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Defined in 1 files as a prototype:

Defined in 2 files as a function:

Referenced in 5 files:

Smatch caller information:

net/ipv4/netfilter/nf_reject_ipv4.c nf_send_reset() -> nf_ct_attach()

Type Parameter Key Value
PARAM_VALUE 0 new 4096-ptr_max
PARAM_VALUE 0 new->_skb_refdst 0-18446744073709547520
PARAM_VALUE 0 new->csum_offset 16
PARAM_VALUE 0 new->data 4096-ptr_max
PARAM_VALUE 0 new->data_len 0
PARAM_VALUE 0 new->ip_summed 3
PARAM_VALUE 0 new->protocol 2048
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->csum_complete_sw 1
PARAM_VALUE 1 skb->dev 4096-ptr_max
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 1 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 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 1 *skb->dev->name 0-255
BUF_SIZE 0 new 168
BUF_SIZE 0 new 168
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
CAPPED_DATA 0 new->len 1
DATA_SOURCE 0 new r alloc_skb
DATA_SOURCE 1 skb $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_len 0-u32max[c]
HOST_DATA 1 skb->len 0-u32max[c]
HOST_DATA 1 skb->prev->csum_offset 0-u16max
HOST_DATA 1 skb->prev->data_len 0-u32max[c]
HOST_DATA 1 skb->prev->len 0-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->protocol 1-255
HOST_DATA 1 skb->truesize 0-u32max
HOST_DATA 1 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 skb->data_len
NO_OVERFLOW_SIMPLE 1 skb->dev->group
NO_OVERFLOW_SIMPLE 1 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb->end
NO_OVERFLOW_SIMPLE 1 skb->extensions
NO_OVERFLOW_SIMPLE 1 skb->len
NO_OVERFLOW_SIMPLE 1 skb->next->end
NO_OVERFLOW_SIMPLE 1 skb->next->len
NO_OVERFLOW_SIMPLE 1 skb->prev->end
NO_OVERFLOW_SIMPLE 1 skb->prev->len
NO_OVERFLOW_SIMPLE 1 skb->prev->tail
NO_OVERFLOW_SIMPLE 1 skb->prev->truesize
NO_OVERFLOW_SIMPLE 1 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb->tail
NO_OVERFLOW_SIMPLE 1 skb->truesize

net/ipv4/icmp.c icmp_glue_bits() -> nf_ct_attach()

Type Parameter Key Value
PARAM_VALUE 0 new 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
DATA_SOURCE 0 new $5
NOCHECK_CALL
UNITS 1 skb unit_byte

net/ipv6/netfilter/nf_reject_ipv6.c nf_send_reset6() -> nf_ct_attach()

Type Parameter Key Value
PARAM_VALUE 0 new 4096-ptr_max
PARAM_VALUE 0 new->_skb_refdst 4096-18446744073709547520
PARAM_VALUE 0 new->data 4096-ptr_max
PARAM_VALUE 0 new->data_len 0
PARAM_VALUE 0 new->protocol 34525
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->csum_complete_sw 1
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 skb->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 1 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 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 1 *skb->dev->name 0-255
BUF_SIZE 0 new 0-s32max
BUF_SIZE 0 new 0-s32max
BUF_SIZE 1 skb (-1)-s32max
BUF_SIZE 1 skb (-1)-s32max
DATA_SOURCE 0 new r alloc_skb
DATA_SOURCE 1 skb $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 skb->csum_offset 0-u16max
HOST_DATA 1 skb->data_len 0-u32max[c]
HOST_DATA 1 skb->len 0-u32max[c]
HOST_DATA 1 skb->prev->csum_offset 0-u16max
HOST_DATA 1 skb->prev->data_len 0-u32max[c]
HOST_DATA 1 skb->prev->len 0-u32max[c]
HOST_DATA 1 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->protocol 1-255
HOST_DATA 1 skb->truesize 0-u32max
HOST_DATA 1 skb->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 skb->users.refs.counter s32min-0,2-s32max
HOST_DATA 1 *skb->data 0-255
NO_OVERFLOW_SIMPLE 1 skb->data_len
NO_OVERFLOW_SIMPLE 1 skb->dev->group
NO_OVERFLOW_SIMPLE 1 skb->dev->num_tc
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_rx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.rx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE 1 skb->dev->tx_queue_len
NO_OVERFLOW_SIMPLE 1 skb->end
NO_OVERFLOW_SIMPLE 1 skb->extensions
NO_OVERFLOW_SIMPLE 1 skb->len
NO_OVERFLOW_SIMPLE 1 skb->next->end
NO_OVERFLOW_SIMPLE 1 skb->next->len
NO_OVERFLOW_SIMPLE 1 skb->prev->end
NO_OVERFLOW_SIMPLE 1 skb->prev->len
NO_OVERFLOW_SIMPLE 1 skb->prev->tail
NO_OVERFLOW_SIMPLE 1 skb->prev->truesize
NO_OVERFLOW_SIMPLE 1 skb->sk->sk_backlog.len
NO_OVERFLOW_SIMPLE 1 skb->tail
NO_OVERFLOW_SIMPLE 1 skb->truesize

net/ipv6/icmp.c icmpv6_getfrag() -> nf_ct_attach()

Type Parameter Key Value
PARAM_VALUE 0 new 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
DATA_SOURCE 0 new $5
NOCHECK_CALL
UNITS 1 skb unit_byte