r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r1 = fcntl$dupfd(r0, 0x0, r0)
sendmsg$nl_generic(r1, &(0x7f0000001840)={0x0, 0x0, &(0x7f0000001800)={0x0}}, 0x40000)