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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/net/ppp/ppp_generic.c __ppp_channel_push() -> (struct ppp_channel_ops)->start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 chan 4096-ptr_max
PARAM_VALUE 0 chan->ops 4096-ptr_max
PARAM_VALUE 1 skb 0,4096-ptr_max
PARAM_VALUE 1 skb->next 0
PARAM_VALUE 1 skb->prev 0
DATA_SOURCE 1 skb r skb_dequeue
CONTAINER 0 *(-0-8+0) $(-1)
RX_PATH
TASK_NOT_RUNNING
LOCK2 &pch->downl
LOCK2 rcu_read
TYPE_LOCK (struct channel)->downl

drivers/net/ppp/ppp_generic.c ppp_channel_bridge_input() -> (struct ppp_channel_ops)->start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 chan 4096-ptr_max
PARAM_VALUE 0 chan->ops 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->_nfct 0
PARAM_VALUE 1 skb->_skb_refdst 0
PARAM_VALUE 1 skb->active_extensions 0
PARAM_VALUE 1 skb->ignore_df 0
PARAM_VALUE 1 skb->ipvs_property 0
PARAM_VALUE 1 skb->nf_trace 0
PARAM_VALUE 1 skb->offload_fwd_mark 0
PARAM_VALUE 1 skb->offload_l3_fwd_mark 0
PARAM_VALUE 1 skb->pkt_type 0
PARAM_VALUE 1 skb->skb_iif 0
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 1 skb $1
CONTAINER 0 *(-0-8+0) $(-1)
RX_PATH
TASK_NOT_RUNNING
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->users.refs.counter s32min-0,2-s32max
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->len
NO_OVERFLOW_SIMPLE 1 skb->next->end
NO_OVERFLOW_SIMPLE 1 skb->next->len
NO_OVERFLOW_SIMPLE 1 skb->next->tail
NO_OVERFLOW_SIMPLE 1 skb->next->truesize
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
LOCK2 &pchb->downl
LOCK2 bh
LOCK2 rcu_read
TYPE_LOCK (struct channel)->downl

drivers/net/ppp/ppp_generic.c ppp_mp_explode() -> (struct ppp_channel_ops)->start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 chan 4096-ptr_max
PARAM_VALUE 0 chan->ops 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->data_len 0
BUF_SIZE 1 skb 0-s32max
BUF_SIZE 1 skb 0-s32max
DATA_SOURCE 1 skb r alloc_skb
CONTAINER 0 -0-8+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
LOCK2 &pch->downl
LOCK2 &ppp->wlock
LOCK2 bh
TYPE_LOCK (struct channel)->downl
TYPE_LOCK (struct ppp)->wlock

drivers/net/ppp/ppp_generic.c ppp_push() -> (struct ppp_channel_ops)->start_xmit()

Type Parameter Key Value
PARAM_VALUE 0 chan 4096-ptr_max
PARAM_VALUE 0 chan->ops 4096-ptr_max
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->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->next->sk->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 1 skb->next->sk->ns_tracker->dead 0-1
PARAM_VALUE 1 skb->next->sk->ns_tracker->free_stack_handle 0-4294967295
DATA_SOURCE 1 skb $1
CONTAINER 0 -0-8+0 $(-1)
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_len 0-2147483648[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 0-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->users.refs.counter s32min-0,2-s32max
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->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->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->tail
NO_OVERFLOW_SIMPLE 1 skb->truesize
LOCK2 &pch->downl
LOCK2 &ppp->wlock
LOCK2 bh
TYPE_LOCK (struct channel)->downl
TYPE_LOCK (struct ppp)->wlock