Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 13 files:

Smatch caller information:

net/ipv6/esp6.c esp6_input() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
PARAM_VALUE 0 skb->cloned 1
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
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->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 tailbits 0
PARAM_VALUE 2 trailer 2003005023406510080
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb->dev s32min-(-1),1-s32max
CAPPED_DATA 0 skb->dev->nd_net.net 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967040[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->napi_id 0-u32max
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->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->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->len
NO_OVERFLOW_SIMPLE 0 skb->next->data_len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
NO_OVERFLOW_SIMPLE 0 skb->next->truesize
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
USER_PTR 2 (*trailer).data

net/ipv6/esp6.c esp6_output_head() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cloned 1
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 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 2 trailer 17378134398951424
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-192512[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-1[c]
HOST_DATA 0 skb->inner_protocol 1-255
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->protocol 1-255
HOST_DATA 0 skb->truesize 0-u32max
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->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->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 tailbits unit_byte
USER_PTR 2 (*trailer).data

drivers/net/macsec.c macsec_decrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->_sk_redir 0
PARAM_VALUE 0 skb->alloc_cpu 0
PARAM_VALUE 0 skb->csum 0
PARAM_VALUE 0 skb->csum_complete_sw 0
PARAM_VALUE 0 skb->csum_level 0
PARAM_VALUE 0 skb->csum_not_inet 0
PARAM_VALUE 0 skb->csum_offset 0
PARAM_VALUE 0 skb->csum_valid 0
PARAM_VALUE 0 skb->data->short_length 0-63
PARAM_VALUE 0 skb->data->unused 0
PARAM_VALUE 0 skb->decrypted 0
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev_scratch 0
PARAM_VALUE 0 skb->dst_pending_confirm 0
PARAM_VALUE 0 skb->encap_hdr_csum 0
PARAM_VALUE 0 skb->encapsulation 0
PARAM_VALUE 0 skb->fclone 0-1
PARAM_VALUE 0 skb->from_ingress 0
PARAM_VALUE 0 skb->hash 0
PARAM_VALUE 0 skb->headers.alloc_cpu 0
PARAM_VALUE 0 skb->headers.csum 0
PARAM_VALUE 0 skb->headers.csum_complete_sw 0
PARAM_VALUE 0 skb->headers.csum_level 0
PARAM_VALUE 0 skb->headers.csum_not_inet 0
PARAM_VALUE 0 skb->headers.csum_offset 0
PARAM_VALUE 0 skb->headers.csum_start 0
PARAM_VALUE 0 skb->headers.csum_valid 0
PARAM_VALUE 0 skb->headers.decrypted 0
PARAM_VALUE 0 skb->headers.dst_pending_confirm 0
PARAM_VALUE 0 skb->headers.encap_hdr_csum 0
PARAM_VALUE 0 skb->headers.encapsulation 0
PARAM_VALUE 0 skb->headers.from_ingress 0
PARAM_VALUE 0 skb->headers.hash 0
PARAM_VALUE 0 skb->headers.ignore_df 0
PARAM_VALUE 0 skb->headers.inner_ipproto 0
PARAM_VALUE 0 skb->headers.inner_mac_header 0
PARAM_VALUE 0 skb->headers.inner_network_header 0
PARAM_VALUE 0 skb->headers.inner_protocol 0
PARAM_VALUE 0 skb->headers.inner_protocol_type 0
PARAM_VALUE 0 skb->headers.inner_transport_header 0
PARAM_VALUE 0 skb->headers.ip_summed 0
PARAM_VALUE 0 skb->headers.ipvs_property 0
PARAM_VALUE 0 skb->headers.kcov_handle.val 0
PARAM_VALUE 0 skb->headers.l4_hash 0
PARAM_VALUE 0 skb->headers.mac_header 0
PARAM_VALUE 0 skb->headers.mark 0
PARAM_VALUE 0 skb->headers.napi_id 0
PARAM_VALUE 0 skb->headers.ndisc_nodetype 0
PARAM_VALUE 0 skb->headers.network_header 0
PARAM_VALUE 0 skb->headers.nf_skip_egress 0
PARAM_VALUE 0 skb->headers.nf_trace 0
PARAM_VALUE 0 skb->headers.no_fcs 0
PARAM_VALUE 0 skb->headers.offload_fwd_mark 0
PARAM_VALUE 0 skb->headers.offload_l3_fwd_mark 0
PARAM_VALUE 0 skb->headers.ooo_okay 0
PARAM_VALUE 0 skb->headers.pkt_type 0
PARAM_VALUE 0 skb->headers.priority 0
PARAM_VALUE 0 skb->headers.protocol 0
PARAM_VALUE 0 skb->headers.redirected 0
PARAM_VALUE 0 skb->headers.remcsum_offload 0
PARAM_VALUE 0 skb->headers.reserved_tailroom 0
PARAM_VALUE 0 skb->headers.secmark 0
PARAM_VALUE 0 skb->headers.sender_cpu 0
PARAM_VALUE 0 skb->headers.skb_iif 0
PARAM_VALUE 0 skb->headers.slow_gro 0
PARAM_VALUE 0 skb->headers.sw_hash 0
PARAM_VALUE 0 skb->headers.tc_at_ingress 0
PARAM_VALUE 0 skb->headers.tc_depth 0
PARAM_VALUE 0 skb->headers.tc_index 0
PARAM_VALUE 0 skb->headers.tc_skip_classify 0
PARAM_VALUE 0 skb->headers.transport_header 0
PARAM_VALUE 0 skb->headers.tstamp_type 0
PARAM_VALUE 0 skb->headers.unreadable 0
PARAM_VALUE 0 skb->headers.vlan_all 0
PARAM_VALUE 0 skb->headers.vlan_proto 0
PARAM_VALUE 0 skb->headers.vlan_tci 0
PARAM_VALUE 0 skb->headers.wifi_acked 0
PARAM_VALUE 0 skb->headers.wifi_acked_valid 0
PARAM_VALUE 0 skb->ignore_df 0
PARAM_VALUE 0 skb->inner_ipproto 0
PARAM_VALUE 0 skb->inner_protocol 0
PARAM_VALUE 0 skb->inner_protocol_type 0
PARAM_VALUE 0 skb->ip_summed 0
PARAM_VALUE 0 skb->ipvs_property 0
PARAM_VALUE 0 skb->kcov_handle.val 0
PARAM_VALUE 0 skb->l4_hash 0
PARAM_VALUE 0 skb->list.next 0
PARAM_VALUE 0 skb->list.prev 0
PARAM_VALUE 0 skb->ll_node.next 0
PARAM_VALUE 0 skb->mark 0
PARAM_VALUE 0 skb->napi_id 0
PARAM_VALUE 0 skb->ndisc_nodetype 0
PARAM_VALUE 0 skb->next 0
PARAM_VALUE 0 skb->nf_skip_egress 0
PARAM_VALUE 0 skb->nf_trace 0
PARAM_VALUE 0 skb->no_fcs 0
PARAM_VALUE 0 skb->offload_fwd_mark 0
PARAM_VALUE 0 skb->offload_l3_fwd_mark 0
PARAM_VALUE 0 skb->ooo_okay 0
PARAM_VALUE 0 skb->peeked 0
PARAM_VALUE 0 skb->pkt_type 0
PARAM_VALUE 0 skb->prev 0
PARAM_VALUE 0 skb->priority 0
PARAM_VALUE 0 skb->protocol 0
PARAM_VALUE 0 skb->rbnode.__rb_parent_color 0
PARAM_VALUE 0 skb->rbnode.rb_left 0
PARAM_VALUE 0 skb->rbnode.rb_right 0
PARAM_VALUE 0 skb->redirected 0
PARAM_VALUE 0 skb->remcsum_offload 0
PARAM_VALUE 0 skb->reserved_tailroom 0
PARAM_VALUE 0 skb->secmark 0
PARAM_VALUE 0 skb->sender_cpu 0
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_filter 0
PARAM_VALUE 0 skb->sk->sk_frag.page 0
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_rcu.func 1-u64max
PARAM_VALUE 0 skb->sk->sk_rcu.next 0
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 0 skb->skb_iif 0
PARAM_VALUE 0 skb->sw_hash 0
PARAM_VALUE 0 skb->tc_at_ingress 0
PARAM_VALUE 0 skb->tc_depth 0
PARAM_VALUE 0 skb->tc_index 0
PARAM_VALUE 0 skb->tc_skip_classify 0
PARAM_VALUE 0 skb->tcp_tsorted_anchor.next 0
PARAM_VALUE 0 skb->tcp_tsorted_anchor.prev 0
PARAM_VALUE 0 skb->tstamp_type 0
PARAM_VALUE 0 skb->vlan_all 0
PARAM_VALUE 0 skb->vlan_proto 0
PARAM_VALUE 0 skb->vlan_tci 0
PARAM_VALUE 0 skb->wifi_acked 0
PARAM_VALUE 0 skb->wifi_acked_valid 0
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 6948156310224912384
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb r skb_share_check
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 skb->end
USER_PTR 2 (*trailer).data
LOCK2 rcu_read
HALF_LOCKED2 bh

