skb_prepare_seq_read identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

net/core/skbuff.c, line 4393

Defined in 1 files as a prototype:

include/linux/skbuff.h, line 1495 (as a prototype)

Defined in 1 files as a function:

net/core/skbuff.c, line 4403 (as a function)

Referenced in 4 files:

Smatch caller information:

net/xfrm/xfrm_iptfs.c __input_process_payload() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	1	from	0-4294967294
PARAM_VALUE	2	to	1-u32max
PARAM_VALUE	3	st	5021221164563156992
PARAM_VALUE	3	st->root_skb	4096-ptr_max
PARAM_VALUE	3	st->stepped_offset	1-u32max
PARAM_VALUE	3	st->upper_offset	1-u32max
CAPPED_DATA	1	from	1
DATA_SOURCE	1	from	$1 [m]
DATA_SOURCE	3	st	$2
PARAM_COMPARE	1	from	< $2
PARAM_COMPARE	1	from	< $3->upper_offset
PARAM_COMPARE	2	to	> $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	from	4-s32max[c]
HOST_DATA	3	st->cur_skb->csum	0-126976[c]
HOST_DATA	3	st->cur_skb->csum_offset	0-u16max
HOST_DATA	3	st->cur_skb->data_len	0-u32max[c]
HOST_DATA	3	st->cur_skb->len	0-u32max[c]
HOST_DATA	3	st->cur_skb->truesize	0-u32max
HOST_DATA	3	st->cur_skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	3	st->cur_skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	3	st->upper_offset	40-2147483687[c]
USER_DATA	1	from	4-s32max[c]
USER_DATA	3	st->lower_offset	4-s32max[c]
NO_OVERFLOW_SIMPLE	3	st->cur_skb->data_len
NO_OVERFLOW_SIMPLE	3	st->cur_skb->tail
NO_OVERFLOW_SIMPLE	3	st->cur_skb->truesize
NO_OVERFLOW_SIMPLE	3	st->upper_offset
UNITS	1	from	unit_byte
UNITS	2	to	unit_byte

net/xfrm/xfrm_iptfs.c __input_process_payload() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	1	from	0
PARAM_VALUE	3	st	5021221164563156992
PARAM_VALUE	3	st->stepped_offset	0
DATA_SOURCE	3	st	$2
BIT_INFO	0	skb->protocol	0x0,0x8edd
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	3	st->cur_skb->csum	0-126976[c]
HOST_DATA	3	st->cur_skb->csum_offset	0-u16max
HOST_DATA	3	st->cur_skb->data_len	0-u32max[c]
HOST_DATA	3	st->cur_skb->len	0-u32max[c]
HOST_DATA	3	st->cur_skb->truesize	0-u32max
HOST_DATA	3	st->cur_skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	3	st->cur_skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	3	st->upper_offset	40-2147483687[c]
USER_DATA	3	st->lower_offset	4-s32max[c]
NO_OVERFLOW_SIMPLE	0	skb->dev->group
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	3	st->cur_skb->data_len
NO_OVERFLOW_SIMPLE	3	st->cur_skb->tail
NO_OVERFLOW_SIMPLE	3	st->cur_skb->truesize
NO_OVERFLOW_SIMPLE	3	st->upper_offset
UNITS	1	from	unit_byte
UNITS	2	to	unit_byte

net/xfrm/xfrm_iptfs.c iptfs_copy_create_frags() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-6248339207923081216
PARAM_VALUE	1	from	0
PARAM_VALUE	2	to	2-u32max
PARAM_VALUE	3	st	3537385581009248256
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	2	to	unit_byte
HALF_LOCKED2		irq

net/xfrm/xfrm_iptfs.c iptfs_input_ordered() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	1	from	0
PARAM_VALUE	3	st	5021221164563156992
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb->dev	s32min-(-1),1-s32max
DATA_SOURCE	0	skb	$1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	skb->csum	0-4294967040[c]
HOST_DATA	0	skb->csum_offset	0-u16max
HOST_DATA	0	skb->data_len	0-u32max[c]
HOST_DATA	0	skb->len	0-u32max[c]
HOST_DATA	0	skb->napi_id	0-u32max
HOST_DATA	0	skb->prev->csum_offset	0-u16max
HOST_DATA	0	skb->prev->data_len	0-u32max[c]
HOST_DATA	0	skb->prev->len	1-u32max[c]
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->truesize	0-u32max
HOST_DATA	0	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*skb->data	0-255
HOST_DATA	2	to	0-u32max[c]
NO_OVERFLOW_SIMPLE	0	skb->data_len
NO_OVERFLOW_SIMPLE	0	skb->dev->group
NO_OVERFLOW_SIMPLE	0	skb->dev->num_tc
NO_OVERFLOW_SIMPLE	0	skb->dev->proto_down
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	0	skb->end
NO_OVERFLOW_SIMPLE	0	skb->len
NO_OVERFLOW_SIMPLE	0	skb->next->end
NO_OVERFLOW_SIMPLE	0	skb->next->len
NO_OVERFLOW_SIMPLE	0	skb->next->tail
NO_OVERFLOW_SIMPLE	0	skb->next->truesize
NO_OVERFLOW_SIMPLE	0	skb->prev->end
NO_OVERFLOW_SIMPLE	0	skb->prev->len
NO_OVERFLOW_SIMPLE	0	skb->prev->tail
NO_OVERFLOW_SIMPLE	0	skb->prev->truesize
NO_OVERFLOW_SIMPLE	0	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
NO_OVERFLOW_SIMPLE	2	to
UNITS	0	skb	unit_byte
UNITS	2	to	unit_byte

net/core/skbuff.c skb_find_text() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	3	st	4259267498826035204
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
DATA_SOURCE	0	skb	$0
DATA_SOURCE	1	from	$1
DATA_SOURCE	2	to	$2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	skb->csum	0-192512[c]
HOST_DATA	0	skb->csum_offset	0-u16max
HOST_DATA	0	skb->data_len	0-u32max[c]
HOST_DATA	0	skb->len	0-u32max[c]
HOST_DATA	0	skb->prev->csum_offset	0-u16max
HOST_DATA	0	skb->prev->data_len	0-u32max[c]
HOST_DATA	0	skb->prev->len	1-u32max[c]
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->protocol	1-255
HOST_DATA	0	skb->truesize	0-u32max
HOST_DATA	0	skb->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	*skb->data	0-255
NO_OVERFLOW_SIMPLE	0	skb->data_len
NO_OVERFLOW_SIMPLE	0	skb->dev->group
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE	0	skb->end
NO_OVERFLOW_SIMPLE	0	skb->len
NO_OVERFLOW_SIMPLE	0	skb->prev->end
NO_OVERFLOW_SIMPLE	0	skb->prev->len
NO_OVERFLOW_SIMPLE	0	skb->prev->tail
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
UNITS	1	from	unit_byte
UNITS	2	to	unit_byte

drivers/target/iscsi/cxgbit/cxgbit_target.c cxgbit_skb_copy_to_sg() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	3	st	6498572989528694784
DATA_SOURCE	0	skb	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	from	unit_byte
UNITS	2	to	unit_byte

drivers/scsi/libiscsi_tcp.c iscsi_tcp_recv_skb() -> skb_prepare_seq_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	3	st	2001085521716449280
CAPPED_DATA	0	skb	1
DATA_SOURCE	0	skb	$1
DATA_SOURCE	1	from	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	from
UNITS	1	from	unit_byte
UNITS	2	to	unit_byte
HALF_LOCKED2		&csk->lock
HALF_LOCKED2		bh