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Defined in 2 files as a function:

Referenced in 1 files:

Smatch caller information:

net/ipv4/tcp_output.c tcp_fragment() -> mptcp_skb_ext_copy()

Type Parameter Key Value
PARAM_VALUE 0 to 4096-ptr_max
PARAM_VALUE 0 to->data 4096-ptr_max
PARAM_VALUE 0 to->ip_summed 3
PARAM_VALUE 0 to->tcp_tsorted_anchor.next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.next->next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev->next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev->prev 4096-ptr_max
PARAM_VALUE 1 from 4096-ptr_max
PARAM_VALUE 1 from->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 from->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 from->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 from->dev->ndisc_ops->parse_options 4570881757937598464
PARAM_VALUE 1 from->dev->ndisc_ops->update 8455145027589103616
PARAM_VALUE 1 from->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 from->dev->rtnl_link_ops->priv_size 0,8,32,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
BUF_SIZE 0 to 320
BUF_SIZE 0 to 320
CAPPED_DATA 1 from 1
DATA_SOURCE 0 to r tcp_stream_alloc_skb
DATA_SOURCE 1 from $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 from->next->data_len 0-u32max[c]
HOST_DATA 1 from->next->prev->data_len 0-u32max[c]
HALF_LOCKED2 &sk->sk_lock.slock

net/ipv4/tcp_output.c tcp_mtu_probe() -> mptcp_skb_ext_copy()

Type Parameter Key Value
PARAM_VALUE 0 to 4096-ptr_max
PARAM_VALUE 0 to->data 4096-ptr_max
PARAM_VALUE 0 to->ip_summed 3
PARAM_VALUE 0 to->nohdr 1
PARAM_VALUE 0 to->tcp_tsorted_anchor.next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.next->next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev->next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev->prev 4096-ptr_max
PARAM_VALUE 1 from 4096-ptr_max
BUF_SIZE 0 to 320
BUF_SIZE 0 to 320
DATA_SOURCE 0 to r tcp_stream_alloc_skb
DATA_SOURCE 1 from r tcp_send_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &sk->sk_callback_lock
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_output.c tso_fragment() -> mptcp_skb_ext_copy()

Type Parameter Key Value
PARAM_VALUE 0 to 4096-ptr_max
PARAM_VALUE 0 to->data 4096-ptr_max
PARAM_VALUE 0 to->ip_summed 3
PARAM_VALUE 0 to->tcp_tsorted_anchor.next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.next->next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev->next 4096-ptr_max
PARAM_VALUE 0 to->tcp_tsorted_anchor.prev->prev 4096-ptr_max
PARAM_VALUE 1 from 4096-ptr_max
PARAM_VALUE 1 from->dev->ethtool_ops->get_link_ext_state 0-s64max
PARAM_VALUE 1 from->dev->ethtool_ops->get_mm_stats 0-s64max
PARAM_VALUE 1 from->dev->ethtool_ops->rxfh_max_num_contexts 0-4294967295
PARAM_VALUE 1 from->dev->ethtool_ops->supported_coalesce_params 0-s64max
PARAM_VALUE 1 from->dev->nd_net.net->ipv4.fqdir->f->frag_expire 0,663510801442193408,1753052602134376448,4007388366431105024,8876081723503042560
PARAM_VALUE 1 from->dev->nd_net.net->ipv4.fqdir->f->qsize 0,304,320
PARAM_VALUE 1 from->dev->ndisc_ops->fill_addr_option 4096-ptr_max
PARAM_VALUE 1 from->dev->ndisc_ops->parse_options 4096-ptr_max
PARAM_VALUE 1 from->dev->ndisc_ops->update 4096-ptr_max
PARAM_VALUE 1 from->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 from->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 from->len 1-u32max
BUF_SIZE 0 to 320
BUF_SIZE 0 to 320
CAPPED_DATA 1 from->len 1
DATA_SOURCE 0 to r tcp_stream_alloc_skb
DATA_SOURCE 1 from $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 from->next->data_len 0-u32max[c]
HOST_DATA 1 from->next->prev->csum_offset 0-u16max
HOST_DATA 1 from->next->prev->data_len 0-u32max[c]
HOST_DATA 1 from->next->prev->len 0-u32max[c]
HOST_DATA 1 from->next->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 from->prev->csum_offset 0-u16max
HOST_DATA 1 from->prev->data_len 0-u32max[c]
HOST_DATA 1 from->prev->len 0-u32max[c]
HOST_DATA 1 from->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 1 *from->data 0-255
HALF_LOCKED2 &sk->sk_callback_lock
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk