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Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

net/packet/af_packet.c packet_rcv() -> run_filter()

Type Parameter Key Value
PARAM_VALUE 0 filter 4096-ptr_max
PARAM_VALUE 0 filter->dev 4096-ptr_max
PARAM_VALUE 0 filter->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 filter->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 filter->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 filter->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 filter->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 filter->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 filter->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 filter->pkt_type 0-4,6-7
BUF_SIZE 0 filter (-1)-s32max
BUF_SIZE 0 filter (-1)-s32max
BUF_SIZE 1 skb 184,200,264-524544
BUF_SIZE 1 skb 184,200,264-524544
CAPPED_DATA 1 skb->__sk_common.skc_net.net 1
DATA_SOURCE 0 filter $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 filter->csum 0-192512[c]
HOST_DATA 0 filter->csum_offset 0-u16max
HOST_DATA 0 filter->data_len 0-u32max[c]
HOST_DATA 0 filter->len 0-u32max[c]
HOST_DATA 0 filter->prev->csum_offset 0-u16max
HOST_DATA 0 filter->prev->data_len 0-u32max[c]
HOST_DATA 0 filter->prev->len 1-u32max[c]
HOST_DATA 0 filter->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 filter->truesize 0-u32max
HOST_DATA 0 filter->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 filter->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *filter->data 0-255
HOST_DATA 2 res 0-u32max[c]
NO_OVERFLOW_SIMPLE 0 filter->data_len
NO_OVERFLOW_SIMPLE 0 filter->dev->group
NO_OVERFLOW_SIMPLE 0 filter->dev->num_tc
NO_OVERFLOW_SIMPLE 0 filter->dev->proto_down
NO_OVERFLOW_SIMPLE 0 filter->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 filter->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 filter->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 filter->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 filter->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 filter->end
NO_OVERFLOW_SIMPLE 0 filter->extensions
NO_OVERFLOW_SIMPLE 0 filter->len
NO_OVERFLOW_SIMPLE 0 filter->next->end
NO_OVERFLOW_SIMPLE 0 filter->next->len
NO_OVERFLOW_SIMPLE 0 filter->prev->data_len
NO_OVERFLOW_SIMPLE 0 filter->prev->end
NO_OVERFLOW_SIMPLE 0 filter->prev->len
NO_OVERFLOW_SIMPLE 0 filter->prev->tail
NO_OVERFLOW_SIMPLE 0 filter->prev->truesize
NO_OVERFLOW_SIMPLE 0 filter->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 filter->tail
NO_OVERFLOW_SIMPLE 0 filter->truesize
NO_OVERFLOW_SIMPLE 2 res
UNITS 0 filter unit_byte
UNITS 1 skb unit_byte
UNITS 2 res unit_byte
HALF_LOCKED2 rcu_read

net/packet/af_packet.c tpacket_rcv() -> run_filter()

Type Parameter Key Value
PARAM_VALUE 0 filter 4096-ptr_max
PARAM_VALUE 0 filter->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 filter->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 filter->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 filter->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 filter->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 filter->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 filter->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 filter->pkt_type 0-4,6-7
BUF_SIZE 0 filter (-1)-s32max
BUF_SIZE 0 filter (-1)-s32max
BUF_SIZE 1 skb 184,200,264-524544
BUF_SIZE 1 skb 184,200,264-524544
CAPPED_DATA 1 skb->__sk_common.skc_net.net 1
DATA_SOURCE 0 filter $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 filter->csum 0-192512[c]
HOST_DATA 0 filter->csum_offset 0-u16max
HOST_DATA 0 filter->data_len 0-u32max[c]
HOST_DATA 0 filter->len 0-u32max[c]
HOST_DATA 0 filter->prev->csum_offset 0-u16max
HOST_DATA 0 filter->prev->data_len 0-u32max[c]
HOST_DATA 0 filter->prev->len 1-u32max[c]
HOST_DATA 0 filter->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 filter->truesize 0-u32max
HOST_DATA 0 filter->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 filter->users.refs.counter s32min-0,2-s32max
HOST_DATA 0 *filter->data 0-255
HOST_DATA 2 res 0-u32max[c]
NO_OVERFLOW_SIMPLE 0 filter->data_len
NO_OVERFLOW_SIMPLE 0 filter->dev->group
NO_OVERFLOW_SIMPLE 0 filter->dev->num_tc
NO_OVERFLOW_SIMPLE 0 filter->dev->proto_down
NO_OVERFLOW_SIMPLE 0 filter->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 filter->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 filter->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 filter->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 filter->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 0 filter->end
NO_OVERFLOW_SIMPLE 0 filter->extensions
NO_OVERFLOW_SIMPLE 0 filter->len
NO_OVERFLOW_SIMPLE 0 filter->next->end
NO_OVERFLOW_SIMPLE 0 filter->next->len
NO_OVERFLOW_SIMPLE 0 filter->prev->data_len
NO_OVERFLOW_SIMPLE 0 filter->prev->end
NO_OVERFLOW_SIMPLE 0 filter->prev->len
NO_OVERFLOW_SIMPLE 0 filter->prev->tail
NO_OVERFLOW_SIMPLE 0 filter->prev->truesize
NO_OVERFLOW_SIMPLE 0 filter->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 0 filter->tail
NO_OVERFLOW_SIMPLE 0 filter->truesize
NO_OVERFLOW_SIMPLE 2 res
UNITS 0 filter unit_byte
UNITS 1 skb unit_byte
UNITS 2 res unit_byte
HALF_LOCKED2 rcu_read

drivers/net/tun.c check_filter() -> run_filter()

Type Parameter Key Value
PARAM_VALUE 0 filter 4096-ptr_max
PARAM_VALUE 0 filter->count 1-u32max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->dev->ethtool_ops->get_link_ext_state 0-9223372036854775807
PARAM_VALUE 1 skb->dev->ethtool_ops->get_mm_stats 0-9223372036854775807
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
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 0 filter $0
DATA_SOURCE 1 skb $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_len 0-2147483648[c]
HOST_DATA 1 skb->len 0-u32max[c]
HOST_DATA 1 skb->next->csum_offset 0-u16max
HOST_DATA 1 skb->next->data_len 0-u32max[c]
HOST_DATA 1 skb->next->len 1-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->truesize 0-u32max
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->prev->users.refs.counter s32min-0,2-s32max
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->extensions
NO_OVERFLOW_SIMPLE 1 skb->len
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
LOCK2 rcu_read
HALF_LOCKED2 &dev->tx_global_lock
HALF_LOCKED2 &txq->_xmit_lock
HALF_LOCKED2 bh
HALF_LOCKED2 flags