r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r1 = dup2(r0, r0)
vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000000)="18", 0x1}], 0x1, 0x0)