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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

drivers/net/wan/lapbether.c lapbeth_rcv() -> lapb_data_received()

Type Parameter Key Value
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->data 4096-ptr_max
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->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 1 skb->sk->sk_callback_lock.raw_lock.wlocked 0
PARAM_VALUE 1 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 skb->sk->sk_security 0
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 1 skb r skb_share_check
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb->csum 0-192512[c]
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_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->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 1 skb unit_byte
LOCK2 &lapbeth->up_lock
LOCK2 bh
LOCK2 rcu_read
TYPE_LOCK (struct lapbethdev)->up_lock

drivers/net/wan/hdlc_x25.c x25_rx() -> lapb_data_received()

Type Parameter Key Value
PARAM_VALUE 1 skb 4096-ptr_max
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->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_callback_lock.raw_lock.wlocked 0
PARAM_VALUE 1 skb->sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 skb->sk->sk_security 0
PARAM_VALUE 1 *skb->sk->sk_callback_lock.owner (-4611686018427387904)-4611686018427387903
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 1 skb r skb_share_check
PREEMPT_ADD <- disables preempt
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->truesize 0-u32max
HOST_DATA 1 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 dev->group
NO_OVERFLOW_SIMPLE 0 dev->num_tc
NO_OVERFLOW_SIMPLE 0 dev->proto_down
NO_OVERFLOW_SIMPLE 0 dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 0 dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 0 dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 0 dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 0 dev->tx_queue_len
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 0 dev unit_byte
LOCK2 &x25st->up_lock
LOCK2 bh
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct x25_state)->up_lock