Defined in 1 files as a function:
Referenced in 3 files:
- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c, line 5734
- net/bridge/br_private.h, line 799
- net/sched/cls_api.c, line 1883
Smatch caller information:
net/bridge/br_input.c br_tc_skb_miss_set() -> tc_skb_ext_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->pkt_type | 0-4,6-7 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sk->sk_callback_lock.owner | (-1) |
| PARAM_VALUE | 0 | skb->sk->sk_callback_lock.owner_cpu | u32max |
| PARAM_VALUE | 0 | skb->sk->sk_filter | 0 |
| PARAM_VALUE | 0 | skb->sk->sk_frag.page | 0 |
| PARAM_VALUE | 0 | skb->sk->sk_owner->refcnt.counter | 0-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_prot_creator->owner->refcnt.counter | 0-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_rcu.func | 1-u64max |
| PARAM_VALUE | 0 | skb->sk->sk_rcu.next | 0 |
| PARAM_VALUE | 0 | skb->sk->sk_security | 0 |
| BUF_SIZE | 0 | skb | (-1),240 |
| BUF_SIZE | 0 | skb | (-1),240 |
| DATA_SOURCE | 0 | skb | $0 |
| MEM_ZERO | 0 | skb->cb | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | bh |
net/bridge/br_forward.c br_tc_skb_miss_set() -> tc_skb_ext_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->cb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ethtool_ops->get_link_ext_state | 0-s64max |
| PARAM_VALUE | 0 | skb->dev->ethtool_ops->get_mm_stats | 0-s64max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->mc_query_work.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->mc_query_work.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->mc_query_work.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->mc_report_work.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->mc_report_work.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->mc_report_work.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 0 | skb->dev->ip6_ptr->stats.proc_dir_entry | 0,4806605944481423360 |
| PARAM_VALUE | 0 | skb->dev->linkwatch_dev_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->dev->linkwatch_dev_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire | 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560 |
| PARAM_VALUE | 0 | skb->dev->nd_net.net->ipv4.fqdir->f->qsize | 0,304,320 |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->fill_addr_option | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->parse_options | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->update | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->rtnl_link_ops->maxtype | 0-6,8-10,15,18,20,22,24,34,50 |
| PARAM_VALUE | 0 | 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 | 0 | skb->next->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->next->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 0 | skb->next->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->offload_fwd_mark | 0 |
| PARAM_VALUE | 0 | skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq | 0-s64max |
| PARAM_VALUE | 0 | skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | skb->sk->sk_peer_cred->thread_keyring->user->qnkeys | s32min-s32max |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| CAPPED_DATA | 0 | skb | 1 |
| DATA_SOURCE | 0 | skb | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | skb->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->data_len | 0-2147483648[c] |
| HOST_DATA | 0 | skb->prev->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->prev->data_len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->truesize | 0-u32max |
| HOST_DATA | 0 | skb->prev->tstamp | 500000002-4294967299794967295[c] |
| HOST_DATA | 0 | skb->prev->users.refs.counter | s32min-0,2-s32max |
| HOST_DATA | 0 | skb->tstamp | 500000002-4294967299794967295[c] |
| HOST_DATA | 0 | skb->users.refs.counter | s32min-0,2-s32max |
| HOST_DATA | 0 | *skb->data | 0-255 |
| NO_OVERFLOW_SIMPLE | 0 | skb->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->group | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->num_tc | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->tx_queue_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->extensions | |
| NO_OVERFLOW_SIMPLE | 0 | skb->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | skb->sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->tail | |
| NO_OVERFLOW_SIMPLE | 0 | skb->truesize | |
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &dev->tx_global_lock | ||
| HALF_LOCKED2 | &txq->_xmit_lock | ||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | flags |
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c mlx5e_tc_restore_skb_tc_meta() -> tc_skb_ext_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->_skb_refdst | 4096-18446744073709547520 |
| PARAM_VALUE | 0 | skb->csum_level | 1 |
| PARAM_VALUE | 0 | skb->decrypted | 1 |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->dev_addr | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->dsa_ptr | 0,4096-ptr_max |
| PARAM_VALUE | 0 | skb->encapsulation | 1 |
| PARAM_VALUE | 0 | skb->extensions->refcnt.refs.counter | 1 |
| PARAM_VALUE | 0 | skb->mark | 0-u16max |
| PARAM_VALUE | 0 | skb->pkt_type | 1-3 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sw_hash | 0 |
| PARAM_VALUE | 0 | skb->vlan_proto | 33024,34984 |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| DATA_SOURCE | 0 | skb | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | bh |
