Defined in 2 files as a function:
- net/ipv4/netfilter/ip_tables.c, line 185 (as a function)
- net/ipv6/netfilter/ip6_tables.c, line 210 (as a function)
Referenced in 2 files:
Smatch caller information:
net/ipv4/netfilter/ip_tables.c ipt_do_table() -> trace_packet()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | skb | 4096-ptr_max |
| 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 | 1 | skb->nf_trace | 1 |
| PARAM_VALUE | 3 | in | 0,4096-ptr_max |
| PARAM_VALUE | 4 | out | 0,4096-ptr_max |
| PARAM_VALUE | 6 | private | 4096-ptr_max |
| PARAM_VALUE | 6 | private->hook_entry | 4096-ptr_max |
| PARAM_VALUE | 6 | private->jumpstack | 4096-ptr_max |
| PARAM_VALUE | 7 | e | 4096-ptr_max |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| BUF_SIZE | 5 | tablename | 32 |
| DATA_SOURCE | 1 | skb | $1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| 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->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->extensions | |
| 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->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 | 3 | in->group | |
| NO_OVERFLOW_SIMPLE | 3 | in->num_tc | |
| NO_OVERFLOW_SIMPLE | 3 | in->proto_down | |
| NO_OVERFLOW_SIMPLE | 3 | in->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 3 | in->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 3 | in->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 3 | in->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 3 | in->tx_queue_len | |
| NO_OVERFLOW_SIMPLE | 4 | out->group | |
| NO_OVERFLOW_SIMPLE | 4 | out->num_tc | |
| NO_OVERFLOW_SIMPLE | 4 | out->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 4 | out->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 4 | out->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 4 | out->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 4 | out->tx_queue_len | |
| UNITS | 0 | net | unit_byte |
| UNITS | 3 | in | unit_byte |
| UNITS | 4 | out | unit_byte |
| LOCK2 | bh | ||
| HALF_LOCKED2 | rcu_read |
net/ipv6/netfilter/ip6_tables.c ip6t_do_table() -> trace_packet()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | skb | 4096-ptr_max |
| 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 | 1 | skb->nf_trace | 1 |
| PARAM_VALUE | 3 | in | 0,4096-ptr_max |
| PARAM_VALUE | 4 | out | 0,4096-ptr_max |
| PARAM_VALUE | 6 | private | 4096-ptr_max |
| PARAM_VALUE | 6 | private->hook_entry | 4096-ptr_max |
| PARAM_VALUE | 6 | private->jumpstack | 4096-ptr_max |
| PARAM_VALUE | 7 | e | 4096-ptr_max |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| BUF_SIZE | 5 | tablename | 32 |
| DATA_SOURCE | 1 | skb | $1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| 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->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->extensions | |
| 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->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 | 3 | in->group | |
| NO_OVERFLOW_SIMPLE | 3 | in->num_tc | |
| NO_OVERFLOW_SIMPLE | 3 | in->proto_down | |
| NO_OVERFLOW_SIMPLE | 3 | in->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 3 | in->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 3 | in->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 3 | in->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 3 | in->tx_queue_len | |
| NO_OVERFLOW_SIMPLE | 4 | out->group | |
| NO_OVERFLOW_SIMPLE | 4 | out->num_tc | |
| NO_OVERFLOW_SIMPLE | 4 | out->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 4 | out->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 4 | out->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 4 | out->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 4 | out->tx_queue_len | |
| UNITS | 0 | net | unit_byte |
| UNITS | 3 | in | unit_byte |
| UNITS | 4 | out | unit_byte |
| LOCK2 | bh | ||
| HALF_LOCKED2 | rcu_read |