drivers/net/macsec.c macsec_encrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->_sk_redir 0
PARAM_VALUE 0 skb->alloc_cpu 0
PARAM_VALUE 0 skb->cloned 0
PARAM_VALUE 0 skb->csum 0
PARAM_VALUE 0 skb->csum_complete_sw 0
PARAM_VALUE 0 skb->csum_level 0
PARAM_VALUE 0 skb->csum_not_inet 0
PARAM_VALUE 0 skb->csum_offset 0
PARAM_VALUE 0 skb->csum_start 0
PARAM_VALUE 0 skb->csum_valid 0
PARAM_VALUE 0 skb->data_len 0
PARAM_VALUE 0 skb->decrypted 0
PARAM_VALUE 0 skb->destructor 0
PARAM_VALUE 0 skb->dev->ethtool_ops->get_link_ext_state 0-9223372036854775807
PARAM_VALUE 0 skb->dev->ethtool_ops->get_mm_stats 0-9223372036854775807
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 0 skb->dev_scratch 0
PARAM_VALUE 0 skb->dst_pending_confirm 0
PARAM_VALUE 0 skb->encap_hdr_csum 0
PARAM_VALUE 0 skb->encapsulation 0
PARAM_VALUE 0 skb->end 0
PARAM_VALUE 0 skb->extensions 4096-ptr_max
PARAM_VALUE 0 skb->fclone 0-1
PARAM_VALUE 0 skb->from_ingress 0
PARAM_VALUE 0 skb->hash 0
PARAM_VALUE 0 skb->hdr_len 0
PARAM_VALUE 0 skb->head 1-u64max
PARAM_VALUE 0 skb->head_frag 0
PARAM_VALUE 0 skb->headers.alloc_cpu 0
PARAM_VALUE 0 skb->headers.csum 0
PARAM_VALUE 0 skb->headers.csum_complete_sw 0
PARAM_VALUE 0 skb->headers.csum_level 0
PARAM_VALUE 0 skb->headers.csum_not_inet 0
PARAM_VALUE 0 skb->headers.csum_offset 0
PARAM_VALUE 0 skb->headers.csum_start 0
PARAM_VALUE 0 skb->headers.csum_valid 0
PARAM_VALUE 0 skb->headers.decrypted 0
PARAM_VALUE 0 skb->headers.dst_pending_confirm 0
PARAM_VALUE 0 skb->headers.encap_hdr_csum 0
PARAM_VALUE 0 skb->headers.encapsulation 0
PARAM_VALUE 0 skb->headers.from_ingress 0
PARAM_VALUE 0 skb->headers.hash 0
PARAM_VALUE 0 skb->headers.ignore_df 0
PARAM_VALUE 0 skb->headers.inner_ipproto 0
PARAM_VALUE 0 skb->headers.inner_mac_header 0
PARAM_VALUE 0 skb->headers.inner_network_header 0
PARAM_VALUE 0 skb->headers.inner_protocol 0
PARAM_VALUE 0 skb->headers.inner_protocol_type 0
PARAM_VALUE 0 skb->headers.inner_transport_header 0
PARAM_VALUE 0 skb->headers.ip_summed 0
PARAM_VALUE 0 skb->headers.ipvs_property 0
PARAM_VALUE 0 skb->headers.kcov_handle.val 0
PARAM_VALUE 0 skb->headers.l4_hash 0
PARAM_VALUE 0 skb->headers.mac_header 0
PARAM_VALUE 0 skb->headers.mark 0
PARAM_VALUE 0 skb->headers.napi_id 0
PARAM_VALUE 0 skb->headers.ndisc_nodetype 0
PARAM_VALUE 0 skb->headers.network_header 0
PARAM_VALUE 0 skb->headers.nf_skip_egress 0
PARAM_VALUE 0 skb->headers.nf_trace 0
PARAM_VALUE 0 skb->headers.no_fcs 0
PARAM_VALUE 0 skb->headers.offload_fwd_mark 0
PARAM_VALUE 0 skb->headers.offload_l3_fwd_mark 0
PARAM_VALUE 0 skb->headers.ooo_okay 0
PARAM_VALUE 0 skb->headers.pkt_type 0
PARAM_VALUE 0 skb->headers.priority 0
PARAM_VALUE 0 skb->headers.protocol 0
PARAM_VALUE 0 skb->headers.redirected 0
PARAM_VALUE 0 skb->headers.remcsum_offload 0
PARAM_VALUE 0 skb->headers.reserved_tailroom 0
PARAM_VALUE 0 skb->headers.secmark 0
PARAM_VALUE 0 skb->headers.sender_cpu 0
PARAM_VALUE 0 skb->headers.skb_iif 0
PARAM_VALUE 0 skb->headers.slow_gro 0
PARAM_VALUE 0 skb->headers.sw_hash 0
PARAM_VALUE 0 skb->headers.tc_at_ingress 0
