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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 7 files:

Smatch caller information:

net/ipv4/tcp_ipv4.c tcp_v4_err() -> ip_icmp_error()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_state 2-3
PARAM_VALUE 0 sk->sk_lock.slock.rlock.dep_map->name 0-255
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->data 4096-ptr_max
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.tcp_death_row.hashinfo 4096-ptr_max
PARAM_VALUE 5 payload 4096-ptr_max
CAPPED_DATA 0 sk 1
CAPPED_DATA 1 skb->dev->nd_net.net 1
DATA_SOURCE 0 sk r __inet_lookup_established
DATA_SOURCE 1 skb $0
DATA_SOURCE 4 info $1
PREEMPT_ADD <- disables preempt
NOCHECK_CALL
USER_DATA 3 port 0-u16max[u]
USER_DATA 5 *payload 0-255
UNITS 5 payload unit_byte
USER_PTR 5 payload
LOCK2 0 &sk->sk_lock.slock
TYPE_LOCK (struct socket_lock_t)->slock

net/l2tp/l2tp_core.c l2tp_udp_encap_err_recv() -> ip_icmp_error()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->sk_callback_lock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_dst_cache->dev_rcu->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 sk->sk_error_report 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.udp_table 4096-ptr_max
CAPPED_DATA 0 sk 1
CAPPED_DATA 1 skb->dev->nd_net.net 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 err $2
DATA_SOURCE 3 port $3
DATA_SOURCE 4 info $4
DATA_SOURCE 5 payload $5
USER_DATA 3 port 0-u16max[u]
USER_DATA 4 info 0-u32max
USER_DATA 5 *payload 0-255
USER_PTR 5 payload

net/ipv4/ping.c ping_err() -> ip_icmp_error()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_family 2,10
PARAM_VALUE 0 sk->__sk_common.skc_net.net->ipv4.fib_main->tb_data->kv->key 0-4294967295
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->ip_ptr->ifa_list->ifa_address 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_broadcast 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_flags 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_local 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_mask 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_preferred_lft 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_prefixlen 0-255
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_proto 0-255
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_rt_priority 0-4294967295
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_scope 0-255
PARAM_VALUE 1 skb->dev->ip_ptr->ifa_list->ifa_valid_lft 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_default->tb_data->stats->gets 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_default->tb_data->stats->semantic_match_passed 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->kv->bits 1-255
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->kv->key 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->kv->pos 0-254
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->kv->slen 1-255
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->stats->backtrack 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->stats->gets 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->stats->null_node_hit 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->stats->semantic_match_miss 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fib_main->tb_data->stats->semantic_match_passed 0-4294967295
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 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 1 skb->protocol 2048
PARAM_VALUE 3 port 0
PARAM_VALUE 5 payload 4096-ptr_max
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
CAPPED_DATA 0 sk->__sk_common.skc_net.net 1
CAPPED_DATA 1 skb->dev 1
CAPPED_DATA 1 skb->dev->nd_net.net 1
CAPPED_DATA 5 payload->un.echo.id 1
DATA_SOURCE 0 sk r ping_lookup
DATA_SOURCE 1 skb $0
DATA_SOURCE 4 info $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 skb->csum 0-4294967041[c]
HOST_DATA 1 skb->csum_offset 0-u16max
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 1-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
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
USER_DATA 4 info 0-u32max
USER_DATA 5 *payload 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->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 5 payload unit_byte
USER_PTR 5 payload

