batadv_check_unicast_packet identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

net/batman-adv/routing.c, line 482

Defined in 1 files as a function:

net/batman-adv/routing.c, line 494 (as a function)

Referenced in 1 files:

net/batman-adv/routing.c

Smatch caller information:

net/batman-adv/routing.c batadv_recv_frag_packet() -> batadv_check_unicast_packet()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->data->version	15
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->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->mac_len	14
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner_cpu	4294967295
PARAM_VALUE	1	skb->sk->sk_filter	0
PARAM_VALUE	1	skb->sk->sk_frag.page	0
PARAM_VALUE	1	skb->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_rcu.next	0
PARAM_VALUE	1	skb->sk->sk_security	0
PARAM_VALUE	2	hdr_size	20
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
DATA_SOURCE	1	skb	$0
MEM_ZERO	1	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum	0-126976[c]
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-u32max[c]
HOST_DATA	1	skb->len	0-u32max[c]
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->data	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->proto_down
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->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->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	2	hdr_size	unit_byte
HALF_LOCKED2		rcu_read

net/batman-adv/routing.c batadv_recv_mcast_packet() -> batadv_check_unicast_packet()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->data->version	15
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->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->mac_len	14
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner_cpu	4294967295
PARAM_VALUE	1	skb->sk->sk_filter	0
PARAM_VALUE	1	skb->sk->sk_frag.page	0
PARAM_VALUE	1	skb->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_rcu.next	0
PARAM_VALUE	1	skb->sk->sk_security	0
PARAM_VALUE	2	hdr_size	6
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
DATA_SOURCE	1	skb	$0
MEM_ZERO	1	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum	0-126976[c]
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-u32max[c]
HOST_DATA	1	skb->len	0-u32max[c]
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->data	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->proto_down
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->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->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	2	hdr_size	unit_byte
HALF_LOCKED2		rcu_read

net/batman-adv/routing.c batadv_recv_unhandled_unicast_packet() -> batadv_check_unicast_packet()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->data->version	15
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->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->mac_len	14
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner_cpu	4294967295
PARAM_VALUE	1	skb->sk->sk_filter	0
PARAM_VALUE	1	skb->sk->sk_frag.page	0
PARAM_VALUE	1	skb->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_rcu.next	0
PARAM_VALUE	1	skb->sk->sk_security	0
PARAM_VALUE	2	hdr_size	10
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
DATA_SOURCE	1	skb	$0
MEM_ZERO	1	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum	0-126976[c]
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-u32max[c]
HOST_DATA	1	skb->len	0-u32max[c]
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->data	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->proto_down
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->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->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	2	hdr_size	unit_byte
HALF_LOCKED2		rcu_read

net/batman-adv/routing.c batadv_recv_unicast_packet() -> batadv_check_unicast_packet()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->data->version	15
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->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->mac_len	14
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner_cpu	4294967295
PARAM_VALUE	1	skb->sk->sk_filter	0
PARAM_VALUE	1	skb->sk->sk_frag.page	0
PARAM_VALUE	1	skb->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_rcu.next	0
PARAM_VALUE	1	skb->sk->sk_security	0
PARAM_VALUE	2	hdr_size	10,18
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
DATA_SOURCE	1	skb	$0
FUZZY_MAX	2	hdr_size	18
BIT_INFO	2	hdr_size	0x2,0x1a
HARD_MAX	2	hdr_size	18
MEM_ZERO	1	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum	0-126976[c]
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-u32max[c]
HOST_DATA	1	skb->len	0-u32max[c]
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->data	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->proto_down
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->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->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	2	hdr_size	unit_byte
HALF_LOCKED2		rcu_read

net/batman-adv/routing.c batadv_recv_unicast_tvlv() -> batadv_check_unicast_packet()

Type	Parameter	Key	Value
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->data	4096-ptr_max
PARAM_VALUE	1	skb->data->version	15
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->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	1	skb->mac_len	14
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner	(-1)
PARAM_VALUE	1	skb->sk->sk_callback_lock.owner_cpu	4294967295
PARAM_VALUE	1	skb->sk->sk_filter	0
PARAM_VALUE	1	skb->sk->sk_frag.page	0
PARAM_VALUE	1	skb->sk->sk_owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_prot_creator->owner->refcnt.counter	0-s32max
PARAM_VALUE	1	skb->sk->sk_rcu.next	0
PARAM_VALUE	1	skb->sk->sk_security	0
PARAM_VALUE	2	hdr_size	20
BUF_SIZE	1	skb	(-1)-s32max
BUF_SIZE	1	skb	(-1)-s32max
DATA_SOURCE	1	skb	$0
MEM_ZERO	1	skb->cb
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	1	skb->csum	0-126976[c]
HOST_DATA	1	skb->csum_offset	0-u16max
HOST_DATA	1	skb->data_len	0-u32max[c]
HOST_DATA	1	skb->len	0-u32max[c]
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->data	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->proto_down
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->extensions
NO_OVERFLOW_SIMPLE	1	skb->len
NO_OVERFLOW_SIMPLE	1	skb->next->end
NO_OVERFLOW_SIMPLE	1	skb->next->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	2	hdr_size	unit_byte
HALF_LOCKED2		rcu_read