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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

net/netfilter/nfnetlink_queue.c nfqnl_build_packet_message() -> skb_zerocopy()

Type Parameter Key Value
PARAM_VALUE 0 to 4096-ptr_max
PARAM_VALUE 0 to->data_len 0
PARAM_VALUE 1 from 4096-ptr_max
PARAM_VALUE 1 from->dev->header_ops->parse 0,836034408504639488,1549207736952049664,2557666104032284672,2873682388240314368,3226767679038275584,4717025337529622528,7964469038492160000
BUF_SIZE 0 to 0-s32max
BUF_SIZE 0 to 0-s32max
CAPPED_DATA 2 len 1
CAPPED_DATA 3 hlen 1
DATA_SOURCE 0 to r alloc_skb
PARAM_COMPARE 2 len >= $3
PARAM_COMPARE 3 hlen <= $2
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 3 hlen
UNITS 1 from unit_byte
UNITS 2 len unit_byte
UNITS 3 hlen unit_byte
HALF_LOCKED2 rcu_read

net/openvswitch/datapath.c queue_userspace_packet() -> skb_zerocopy()

Type Parameter Key Value
PARAM_VALUE 0 to 4096-ptr_max
PARAM_VALUE 0 to->data_len 0
PARAM_VALUE 1 from 4096-ptr_max
PARAM_VALUE 1 from->cb 4096-ptr_max
PARAM_VALUE 1 from->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 from->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 from->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 from->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 from->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 from->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 from->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 1 from->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 from->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 from->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 from->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 from->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 from->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 1 from->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 1 from->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 from->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 1 from->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 from->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 from->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 from->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 from->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 from->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 from->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 from->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 from->vlan_all 0
BUF_SIZE 0 to 0,4-s32max
BUF_SIZE 0 to 0,4-s32max
BUF_SIZE 1 from (-1)-s32max
BUF_SIZE 1 from (-1)-s32max
CAPPED_DATA 1 from->len 1
CAPPED_DATA 2 len 1
CAPPED_DATA 3 hlen 1
DATA_SOURCE 0 to r genlmsg_new
DATA_SOURCE 1 from $1 [m]
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 from->csum 0-4294967041[c]
HOST_DATA 1 from->csum_offset 0-u16max
HOST_DATA 1 from->data_len 0-u32max[c]
HOST_DATA 1 from->inner_protocol 1-255
HOST_DATA 1 from->len 0-u32max[c]
HOST_DATA 1 from->next->csum_offset 0-u16max
HOST_DATA 1 from->next->data_len 0-u32max[c]
HOST_DATA 1 from->next->len 1-u32max[c]
HOST_DATA 1 from->prev->csum_offset 0-u16max
HOST_DATA 1 from->prev->data_len 0-u32max[c]
HOST_DATA 1 from->prev->len 0-u32max[c]
HOST_DATA 1 from->prev->truesize 0-u32max
HOST_DATA 1 from->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 from->prev->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 from->protocol 1-255
HOST_DATA 1 from->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 from->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *from->data 0-255
HOST_DATA 2 len 0-s32max[c]
HOST_DATA 3 hlen 0-s32max[c]
NO_OVERFLOW_SIMPLE 1 from->data_len
NO_OVERFLOW_SIMPLE 1 from->dev->group
NO_OVERFLOW_SIMPLE 1 from->dev->num_tc
NO_OVERFLOW_SIMPLE 1 from->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 from->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 from->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 from->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 from->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 from->end
NO_OVERFLOW_SIMPLE 1 from->extensions
NO_OVERFLOW_SIMPLE 1 from->len
NO_OVERFLOW_SIMPLE 1 from->prev->data_len
NO_OVERFLOW_SIMPLE 1 from->prev->end
NO_OVERFLOW_SIMPLE 1 from->prev->len
NO_OVERFLOW_SIMPLE 1 from->prev->tail
NO_OVERFLOW_SIMPLE 1 from->prev->truesize
NO_OVERFLOW_SIMPLE 1 from->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 from->tail
NO_OVERFLOW_SIMPLE 1 from->truesize
NO_OVERFLOW_SIMPLE 2 len
NO_OVERFLOW_SIMPLE 3 hlen
UNITS 1 from unit_byte
UNITS 2 len unit_byte
UNITS 3 hlen unit_byte