Open Menu /

Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

net/ipv4/tcp_ipv4.c tcp_skb_can_collapse_rx() -> skb_cmp_decrypted()

Type Parameter Key Value
PARAM_VALUE 0 skb1 4096-ptr_max
PARAM_VALUE 1 skb2 4096-ptr_max
BUF_SIZE 1 skb2 (-1)-s32max
BUF_SIZE 1 skb2 (-1)-s32max
CAPPED_DATA 1 skb2 1
CAPPED_DATA 1 skb2->len 1
DATA_SOURCE 0 skb1 $0
DATA_SOURCE 1 skb2 $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb2->csum 0-4294967040[c]
HOST_DATA 1 skb2->csum_offset 0-u16max
HOST_DATA 1 skb2->prev->csum_offset 0-u16max
HOST_DATA 1 skb2->prev->data_len 0-u32max[c]
HOST_DATA 1 skb2->prev->len 1-u32max[c]
HOST_DATA 1 skb2->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb2->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb2->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *skb2->data 0-255
NO_OVERFLOW_SIMPLE 1 skb2->data_len
NO_OVERFLOW_SIMPLE 1 skb2->dev->group
NO_OVERFLOW_SIMPLE 1 skb2->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb2->dev->proto_down
NO_OVERFLOW_SIMPLE 1 skb2->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb2->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb2->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 skb2->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb2->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb2->end
NO_OVERFLOW_SIMPLE 1 skb2->len
NO_OVERFLOW_SIMPLE 1 skb2->next->end
NO_OVERFLOW_SIMPLE 1 skb2->next->len
NO_OVERFLOW_SIMPLE 1 skb2->next->tail
NO_OVERFLOW_SIMPLE 1 skb2->next->truesize
NO_OVERFLOW_SIMPLE 1 skb2->prev->data_len
NO_OVERFLOW_SIMPLE 1 skb2->prev->end
NO_OVERFLOW_SIMPLE 1 skb2->prev->len
NO_OVERFLOW_SIMPLE 1 skb2->prev->tail
NO_OVERFLOW_SIMPLE 1 skb2->prev->truesize
NO_OVERFLOW_SIMPLE 1 skb2->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb2->tail
NO_OVERFLOW_SIMPLE 1 skb2->truesize
UNITS 0 skb1 unit_byte
UNITS 1 skb2 unit_byte
LOCK2 &sk->sk_lock.slock
TYPE_LOCK (struct socket_lock_t)->slock

net/core/skbuff.c skb_shift() -> skb_cmp_decrypted()

Type Parameter Key Value
PARAM_VALUE 0 skb1 4096-ptr_max
PARAM_VALUE 1 skb2 4096-ptr_max
DATA_SOURCE 0 skb1 $0
DATA_SOURCE 1 skb2 $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb1->next->prev->csum_offset 0-u16max
HOST_DATA 0 skb1->next->prev->data_len 0-u32max[c]
HOST_DATA 0 skb1->next->prev->len 1-u32max[c]
HOST_DATA 0 skb1->next->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 skb1->prev->csum_offset 0-u16max
HOST_DATA 0 skb1->prev->data_len 0-u32max[c]
HOST_DATA 0 skb1->prev->len 1-u32max[c]
HOST_DATA 0 skb1->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb1->data 0-255
NO_OVERFLOW_SIMPLE 0 skb1->sk->sk_backlog.len
UNITS 1 skb2 unit_byte
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_offload.c tcp_gro_receive() -> skb_cmp_decrypted()

Type Parameter Key Value
PARAM_VALUE 0 skb1 4096-ptr_max
PARAM_VALUE 1 skb2 4096-ptr_max
BUF_SIZE 1 skb2 (-1)-s32max
BUF_SIZE 1 skb2 (-1)-s32max
BUF_SIZE 1 skb2->dev s32min-(-1),1-s32max
DATA_SOURCE 0 skb1 r tcp_gro_lookup
DATA_SOURCE 1 skb2 $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb2->napi_id 0-u32max
NO_OVERFLOW_SIMPLE 1 skb2->data_len
NO_OVERFLOW_SIMPLE 1 skb2->dev->group
NO_OVERFLOW_SIMPLE 1 skb2->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb2->dev->proto_down
NO_OVERFLOW_SIMPLE 1 skb2->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb2->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb2->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb2->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb2->end
NO_OVERFLOW_SIMPLE 1 skb2->len
NO_OVERFLOW_SIMPLE 1 skb2->tail
UNITS 1 skb2 unit_byte
HALF_LOCKED2 rcu_read

net/ipv4/tcp_input.c tcp_skb_can_collapse_rx() -> skb_cmp_decrypted()

Type Parameter Key Value
PARAM_VALUE 0 skb1 4096-ptr_max
PARAM_VALUE 1 skb2 4096-ptr_max
BUF_SIZE 1 skb2 (-1)-s32max
BUF_SIZE 1 skb2 (-1)-s32max
CAPPED_DATA 1 skb2 1
DATA_SOURCE 0 skb1 $0
DATA_SOURCE 1 skb2 $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb2->csum 0-4294967040[c]
HOST_DATA 1 skb2->csum_offset 0-u16max
HOST_DATA 1 skb2->data_len 0-u32max[c]
HOST_DATA 1 skb2->len 2-241[c]
HOST_DATA 1 skb2->prev->csum_offset 0-u16max
HOST_DATA 1 skb2->prev->data_len 0-u32max[c]
HOST_DATA 1 skb2->prev->len 1-u32max[c]
HOST_DATA 1 skb2->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb2->truesize 0-u32max
HOST_DATA 1 skb2->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb2->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *skb2->data 0-255
NO_OVERFLOW_SIMPLE 0 skb1->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb2->data_len
NO_OVERFLOW_SIMPLE 1 skb2->dev->group
NO_OVERFLOW_SIMPLE 1 skb2->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb2->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb2->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb2->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 skb2->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb2->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb2->end
NO_OVERFLOW_SIMPLE 1 skb2->len
NO_OVERFLOW_SIMPLE 1 skb2->next->end
NO_OVERFLOW_SIMPLE 1 skb2->next->len
NO_OVERFLOW_SIMPLE 1 skb2->next->tail
NO_OVERFLOW_SIMPLE 1 skb2->next->truesize
NO_OVERFLOW_SIMPLE 1 skb2->prev->end
NO_OVERFLOW_SIMPLE 1 skb2->prev->len
NO_OVERFLOW_SIMPLE 1 skb2->prev->tail
NO_OVERFLOW_SIMPLE 1 skb2->prev->truesize
NO_OVERFLOW_SIMPLE 1 skb2->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb2->tail
NO_OVERFLOW_SIMPLE 1 skb2->truesize
UNITS 0 skb1 unit_byte
UNITS 1 skb2 unit_byte
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/tls/tls_strp.c tls_strp_check_queue_ok() -> skb_cmp_decrypted()

Type Parameter Key Value
PARAM_VALUE 0 skb1 4096-ptr_max
PARAM_VALUE 1 skb2 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 skb1 unit_byte
UNITS 1 skb2 unit_byte
HALF_LOCKED2 sk
HALF_LOCKED2 strp->sk

net/tls/tls_strp.c tls_strp_copyin() -> skb_cmp_decrypted()

Type Parameter Key Value
PARAM_VALUE 0 skb1 4096-ptr_max
PARAM_VALUE 1 skb2 4096-ptr_max
DATA_SOURCE 1 skb2 $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 rcu_read