Documented in 1 files:

Defined in 1 files as a function:

Referenced in 21 files:

Smatch caller information:

net/6lowpan/iphc.c lowpan_header_decompress() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 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->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->pkt_type 0-1
PARAM_VALUE 1 headroom 40
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->pkt_type 1
HARD_MAX 0 skb->pkt_type 1
RX_PATH
TASK_NOT_RUNNING
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->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->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
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
UNITS 1 headroom unit_byte
HALF_LOCKED2 &conn->lock

net/batman-adv/fragmentation.c batadv_frag_skb_fwd() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->ttl 2-255
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->dev->ip6_ptr->dead s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_gq_running 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_maxdelay 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qri 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qrv 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->ra_mtu 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->data->ttl 2
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

drivers/net/wan/lapbether.c lapbeth_data_indication() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 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->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 0 skb->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->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_rcu.next 0
PARAM_VALUE 0 skb->sk->sk_reuseport_cb 0
PARAM_VALUE 0 skb->sk->sk_user_data 0
PARAM_VALUE 1 headroom 1
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
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->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->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
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->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
LOCK2 &lapb->lock
LOCK2 bh
HALF_LOCKED2 &lapbeth->up_lock
HALF_LOCKED2 &x25st->up_lock
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct lapb_cb)->lock

drivers/net/wan/hdlc_x25.c x25_data_indication() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 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->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->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->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_rcu.next 0
PARAM_VALUE 0 skb->sk->sk_reuseport_cb 0
PARAM_VALUE 0 skb->sk->sk_user_data 0
PARAM_VALUE 1 headroom 1
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
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->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->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
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->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
LOCK2 &lapb->lock
LOCK2 bh
HALF_LOCKED2 &lapbeth->up_lock
HALF_LOCKED2 &x25st->up_lock
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct lapb_cb)->lock

net/ipv4/ip_forward.c ip_forward() -> skb_cow()

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->nd_net.net 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->nd_net.net->mib.ip_statistics 4096-ptr_max
PARAM_VALUE 0 skb->dev->nd_net.net->mib.ip_statistics->mibs 4096-ptr_max
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->extensions 0
PARAM_VALUE 0 skb->ip_summed 0-1,3
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->pkt_type 0
PARAM_VALUE 0 skb->sk 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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 0 skb->dev->nd_net.net 1
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967041[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->next->prev->csum_offset 0-u16max
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->len 1-u32max[c]
HOST_DATA 0 skb->next->prev->tstamp 500000002-4294967299794967295[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->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->protocol 1-255
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
UNITS 0 skb unit_byte
UNITS 1 headroom unit_byte
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

net/mpls/af_mpls.c mpls_forward() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->_skb_refdst 0
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data_len 0-1
PARAM_VALUE 0 skb->destructor 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->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 0-1,3
PARAM_VALUE 0 skb->pkt_type 0
PARAM_VALUE 0 skb->sk 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb r skb_share_check
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->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->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
UNITS 1 headroom unit_byte
HALF_LOCKED2 rcu_read

net/mpls/af_mpls.c mpls_getroute() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->protocol 34887
PARAM_VALUE 1 headroom 1-1020
BUF_SIZE 0 skb 3776
BUF_SIZE 0 skb 3776
DATA_SOURCE 0 skb r alloc_skb
RX_PATH
TASK_NOT_RUNNING
LOCK2 &net->mpls.platform_mutex
HALF_LOCKED2 &net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2 global &audit_cmd_mutex.lock
HALF_LOCKED2 global &cb_lock
HALF_LOCKED2 global &crypto_cfg_mutex
HALF_LOCKED2 global &hwsim_phys_lock
HALF_LOCKED2 global &rtnl_mutex
HALF_LOCKED2 global &rx_queue_mutex
TYPE_LOCK (struct netns_mpls)->platform_mutex

net/core/skbuff.c skb_reorder_vlan_header() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->create_rxfh_context 0,1193890977307893760,3411743749688197120,4061224044846587904,4457498795121053696,4492625381564977152,6869898235061968896
PARAM_VALUE 0 skb->dev->ethtool_ops->get_link_ext_state 0,1281650680815353856,1471363006793740288,2066653251895574528,8975973974715154432,9149564991109386240
PARAM_VALUE 0 skb->dev->ethtool_ops->get_mm_stats 0,181867277093580800,5657799486394183680,5747745173089693696,8861185814274375680
PARAM_VALUE 0 skb->dev->ethtool_ops->modify_rxfh_context 0,2274879766485979136,2866542652935299072,4642694651803070464,5251344010917244928,5947095161631043584,7301979924060471296
PARAM_VALUE 0 skb->dev->ethtool_ops->remove_rxfh_context 0,106227240452722688,513622018430513152,1648226983112282112,1705969192382881792,5541829826254528512,7874787804778274816
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0,2,8,16,33
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 0-3,17,19,34-35,48,51,63,204,236,273,511,513,529,547,561,563,595,597,1553,1587,1681,132625,135697,657041,677393,2029107,2097665,2300433,2300595,3653155,12583935,12584499,13239859,117440512,536872499,s32max
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 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_filter 0
PARAM_VALUE 0 skb->sk->sk_filter->rcu.func 1-u64max
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_reuseport_cb->rcu.func 1-u64max
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 0 skb->vlan_all 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb->data_len 1
DATA_SOURCE 0 skb $0
CONSTRAINT 0 skb <=49
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->next->csum_offset 0-u16max
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->len 1-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->truesize 0-u32max
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->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->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->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
HALF_LOCKED2 rcu_read

net/core/filter.c ____sk_skb_adjust_room() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 1 headroom 0-s32max
DATA_SOURCE 0 skb $0
DATA_SOURCE 1 headroom $1

net/core/filter.c __bpf_skb_change_head() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 1 headroom 0-2147483902
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb $0
NO_OVERFLOW_SIMPLE 0 skb->len
UNITS 1 headroom unit_byte

net/core/filter.c bpf_skb_proto_4_to_6() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->protocol 2048
PARAM_VALUE 1 headroom 20-275
DATA_SOURCE 0 skb $0
UNITS 1 headroom unit_byte

net/ipv4/cipso_ipv4.c cipso_v4_skbuff_delattr() -> skb_cow()

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->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->__sk_common.skc_state 0-11,13-255
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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
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
LOCK2 rcu_read

net/ipv4/cipso_ipv4.c cipso_v4_skbuff_setattr() -> skb_cow()

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->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->__sk_common.skc_state 0-11,13-255
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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
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
LOCK2 rcu_read

net/netfilter/ipvs/ip_vs_xmit.c ip_vs_icmp_xmit() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 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 0-4294967295
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->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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $0
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->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 0-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->protocol 1-255
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->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 headroom unit_byte

net/netfilter/ipvs/ip_vs_xmit.c ip_vs_icmp_xmit_v6() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 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 0-4294967295
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->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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
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->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 0-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->protocol 1-255
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->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 headroom unit_byte

net/netfilter/ipvs/ip_vs_xmit.c ip_vs_nat_xmit() -> skb_cow()

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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $0
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->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->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->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->next->tail
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 headroom unit_byte

net/netfilter/ipvs/ip_vs_xmit.c ip_vs_nat_xmit_v6() -> skb_cow()

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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $0
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->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->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->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->next->tail
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 headroom unit_byte

drivers/net/wireless/mediatek/mt7601u/tx.c mt7601u_skb_rooms() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 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->queue_mapping 2
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 headroom 24,26
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb $1
FUZZY_MAX 1 headroom 24
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-2147483648[c]
HOST_DATA 0 skb->len 14-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->dev->group
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->tail
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->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 headroom unit_byte
HALF_LOCKED2 &local->handle_wake_tx_queue_lock
HALF_LOCKED2 rcu_read

net/ipv4/ip_tunnel_core.c iptunnel_pmtud_build_icmp() -> skb_cow()

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 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,9688-u64max
PARAM_VALUE 0 skb->hash 1-u32max
PARAM_VALUE 0 skb->l4_hash 0
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->protocol 2048
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->sw_hash 1
PARAM_VALUE 1 headroom 42
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 1-u32max[c]
HOST_DATA 0 skb->next->csum_offset 0-u16max
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->len 1-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->truesize 0-u32max
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->prev->data_len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 headroom unit_byte
LOCK2 rcu_read
HALF_LOCKED2 bh
HALF_LOCKED2 flags

net/ipv4/ip_tunnel_core.c iptunnel_pmtud_build_icmpv6() -> skb_cow()

