Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

net/ipv4/tcp_ipv4.c tcp_v4_destroy_sock() -> sk_sockets_allocated_dec()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->sk_user_frags.xa_head 0
PARAM_VALUE 0 sk->tcp_retransmit_timer.entry.pprev 0
PARAM_VALUE 0 sk->tcp_retransmit_timer.flags 0-4194302
PARAM_VALUE 0 sk->tcp_retransmit_timer.function 0
PARAM_VALUE 0 sk->tcp_rtx_queue.rb_node 0,4096-ptr_max
BUF_SIZE 0 sk (-1),16,24,32,40,56,88,96,120,160,248,568,672,1040,1080,1216
BUF_SIZE 0 sk (-1),16,24,32,40,56,88,96,120,160,248,568,672,1040,1080,1216
BUF_SIZE 0 sk->__sk_common.skc_net.net (-1),1-s32max
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
BUF_SIZE 0 sk->sk_prot_creator (-1),448
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 sk->sk_receive_queue.prev->csum 0-126976[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 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->csum 0-126976[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 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->truesize 0-u32max
HOST_DATA 0 sk->sk_receive_queue.prev->truesize 0-u32max
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.head->truesize
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->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_prot_creator->twsk_prot->twsk_slab->object_size
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->data_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->data_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_security
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->data_len
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->data_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
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->__sk_common.skc_net.net->ipv4.ra_mutex
HALF_LOCKED2 0 &sk->__sk_common.skc_net.net->mctp.keys_lock
HALF_LOCKED2 0 &sk->sk_lock.slock

net/sctp/socket.c sctp_clone_sock() -> sk_sockets_allocated_dec()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_incoming_cpu 0
PARAM_VALUE 0 sk->__sk_common.skc_net.net->notrefcnt_tracker.dead 1
PARAM_VALUE 0 sk->__sk_common.skc_net.net->notrefcnt_tracker.quarantine.prev 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_net.net->refcnt_tracker.dead 1
PARAM_VALUE 0 sk->__sk_common.skc_node.pprev 0
PARAM_VALUE 0 sk->__sk_common.skc_prot 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_prot->sockets_allocated->counters 4096-ptr_max
PARAM_VALUE 0 sk->__sk_common.skc_prot->sockets_allocated->lock.dep_map->name 0-255
PARAM_VALUE 0 sk->__sk_common.skc_prot->sockets_allocated->lock.owner (-1)
PARAM_VALUE 0 sk->__sk_common.skc_prot->sockets_allocated->lock.owner_cpu u32max
PARAM_VALUE 0 sk->__sk_common.skc_rcv_wnd 0
PARAM_VALUE 0 sk->__sk_common.skc_rx_queue_mapping u16max
PARAM_VALUE 0 sk->__sk_common.skc_tw_rcv_nxt 0
PARAM_VALUE 0 sk->__sk_common.skc_tx_queue_mapping u16max
PARAM_VALUE 0 sk->ns_tracker 0,4096-ptr_max
PARAM_VALUE 0 sk->sk_backlog.head 0
PARAM_VALUE 0 sk->sk_backlog.len 0
PARAM_VALUE 0 sk->sk_backlog.rmem_alloc.counter 0
PARAM_VALUE 0 sk->sk_backlog.tail 0
PARAM_VALUE 0 sk->sk_bpf_storage 0
PARAM_VALUE 0 sk->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 sk->sk_callback_lock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_callback_lock.raw_lock.cnts.counter 0-s32max
PARAM_VALUE 0 sk->sk_cgrp_data.cgroup 4096-ptr_max
PARAM_VALUE 0 sk->sk_drop_counters 0,4096-ptr_max
PARAM_VALUE 0 sk->sk_drop_counters->drops0.counter 0
PARAM_VALUE 0 sk->sk_drop_counters->drops1.counter 0
PARAM_VALUE 0 sk->sk_drops.counter 0
PARAM_VALUE 0 sk->sk_dst_cache 0
PARAM_VALUE 0 sk->sk_dst_pending_confirm 0
PARAM_VALUE 0 sk->sk_err 0
PARAM_VALUE 0 sk->sk_err_soft 0
PARAM_VALUE 0 sk->sk_error_queue.next 4096-ptr_max
PARAM_VALUE 0 sk->sk_error_queue.prev 4096-ptr_max
PARAM_VALUE 0 sk->sk_error_queue.qlen 0
PARAM_VALUE 0 sk->sk_filter->rcu.func 1-u64max
PARAM_VALUE 0 sk->sk_filter->rcu.next 0
PARAM_VALUE 0 sk->sk_filter->refcnt.refs.counter (-1073741824),0-s32max
PARAM_VALUE 0 sk->sk_forward_alloc 0
PARAM_VALUE 0 sk->sk_ino 0
PARAM_VALUE 0 sk->sk_lock.dep_map->name 0-255
PARAM_VALUE 0 sk->sk_lock.owned 0
PARAM_VALUE 0 sk->sk_lock.wq.head.next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.next->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.prev 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->next 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.wq.head.prev->prev 4096-ptr_max
PARAM_VALUE 0 sk->sk_memcg 0
PARAM_VALUE 0 sk->sk_memcg->css.refcnt.data 0,4096-ptr_max
PARAM_VALUE 0 sk->sk_owner 0
PARAM_VALUE 0 sk->sk_owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_priority 0
PARAM_VALUE 0 sk->sk_prot_creator 4096-ptr_max
PARAM_VALUE 0 sk->sk_prot_creator->owner 0,4096-ptr_max
PARAM_VALUE 0 sk->sk_prot_creator->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->sk_prot_creator->slab 0,4096-ptr_max
PARAM_VALUE 0 sk->sk_rcu.func 1-u64max
PARAM_VALUE 0 sk->sk_rcu.next 0
PARAM_VALUE 0 sk->sk_receive_queue.next 4096-ptr_max
PARAM_VALUE 0 sk->sk_receive_queue.prev 4096-ptr_max
PARAM_VALUE 0 sk->sk_receive_queue.qlen 0
PARAM_VALUE 0 sk->sk_reserved_mem 0
PARAM_VALUE 0 sk->sk_reuseport_cb->rcu.next 0
PARAM_VALUE 0 sk->sk_send_head 0
PARAM_VALUE 0 sk->sk_socket 0
PARAM_VALUE 0 sk->sk_user_data 0
PARAM_VALUE 0 sk->sk_wmem_queued 0
PARAM_VALUE 0 sk->sk_wq 0
PARAM_VALUE 0 sk->sk_wq_raw 0
PARAM_VALUE 0 sk->sk_write_queue.next 4096-ptr_max
PARAM_VALUE 0 sk->sk_write_queue.prev 4096-ptr_max
PARAM_VALUE 0 sk->sk_write_queue.qlen 0
PARAM_VALUE 0 sk->sk_zckey.counter 0
CAPPED_DATA 0 sk 1
CAPPED_DATA 0 sk->__sk_common.skc_net.net 1
DATA_SOURCE 0 sk r sk_clone
RX_PATH
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
LOCK2 sk