PARAM_VALUE 0 skb->headers.tc_depth 0
PARAM_VALUE 0 skb->headers.tc_index 0
PARAM_VALUE 0 skb->headers.tc_skip_classify 0
PARAM_VALUE 0 skb->headers.transport_header 0
PARAM_VALUE 0 skb->headers.tstamp_type 0
PARAM_VALUE 0 skb->headers.unreadable 0
PARAM_VALUE 0 skb->headers.vlan_all 0
PARAM_VALUE 0 skb->headers.vlan_proto 0
PARAM_VALUE 0 skb->headers.vlan_tci 0
PARAM_VALUE 0 skb->headers.wifi_acked 0
PARAM_VALUE 0 skb->headers.wifi_acked_valid 0
PARAM_VALUE 0 skb->ignore_df 0
PARAM_VALUE 0 skb->inner_ipproto 0
PARAM_VALUE 0 skb->inner_mac_header 0
PARAM_VALUE 0 skb->inner_network_header 0
PARAM_VALUE 0 skb->inner_protocol 0
PARAM_VALUE 0 skb->inner_protocol_type 0
PARAM_VALUE 0 skb->inner_transport_header 0
PARAM_VALUE 0 skb->ip_summed 0
PARAM_VALUE 0 skb->ipvs_property 0
PARAM_VALUE 0 skb->kcov_handle.val 0
PARAM_VALUE 0 skb->l4_hash 0
PARAM_VALUE 0 skb->list.next 0
PARAM_VALUE 0 skb->list.prev 0
PARAM_VALUE 0 skb->ll_node.next 0
PARAM_VALUE 0 skb->mac_header u16max
PARAM_VALUE 0 skb->mac_len 0
PARAM_VALUE 0 skb->mark 0
PARAM_VALUE 0 skb->napi_id 0
PARAM_VALUE 0 skb->ndisc_nodetype 0
PARAM_VALUE 0 skb->network_header 0
PARAM_VALUE 0 skb->next 0
PARAM_VALUE 0 skb->nf_skip_egress 0
PARAM_VALUE 0 skb->nf_trace 0
PARAM_VALUE 0 skb->no_fcs 0
PARAM_VALUE 0 skb->nohdr 0
PARAM_VALUE 0 skb->offload_fwd_mark 0
PARAM_VALUE 0 skb->offload_l3_fwd_mark 0
PARAM_VALUE 0 skb->ooo_okay 0
PARAM_VALUE 0 skb->peeked 0
PARAM_VALUE 0 skb->pkt_type 0
PARAM_VALUE 0 skb->pp_recycle 0
PARAM_VALUE 0 skb->prev 0
PARAM_VALUE 0 skb->priority 0
PARAM_VALUE 0 skb->protocol 0
PARAM_VALUE 0 skb->rbnode.__rb_parent_color 0
PARAM_VALUE 0 skb->rbnode.rb_left 0
PARAM_VALUE 0 skb->rbnode.rb_right 0
PARAM_VALUE 0 skb->redirected 0
PARAM_VALUE 0 skb->remcsum_offload 0
PARAM_VALUE 0 skb->reserved_tailroom 0
PARAM_VALUE 0 skb->secmark 0
PARAM_VALUE 0 skb->sender_cpu 0
PARAM_VALUE 0 skb->sk 0
PARAM_VALUE 0 skb->skb_iif 0
PARAM_VALUE 0 skb->sw_hash 0
PARAM_VALUE 0 skb->tc_at_ingress 0
PARAM_VALUE 0 skb->tc_depth 0
PARAM_VALUE 0 skb->tc_index 0
PARAM_VALUE 0 skb->tc_skip_classify 0
PARAM_VALUE 0 skb->tcp_tsorted_anchor.next 0
PARAM_VALUE 0 skb->tcp_tsorted_anchor.prev 0
PARAM_VALUE 0 skb->transport_header u16max
PARAM_VALUE 0 skb->truesize 0
PARAM_VALUE 0 skb->tstamp_type 0
PARAM_VALUE 0 skb->unreadable 0
PARAM_VALUE 0 skb->users.refs.counter 1
PARAM_VALUE 0 skb->vlan_all 0
PARAM_VALUE 0 skb->vlan_proto 0
PARAM_VALUE 0 skb->vlan_tci 0
PARAM_VALUE 0 skb->wifi_acked 0
PARAM_VALUE 0 skb->wifi_acked_valid 0
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 3913725550183206912
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb->head 1
DATA_SOURCE 0 skb $0 [m]
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0
HOST_DATA 0 skb->data_len 0[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->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->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
USER_PTR 2 (*trailer).data
HALF_LOCKED2 &dev->tx_global_lock
HALF_LOCKED2 &txq->_xmit_lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags
HALF_LOCKED2 rcu_read

