ip_tunnel_rcv identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/net/ip_tunnels.h, line 424 (as a prototype)

Defined in 1 files as a function:

net/ipv4/ip_tunnel.c, line 377 (as a function)

Referenced in 4 files:

Smatch caller information:

net/ipv6/sit.c sit_tunnel_rcv() -> ip_tunnel_rcv()

Type	Parameter	Key	Value
PARAM_VALUE	0	tunnel	4096-ptr_max
PARAM_VALUE	0	tunnel->dev	4096-ptr_max
PARAM_VALUE	0	tunnel->dev->flags	1-u32max
PARAM_VALUE	0	tunnel->parms.iph.protocol	0,4,137
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->_nfct	0
PARAM_VALUE	1	skb->_skb_refdst	0
PARAM_VALUE	1	skb->active_extensions	0
PARAM_VALUE	1	skb->cloned	0
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev	4096-ptr_max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->nd_net.net	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->gen->s.len	0-s32max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	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	1	skb->encapsulation	0
PARAM_VALUE	1	skb->extensions	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->ignore_df	0
PARAM_VALUE	1	skb->ip_summed	0
PARAM_VALUE	1	skb->ipvs_property	0
PARAM_VALUE	1	skb->mark	0
PARAM_VALUE	1	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->nf_trace	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->pkt_type	0
PARAM_VALUE	1	skb->pp_recycle	0
PARAM_VALUE	1	skb->queue_mapping	0
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->skb_iif	0
PARAM_VALUE	1	skb->skb_mstamp_ns	0
PARAM_VALUE	1	skb->sw_hash	0
PARAM_VALUE	1	skb->tstamp	0
PARAM_VALUE	1	skb->vlan_all	0
PARAM_VALUE	2	tpi	4197884529190825984,7792080077789523968
PARAM_VALUE	3	tun_dst	0
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	2	tpi	24
CAPPED_DATA	0	tunnel->parms.iph.protocol	1
CAPPED_DATA	1	skb->dev->nd_net.net	1
DATA_SOURCE	0	tunnel	r ipip6_tunnel_lookup
DATA_SOURCE	1	skb	$0
CONSTRAINT	1	skb	<=49
CONSTRAINT	1	skb->data_len	<=49
BIT_INFO	2	tpi	0x28010188ea02f000,0x7e63e7bfea8ef000
BIT_INFO	2	tpi	0x28010188ea02f000,0x7e63e7bfea8ef000
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->prev->csum_offset	0-u16max
HOST_DATA	1	skb->prev->data_len	0-u32max[c]
HOST_DATA	1	skb->prev->len	1-u32max[c]
HOST_DATA	1	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*skb->data	0-255
NO_OVERFLOW_SIMPLE	1	skb->data_len
NO_OVERFLOW_SIMPLE	1	skb->dev->group
NO_OVERFLOW_SIMPLE	1	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->end
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->len
NO_OVERFLOW_SIMPLE	1	skb->next->tail
NO_OVERFLOW_SIMPLE	1	skb->next->truesize
NO_OVERFLOW_SIMPLE	1	skb->prev->end
NO_OVERFLOW_SIMPLE	1	skb->prev->len
NO_OVERFLOW_SIMPLE	1	skb->prev->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	skb->tail
NO_OVERFLOW_SIMPLE	1	skb->truesize
HALF_LOCKED2		rcu_read

net/ipv4/ip_gre.c __ipgre_rcv() -> ip_tunnel_rcv()

