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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

net/core/skmsg.c sk_msg_recvmsg() -> __sk_msg_recvmsg()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 1 psock 4096-ptr_max
PARAM_VALUE 1 psock->refcnt.refs.counter (-1073741824),0-s32max
PARAM_VALUE 5 copied_from_self 0
BUF_SIZE 2 msg->msg_control (-1)-0,16-17,24
BUF_SIZE 2 msg->msg_name (-1)-0,12,128
CAPPED_DATA 0 sk 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 psock $1
DATA_SOURCE 2 msg $2
DATA_SOURCE 3 len $3
DATA_SOURCE 4 flags $4
NOSPEC 2 msg->msg_iter.count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 2 msg->msg_control 4096-ptr_max[c][u]
USER_DATA 2 msg->msg_control_user 4096-ptr_max[c][u]
USER_DATA 2 msg->msg_controllen 0-u64max
USER_DATA 2 msg->msg_flags 0-u32max[c]
USER_DATA 2 msg->msg_iter.count 0-u64max
USER_DATA 2 msg->msg_iter.iov_offset 0-u64max[c]
USER_DATA 2 *msg->msg_name s64min-s64max
USER_DATA 3 len s32min-s32max
USER_DATA 4 flags s32min-s32max
NO_OVERFLOW_SIMPLE 0 sk->sk_backlog.len
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_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
UNITS 0 sk unit_byte
UNITS 3 len unit_byte
HALF_LOCKED2 &u->iolock
HALF_LOCKED2 0 sk

net/ipv4/tcp_bpf.c tcp_bpf_recvmsg_parser() -> __sk_msg_recvmsg()

Type Parameter Key Value
PARAM_VALUE 0 sk 4096-ptr_max
PARAM_VALUE 0 sk->sk_lock.owned 1
PARAM_VALUE 0 sk->sk_lock.slock.rlock.dep_map->name 0-255
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->next->next 4096-ptr_max
PARAM_VALUE 1 psock 4096-ptr_max
PARAM_VALUE 1 psock->refcnt.refs.counter (-1073741824),0-s32max
PARAM_VALUE 5 copied_from_self 8965506677074915328
BUF_SIZE 2 msg->msg_control (-1)-0,16-17,24
BUF_SIZE 2 msg->msg_name (-1)-0,12,128
CAPPED_DATA 0 &sk->sk_receive_queue 1
DATA_SOURCE 0 sk $0
DATA_SOURCE 1 psock r sk_psock_get
DATA_SOURCE 2 msg $1
DATA_SOURCE 3 len $2
DATA_SOURCE 4 flags $3
BIT_INFO 4 flags 0x0,0xffffdfff
NOSPEC 2 msg->msg_iter.count
RX_PATH
TASK_NOT_RUNNING
USER_DATA 2 msg->msg_control 4096-ptr_max[c][u]
USER_DATA 2 msg->msg_control_user 4096-ptr_max[c][u]
USER_DATA 2 msg->msg_controllen 0-u64max
USER_DATA 2 msg->msg_flags 0-u32max[c]
USER_DATA 2 msg->msg_iter.count 0-u64max
USER_DATA 2 msg->msg_iter.iov_offset 0-u64max[c]
USER_DATA 2 *msg->msg_name s64min-s64max
USER_DATA 3 len s32min-s32max
USER_DATA 4 flags s32min-s32max
USER_DATA 5 *copied_from_self s32min-s32max[u]
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
UNITS 0 sk unit_byte
UNITS 3 len unit_byte
USER_PTR 5 copied_from_self
LOCK2 0 sk