drivers/net/wireguard/send.c encrypt_packet() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->hash 1-u32max
PARAM_VALUE 0 skb->ip_summed 0-2
PARAM_VALUE 0 skb->l4_hash 0
PARAM_VALUE 0 skb->sw_hash 1
PARAM_VALUE 2 trailer 1578993657206718464
BUF_SIZE 0 skb (-1),1-s32max
BUF_SIZE 0 skb (-1),1-s32max
DATA_SOURCE 0 skb $0
UNITS 0 skb unit_byte
USER_PTR 2 (*trailer).data

net/ipv4/esp4.c esp_input() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
PARAM_VALUE 0 skb->cloned 1
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
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->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 tailbits 0
PARAM_VALUE 2 trailer 7025732680117833728
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb->dev s32min-(-1),1-s32max
CAPPED_DATA 0 skb->dev->nd_net.net 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967040[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->napi_id 0-u32max
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->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->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->len
NO_OVERFLOW_SIMPLE 0 skb->next->data_len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
NO_OVERFLOW_SIMPLE 0 skb->next->truesize
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
USER_PTR 2 (*trailer).data

net/ipv4/esp4.c esp_output_head() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cloned 1
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 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 2 trailer 3512727105848131584
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-192512[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-1[c]
HOST_DATA 0 skb->inner_protocol 1-255
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->protocol 1-255
HOST_DATA 0 skb->truesize 0-u32max
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->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->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 tailbits unit_byte
USER_PTR 2 (*trailer).data

drivers/net/wireguard/receive.c decrypt_packet() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 7358922896552660992
BUF_SIZE 0 skb 1-s32max
BUF_SIZE 0 skb 1-s32max
CAPPED_DATA 0 skb->head 1
DATA_SOURCE 0 skb $0
USER_PTR 2 (*trailer).data

net/xfrm/xfrm_ipcomp.c ipcomp_setup_req() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 0 skb->len 0-4096
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->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_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 2 trailer 381051771986903040
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb->dev s32min-(-1),1-s32max
DATA_SOURCE 0 skb $1
BIT_INFO 1 tailbits 0x0,0x7fffffff
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967040[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->inner_protocol 1-255
HOST_DATA 0 skb->len 0-4096[c]
HOST_DATA 0 skb->napi_id 0-u32max
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->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->protocol 1-255
HOST_DATA 0 skb->truesize 0-u32max
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
HOST_DATA 1 tailbits 0-5[c]
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->len
NO_OVERFLOW_SIMPLE 0 skb->next->data_len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
NO_OVERFLOW_SIMPLE 0 skb->next->truesize
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 tailbits unit_byte
USER_PTR 2 (*trailer).data

drivers/net/ovpn/crypto_aead.c ovpn_aead_decrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->_nfct 0
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
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_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->dev->name 0-255
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 3836904834902228992
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $2
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967040[c]
HOST_DATA 0 skb->csum_offset 0-u16max
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->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->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
NO_OVERFLOW_SIMPLE 0 skb->next->truesize
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 0 skb unit_byte
USER_PTR 2 (*trailer).data

