dump_ipv4_packet identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

net/netfilter/nf_log_syslog.c, line 312 (as a function)

Referenced in 1 files:

net/netfilter/nf_log_syslog.c
- line 456
- line 870

Smatch caller information:

net/netfilter/nf_log_syslog.c dump_ipv4_packet() -> dump_ipv4_packet()

Type	Parameter	Key	Value
PARAM_VALUE	0	net->nf.nf_loggers	4096-ptr_max
PARAM_VALUE	1	m	4096-ptr_max
PARAM_VALUE	1	m->count	0-2036
PARAM_VALUE	1	*m->buf	0-255
PARAM_VALUE	2	info	4096-ptr_max
PARAM_VALUE	3	skb	4096-ptr_max
PARAM_VALUE	3	skb->dev->ethtool_ops->create_rxfh_context	0-s64max
PARAM_VALUE	3	skb->dev->ethtool_ops->get_link_ext_state	0-s64max
PARAM_VALUE	3	skb->dev->ethtool_ops->get_mm_stats	0-s64max
PARAM_VALUE	3	skb->dev->ethtool_ops->modify_rxfh_context	0-s64max
PARAM_VALUE	3	skb->dev->ethtool_ops->remove_rxfh_context	0-s64max
PARAM_VALUE	3	skb->dev->ethtool_ops->rxfh_max_num_contexts	0-4294967295
PARAM_VALUE	3	skb->dev->ethtool_ops->supported_coalesce_params	0-s64max
PARAM_VALUE	3	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	3	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	3	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	3	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	3	skb->next->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	skb->next->sk->ns_tracker->dead	0-1
PARAM_VALUE	3	skb->next->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->next->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->dfl_pwq	0-s64max
PARAM_VALUE	3	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_max_active	s32min-s32max
PARAM_VALUE	3	skb->sk->__sk_common.skc_net.net->xfrm.nat_keepalive_work.wq->saved_min_active	s32min-s32max
PARAM_VALUE	3	skb->sk->ns_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	skb->sk->ns_tracker->dead	0-1
PARAM_VALUE	3	skb->sk->ns_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	skb->sk->sk_peer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	3	skb->sk->sk_peer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	4	iphoff	8-68
BUF_SIZE	1	m	(-1),1024
BUF_SIZE	1	m	(-1),1024
BUF_SIZE	2	info	(-1),16
BUF_SIZE	2	info	(-1),16
BUF_SIZE	3	skb	(-1)-s32max
BUF_SIZE	3	skb	(-1)-s32max
DATA_SOURCE	0	net	$0
DATA_SOURCE	1	m	$1
DATA_SOURCE	2	info	$2
DATA_SOURCE	3	skb	$3
STR_LEN	0	net	2,11-17,19-22,24-28,30,32,38,40,43,45,49,52,58,60,62,67
STR_LEN	0	net	2,11-17,19-22,24-28,30,32,38,40,43,45,49,52,58,60,62,67
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	3	skb->csum	0-4294967040[c]
HOST_DATA	3	skb->csum_offset	0-u16max
HOST_DATA	3	skb->data_len	0-u32max[c]
HOST_DATA	3	skb->inner_protocol	1-255
HOST_DATA	3	skb->len	0-u32max[c]
HOST_DATA	3	skb->prev->csum_offset	0-u16max
HOST_DATA	3	skb->prev->data_len	0-u32max[c]
HOST_DATA	3	skb->prev->len	1-u32max[c]
HOST_DATA	3	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	3	skb->protocol	1-255
HOST_DATA	3	skb->truesize	0-u32max
HOST_DATA	3	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	3	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	3	*skb->data	0-255
NO_OVERFLOW_SIMPLE	3	skb->data_len
NO_OVERFLOW_SIMPLE	3	skb->dev->group
NO_OVERFLOW_SIMPLE	3	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	3	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	3	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	3	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	3	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	3	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	3	skb->end
NO_OVERFLOW_SIMPLE	3	skb->extensions
NO_OVERFLOW_SIMPLE	3	skb->len
NO_OVERFLOW_SIMPLE	3	skb->next->end
NO_OVERFLOW_SIMPLE	3	skb->next->len
NO_OVERFLOW_SIMPLE	3	skb->prev->end
NO_OVERFLOW_SIMPLE	3	skb->prev->len
NO_OVERFLOW_SIMPLE	3	skb->prev->tail
NO_OVERFLOW_SIMPLE	3	skb->prev->truesize
NO_OVERFLOW_SIMPLE	3	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	3	skb->tail
NO_OVERFLOW_SIMPLE	3	skb->truesize
UNITS	4	iphoff	unit_byte
LOCK2		rcu_read
HALF_LOCKED2		bh