Type	Parameter	Key	Value
PARAM_VALUE	0	tunnel	4096-ptr_max
PARAM_VALUE	0	tunnel->dev	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->_nfct	0
PARAM_VALUE	1	skb->_skb_refdst	0
PARAM_VALUE	1	skb->active_extensions	0
PARAM_VALUE	1	skb->cloned	0
PARAM_VALUE	1	skb->csum_complete_sw	1
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev	4096-ptr_max
PARAM_VALUE	1	skb->dev->ethtool_ops->create_rxfh_context	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->modify_rxfh_context	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->remove_rxfh_context	0-s64max
PARAM_VALUE	1	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	1	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->nd_net.net	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->gen	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->gen->s.len	0-s32max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	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	1	skb->encapsulation	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->ignore_df	0
PARAM_VALUE	1	skb->ip_summed	0
PARAM_VALUE	1	skb->ipvs_property	0
PARAM_VALUE	1	skb->mark	0
PARAM_VALUE	1	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->nf_trace	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->pkt_type	0
PARAM_VALUE	1	skb->pp_recycle	0
PARAM_VALUE	1	skb->queue_mapping	0
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->gen->s.len	0-s32max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->skb_iif	0
PARAM_VALUE	1	skb->skb_mstamp_ns	0
PARAM_VALUE	1	skb->sw_hash	0
PARAM_VALUE	1	skb->tstamp	0
PARAM_VALUE	1	skb->vlan_all	0
PARAM_VALUE	1	*skb->dev->name	0-255
PARAM_VALUE	2	tpi	9078679290260930560
PARAM_VALUE	2	tpi->hdr_len	4,8,12,16,20
PARAM_VALUE	2	tpi->proto	0-8938,8940-35005,35007-u16max
PARAM_VALUE	3	tun_dst	0,4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.__rcuref.refcnt.counter	0
PARAM_VALUE	3	tun_dst->dst.__use	0
PARAM_VALUE	3	tun_dst->dst.dev_tracker	0,4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.error	0
PARAM_VALUE	3	tun_dst->dst.expires	0
PARAM_VALUE	3	tun_dst->dst.flags	136
PARAM_VALUE	3	tun_dst->dst.header_len	0
PARAM_VALUE	3	tun_dst->dst.input	8553433669308997632
PARAM_VALUE	3	tun_dst->dst.lwtstate	0
PARAM_VALUE	3	tun_dst->dst.obsolete	0
PARAM_VALUE	3	tun_dst->dst.ops	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.ops->kmem_cachep	0
PARAM_VALUE	3	tun_dst->dst.output	1359104979572629504
PARAM_VALUE	3	tun_dst->dst.rt_uncached.next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.next->next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev->next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev->prev	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached_list	0
PARAM_VALUE	3	tun_dst->dst.tclassid	0
PARAM_VALUE	3	tun_dst->dst.trailer_len	0
PARAM_VALUE	3	tun_dst->dst.xfrm	0
PARAM_VALUE	3	tun_dst->type	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.label	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tp_dst	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tp_src	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tun_id	0,4294967296-18446744069414584320
PARAM_VALUE	3	tun_dst->u.tun_info.mode	0
PARAM_VALUE	3	tun_dst->u.tun_info.options_len	0
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	3	tun_dst	0,256-511
BUF_SIZE	3	tun_dst	0,256-511
CAPPED_DATA	1	skb	1
CAPPED_DATA	1	skb->dev->nd_net.net	1
DATA_SOURCE	1	skb	$0
DATA_SOURCE	2	tpi	$1
FUZZY_MAX	2	tpi->proto	25944
CONSTRAINT	1	skb	<=49
CONSTRAINT	1	skb->data_len	<=49
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->prev->csum_offset	0-u16max
HOST_DATA	1	skb->prev->data_len	0-u32max[c]
HOST_DATA	1	skb->prev->len	1-u32max[c]
HOST_DATA	1	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*skb->data	0-255
NO_OVERFLOW_SIMPLE	1	skb->data_len
NO_OVERFLOW_SIMPLE	1	skb->dev->group
NO_OVERFLOW_SIMPLE	1	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->end
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->data_len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->len
NO_OVERFLOW_SIMPLE	1	skb->next->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->end
NO_OVERFLOW_SIMPLE	1	skb->prev->len
NO_OVERFLOW_SIMPLE	1	skb->prev->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	skb->tail
NO_OVERFLOW_SIMPLE	1	skb->truesize
LOCK2		rcu_read

net/ipv4/ip_gre.c erspan_rcv() -> ip_tunnel_rcv()

