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| 1 | +use arbitrary::Arbitrary; |
| 2 | +use bincode::enc::write::Writer; |
| 3 | +use cairo_vm::cairo_run::{self, EncodeTraceError}; |
| 4 | +use cairo_vm::hint_processor::builtin_hint_processor::builtin_hint_processor_definition::BuiltinHintProcessor; |
| 5 | +use cairo_vm::vm::errors::cairo_run_errors::CairoRunError; |
| 6 | +use cairo_vm::vm::errors::trace_errors::TraceError; |
| 7 | +use cairo_vm::vm::errors::vm_errors::VirtualMachineError; |
| 8 | +use honggfuzz::fuzz; |
| 9 | +use std::fmt; |
| 10 | +use std::io::{self, Write}; |
| 11 | +use std::path::PathBuf; |
| 12 | +use thiserror::Error; |
| 13 | + |
| 14 | +#[cfg(feature = "with_mimalloc")] |
| 15 | +use mimalloc::MiMalloc; |
| 16 | + |
| 17 | +#[cfg(feature = "with_mimalloc")] |
| 18 | +#[global_allocator] |
| 19 | +static ALLOC: MiMalloc = MiMalloc; |
| 20 | + |
| 21 | +#[derive(Debug, Arbitrary)] |
| 22 | +struct Args { |
| 23 | + program_content: Vec<u8>, |
| 24 | + trace_file: Option<PathBuf>, |
| 25 | + print_output: bool, |
| 26 | + entrypoint: String, |
| 27 | + memory_file: Option<PathBuf>, |
| 28 | + layout: Layout, |
| 29 | + proof_mode: bool, |
| 30 | + secure_run: Option<bool>, |
| 31 | +} |
| 32 | + |
| 33 | +#[derive(Debug, Arbitrary)] |
| 34 | +enum Layout { |
| 35 | + Plain, |
| 36 | + Small, |
| 37 | + Dex, |
| 38 | + Starknet, |
| 39 | + StarknetWithKeccak, |
| 40 | + RecursiveLargeOutput, |
| 41 | + AllCairo, |
| 42 | + AllSolidity, |
| 43 | + Dynamic, |
| 44 | +} |
| 45 | + |
| 46 | +impl fmt::Display for Layout { |
| 47 | + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 48 | + match self { |
| 49 | + Layout::Plain => write!(f, "plain"), |
| 50 | + Layout::Small => write!(f, "small"), |
| 51 | + Layout::Dex => write!(f, "dex"), |
| 52 | + Layout::Starknet => write!(f, "starknet"), |
| 53 | + Layout::StarknetWithKeccak => write!(f, "starknet_with_keccak"), |
| 54 | + Layout::RecursiveLargeOutput => write!(f, "recursive_large_output"), |
| 55 | + Layout::AllCairo => write!(f, "all_cairo"), |
| 56 | + Layout::AllSolidity => write!(f, "all_solidity"), |
| 57 | + Layout::Dynamic => write!(f, "dynamic"), |
| 58 | + } |
| 59 | + } |
| 60 | +} |
| 61 | + |
| 62 | +#[derive(Debug, Error)] |
| 63 | +enum Error { |
| 64 | + #[error("Failed to interact with the file system")] |
| 65 | + IO(#[from] std::io::Error), |
| 66 | + #[error("The cairo program execution failed")] |
| 67 | + Runner(#[from] CairoRunError), |
| 68 | + #[error(transparent)] |
| 69 | + EncodeTrace(#[from] EncodeTraceError), |
| 70 | + #[error(transparent)] |
| 71 | + VirtualMachine(#[from] VirtualMachineError), |
| 72 | + #[error(transparent)] |
| 73 | + Trace(#[from] TraceError), |
| 74 | +} |
| 75 | + |
| 76 | +struct FileWriter { |
| 77 | + buf_writer: io::BufWriter<std::fs::File>, |
| 78 | + bytes_written: usize, |
| 79 | +} |
| 80 | + |
| 81 | +impl Writer for FileWriter { |
