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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

net/core/dev.c netif_receive_skb_internal() -> enqueue_to_backlog()

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->create_rxfh_context 0-9223372036854775807
PARAM_VALUE 0 skb->dev->ethtool_ops->get_link_ext_state 0-9223372036854775807
PARAM_VALUE 0 skb->dev->ethtool_ops->get_mm_stats 0-9223372036854775807
PARAM_VALUE 0 skb->dev->ethtool_ops->modify_rxfh_context 0-9223372036854775807
PARAM_VALUE 0 skb->dev->ethtool_ops->remove_rxfh_context 0-9223372036854775807
PARAM_VALUE 0 skb->dev->ethtool_ops->rxfh_max_num_contexts 0,2,8,16,33
PARAM_VALUE 0 skb->dev->hwprov 0,4096-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->arfs->arfs_list_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->arfs->filter_count s32min-s32max
PARAM_VALUE 0 skb->dev->priv->arfs->mode 0-4
PARAM_VALUE 0 skb->dev->priv->filters_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->last_filter_id s32min-s32max
PARAM_VALUE 0 skb->dev->priv->ntp_fltr_count s32min-s32max
PARAM_VALUE 0 skb->dev->priv->ntp_fltr_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->rps_hash_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->sp_task.cpu s32min-s32max
PARAM_VALUE 0 skb->dev->priv->sp_task.timer.flags 0-4294967295
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->hash 1-u32max
PARAM_VALUE 0 skb->l4_hash 0
PARAM_VALUE 0 skb->sw_hash 1
PARAM_VALUE 0 *skb->cb 0-255
PARAM_VALUE 1 cpu 0-8192
PARAM_VALUE 2 qtail 4096-ptr_max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 1 cpu 1
DATA_SOURCE 0 skb $0
DATA_SOURCE 1 cpu r get_rps_cpu
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 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_napi_configs
NO_OVERFLOW_SIMPLE 0 skb->dev->num_rx_queues
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 0 skb->dev->num_tx_queues
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->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
LOCK2 rcu_read
HALF_LOCKED2 &cq->lock
HALF_LOCKED2 &tp->rx_lock
HALF_LOCKED2 bh

net/core/dev.c netif_receive_skb_list_internal() -> enqueue_to_backlog()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->hash 1-u32max
PARAM_VALUE 0 skb->l4_hash 0
PARAM_VALUE 0 skb->next 0
PARAM_VALUE 0 skb->sw_hash 1
PARAM_VALUE 1 cpu 0-8192
PARAM_VALUE 2 qtail 4096-ptr_max
CAPPED_DATA 0 &skb->list 1
CAPPED_DATA 1 cpu 1
DATA_SOURCE 1 cpu r get_rps_cpu
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 rcu_read
HALF_LOCKED2 bh

net/core/dev.c netif_rx_internal() -> enqueue_to_backlog()

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->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->arfs->arfs_list_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->arfs->filter_count s32min-s32max
PARAM_VALUE 0 skb->dev->priv->arfs->mode 0-4
PARAM_VALUE 0 skb->dev->priv->filters_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->last_filter_id s32min-s32max
PARAM_VALUE 0 skb->dev->priv->ntp_fltr_count s32min-s32max
PARAM_VALUE 0 skb->dev->priv->ntp_fltr_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->rps_hash_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 skb->dev->priv->sp_task.cpu s32min-s32max
PARAM_VALUE 0 skb->dev->priv->sp_task.timer.flags 0-4294967295
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->hash 1-u32max
PARAM_VALUE 0 skb->l4_hash 0
PARAM_VALUE 0 skb->sw_hash 1
PARAM_VALUE 1 cpu 0-8192
PARAM_VALUE 2 qtail 4096-ptr_max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
CAPPED_DATA 0 skb 1
CAPPED_DATA 1 cpu 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->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->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
LOCK2 rcu_read

net/core/dev.c netif_rx_internal() -> enqueue_to_backlog()

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 cpu 0
PARAM_VALUE 2 qtail 551475548374704128
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->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->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