Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

net/core/skbuff.c skb_prepare_for_shift() -> skb_unclone_keeptruesize()

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 1 pri 2080
DATA_SOURCE 0 skb $0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->next->data_len 0-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 1-u32max[c]
HOST_DATA 0 skb->prev->tstamp 500000002-4294967299794967295[c]
HOST_DATA 0 *skb->data 0-255
NO_OVERFLOW_SIMPLE 0 skb->end
UNITS 0 skb unit_byte
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk

net/ipv4/tcp_output.c __tcp_retransmit_skb() -> skb_unclone_keeptruesize()

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 9149257602806276096
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4570881757937598464
PARAM_VALUE 0 skb->dev->ndisc_ops->update 8455145027589103616
PARAM_VALUE 0 skb->dev->rtnl_link_ops->maxtype 0-6,8-10,15,18,20,22,24,34,50
PARAM_VALUE 1 pri 2080
CAPPED_DATA 0 skb->len 1
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_lock.slock

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

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 4570881757937598464
PARAM_VALUE 0 skb->dev->ndisc_ops->update 8455145027589103616
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 0,8,32,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE 1 pri 2080
CAPPED_DATA 0 skb 1
DATA_SOURCE 0 skb $2
DATA_SOURCE 1 pri $5
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 skb->next->data_len 0-u32max[c]
HOST_DATA 0 skb->next->prev->data_len 0-u32max[c]
HALF_LOCKED2 &sk->sk_lock.slock

net/ipv4/tcp_output.c tcp_trim_head() -> skb_unclone_keeptruesize()

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 9149257602806276096
PARAM_VALUE 0 skb->dev->ndisc_ops->parse_options 4570881757937598464
PARAM_VALUE 0 skb->dev->ndisc_ops->update 8455145027589103616
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 0,8,32,48,56,88,112,120,144,160,224,240,256,296,616,624,728,736,744,1056,1128,1336,1616,2176,2240,2272,2560,3296,3544,3552,3720,9688-u64max
PARAM_VALUE 1 pri 2080
DATA_SOURCE 0 skb $1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &sk->sk_lock.slock
HALF_LOCKED2 sk