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 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,9688-u64max
PARAM_VALUE 0 skb->hash 1-u32max
PARAM_VALUE 0 skb->l4_hash 0
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->protocol 34525
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->sw_hash 1
PARAM_VALUE 1 headroom 62
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 1-u32max[c]
HOST_DATA 0 skb->next->csum_offset 0-u16max
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->len 1-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 0-u32max[c]
HOST_DATA 0 skb->prev->truesize 0-u32max
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->prev->data_len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 headroom unit_byte
LOCK2 rcu_read
HALF_LOCKED2 bh
HALF_LOCKED2 flags

net/sched/act_pedit.c tcf_pedit_act() -> skb_cow()

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 0-4294967295
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->gen->s.len 0-s32max
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->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->sk->__sk_common.skc_net.net->gen->s.len 0-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 1 headroom 1-s32max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
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->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->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
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
HALF_LOCKED2 rcu_read

net/ipv6/ip6mr.c ip6mr_prepare_xmit() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->_skb_refdst 4096-18446744073709547520
PARAM_VALUE 0 skb->dev 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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $2
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-u32max[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 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
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->next->tail
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
UNITS 1 headroom unit_byte
HALF_LOCKED2 &net->ipv6.mfc_mutex
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_check_management_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->dev->ip6_ptr->dead s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_gq_running 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_maxdelay 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qri 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qrv 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->ra_mtu 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 headroom 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_check_unicast_ttvn() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->dev->ip6_ptr->dead s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_gq_running 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_maxdelay 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qri 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qrv 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->ra_mtu 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 headroom 10
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $1
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 headroom unit_byte
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_bcast_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
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 14
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 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.next 0
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_icmp_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->data_len 0-1
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->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->hdr_len 0
PARAM_VALUE 0 skb->head_frag 0
PARAM_VALUE 0 skb->len 116-u32max
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->nohdr 0
PARAM_VALUE 0 skb->pp_recycle 0
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 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.next 0
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->len 116
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0[c]
HOST_DATA 0 skb->len 116-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_icmp_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->ttl 2-255
PARAM_VALUE 0 skb->data->version 15
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 14
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 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.next 0
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->data->ttl 2
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_icmp_ttl_exceeded() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->ttl 0-1
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->dev->ip6_ptr->dead s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_gq_running 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_maxdelay 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qri 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qrv 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->ra_mtu 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $1
FUZZY_MAX 0 skb->data->ttl 1
HARD_MAX 0 skb->data->ttl 1
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_mcast_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
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 14
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 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.next 0
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_my_icmp_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->dev->ip6_ptr->dead s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_gq_running 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_maxdelay 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qri 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qrv 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->ra_mtu 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $1
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_recv_unicast_tvlv() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data->version 15
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 14
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 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.next 0
PARAM_VALUE 0 skb->sk->sk_security 0
PARAM_VALUE 1 headroom 20
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
UNITS 1 headroom unit_byte
HALF_LOCKED2 rcu_read

net/batman-adv/routing.c batadv_route_unicast_packet() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data 4096-ptr_max
PARAM_VALUE 0 skb->data->ttl 2-255
PARAM_VALUE 0 skb->data->version 15
PARAM_VALUE 0 skb->dev->ip6_ptr->dead s32min-s32max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_gq_running 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_maxdelay 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qri 0-s64max
PARAM_VALUE 0 skb->dev->ip6_ptr->mc_qrv 0-255
PARAM_VALUE 0 skb->dev->ip6_ptr->ra_mtu 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->mac_len 14
PARAM_VALUE 0 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 0 skb->sk->sk_callback_lock.owner_cpu 4294967295
PARAM_VALUE 0 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 0 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 0 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 headroom 14
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->data->ttl 2
MEM_ZERO 0 skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->prev->tail
NO_OVERFLOW_SIMPLE 0 skb->prev->truesize
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 rcu_read