Type	Parameter	Key	Value
PARAM_VALUE	0	tunnel	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->_nfct	0
PARAM_VALUE	1	skb->_skb_refdst	0
PARAM_VALUE	1	skb->active_extensions	0
PARAM_VALUE	1	skb->cloned	0
PARAM_VALUE	1	skb->csum_complete_sw	1
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev	4096-ptr_max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->nd_net.net	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->gen	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->gen->s.len	0-s32max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	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	1	skb->encapsulation	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->ignore_df	0
PARAM_VALUE	1	skb->ip_summed	0
PARAM_VALUE	1	skb->ipvs_property	0
PARAM_VALUE	1	skb->mark	0
PARAM_VALUE	1	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->nf_trace	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->pkt_type	0
PARAM_VALUE	1	skb->pp_recycle	0
PARAM_VALUE	1	skb->queue_mapping	0
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->skb_iif	0
PARAM_VALUE	1	skb->skb_mstamp_ns	0
PARAM_VALUE	1	skb->sw_hash	0
PARAM_VALUE	1	skb->tstamp	0
PARAM_VALUE	1	skb->vlan_all	0
PARAM_VALUE	1	*skb->dev->name	0-255
PARAM_VALUE	2	tpi	9078679290260930560
PARAM_VALUE	2	tpi->hdr_len	4,8,12,16,20
PARAM_VALUE	2	tpi->proto	8939,35006
PARAM_VALUE	3	tun_dst	0,4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.__rcuref.refcnt.counter	0
PARAM_VALUE	3	tun_dst->dst.__use	0
PARAM_VALUE	3	tun_dst->dst.dev_tracker	0,4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.error	0
PARAM_VALUE	3	tun_dst->dst.expires	0
PARAM_VALUE	3	tun_dst->dst.flags	136
PARAM_VALUE	3	tun_dst->dst.header_len	0
PARAM_VALUE	3	tun_dst->dst.input	8553433669308997632
PARAM_VALUE	3	tun_dst->dst.lwtstate	0
PARAM_VALUE	3	tun_dst->dst.obsolete	0
PARAM_VALUE	3	tun_dst->dst.ops	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.ops->kmem_cachep	0
PARAM_VALUE	3	tun_dst->dst.output	1359104979572629504
PARAM_VALUE	3	tun_dst->dst.rt_uncached.next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.next->next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev->next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev->prev	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached_list	0
PARAM_VALUE	3	tun_dst->dst.tclassid	0
PARAM_VALUE	3	tun_dst->dst.trailer_len	0
PARAM_VALUE	3	tun_dst->dst.xfrm	0
PARAM_VALUE	3	tun_dst->type	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.label	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tp_dst	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tp_src	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tun_flags	4096-ptr_max
PARAM_VALUE	3	tun_dst->u.tun_info.key.tun_id	0,4294967296-18446744069414584320
PARAM_VALUE	3	tun_dst->u.tun_info.mode	0
PARAM_VALUE	3	tun_dst->u.tun_info.options_len	12
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	3	tun_dst	0,256-511
BUF_SIZE	3	tun_dst	0,256-511
CAPPED_DATA	1	skb->dev->nd_net.net	1
DATA_SOURCE	1	skb	$0
DATA_SOURCE	2	tpi	$1
CONSTRAINT	1	skb	<=49
CONSTRAINT	1	skb->data_len	<=49
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->prev->csum_offset	0-u16max
HOST_DATA	1	skb->prev->data_len	0-u32max[c]
HOST_DATA	1	skb->prev->len	1-u32max[c]
HOST_DATA	1	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*skb->data	0-255
NO_OVERFLOW_SIMPLE	1	skb->data_len
NO_OVERFLOW_SIMPLE	1	skb->dev->group
NO_OVERFLOW_SIMPLE	1	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->end
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->len
NO_OVERFLOW_SIMPLE	1	skb->next->tail
NO_OVERFLOW_SIMPLE	1	skb->next->truesize
NO_OVERFLOW_SIMPLE	1	skb->prev->end
NO_OVERFLOW_SIMPLE	1	skb->prev->len
NO_OVERFLOW_SIMPLE	1	skb->prev->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	skb->tail
NO_OVERFLOW_SIMPLE	1	skb->truesize
LOCK2		rcu_read

net/ipv4/ipip.c ipip_tunnel_rcv() -> ip_tunnel_rcv()

