r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
r1 = dup2(r0, r0)
sendmmsg$inet6(r1, &(0x7f0000002dc0)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000005c0)=[@tclass={{0x14}}], 0x18}}], 0x1, 0x0)