tcp_mark_skb_lost identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/net/tcp.h, line 2639 (as a prototype)

Defined in 1 files as a function:

net/ipv4/tcp_input.c, line 1329 (as a function)

Referenced in 2 files:

Smatch caller information:

net/ipv4/tcp_recovery.c tcp_newreno_mark_lost() -> tcp_mark_skb_lost()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->cb	4096-ptr_max
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	0	sk	1
CAPPED_DATA	1	skb	1
DATA_SOURCE	0	sk	$0
DATA_SOURCE	1	skb	r tcp_rtx_queue_head
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_receive_queue.prev->csum	0-65024[c]
HOST_DATA	0	sk->sk_receive_queue.prev->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->len	1-241[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum	0-65024[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->next->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->len	1-241[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->users.refs.counter	s32min-0,2-s32max
HOST_DATA	0	sk->sk_receive_queue.prev->users.refs.counter	s32min-0,2-s32max
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->truesize
NO_OVERFLOW_SIMPLE	1	skb->next->data_len
NO_OVERFLOW_SIMPLE	1	skb->next->len
NO_OVERFLOW_SIMPLE	1	skb->next->prev->data_len
NO_OVERFLOW_SIMPLE	1	skb->next->prev->len
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_recovery.c tcp_rack_detect_loss() -> tcp_mark_skb_lost()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
PARAM_VALUE	1	skb->cb	4096-ptr_max
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	1	&skb->tcp_tsorted_anchor	1
DATA_SOURCE	0	sk	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	sk->sk_receive_queue.prev->csum	0-65024[c]
HOST_DATA	0	sk->sk_receive_queue.prev->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->len	1-241[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum	0-65024[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->csum_offset	0-u16max
HOST_DATA	0	sk->sk_receive_queue.prev->next->data_len	0-u32max[c]
HOST_DATA	0	sk->sk_receive_queue.prev->next->len	1-241[c]
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->truesize
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_input.c tcp_rcv_fastopen_synack() -> tcp_mark_skb_lost()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	0	sk->__sk_common.skc_net.net	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
CAPPED_DATA	0	sk	1
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
CAPPED_DATA	0	sk->sk_dst_cache	1
DATA_SOURCE	0	sk	$0
NOCHECK_CALL

net/ipv4/tcp_input.c tcp_simple_retransmit() -> tcp_mark_skb_lost()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
BUF_SIZE	0	sk->__sk_common.skc_prot	(-1),448
CAPPED_DATA	0	sk	1
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
CAPPED_DATA	0	sk->sk_dst_cache	1
DATA_SOURCE	0	sk	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.head->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->len
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.tail->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->truesize
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	sk
HALF_LOCKED2	0	&sk->sk_lock.slock

net/ipv4/tcp_input.c tcp_timeout_mark_lost() -> tcp_mark_skb_lost()

Type	Parameter	Key	Value
PARAM_VALUE	0	sk	4096-ptr_max
PARAM_VALUE	1	skb	4096-ptr_max
CAPPED_DATA	0	sk->__sk_common.skc_net.net	1
DATA_SOURCE	0	sk	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	sk->sk_backlog.len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_receive_queue.prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->end
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->prev->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->tail
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->data_len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->len
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->next->truesize
NO_OVERFLOW_SIMPLE	0	sk->sk_write_queue.prev->truesize
UNITS	0	sk	unit_byte
HALF_LOCKED2	0	&sk->sk_lock.slock