net/netfilter/nf_log_syslog.c nf_log_ip_packet() -> dump_ipv4_packet()

Type	Parameter	Key	Value
PARAM_VALUE	0	net->nf.nf_loggers	4096-ptr_max
PARAM_VALUE	1	m	4096-ptr_max
PARAM_VALUE	1	m->count	0-2036
PARAM_VALUE	1	*m->buf	0-255
PARAM_VALUE	2	info	4096-ptr_max
PARAM_VALUE	3	skb	4096-ptr_max
PARAM_VALUE	3	skb->dev->linkwatch_dev_tracker->alloc_stack_handle	0-4294967295
PARAM_VALUE	3	skb->dev->linkwatch_dev_tracker->free_stack_handle	0-4294967295
PARAM_VALUE	3	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	3	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	3	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	3	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	1	m	(-1),1024
BUF_SIZE	1	m	(-1),1024
BUF_SIZE	2	info	(-1),16
BUF_SIZE	2	info	(-1),16
BUF_SIZE	3	skb	(-1)-s32max
BUF_SIZE	3	skb	(-1)-s32max
DATA_SOURCE	0	net	$0
DATA_SOURCE	1	m	r nf_log_buf_open
DATA_SOURCE	2	info	$6 [m]
DATA_SOURCE	3	skb	$3
STR_LEN	0	net	2,11-17,19-22,24-28,30,32,38,40,43,45,49,52,58,60,62,67
STR_LEN	0	net	2,11-17,19-22,24-28,30,32,38,40,43,45,49,52,58,60,62,67
STR_LEN	1	m	(-1),2,11-17,19-22,24-28,30,32,38,45,49,52,58,60,62,67
STR_LEN	3	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	3	skb->csum	0-4294967040[c]
HOST_DATA	3	skb->csum_offset	0-u16max
HOST_DATA	3	skb->data_len	0-u32max[c]
HOST_DATA	3	skb->inner_protocol	1-255
HOST_DATA	3	skb->len	0-u32max[c]
HOST_DATA	3	skb->prev->csum_offset	0-u16max
HOST_DATA	3	skb->prev->data_len	0-u32max[c]
HOST_DATA	3	skb->prev->len	1-u32max[c]
HOST_DATA	3	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	3	skb->protocol	1-255
HOST_DATA	3	skb->truesize	0-u32max
HOST_DATA	3	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	3	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	3	*skb->data	0-255
NO_OVERFLOW_SIMPLE	3	skb->data_len
NO_OVERFLOW_SIMPLE	3	skb->dev->group
NO_OVERFLOW_SIMPLE	3	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	3	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	3	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	3	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	3	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	3	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	3	skb->end
NO_OVERFLOW_SIMPLE	3	skb->extensions
NO_OVERFLOW_SIMPLE	3	skb->len
NO_OVERFLOW_SIMPLE	3	skb->next->end
NO_OVERFLOW_SIMPLE	3	skb->next->len
NO_OVERFLOW_SIMPLE	3	skb->prev->end
NO_OVERFLOW_SIMPLE	3	skb->prev->len
NO_OVERFLOW_SIMPLE	3	skb->prev->tail
NO_OVERFLOW_SIMPLE	3	skb->prev->truesize
NO_OVERFLOW_SIMPLE	3	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	3	skb->tail
NO_OVERFLOW_SIMPLE	3	skb->truesize
LOCK2		rcu_read
HALF_LOCKED2		bh