_VALUE 2 skb->pp_recycle 0
PARAM_VALUE 2 skb->protocol 2048
BUF_SIZE 2 skb 0-s32max
BUF_SIZE 2 skb 0-s32max
CAPPED_DATA 2 skb 1
DATA_SOURCE 0 net $0
DATA_SOURCE 2 skb r pskb_copy
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->len 0-u32max[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 0-u32max[c]
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->truesize 0-u32max[c]
HOST_DATA 2 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->extensions
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->next->end
NO_OVERFLOW_SIMPLE 2 skb->next->len
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 1 sk unit_byte
LOCK2 bh

net/ipv4/ip_output.c __ip_queue_xmit() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 1 sk 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,3720,9688-u64max
BUF_SIZE 1 sk->__sk_common.skc_prot (-1),448
BUF_SIZE 1 sk->sk_user_data (-1),368
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
CAPPED_DATA 1 sk 1
CAPPED_DATA 1 sk->__sk_common.skc_net.net 1
CAPPED_DATA 2 skb 1
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 1 sk $0
DATA_SOURCE 2 skb $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 sk->sk_receive_queue.prev->csum 0-126976[c]
HOST_DATA 1 sk->sk_receive_queue.prev->csum_offset 0-u16max
HOST_DATA 1 sk->sk_receive_queue.prev->data_len 0-u32max[c]
HOST_DATA 1 sk->sk_receive_queue.prev->next->csum 0-126976[c]
HOST_DATA 1 sk->sk_receive_queue.prev->next->csum_offset 0-u16max
HOST_DATA 1 sk->sk_receive_queue.prev->next->data_len 0-u32max[c]
HOST_DATA 1 sk->sk_receive_queue.prev->next->truesize 0-u32max
HOST_DATA 1 sk->sk_receive_queue.prev->truesize 0-u32max
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 0-u32max[c]
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.head->end
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.head->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.head->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->end
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_backlog.tail->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE 1 sk->sk_write_queue.prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->extensions
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->next->end
NO_OVERFLOW_SIMPLE 2 skb->next->len
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 0 net unit_byte
UNITS 1 sk unit_byte
LOCK2 rcu_read
HALF_LOCKED2 1 sk
HALF_LOCKED2 1 &sk->sk_lock.slock

net/ipv4/ip_output.c ip_build_and_send_pkt() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->_skb_refdst 0-18446744073709547520
BUF_SIZE 2 skb 49,320
BUF_SIZE 2 skb 49,320
CAPPED_DATA 2 skb->head 1
DATA_SOURCE 2 skb $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 net unit_byte
UNITS 1 sk unit_byte
HALF_LOCKED2 &net->xfrm.xfrm_state_lock
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

net/ipv4/ip_output.c ip_send_skb() -> ip_local_out()

Type Parameter Key Value
PARAM_VALUE 2 skb 4096-ptr_max
CAPPED_DATA 2 skb->data 1
DATA_SOURCE 0 net $0
DATA_SOURCE 2 skb $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 1 sk unit_byte
HALF_LOCKED2 sk