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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

net/netfilter/nfnetlink_queue.c nf_hook_entry_hookfn() -> (struct nf_hook_entry)->hook()

Type Parameter Key Value
PARAM_VALUE 2 state 4096-ptr_max
PARAM_VALUE 2 state->pf 2,7,10
BUF_SIZE 0 priv s32min-(-2),1-s32max
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 state $2
CONTAINER 0 *(-0+8) $(-1)
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 1 skb->end
HALF_LOCKED2 &queue->lock
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

net/bridge/br_input.c nf_hook_entry_hookfn() -> (struct nf_hook_entry)->hook()

Type Parameter Key Value
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->cb 0
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 skb->dev->nd_net.net->nf.hooks_bridge 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->fill_addr_option 9149257602806276096
PARAM_VALUE 1 skb->dev->ndisc_ops->parse_options 4570881757937598464
PARAM_VALUE 1 skb->dev->ndisc_ops->update 8455145027589103616
PARAM_VALUE 1 skb->pkt_type 0-4,6-7
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev 4096-ptr_max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 1 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 1 skb->sk->sk_callback_lock.owner (-1)
PARAM_VALUE 1 skb->sk->sk_callback_lock.owner_cpu u32max
PARAM_VALUE 1 skb->sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 1 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 skb->sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 1 skb->sk->sk_rcu.func 1-u64max
PARAM_VALUE 1 skb->sk->sk_rcu.next 0
PARAM_VALUE 2 state 7798400090736705536
PARAM_VALUE 2 state->hook 0
PARAM_VALUE 2 state->in 4096-ptr_max
PARAM_VALUE 2 state->net 4096-ptr_max
PARAM_VALUE 2 state->okfn 8550237040268242944
PARAM_VALUE 2 state->out 0
PARAM_VALUE 2 state->pf 7
PARAM_VALUE 2 state->sk 0
BUF_SIZE 0 priv s32min-(-2),1-s32max
BUF_SIZE 1 skb (-1),240
BUF_SIZE 1 skb (-1),240
CAPPED_DATA 1 skb 1
CAPPED_DATA 1 skb->dev->nd_net.net 1
CAPPED_DATA 1 skb->dev->rx_handler_data 1
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 state $2
FUZZY_MAX 1 skb->pkt_type 0
CONTAINER 0 *(-0+8) $(-1)
MEM_ZERO 1 skb->cb
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 bh

net/netfilter/nf_nat_core.c nf_nat_inet_fn() -> (struct nf_hook_entry)->hook()

Type Parameter Key Value
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 1 skb->dev->ethtool_ops->supported_coalesce_params 0-4294967295
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 1 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 1 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 1 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 state 4096-ptr_max
BUF_SIZE 0 priv s32min-(-2),1-s32max
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 state $2
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb->csum 0-192512[c]
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_len 0-u32max[c]
HOST_DATA 1 skb->len 0-u32max[c]
HOST_DATA 1 skb->prev->csum_offset 0-u16max
HOST_DATA 1 skb->prev->data_len 0-u32max[c]
HOST_DATA 1 skb->prev->len 0-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->protocol 1-255
HOST_DATA 1 skb->truesize 0-u32max
HOST_DATA 1 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 skb->data_len
NO_OVERFLOW_SIMPLE 1 skb->dev->group
NO_OVERFLOW_SIMPLE 1 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb->end
NO_OVERFLOW_SIMPLE 1 skb->len
NO_OVERFLOW_SIMPLE 1 skb->next->end
NO_OVERFLOW_SIMPLE 1 skb->next->len
NO_OVERFLOW_SIMPLE 1 skb->prev->end
NO_OVERFLOW_SIMPLE 1 skb->prev->len
NO_OVERFLOW_SIMPLE 1 skb->prev->tail
NO_OVERFLOW_SIMPLE 1 skb->prev->truesize
NO_OVERFLOW_SIMPLE 1 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb->tail
NO_OVERFLOW_SIMPLE 1 skb->truesize
NO_OVERFLOW_SIMPLE 2 state->in->group
NO_OVERFLOW_SIMPLE 2 state->in->num_tc
NO_OVERFLOW_SIMPLE 2 state->in->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 state->in->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 state->in->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 state->in->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 state->in->tx_queue_len
NO_OVERFLOW_SIMPLE 2 state->out->group
NO_OVERFLOW_SIMPLE 2 state->out->num_tc
NO_OVERFLOW_SIMPLE 2 state->out->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 state->out->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 state->out->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 state->out->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 state->out->tx_queue_len
NO_OVERFLOW_SIMPLE 2 state->sk->sk_backlog.len
HALF_LOCKED2 rcu_read

net/netfilter/core.c nf_hook_entry_hookfn() -> (struct nf_hook_entry)->hook()

Type Parameter Key Value
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 1 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 1 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 1 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 skb->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE 2 state 4096-ptr_max
PARAM_VALUE 2 state->hook 0-4
PARAM_VALUE 2 state->okfn 0,4096-ptr_max
PARAM_VALUE 2 state->pf 2-3,5,7,10
BUF_SIZE 0 priv s32min-(-2),1-s32max
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 state $2
CONTAINER 0 *(-0+8) $(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb->csum 0-192512[c]
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_len 0-u32max[c]
HOST_DATA 1 skb->inner_protocol 1-255
HOST_DATA 1 skb->len 0-u32max[c]
HOST_DATA 1 skb->next->prev->csum_offset 0-u16max
HOST_DATA 1 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 1 skb->next->prev->len 1-u32max[c]
HOST_DATA 1 skb->next->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->prev->csum_offset 0-u16max
HOST_DATA 1 skb->prev->data_len 0-u32max[c]
HOST_DATA 1 skb->prev->len 0-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->protocol 1-255
HOST_DATA 1 skb->truesize 0-u32max
HOST_DATA 1 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 skb->data_len
NO_OVERFLOW_SIMPLE 1 skb->dev->group
NO_OVERFLOW_SIMPLE 1 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb->end
NO_OVERFLOW_SIMPLE 1 skb->len
NO_OVERFLOW_SIMPLE 1 skb->next->end
NO_OVERFLOW_SIMPLE 1 skb->next->len
NO_OVERFLOW_SIMPLE 1 skb->next->tail
NO_OVERFLOW_SIMPLE 1 skb->next->truesize
NO_OVERFLOW_SIMPLE 1 skb->prev->data_len
NO_OVERFLOW_SIMPLE 1 skb->prev->end
NO_OVERFLOW_SIMPLE 1 skb->prev->len
NO_OVERFLOW_SIMPLE 1 skb->prev->tail
NO_OVERFLOW_SIMPLE 1 skb->prev->truesize
NO_OVERFLOW_SIMPLE 1 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb->tail
NO_OVERFLOW_SIMPLE 1 skb->truesize
HALF_LOCKED2 rcu_read