net/sched/cls_api.c tcf_classify() -> tc_skb_ext_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire | 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560 |
| PARAM_VALUE | 0 | skb->dev->nd_net.net->ipv4.fqdir->f->qsize | 0,304,320 |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->fill_addr_option | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->parse_options | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->update | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->rtnl_link_ops->maxtype | 0-6,8-10,15,18,20,22,24,34,50 |
| PARAM_VALUE | 0 | 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 | 0 | skb->rbnode.rb_right->__rb_parent_color | 4096-18446744073709547521 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->alloc_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->dead | 0-1 |
| PARAM_VALUE | 0 | skb->sk->ns_tracker->free_stack_handle | 0-4294967295 |
| PARAM_VALUE | 0 | *skb->cb | 0-255 |
| PARAM_VALUE | 0 | *skb->cb->data_end | 0-255 |
| PARAM_VALUE | 0 | *skb->cb->data_meta | 0-255 |
| PARAM_VALUE | 0 | *skb->dev->name | 0-255 |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| DATA_SOURCE | 0 | skb | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | skb->csum | 0-192512[c] |
| HOST_DATA | 0 | skb->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->data_len | 0-u32max[c] |
| HOST_DATA | 0 | skb->inner_protocol | 1-255 |
| HOST_DATA | 0 | skb->len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->prev->data_len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->tstamp | 500000002-4294967299794967295[c] |
| HOST_DATA | 0 | skb->protocol | 1-255 |
| HOST_DATA | 0 | skb->truesize | 0-u32max |
| HOST_DATA | 0 | skb->tstamp | 500000002-4294967299794967295[c] |
| HOST_DATA | 0 | skb->users.refs.counter | s32min-0,2-s32max |
| NO_OVERFLOW_SIMPLE | 0 | skb->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->group | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->num_tc | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->proto_down | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->tx_queue_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->next->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->next->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | skb->sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->tail | |
| NO_OVERFLOW_SIMPLE | 0 | skb->truesize | |
| UNITS | 0 | skb | unit_byte |
| HALF_LOCKED2 | rcu_read |
net/bridge/br_device.c br_tc_skb_miss_set() -> tc_skb_ext_alloc()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ethtool_ops->get_link_ext_state | 0-9223372036854775807 |
| PARAM_VALUE | 0 | skb->dev->ethtool_ops->get_mm_stats | 0-9223372036854775807 |
| PARAM_VALUE | 0 | skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire | 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560 |
| PARAM_VALUE | 0 | skb->dev->nd_net.net->ipv4.fqdir->f->qsize | 0,304,320 |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->fill_addr_option | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->parse_options | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->ndisc_ops->update | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->rtnl_link_ops->maxtype | 0-6,8-10,15,18,20,22,24,34,50 |
| PARAM_VALUE | 0 | 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 | 0 | skb | (-1)-s32max |
| BUF_SIZE | 0 | skb | (-1)-s32max |
| DATA_SOURCE | 0 | skb | $0 |
| MEM_ZERO | 0 | skb->cb | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HOST_DATA | 0 | skb->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->data_len | 0-2147483648[c] |
| HOST_DATA | 0 | skb->len | 0-u32max[c] |
| HOST_DATA | 0 | skb->next->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->next->data_len | 0-u32max[c] |
| HOST_DATA | 0 | skb->next->len | 1-u32max[c] |
| HOST_DATA | 0 | skb->prev->csum_offset | 0-u16max |
| HOST_DATA | 0 | skb->prev->data_len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->len | 0-u32max[c] |
| HOST_DATA | 0 | skb->prev->truesize | 0-u32max |
| HOST_DATA | 0 | skb->prev->tstamp | 500000002-4294967299794967295[c] |
| HOST_DATA | 0 | skb->prev->users.refs.counter | s32min-0,2-s32max |
| HOST_DATA | 0 | skb->tstamp | 500000002-4294967299794967295[c] |
| HOST_DATA | 0 | skb->users.refs.counter | s32min-0,2-s32max |
| HOST_DATA | 0 | *skb->data | 0-255 |
| NO_OVERFLOW_SIMPLE | 0 | skb->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->group | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->num_tc | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->real_num_rx_queues | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->real_num_tx_queues | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->stats.rx_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->stats.tx_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | skb->dev->tx_queue_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->extensions | |
| NO_OVERFLOW_SIMPLE | 0 | skb->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->data_len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->end | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->tail | |
| NO_OVERFLOW_SIMPLE | 0 | skb->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 0 | skb->sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 0 | skb->tail | |
| NO_OVERFLOW_SIMPLE | 0 | skb->truesize | |
| HALF_LOCKED2 | &dev->tx_global_lock | ||
| HALF_LOCKED2 | &txq->_xmit_lock | ||
| HALF_LOCKED2 | bh | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | rcu_read |