Defined in 2 files as a function:
Referenced in 3 files:
Smatch caller information:
net/ipv4/icmp.c icmp_route_lookup() -> xfrm_decode_session_reverse()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | net | 4096-ptr_max |
| PARAM_VALUE | 0 | net->ipv4.fib_default->tb_data->stats->gets | 0-4294967295 |
| PARAM_VALUE | 0 | net->ipv4.fib_default->tb_data->stats->semantic_match_passed | 0-4294967295 |
| PARAM_VALUE | 0 | net->ipv4.fib_main->tb_data->stats->semantic_match_passed | 0-4294967295 |
| PARAM_VALUE | 0 | net->user_ns | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 4096-ptr_max |
| PARAM_VALUE | 1 | skb->_skb_refdst | 1-u64max |
| PARAM_VALUE | 1 | skb->dev | 0,4096-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-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 | 1 | skb->head | 0-ptr_max |
| PARAM_VALUE | 1 | skb->pkt_type | 0 |
| PARAM_VALUE | 1 | *skb->dev->name | 0-255 |
| PARAM_VALUE | 2 | fl | 4096-ptr_max |
| PARAM_VALUE | 3 | family | 2 |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| CAPPED_DATA | 0 | net->user_ns->uid_map.nr_extents | 1 |
| CAPPED_DATA | 1 | skb->head | 1 |
| DATA_SOURCE | 0 | net | $0 |
| DATA_SOURCE | 1 | skb | $2 |
| BIT_INFO | 2 | fl | 0x7b1f64889acb3000,0xffffffffffffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | skb->csum | 0-4294967040[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->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->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->data_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 | |
| UNITS | 0 | net | unit_byte |
| UNITS | 1 | skb | unit_byte |
| LOCK2 | bh | ||
| HALF_LOCKED2 | &x->lock | ||
| HALF_LOCKED2 | rcu_read |
net/xfrm/xfrm_policy.c xfrm_icmp_flow_decode() -> xfrm_decode_session_reverse()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | skb | 4096-ptr_max |
| PARAM_VALUE | 1 | skb->data | 4096-ptr_max |
| PARAM_VALUE | 2 | fl | 863637197669703680,2043934578482388992,6009494001996951552 |
| PARAM_VALUE | 3 | family | 2,10 |
| BUF_SIZE | 1 | skb | (-1),240 |
| BUF_SIZE | 1 | skb | (-1),240 |
| CAPPED_DATA | 3 | family | 1 |
| DATA_SOURCE | 1 | skb | r skb_clone |
| DATA_SOURCE | 2 | fl | $3 |
| DATA_SOURCE | 3 | family | $1 |
| BIT_INFO | 3 | family | 0x2,0xa |
| RX_PATH | |||
| TASK_NOT_RUNNING |
net/ipv6/icmp.c icmpv6_route_lookup() -> xfrm_decode_session_reverse()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | net | 4096-ptr_max |
| PARAM_VALUE | 0 | net->user_ns | 4096-ptr_max |
| PARAM_VALUE | 1 | skb | 4096-ptr_max |
| PARAM_VALUE | 1 | skb->dev | 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-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->nd_net.net->user_ns | 4096-ptr_max |
| 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->head | 0-ptr_max |
| PARAM_VALUE | 2 | fl | 4096-ptr_max |
| PARAM_VALUE | 3 | family | 10 |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| BUF_SIZE | 1 | skb | (-1)-s32max |
| CAPPED_DATA | 0 | net->user_ns->uid_map.nr_extents | 1 |
| CAPPED_DATA | 1 | skb->dev | 1 |
| CAPPED_DATA | 1 | skb->head | 1 |
| DATA_SOURCE | 0 | net | $0 |
| DATA_SOURCE | 1 | skb | $1 |
| BIT_INFO | 2 | fl | 0x4a41279a4aa4a000,0xffffffffffffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 1 | skb->csum | 0-4294967041[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->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->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->data_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 | |
| UNITS | 0 | net | unit_byte |
| UNITS | 1 | skb | unit_byte |
| LOCK2 | bh | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &x->lock |