| 82 | + fn write(&mut self, bytes: &[u8]) -> Result<(), bincode::error::EncodeError> { |
| 83 | + self.buf_writer |
| 84 | + .write_all(bytes) |
| 85 | + .map_err(|e| bincode::error::EncodeError::Io { |
| 86 | + inner: e, |
| 87 | + index: self.bytes_written, |
| 88 | + })?; |
| 89 | + |
| 90 | + self.bytes_written += bytes.len(); |
| 91 | + |
| 92 | + Ok(()) |
| 93 | + } |
| 94 | +} |
| 95 | + |
| 96 | +impl FileWriter { |
| 97 | + fn new(buf_writer: io::BufWriter<std::fs::File>) -> Self { |
| 98 | + Self { |
| 99 | + buf_writer, |
| 100 | + bytes_written: 0, |
| 101 | + } |
| 102 | + } |
| 103 | + |
| 104 | + fn flush(&mut self) -> io::Result<()> { |
| 105 | + self.buf_writer.flush() |
| 106 | + } |
| 107 | +} |
| 108 | + |
| 109 | +fn run(args: Args) -> Result<(), Error> { |
| 110 | + let trace_enabled = args.trace_file.is_some(); |
| 111 | + let mut hint_executor = BuiltinHintProcessor::new_empty(); |
| 112 | + let cairo_run_config = cairo_run::CairoRunConfig { |
| 113 | + entrypoint: &args.entrypoint, |
| 114 | + trace_enabled, |
| 115 | + relocate_mem: args.memory_file.is_some(), |
| 116 | + layout: &args.layout.to_string(), |
| 117 | + proof_mode: args.proof_mode, |
| 118 | + secure_run: args.secure_run, |
| 119 | + }; |
| 120 | + |
| 121 | + let (cairo_runner, mut vm) = |
| 122 | + match cairo_run::cairo_run(&args.program_content, &cairo_run_config, &mut hint_executor) { |
| 123 | + Ok(runner) => runner, |
| 124 | + Err(error) => { |
| 125 | + eprintln!("{error}"); |
| 126 | + return Err(Error::Runner(error)); |
| 127 | + } |
| 128 | + }; |
| 129 | + |
| 130 | + if args.print_output { |
| 131 | + let mut output_buffer = "Program Output:\n".to_string(); |
| 132 | + vm.write_output(&mut output_buffer)?; |
| 133 | + print!("{output_buffer}"); |
| 134 | + } |
| 135 | + |
| 136 | + if let Some(trace_path) = args.trace_file { |
| 137 | + let relocated_trace = vm.get_relocated_trace()?; |
| 138 | + |
| 139 | + let trace_file = std::fs::File::create(trace_path)?; |
| 140 | + let mut trace_writer = |
| 141 | + FileWriter::new(io::BufWriter::with_capacity(3 * 1024 * 1024, trace_file)); |
| 142 | + |
| 143 | + cairo_run::write_encoded_trace(relocated_trace, &mut trace_writer)?; |
| 144 | + trace_writer.flush()?; |
| 145 | + } |
| 146 | + |
| 147 | + if let Some(memory_path) = args.memory_file { |
| 148 | + let memory_file = std::fs::File::create(memory_path)?; |
| 149 | + let mut memory_writer = |
| 150 | + FileWriter::new(io::BufWriter::with_capacity(5 * 1024 * 1024, memory_file)); |
| 151 | + |
| 152 | + cairo_run::write_encoded_memory(&cairo_runner.relocated_memory, &mut memory_writer)?; |
| 153 | + memory_writer.flush()?; |
| 154 | + } |
| 155 | + |
| 156 | + Ok(()) |
| 157 | +} |
| 158 | + |
| 159 | +fn main() { |
| 160 | + loop { |
| 161 | + fuzz!(|args: Args| { |
| 162 | + let _ = run(args); |
| 163 | + }); |
| 164 | + } |
| 165 | +} |
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