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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

net/ipv4/tcp_ipv4.c tcp_v4_rcv() -> inet_csk_reqsk_queue_drop_and_put()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__req_common.skc_listener->__sk_common.skc_state 0-5,7-255
PARAM_VALUE 0 sk->__req_common.skc_listener->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 sk->__req_common.skc_listener->ns_tracker->dead 0-1
PARAM_VALUE 0 sk->__req_common.skc_listener->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 sk->__req_common.skc_listener->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 sk->__req_common.skc_listener->sk_filter->rcu.func 1-u64max
PARAM_VALUE 0 sk->__req_common.skc_listener->sk_rcu.func 1-u64max
PARAM_VALUE 0 sk->__sk_common.skc_prot->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->__sk_common.skc_state 0-5,7-9,11-255
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_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->__req_common.skc_listener 4096-ptr_max
PARAM_VALUE 1 req->__req_common.skc_listener->__sk_common.skc_state 0-5,7-9,11-255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
UNITS 0 sk unit_byte
UNITS 1 req unit_byte
HALF_LOCKED2 rcu_read

net/ipv4/tcp_minisocks.c tcp_check_req() -> inet_csk_reqsk_queue_drop_and_put()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->__req_common.skc_listener 4096-ptr_max
DATA_SOURCE 1 req $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 sk unit_byte
UNITS 1 req unit_byte

net/ipv6/tcp_ipv6.c tcp_v6_rcv() -> inet_csk_reqsk_queue_drop_and_put()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->__req_common.skc_listener->__sk_common.skc_state 0-5,7-255
PARAM_VALUE 0 sk->__req_common.skc_listener->ns_tracker->alloc_stack_handle 0-4294967295
PARAM_VALUE 0 sk->__req_common.skc_listener->ns_tracker->dead 0-1
PARAM_VALUE 0 sk->__req_common.skc_listener->ns_tracker->free_stack_handle 0-4294967295
PARAM_VALUE 0 sk->__req_common.skc_listener->sk_bpf_storage->owner_refcnt.refs.counter s32min-s32max
PARAM_VALUE 0 sk->__req_common.skc_listener->sk_filter->rcu.func 1-u64max
PARAM_VALUE 0 sk->__req_common.skc_listener->sk_rcu.func 1-u64max
PARAM_VALUE 0 sk->__sk_common.skc_prot->owner->refcnt.counter 0-s32max
PARAM_VALUE 0 sk->__sk_common.skc_state 0-5,7-9,11-255
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_owner->refcnt.counter 0-s32max
PARAM_VALUE 1 req 4096-ptr_max
PARAM_VALUE 1 req->__req_common.skc_listener 4096-ptr_max
PARAM_VALUE 1 req->__req_common.skc_listener->__sk_common.skc_state 0-5,7-9,11-255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
UNITS 0 sk unit_byte
UNITS 1 req unit_byte

net/ipv4/inet_timewait_sock.c inet_twsk_purge() -> inet_csk_reqsk_queue_drop_and_put()

Type Parameter Key Value
PARAM_VALUE 1 req 4096-ptr_max
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 sk unit_byte
LOCK2 bh
LOCK2 global &pernet_ops_rwsem
LOCK2 global &tcp_exit_batch_mutex
HALF_LOCKED2 &pool->lock