drivers/net/ovpn/crypto_aead.c ovpn_aead_encrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cloned 0
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->hdr_len 0
PARAM_VALUE 0 skb->head 1-u64max
PARAM_VALUE 0 skb->head_frag 0
PARAM_VALUE 0 skb->nohdr 0
PARAM_VALUE 0 skb->pp_recycle 0
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 1 tailbits 0
PARAM_VALUE 2 trailer 6185066968758648832
BUF_SIZE 0 skb (-1),272
BUF_SIZE 0 skb (-1),272
DATA_SOURCE 0 skb $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 skb unit_byte
USER_PTR 2 (*trailer).data
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 bh

net/mac802154/llsec.c llsec_do_decrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
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->pkt_type 0-1,3
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 2993720099909500928
BUF_SIZE 0 skb (-1),240
BUF_SIZE 0 skb (-1),240
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->pkt_type 3
HARD_MAX 0 skb->pkt_type 3
RX_PATH
TASK_NOT_RUNNING
USER_PTR 2 (*trailer).data

net/mac802154/llsec.c mac802154_llsec_encrypt() -> skb_cow_data()

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->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 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->mac_len 3-37
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 6458850615607431168
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb->head 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
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
USER_PTR 2 (*trailer).data
HALF_LOCKED2 &dev->tx_global_lock
HALF_LOCKED2 &txq->_xmit_lock
HALF_LOCKED2 flags

drivers/net/wireless/ath/ath12k/dp_tx.c ath12k_dp_metadata_align_skb() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data_len 0
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_rcu.next 0
PARAM_VALUE 1 tailbits 32
PARAM_VALUE 2 trailer 6491385510294806528
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
DATA_SOURCE 1 tailbits $1
MEM_ZERO 0 skb->data
TASK_NOT_RUNNING
USER_PTR 2 (*trailer).data
HALF_LOCKED2 &local->handle_wake_tx_queue_lock
HALF_LOCKED2 rcu_read

net/tipc/crypto.c tipc_aead_decrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 0-255,4096-ptr_max
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 7715689357832732672
DATA_SOURCE 0 skb $2
RX_PATH
TASK_NOT_RUNNING
USER_PTR 2 (*trailer).data
LOCK2 rcu_read

net/tipc/crypto.c tipc_aead_encrypt() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data_len 0
PARAM_VALUE 2 trailer 2369763883505713152
CAPPED_DATA 1 tailbits 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 tailbits unit_byte
USER_PTR 2 (*trailer).data
HALF_LOCKED2 &__dnode->lock
HALF_LOCKED2 rcu_read

net/ipv4/ah4.c ah_input() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
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->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 0 skb->ip_summed 0
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 15011633532637184
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb->dev s32min-(-1),1-s32max
CAPPED_DATA 0 skb->dev->nd_net.net 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967040[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->napi_id 0-u32max
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->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->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->len
NO_OVERFLOW_SIMPLE 0 skb->next->data_len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
NO_OVERFLOW_SIMPLE 0 skb->next->truesize
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
USER_PTR 2 (*trailer).data

net/ipv4/ah4.c ah_output() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 tailbits 0
PARAM_VALUE 2 trailer 2044014611406655488
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-192512[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-1[c]
HOST_DATA 0 skb->inner_protocol 1-255
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->protocol 1-255
HOST_DATA 0 skb->truesize 0-u32max
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->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
USER_PTR 2 (*trailer).data

net/ipv6/ah6.c ah6_input() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
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->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 0 skb->ip_summed 0
PARAM_VALUE 1 tailbits 0
PARAM_VALUE 2 trailer 7209760458436608000
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb->dev s32min-(-1),1-s32max
CAPPED_DATA 0 skb->dev->nd_net.net 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967040[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->napi_id 0-u32max
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->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->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->len
NO_OVERFLOW_SIMPLE 0 skb->next->data_len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
NO_OVERFLOW_SIMPLE 0 skb->next->truesize
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
USER_PTR 2 (*trailer).data

net/ipv6/ah6.c ah6_output() -> skb_cow_data()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
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->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 skb->dev->ndisc_ops->update 4096-ptr_max
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 tailbits 0
PARAM_VALUE 2 trailer 6299494956826128384
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-192512[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-1[c]
HOST_DATA 0 skb->inner_protocol 1-255
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->protocol 1-255
HOST_DATA 0 skb->truesize 0-u32max
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->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
USER_PTR 2 (*trailer).data