net/sctp/socket.c sctp_destroy_sock() -> sk_sockets_allocated_dec()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
BUF_SIZE 0 sk (-1),16,24,32,40,56,88,96,120,160,248,568,672,1040,1080,1216
BUF_SIZE 0 sk (-1),16,24,32,40,56,88,96,120,160,248,568,672,1040,1080,1216
BUF_SIZE 0 sk->__sk_common.skc_net.net (-1),1-s32max
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
BUF_SIZE 0 sk->sk_prot_creator (-1),448
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 sk->sk_receive_queue.prev->csum 0-126976[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 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->csum 0-126976[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 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->truesize 0-u32max
HOST_DATA 0 sk->sk_receive_queue.prev->truesize 0-u32max
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.head->truesize
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->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_prot_creator->twsk_prot->twsk_slab->object_size
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->data_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->data_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_security
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->data_len
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->data_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
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->__sk_common.skc_net.net->ipv4.ra_mutex
HALF_LOCKED2 0 &sk->__sk_common.skc_net.net->mctp.keys_lock
HALF_LOCKED2 0 &sk->sk_lock.slock

net/mptcp/protocol.c mptcp_destroy() -> sk_sockets_allocated_dec()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
BUF_SIZE 0 sk (-1),16,24,32,40,56,88,96,120,160,248,568,672,1040,1080,1216
BUF_SIZE 0 sk (-1),16,24,32,40,56,88,96,120,160,248,568,672,1040,1080,1216
BUF_SIZE 0 sk->__sk_common.skc_net.net (-1),1-s32max
BUF_SIZE 0 sk->__sk_common.skc_prot (-1),448
BUF_SIZE 0 sk->sk_prot_creator (-1),448
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 sk->sk_receive_queue.prev->csum 0-126976[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 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->csum 0-126976[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 0-241,4294901762-u32max[c]
HOST_DATA 0 sk->sk_receive_queue.prev->next->truesize 0-u32max
HOST_DATA 0 sk->sk_receive_queue.prev->truesize 0-u32max
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.head->truesize
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->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_prot_creator->twsk_prot->twsk_slab->object_size
NO_OVERFLOW_SIMPLE 0 sk->sk_prot_creator->twsk_prot->twsk_slab->sheaf_capacity
NO_OVERFLOW_SIMPLE 0 sk->sk_receive_queue.prev->data_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->data_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_security
NO_OVERFLOW_SIMPLE 0 sk->sk_write_queue.next->data_len
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->data_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
HALF_LOCKED2 0 sk
HALF_LOCKED2 0 &sk->__sk_common.skc_net.net->ipv4.ra_mutex
HALF_LOCKED2 0 &sk->__sk_common.skc_net.net->mctp.keys_lock
HALF_LOCKED2 0 &sk->sk_lock.slock