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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

net/netfilter/nf_log_syslog.c nf_log_ip6_packet() -> dump_mac_header()

Type Parameter Key Value
PARAM_VALUE 0 m 4096-ptr_max
PARAM_VALUE 0 m->count 0-2036
PARAM_VALUE 0 *m->buf 0-255
PARAM_VALUE 1 info 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
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->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
BUF_SIZE 0 m (-1),1024
BUF_SIZE 0 m (-1),1024
BUF_SIZE 1 info (-1),16
BUF_SIZE 1 info (-1),16
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
DATA_SOURCE 0 m r nf_log_buf_open
DATA_SOURCE 1 info $6 [m]
DATA_SOURCE 2 skb $3
STR_LEN 0 m (-1),2,11-17,19-22,24-28,30,32,38,45,49,52,58,60,62,67
STR_LEN 2 skb (-1),2,11-17,19-22,24-28,30,32,38,45,49,52,58,60,62,67
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 2 skb->csum 0-4294967040[c]
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->inner_protocol 1-255
HOST_DATA 2 skb->len 0-u32max[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->protocol 1-255
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->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->extensions
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->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
LOCK2 rcu_read
HALF_LOCKED2 bh

net/netfilter/nf_log_syslog.c nf_log_ip_packet() -> dump_mac_header()

Type Parameter Key Value
PARAM_VALUE 0 m 4096-ptr_max
PARAM_VALUE 0 m->count 0-2036
PARAM_VALUE 0 *m->buf 0-255
PARAM_VALUE 1 info 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
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->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
BUF_SIZE 0 m (-1),1024
BUF_SIZE 0 m (-1),1024
BUF_SIZE 1 info (-1),16
BUF_SIZE 1 info (-1),16
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
DATA_SOURCE 0 m r nf_log_buf_open
DATA_SOURCE 1 info $6 [m]
DATA_SOURCE 2 skb $3
STR_LEN 0 m (-1),2,11-17,19-22,24-28,30,32,38,45,49,52,58,60,62,67
STR_LEN 2 skb (-1),2,11-17,19-22,24-28,30,32,38,45,49,52,58,60,62,67
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 2 skb->csum 0-4294967040[c]
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->inner_protocol 1-255
HOST_DATA 2 skb->len 0-u32max[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->protocol 1-255
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->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->extensions
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->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
LOCK2 rcu_read
HALF_LOCKED2 bh

net/netfilter/nf_log_syslog.c nf_log_unknown_packet() -> dump_mac_header()

Type Parameter Key Value
PARAM_VALUE 0 m 4096-ptr_max
PARAM_VALUE 0 m->count 0-2036
PARAM_VALUE 0 *m->buf 0-255
PARAM_VALUE 1 info 4096-ptr_max
PARAM_VALUE 2 skb 4096-ptr_max
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->dev->linkwatch_dev_tracker->free_stack_handle 0-4294967295
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->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 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,9688-u64max
PARAM_VALUE 2 skb->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 2 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 2 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->protocol 0-2047,2049-2053,2055-32820,32822-34524,34526-u16max
PARAM_VALUE 2 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq 0-s64max
PARAM_VALUE 2 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active s32min-s32max
PARAM_VALUE 2 skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active s32min-s32max
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->sk->sk_peer_cred->process_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->process_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->request_key_auth->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->request_key_auth->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->session_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->session_keyring->user->qnkeys s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->thread_keyring->user->qnbytes s32min-s32max
PARAM_VALUE 2 skb->sk->sk_peer_cred->thread_keyring->user->qnkeys s32min-s32max
BUF_SIZE 0 m (-1),1024
BUF_SIZE 0 m (-1),1024
BUF_SIZE 1 info (-1),16
BUF_SIZE 1 info (-1),16
BUF_SIZE 2 skb (-1)-s32max
BUF_SIZE 2 skb (-1)-s32max
DATA_SOURCE 0 m r nf_log_buf_open
DATA_SOURCE 1 info $6 [m]
DATA_SOURCE 2 skb $3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 2 skb->csum 0-4294967040[c]
HOST_DATA 2 skb->csum_offset 0-u16max
HOST_DATA 2 skb->data_len 0-u32max[c]
HOST_DATA 2 skb->inner_protocol 1-255
HOST_DATA 2 skb->len 0-u32max[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->protocol 1-255
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->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->extensions
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->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
LOCK2 rcu_read
HALF_LOCKED2 bh