skb_warn_bad_offload identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/netdevice.h, line 5492 (as a prototype)

Defined in 1 files as a function:

net/core/dev.c, line 3573 (as a function)

Referenced in 2 files:

Smatch caller information:

net/core/gso.c __skb_gso_segment() -> skb_warn_bad_offload()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->cb	4096-ptr_max
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	0	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	0	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	0	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	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	0	skb->ip_summed	0,2
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb->dev	s32min-(-1),1-s32max
CAPPED_DATA	0	skb	1
DATA_SOURCE	0	skb	$0
CONSTRAINT	0	skb->data_len	<=49
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->inner_protocol	1-255
HOST_DATA	0	skb->next->csum_offset	0-u16max
HOST_DATA	0	skb->next->data_len	0-u32max[c]
HOST_DATA	0	skb->next->len	1-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	0-u32max[c]
HOST_DATA	0	skb->prev->truesize	0-u32max
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	skb->protocol	1-255
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->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->data_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->data_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->prev->truesize
NO_OVERFLOW_SIMPLE	0	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
UNITS	0	skb	unit_byte
HALF_LOCKED2		rcu_read

net/core/dev.c gso_features_check() -> skb_warn_bad_offload()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->dev	4096-ptr_max
PARAM_VALUE	0	skb->dev->ethtool_ops->get_link_ext_state	0-9223372036854775807
PARAM_VALUE	0	skb->dev->ethtool_ops->get_mm_stats	0-9223372036854775807
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	0	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	0	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	0	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	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	0	skb->len	0-4294967294
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
CAPPED_DATA	0	skb	1
CAPPED_DATA	0	skb->len	1
DATA_SOURCE	0	skb	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	skb->csum	0-126976[c]
HOST_DATA	0	skb->csum_offset	0-u16max
HOST_DATA	0	skb->data_len	0-u32max[c]
HOST_DATA	0	skb->len	0-s32max[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	0-u32max[c]
HOST_DATA	0	skb->prev->truesize	0-u32max
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->prev->users.refs.counter	s32min-0,2-s32max
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->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->extensions
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->prev->data_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->prev->truesize
NO_OVERFLOW_SIMPLE	0	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
UNITS	0	skb	unit_byte
HALF_LOCKED2		&queue->tx_lock
HALF_LOCKED2		flags

net/core/dev.c skb_checksum_help() -> skb_warn_bad_offload()

Type	Parameter	Key	Value
PARAM_VALUE	0	skb	4096-ptr_max
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire	0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE	0	skb->dev->nd_net.net->ipv4.fqdir->f->qsize	0,304,320
PARAM_VALUE	0	skb->dev->ndisc_ops->fill_addr_option	4096-ptr_max
PARAM_VALUE	0	skb->dev->ndisc_ops->parse_options	4096-ptr_max
PARAM_VALUE	0	skb->dev->ndisc_ops->update	4096-ptr_max
PARAM_VALUE	0	skb->dev->rtnl_link_ops->maxtype	0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE	0	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	0	skb->ip_summed	0-1,3
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb	(-1)-s32max
BUF_SIZE	0	skb->dev	s32min-(-1),1-s32max
CAPPED_DATA	0	skb	1
DATA_SOURCE	0	skb	$0
PREEMPT_ADD
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->inner_protocol	1-255
HOST_DATA	0	skb->len	0-u32max[c]
HOST_DATA	0	skb->next->csum_offset	0-u16max
HOST_DATA	0	skb->next->data_len	0-u32max[c]
HOST_DATA	0	skb->next->len	1-u32max[c]
HOST_DATA	0	skb->next->prev->csum_offset	0-u16max
HOST_DATA	0	skb->next->prev->data_len	0-u32max[c]
HOST_DATA	0	skb->next->prev->len	1-u32max[c]
HOST_DATA	0	skb->next->prev->tstamp	500000002-4294967299794967295[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	0-u32max[c]
HOST_DATA	0	skb->prev->truesize	0-u32max
HOST_DATA	0	skb->prev->tstamp	500000002-4294967299794967295[c]
HOST_DATA	0	skb->prev->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	skb->protocol	1-255
HOST_DATA	0	skb->truesize	0-u32max
HOST_DATA	0	skb->tstamp	(-3794967293)-(-1),1-4294967308384901885[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->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->data_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->prev->truesize
NO_OVERFLOW_SIMPLE	0	skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	skb->tail
NO_OVERFLOW_SIMPLE	0	skb->truesize
UNITS	0	skb	unit_byte
HALF_LOCKED2		&xs->mutex
HALF_LOCKED2		rcu_read