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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

net/ipv4/ip_options.c ip_options_get() -> ip_options_compile()

Type Parameter Key Value
PARAM_VALUE 1 opt 4096-ptr_max
PARAM_VALUE 2 skb 0
BUF_SIZE 1 opt 16-2147483663
DATA_SOURCE 0 net $0
NOSPEC 1 opt->optlen
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 opt->optlen 0-40[c]
UNITS 0 net unit_byte
USER_PTR 1 opt->__data

net/ipv4/ip_input.c ip_rcv_options() -> ip_options_compile()

Type Parameter Key Value
PARAM_VALUE 1 opt 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->cloned 0
PARAM_VALUE 2 skb->data 4096-ptr_max
PARAM_VALUE 2 skb->data->h_proto 2048,34525
PARAM_VALUE 2 skb->dev->ethtool_ops->create_rxfh_context 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->modify_rxfh_context 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->remove_rxfh_context 0-s64max
PARAM_VALUE 2 skb->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 2 skb->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->crcount 0-255
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->gsquery 0-255
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->loaded 0-255
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->multiaddr 0-4294967295
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->refcnt.refs.counter s32min-s32max
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->reporter 0-255
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->sfmode 0-4294967295
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->timer.flags 0-4294967295
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->tm_running 0-255
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->unsolicit_count 0-255
PARAM_VALUE 2 skb->dev->ip_ptr->mc_list->users s32min-s32max
PARAM_VALUE 2 skb->dev->l3mdev_ops 4096-ptr_max
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 2 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 2 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 2 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 2 skb->dev->priv_flags 262144-u32max
PARAM_VALUE 2 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 2 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 skb->hdr_len 0
PARAM_VALUE 2 skb->head 1-u64max
PARAM_VALUE 2 skb->head_frag 0
PARAM_VALUE 2 skb->nohdr 0
PARAM_VALUE 2 skb->pp_recycle 0
PARAM_VALUE 2 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 2 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 2 *skb->data->h_dest 0-255
PARAM_VALUE 2 *skb->data->h_source 0-255
BUF_SIZE 1 opt 16
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
DATA_SOURCE 2 skb $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 2 skb->csum 0-192512[c]
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->len 0-u32max[c]
HOST_DATA 2 skb->next->prev->csum_offset 0-u16max
HOST_DATA 2 skb->next->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->next->prev->len 1-u32max[c]
HOST_DATA 2 skb->next->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->prev->csum_offset 0-u16max
HOST_DATA 2 skb->prev->data_len 0-u32max[c]
HOST_DATA 2 skb->prev->len 1-u32max[c]
HOST_DATA 2 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->truesize 0-u32max
HOST_DATA 2 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 2 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 2 *skb->data 0-255
NO_OVERFLOW_SIMPLE 2 skb->data_len
NO_OVERFLOW_SIMPLE 2 skb->dev->group
NO_OVERFLOW_SIMPLE 2 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 2 skb->dev->proto_down
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 2 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 2 skb->end
NO_OVERFLOW_SIMPLE 2 skb->len
NO_OVERFLOW_SIMPLE 2 skb->next->end
NO_OVERFLOW_SIMPLE 2 skb->next->len
NO_OVERFLOW_SIMPLE 2 skb->next->tail
NO_OVERFLOW_SIMPLE 2 skb->next->truesize
NO_OVERFLOW_SIMPLE 2 skb->prev->end
NO_OVERFLOW_SIMPLE 2 skb->prev->len
NO_OVERFLOW_SIMPLE 2 skb->prev->tail
NO_OVERFLOW_SIMPLE 2 skb->prev->truesize
NO_OVERFLOW_SIMPLE 2 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 2 skb->tail
NO_OVERFLOW_SIMPLE 2 skb->truesize
UNITS 2 skb unit_byte
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read