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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

net/ipv4/tcp_input.c tcp_skb_shift() -> skb_shift()

Type Parameter Key Value
PARAM_VALUE 0 tgt 4096-ptr_max
PARAM_VALUE 0 tgt->cb 4096-ptr_max
PARAM_VALUE 0 tgt->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 tgt->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 tgt->dev->ndisc_ops->fill_addr_option 9149257602806276096
PARAM_VALUE 0 tgt->dev->ndisc_ops->parse_options 4570881757937598464
PARAM_VALUE 0 tgt->dev->ndisc_ops->update 8455145027589103616
PARAM_VALUE 0 tgt->dev->rtnl_link_ops->priv_size 0,8,32,40,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3552,3720,9688-u64max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 1 skb->dev->ndisc_ops->fill_addr_option 4096-ptr_max
DATA_SOURCE 0 tgt $0
DATA_SOURCE 1 skb $1
DATA_SOURCE 2 shiftlen $3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 1 skb->next->data_len 0-u32max[c]
HOST_DATA 1 skb->next->prev->data_len 0-u32max[c]
NO_OVERFLOW_SIMPLE 0 tgt->sk->sk_backlog.len
UNITS 2 shiftlen unit_byte
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_output.c tcp_grow_skb() -> skb_shift()

Type Parameter Key Value
PARAM_VALUE 0 tgt 4096-ptr_max
PARAM_VALUE 0 tgt->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 0 tgt->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 0 tgt->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 0 tgt->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 0 tgt->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 0 tgt->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 0 tgt->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 0 tgt->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 0 tgt->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 0 tgt->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 0 tgt->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 tgt->next 4096-ptr_max
PARAM_VALUE 1 skb 4096-ptr_max
PARAM_VALUE 2 shiftlen 1-s32max
CAPPED_DATA 2 shiftlen 1
DATA_SOURCE 0 tgt $1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 tgt->next->data_len 0-u32max[c]
HOST_DATA 0 tgt->next->prev->csum_offset 0-u16max
HOST_DATA 0 tgt->next->prev->data_len 0-u32max[c]
HOST_DATA 0 tgt->next->prev->len 0-u32max[c]
HOST_DATA 0 tgt->next->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 tgt->prev->csum_offset 0-u16max
HOST_DATA 0 tgt->prev->data_len 0-u32max[c]
HOST_DATA 0 tgt->prev->len 0-u32max[c]
HOST_DATA 0 tgt->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *tgt->data 0-255
HOST_DATA 1 skb->data_len 0-u32max[c]
UNITS 1 skb unit_byte
UNITS 2 shiftlen unit_byte
HALF_LOCKED2 &sk->sk_callback_lock
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk