r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
recvmsg(r0, &(0x7f0000000400)={&(0x7f0000000040)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private2}}}, 0x80, &(0x7f0000000380)=[{0x0}, {0x0}], 0x2}, 0x2040)