r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
sendmsg$sock(r0, &(0x7f0000001500)={0x0, 0x0, 0x0, 0x0, &(0x7f00000014c0)=[@mark={{0x14}}], 0x18}, 0x0)