Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
net/packet/af_packet.c packet_sendmsg_spkt() -> packet_parse_headers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data_len | 0 |
| PARAM_VALUE | 0 | skb->destructor | 0,5871617288306880512,7346051344949997568 |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->flags | 1-u32max |
| PARAM_VALUE | 0 | skb->len | 1-u32max |
| PARAM_VALUE | 0 | skb->sk | 0,4096-ptr_max |
| PARAM_VALUE | 0 | skb->skb_mstamp_ns | 0 |
| PARAM_VALUE | 0 | skb->tstamp | 0 |
| PARAM_VALUE | 0 | skb->tstamp_type | 0 |
| PARAM_VALUE | 1 | sock | 4096-ptr_max |
| PARAM_VALUE | 1 | sock->sk->__sk_common.skc_refcnt.refs.counter | (-1073741824),0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 1 | sock | s32min-(-1),1-s32max |
| BUF_SIZE | 1 | sock | s32min-(-1),1-s32max |
| CAPPED_DATA | 0 | skb->dev->hard_header_len | 1 |
| DATA_SOURCE | 0 | skb | r sock_wmalloc |
| DATA_SOURCE | 1 | sock | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 0 | skb->sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->truesize | |
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | sk |
net/packet/af_packet.c packet_snd() -> packet_parse_headers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->destructor | 0,5871617288306880512,7346051344949997568 |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->flags | 1-u32max |
| PARAM_VALUE | 0 | skb->dev->refcnt_tracker.list.next | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->len | 1-u32max |
| PARAM_VALUE | 0 | skb->sk | 0,4096-ptr_max |
| PARAM_VALUE | 0 | skb->skb_mstamp_ns | 0 |
| PARAM_VALUE | 0 | skb->tstamp | 0 |
| PARAM_VALUE | 0 | skb->tstamp_type | 0 |
| PARAM_VALUE | 1 | sock | 4096-ptr_max |
| PARAM_VALUE | 1 | sock->sk | 4096-ptr_max |
| PARAM_VALUE | 1 | sock->sk->__sk_common.skc_refcnt.refs.counter | (-1073741824),0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 1 | sock | s32min-(-1),1-s32max |
| BUF_SIZE | 1 | sock | s32min-(-1),1-s32max |
| CAPPED_DATA | 0 | skb->data_len | 1 |
| DATA_SOURCE | 0 | skb | r packet_alloc_skb |
| DATA_SOURCE | 1 | sock | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | skb->data_len | 0-u32max[c] |
| HOST_DATA | 0 | skb->len | 1-u32max[c] |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_backlog.len | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->end | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->len | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->next->end | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->next->len | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->next->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_receive_queue.prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->prev->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->prev->truesize | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->tail | |
| NO_OVERFLOW_SIMPLE | 1 | sock->sk->sk_write_queue.next->truesize | |
| HALF_LOCKED2 | &vq->mutex |
net/packet/af_packet.c tpacket_fill_skb() -> packet_parse_headers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | skb | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->data_len | 0-s32max |
| PARAM_VALUE | 0 | skb->dev | 4096-ptr_max |
| PARAM_VALUE | 0 | skb->dev->flags | 1-u32max |
| PARAM_VALUE | 0 | skb->len | 1-u32max |
| PARAM_VALUE | 0 | skb->skb_mstamp_ns | 0 |
| PARAM_VALUE | 0 | skb->tstamp | 0 |
| PARAM_VALUE | 0 | skb->tstamp_type | 0 |
| PARAM_VALUE | 1 | sock | 4096-ptr_max |
| BUF_SIZE | 0 | skb | 0-s32max |
| BUF_SIZE | 0 | skb | 0-s32max |
| CAPPED_DATA | 0 | skb->data_len | 1 |
| DATA_SOURCE | 0 | skb | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| HOST_DATA | 0 | skb->data_len | 0-2147483645[c] |
| LOCK2 | &po->pg_vec_lock | ||
| HALF_LOCKED2 | &vq->mutex | ||
| HALF_LOCKED2 | sk | ||
| TYPE_LOCK | (struct packet_sock)->pg_vec_lock |