net/ipv4/raw.c raw_err() -> ip_icmp_error()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->csum_valid 1
PARAM_VALUE 1 skb->data 4096-ptr_max
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->ethtool_ops->create_rxfh_context 0,4,1193890977307893760,3411743749688197120,4061224044846587904,4457498795121053696,4492625381564977152,6869898235061968896
PARAM_VALUE 1 skb->dev->ethtool_ops->get_link_ext_state 0,8,1281650680815353856,1471363006793740288,2066653251895574528,8975973974715154432,9149564991109386240
PARAM_VALUE 1 skb->dev->ethtool_ops->get_mm_stats 0,88,181867277093580800,5657799486394183680,5747745173089693696,8861185814274375680
PARAM_VALUE 1 skb->dev->ethtool_ops->modify_rxfh_context 0,5,2274879766485979136,2866542652935299072,4642694651803070464,5251344010917244928,5947095161631043584,7301979924060471296
PARAM_VALUE 1 skb->dev->ethtool_ops->remove_rxfh_context 0,170,106227240452722688,513622018430513152,1648226983112282112,1705969192382881792,5541829826254528512,7874787804778274816
PARAM_VALUE 1 skb->dev->ethtool_ops->rxfh_max_num_contexts 0,2,8,16,33
PARAM_VALUE 1 skb->dev->ethtool_ops->supported_coalesce_params 0-3,17,19,34-35,48,51,59,63,204,236,273,511,513,529,547,561,563,595,597,1553,1587,1681,132625,135697,657041,677393,2029107,2097665,2300433,2300595,3653155,12583935,12584499,13239859,117440512,536870912,536872499-s64max
PARAM_VALUE 1 skb->dev->hwprov->source 0-2
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 skb->dev->ip6_ptr->stats.proc_dir_entry 0,4806605944481423360
PARAM_VALUE 1 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net 4096-ptr_max
PARAM_VALUE 1 skb->dev->nd_net.net->gen->s.len 0-s32max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f 0,2623593239163551744,2848917907979182080,2914521387540934656,3268414198954766336
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->ipv4.fqdir->rhashtable.tbl->hash_rnd 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->rhashtable.tbl->nest 0-4294967295
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->rhashtable.tbl->size 0-4294967295
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->priomap->priomap_len 0,27,59
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 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 1 skb->extensions 0
PARAM_VALUE 1 skb->ip_summed 0,2-3
PARAM_VALUE 1 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->gen->s.len 0-s32max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 1 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
PARAM_VALUE 1 skb->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 skb->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 1 skb->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 1 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 3 port 0
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 5 payload (-1),1-s32max
BUF_SIZE 5 payload (-1),1-s32max
CAPPED_DATA 0 sk->__sk_common.skc_net.net 1
CAPPED_DATA 1 skb 1
CAPPED_DATA 1 skb->dev->nd_net.net 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 skb $1
DATA_SOURCE 4 info $2
CONSTRAINT 1 skb <=49
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 skb->csum 0-4294967040[c]
HOST_DATA 1 skb->csum_offset 0-u16max
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 1-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
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
HOST_DATA 5 *payload 0-255
USER_DATA 4 info 0-u32max
USER_DATA 5 *payload 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->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->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 4 info unit_byte
UNITS 5 payload unit_byte
USER_PTR 5 payload
LOCK2 rcu_read

net/ipv4/udp.c udp_err() -> ip_icmp_error()

Type Parameter Key Value
PARAM_VALUE 0 sk 1-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->data 4096-ptr_max
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.udp_table 4096-ptr_max
CAPPED_DATA 1 skb->dev->nd_net.net 1
DATA_SOURCE 0 sk r __udp4_lib_lookup
DATA_SOURCE 1 skb $0
DATA_SOURCE 4 info $1
NOCHECK_CALL
USER_DATA 3 port 0-u16max[u]
USER_DATA 5 *payload 0-255
UNITS 5 payload unit_byte
USER_PTR 5 payload

net/rxrpc/local_object.c rxrpc_encap_err_rcv() -> ip_icmp_error()

Type Parameter Key Value
PARAM_VALUE 0 sk 1-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.udp_table 4096-ptr_max
CAPPED_DATA 0 sk 1
CAPPED_DATA 1 skb->dev->nd_net.net 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 err $2
DATA_SOURCE 3 port $3
DATA_SOURCE 4 info $4
DATA_SOURCE 5 payload $5
USER_DATA 3 port 0-u16max[u]
USER_DATA 4 info 0-u32max
USER_DATA 5 *payload 0-255
USER_PTR 5 payload