Type	Parameter	Key	Value
PARAM_VALUE	0	tunnel	4096-ptr_max
PARAM_VALUE	0	tunnel->parms.iph.protocol	0,4,137
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->_nfct	0
PARAM_VALUE	1	skb->_skb_refdst	0
PARAM_VALUE	1	skb->active_extensions	0
PARAM_VALUE	1	skb->cloned	0
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->dev	4096-ptr_max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->dev->ip6_ptr->stats.proc_dir_entry	0,4806605944481423360
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->dev->nd_net.net	4096-ptr_max
PARAM_VALUE	1	skb->dev->nd_net.net->gen->s.len	0-s32max
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	1	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	1	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	1	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	1	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	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	1	skb->encapsulation	0
PARAM_VALUE	1	skb->extensions	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->ignore_df	0
PARAM_VALUE	1	skb->ip_summed	0
PARAM_VALUE	1	skb->ipvs_property	0
PARAM_VALUE	1	skb->mark	0
PARAM_VALUE	1	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->nf_trace	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->pkt_type	0
PARAM_VALUE	1	skb->pp_recycle	0
PARAM_VALUE	1	skb->queue_mapping	0
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	1	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	1	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	1	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	1	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	1	skb->skb_iif	0
PARAM_VALUE	1	skb->skb_mstamp_ns	0
PARAM_VALUE	1	skb->sw_hash	0
PARAM_VALUE	1	skb->tstamp	0
PARAM_VALUE	1	skb->vlan_all	0
PARAM_VALUE	2	tpi	1194811426018652160,6087098493203812352
PARAM_VALUE	3	tun_dst	0,4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.__rcuref.refcnt.counter	0
PARAM_VALUE	3	tun_dst->dst.__use	0
PARAM_VALUE	3	tun_dst->dst.dev_tracker	0,4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.error	0
PARAM_VALUE	3	tun_dst->dst.expires	0
PARAM_VALUE	3	tun_dst->dst.flags	136
PARAM_VALUE	3	tun_dst->dst.header_len	0
PARAM_VALUE	3	tun_dst->dst.input	8553433669308997632
PARAM_VALUE	3	tun_dst->dst.lwtstate	0
PARAM_VALUE	3	tun_dst->dst.obsolete	0
PARAM_VALUE	3	tun_dst->dst.ops	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.ops->kmem_cachep	0
PARAM_VALUE	3	tun_dst->dst.output	1359104979572629504
PARAM_VALUE	3	tun_dst->dst.rt_uncached.next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.next->next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev->next	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached.prev->prev	4096-ptr_max
PARAM_VALUE	3	tun_dst->dst.rt_uncached_list	0
PARAM_VALUE	3	tun_dst->dst.tclassid	0
PARAM_VALUE	3	tun_dst->dst.trailer_len	0
PARAM_VALUE	3	tun_dst->dst.xfrm	0
PARAM_VALUE	3	tun_dst->type	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.label	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tp_dst	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tp_src	0
PARAM_VALUE	3	tun_dst->u.tun_info.key.tun_id	0
PARAM_VALUE	3	tun_dst->u.tun_info.mode	0
PARAM_VALUE	3	tun_dst->u.tun_info.options_len	0
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	2	tpi	24
BUF_SIZE	3	tun_dst	0,256-511
BUF_SIZE	3	tun_dst	0,256-511
CAPPED_DATA	0	tunnel->parms.iph.protocol	1
CAPPED_DATA	1	skb->dev->nd_net.net	1
DATA_SOURCE	1	skb	$0
CONSTRAINT	1	skb	<=49
CONSTRAINT	1	skb->data_len	<=49
BIT_INFO	2	tpi	0x10109280082a1000,0x54fdf7fd7d7bf000
BIT_INFO	2	tpi	0x10109280082a1000,0x54fdf7fd7d7bf000
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->prev->csum_offset	0-u16max
HOST_DATA	1	skb->prev->data_len	0-u32max[c]
HOST_DATA	1	skb->prev->len	1-u32max[c]
HOST_DATA	1	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	1	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	1	*skb->data	0-255
NO_OVERFLOW_SIMPLE	1	skb->data_len
NO_OVERFLOW_SIMPLE	1	skb->dev->group
NO_OVERFLOW_SIMPLE	1	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	1	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	1	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	1	skb->end
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->len
NO_OVERFLOW_SIMPLE	1	skb->next->tail
NO_OVERFLOW_SIMPLE	1	skb->next->truesize
NO_OVERFLOW_SIMPLE	1	skb->prev->end
NO_OVERFLOW_SIMPLE	1	skb->prev->len
NO_OVERFLOW_SIMPLE	1	skb->prev->tail
NO_OVERFLOW_SIMPLE	1	skb->prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	1	skb->tail
NO_OVERFLOW_SIMPLE	1	skb->truesize
HALF_LOCKED2		rcu_read