drivers/net/wireless/mediatek/mt7601u/util.c mt76_insert_hdr_pad() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 4096-ptr_max
PARAM_VALUE 0 skb->cloned 0
PARAM_VALUE 0 skb->data 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->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->queue_mapping 2
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 headroom 2
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb $0
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-2147483648[c]
HOST_DATA 0 skb->len 14-u32max[c]
HOST_DATA 0 skb->prev->csum_offset 0-u16max
HOST_DATA 0 skb->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->prev->len 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->dev->group
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->tail
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->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
HALF_LOCKED2 &local->handle_wake_tx_queue_lock
HALF_LOCKED2 rcu_read

net/ipv6/calipso.c calipso_skbuff_delattr() -> skb_cow()

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 0,2,8,16,33
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 0 skb->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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
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->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
HALF_LOCKED2 rcu_read

net/ipv6/calipso.c calipso_skbuff_setattr() -> skb_cow()

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 0,2,8,16,33
PARAM_VALUE 0 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 0 skb->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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-126976[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-u32max[c]
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->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
HALF_LOCKED2 rcu_read

net/ipv4/ip_input.c ip_rcv_options() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->data->h_proto 2048,34525
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->ip_ptr->mc_list->crcount 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->gsquery 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->loaded 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->multiaddr 0-4294967295
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->reporter 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->sfmode 0-4294967295
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->timer.flags 0-4294967295
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->tm_running 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->unsolicit_count 0-255
PARAM_VALUE 0 skb->dev->ip_ptr->mc_list->users s32min-s32max
PARAM_VALUE 0 skb->dev->l3mdev_ops 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->priv_flags 262144-u32max
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->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->data->h_dest 0-255
PARAM_VALUE 0 *skb->data->h_source 0-255
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
PREEMPT_ADD
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-u32max[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->next->prev->csum_offset 0-u16max
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->len 1-u32max[c]
HOST_DATA 0 skb->next->prev->tstamp 500000002-4294967299794967295[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->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->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->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 0 skb unit_byte
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

net/ipv6/ip6_output.c ip6_forward() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->cb 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 0 skb->ip_summed 0-1,3
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->pkt_type 0
PARAM_VALUE 0 skb->sk 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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->csum 0-4294967041[c]
HOST_DATA 0 skb->csum_offset 0-u16max
HOST_DATA 0 skb->data_len 0-1[c]
HOST_DATA 0 skb->len 0-u32max[c]
HOST_DATA 0 skb->next->prev->csum_offset 0-u16max
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->len 1-u32max[c]
HOST_DATA 0 skb->next->prev->tstamp 500000002-4294967299794967295[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->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->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
UNITS 0 skb unit_byte
UNITS 1 headroom unit_byte
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

net/6lowpan/nhc_udp.c udp_uncompress() -> skb_cow()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0,2,8,16,33
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->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
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->pkt_type 0-1
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 0 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 0 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 0 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 skb->sk->sk_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
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
DATA_SOURCE 1 headroom $1
FUZZY_MAX 0 skb->pkt_type 1
HARD_MAX 0 skb->pkt_type 1
RX_PATH
TASK_NOT_RUNNING
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->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->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->prev->end
NO_OVERFLOW_SIMPLE 0 skb->prev->len
NO_OVERFLOW_SIMPLE 0 skb->tail
NO_OVERFLOW_SIMPLE 0 skb->truesize
LOCK2 bh
LOCK2 global &lowpan_nhc_lock
HALF_LOCKED2 &conn->lock

net/ipv4/ipmr.c ipmr_prepare_xmit() -> skb_cow()

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 headroom 16-196627
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $2
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-u32max[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 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
NO_OVERFLOW_SIMPLE 0 skb->data_len
NO_OVERFLOW_SIMPLE 0 skb->dev->group
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 skb->end
NO_OVERFLOW_SIMPLE 0 skb->extensions
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->next->end
NO_OVERFLOW_SIMPLE 0 skb->next->len
NO_OVERFLOW_SIMPLE 0 skb->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 0 skb unit_byte
UNITS 1 headroom unit_byte
HALF_LOCKED2 &net->ipv4.mfc_mutex
HALF_LOCKED2 rcu_read