Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

net/packet/af_packet.c __virtio_net_hdr_to_skb() -> dev_parse_header_protocol()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->flags 1-u32max
PARAM_VALUE 0 skb->network_header 1-u16max
PARAM_VALUE 0 skb->protocol 0
PARAM_VALUE 0 skb->skb_mstamp_ns 0
PARAM_VALUE 0 skb->tstamp 0
PARAM_VALUE 0 skb->tstamp_type 0
BUF_SIZE 0 skb 0-s32max
BUF_SIZE 0 skb 0-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 1-u32max[c]
NO_OVERFLOW_SIMPLE 0 skb->sk->sk_backlog.len
HALF_LOCKED2 &po->pg_vec_lock
HALF_LOCKED2 &vq->mutex

net/packet/af_packet.c packet_parse_headers() -> dev_parse_header_protocol()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->dev 4096-ptr_max
PARAM_VALUE 0 skb->dev->flags 1-u32max
PARAM_VALUE 0 skb->protocol 0,3
PARAM_VALUE 0 skb->skb_mstamp_ns 0
PARAM_VALUE 0 skb->tstamp 0
PARAM_VALUE 0 skb->tstamp_type 0
BUF_SIZE 0 skb 0-s32max
BUF_SIZE 0 skb 0-s32max
DATA_SOURCE 0 skb $0
FUZZY_MAX 0 skb->protocol 3
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->data_len 0-u32max[c]
HOST_DATA 0 skb->len 1-u32max[c]
HALF_LOCKED2 &po->pg_vec_lock
HALF_LOCKED2 rcu_read

drivers/net/tap.c __virtio_net_hdr_to_skb() -> dev_parse_header_protocol()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->destructor 0,5871617288306880512,7346051344949997568
PARAM_VALUE 0 skb->network_header 1-u16max
PARAM_VALUE 0 skb->protocol 0
PARAM_VALUE 0 skb->sk 0,4096-ptr_max
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 rcu_read

drivers/net/tun.c __virtio_net_hdr_to_skb() -> dev_parse_header_protocol()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->network_header 1-u16max
PARAM_VALUE 0 skb->protocol 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read

drivers/net/virtio_net.c __virtio_net_hdr_to_skb() -> dev_parse_header_protocol()

Type Parameter Key Value
PARAM_VALUE 0 skb 4096-ptr_max
PARAM_VALUE 0 skb->network_header 1-u16max
PARAM_VALUE 0 skb->protocol 0
BUF_SIZE 0 skb (-1)-s32max
BUF_SIZE 0 skb (-1)-s32max
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 skb->len
NO_OVERFLOW_SIMPLE 0 skb->tail
HALF_LOCKED2 bh
HALF_LOCKED2 rcu_read