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snforge

Foundry Version

0.52.0

What operating system are you using?

Linux

What system architecture are you using?

x86

Issue Description

When running test with #[fuzzer] if an input item has a member of ByteArray that contain bytes outside of the range of printable ascii characters (32 to 127) the thread panics. The bytes are displayable by cairo fmt as escaped bytes and dont panic at the cairo level, only at the rust level.

Ascii characters allowed: 9, 10, 12, 13 and 32 to 126 (inclusive).

Command Line Output

"\0\x01\x02\x03\x04\x05\x06\x07\x08
\x0b
\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !"#$%&'()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[]^_`abcdefghijklmnopqrstuvwxyz{|}~"

thread 'tokio-runtime-worker' (1853670) panicked at /rust/lib/rustlib/src/rust/library/alloc/src/string.rs:2821:14:
a Display implementation returned an error unexpectedly: Error
stack backtrace:
0: __rustc::rust_begin_unwind
1: core::panicking::panic_fmt
2: core::result::unwrap_failed
3: <cheatnet::runtime_extensions::forge_runtime_extension::ForgeExtension as runtime::ExtensionLogic>::handle_cheatcode
4: <runtime::ExtendedRuntime as cairo_vm::hint_processor::hint_processor_definition::HintProcessorLogic>::execute_hint
5: cairo_vm::vm::vm_core::VirtualMachine::step
6: cairo_vm::vm::runners::cairo_runner::CairoRunner::run_until_pc
7: cairo_vm::vm::runners::cairo_runner::CairoRunner::run_from_entrypoint
8: forge_runner::running::run_test_case
9: forge_runner::running::run_fuzz_test::{{closure}}
10: tokio::runtime::task::core::Core<T,S>::poll
11: tokio::runtime::task::harness::Harness<T,S>::poll
12: tokio::runtime::blocking::pool::Inner::run
note: Some details are omitted, run with RUST_BACKTRACE=full for a verbose backtrace.
[ERROR] task 100 panicked with message "a Display implementation returned an error unexpectedly: Error"